Find cheap flights from London to Ottawa

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YXU — YOW
1 Jul — 8 Jul1
Return
1 adult
Economy
0 bags
From?
To?
Fri 1/7
Fri 8/7

Good to know

Low season

September

High season

April

Cheapest flight

C$ 382

Average price round-trip

C$ 468

Good deal round-trip

C$ 671

Good deal one-way

C$ 243
Best time to beat the crowds (24% less expensive on average)
Most popular time to fly (19% more expensive on average)
Flight from London to Ottawa
(avg. price over the last 2 weeks)
or less
or less

When to book flights from London to Ottawa

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 243 or less one-way and C$ 671 or less round-trip.
  • The cheapest flight from London to Ottawa was found, on average, 48 days before departure.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be March, April and May. The cheapest month to fly is September.
  • Morning departure is around 34% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking flights from London to Ottawa

Top airlines flying London to Ottawa

Scores according to KAYAK customer reviews
7.7
WestJetOverall score based on 9210 reviews
8.1Boarding
7.7Comfort
8.5Crew
7.0Entertainment
7.1Food
Airline reviews
Cons: "Because of Boeing disaster did not go to Halifax but were sent by Westjet to TO and then on with Air France. Boarding areas in TO are a long way away (lot of walking) and customs in TO is frustrating and takes a long time."
Read more about WestJet
Cons: "Because of Boeing disaster did not go to Halifax but were sent by Westjet to TO and then on with Air France. Boarding areas in TO are a long way away (lot of walking) and customs in TO is frustrating and takes a long time."
Pros: "Pleasant staff"
Cons: "People get shocked from the rush of air soon after they board and close their air knobs overhead. The cabin was filled with lots of new bodies that had different ordour and perfume that it was good to have a strong ventilation but due to the strong air flow... Perhaps tell ppl to keep it open."
Pros: "The food was good and the crew were friendly."
Cons: "We could have used more legroom between the seats."
Pros: "Great crew, very accommodating for a small and short flight"
Cons: "Total rip off. I won't be flying West Jet again if it can be avoided"
Pros: "Yes, the crew was very good."
Cons: "It would have been nice to have coffee on the flight. All they had to offer was a snack and a glass of water."
Pros: "Staff was lazy"
Cons: "Horrible check in Rude Not sure if I’ll fly WestJet Luggage was wet when it arrived Luggage took forever to come to terminal"
Pros: "Crew was great. I was able to watch my favourite CBC shows due to the screen on the seat in front."
Cons: "Nothing really, I paid $500 for the return flight and feel I got fair value for the cost."
Pros: "Amazing crew. Brand new plane."
Cons: "More water and a tv like air Canada"
Pros: "Entertainment was excellent"
Cons: "The airport staff was horrendous."
Pros: "noone booked in the seat beside me allowed for more room."
Cons: "food (ran out of items I wanted) seats are mediocre no entertainment stewardess forgot my cream for the coffee - too busy chatting with another passenger."
Pros: "Yes"
Pros: "Quick, easy, comfortable. No complaints"
Pros: "Easy boarding and checkin."
Cons: "Entertainment doesn't work on laptop - only on phone or tablet. Westjet seating is tight."
Pros: "Friendly crew"
Cons: "That westjet q400 is an awful aircraft with terrible slimline seats"
Pros: "counter staff were friendly, courteous. helpful. Flight staff were friendly."
Cons: "prop- jet was loud & bumpy while on the ground at takeoff"
Pros: "Flight crew remained jovial and pleasant despite the many issues."
Cons: "Mis messaging and changing/non factual information as the flight status changed. I had personal issues ongoing which resulted in a flight change, and having to go back to security multiple times, which would have all been easier if I had been told that I didn't have to run like a mad woman through the airport as the flight was already determined to be significantly delayed. West Jet tried......they just don't see to be able to know anything."
Pros: "The ease of boarding with very nice staff!"
Pros: "The staff are friendly and efficient"
Cons: "The plane is cramped and a noisey propeller model."
Pros: "The friendliness, the options through the app with movies etc"
Cons: "Need more leg room on board"
Pros: "This leg of the travelling was fine. I know I got fleeced on the price of the round trip to go home for a funeral but didn't realize just how bad until my seatmate told me he paid a third of what I did. Note to self: Don't ask the traveller next to you how much they paid for their ticket..."
Cons: "No in flight entertainment unless you download their app, however there was no signs or announcements to warn passengers of this. Flight was delayed and they lost my baggage even though it was a direct flight. Not impressed."
Pros: "I went through customs and then walked via escalators and moving walk ways to b4. It took me almost a hour. I was the last to board I am sure And had to collect my own luggage and take it from one point to another. I am 70. thank god, when I got on the plane I sat in 3a and was offered a free glass of wine. halleluya. I was exhausted Toronto airport is always a nightmare. I travel a lot and will avoid this airport if I can. I do like West jet but Delta /west jet connection means I have to take my bag from one place to another and I walked miles and could have missed my flight. I am tired. I am going to bed"
Pros: "Korean air is very efficient."
Cons: "We had to rent a car to get to Ottawa because West Jet had cancelled all their flights due to weather. All Air Canada flights were operating. We waited in line for 2 hours at the airport for West Jet to tell us that we needed to call them regarding a refund. We called them and were on hold for an hour and 45 minutes. Then we were told we had to call the travel agent...we on hold for 2 hours. We then called Korean air and they told us they couldn’t contact West Jet-no one knew what the value of the flight from Toronto to Ottawa was. We were only provided with a refund of $4 (for the taxes) when it cost us $280 to rent a car to get to Ottawa. I will never book a flight with West Jet again."
Pros: "Very disciplined and hard-working crew did their best to keep everything under control and moving on schedule. Boarding was busy but fairly well organized considering."
Cons: "Flight had an abundance of minors and babies at no fault of anyone, just unfortunate. Lots of crying, screaming, fidgeting and puking. Customers were pretty impatient in the early morning as well which didn't help the situation. Not sure if snacks or refreshments (other than water) we're handed out in a 4.5 hour flight as well."
Pros: "I liked the friendliness of the crew and how accommodating they were of me and of their guests!"
Cons: "There was quite a delay on my flight and I didn’t get an email to let me know there was a delay. Because I happened to go to check in earlier, I happened to noticed the delay. I wasn’t happy about not getting an email. I called West Jet to find out about the delay and it took approximately an hour to speak to someone. When I did, the delay was explained as weather related and the reason for not getting an email was because they hadn’t gotten to it yet I believe. I wasn’t happy with that as a reply. The flight was then delayed again by several minutes. I would have appreciated some form of compensation as I was going to get a lift home from the airport and ended up having to pay for a taxi as I was coming in so late. In all other flights, I know west jet to be quite an accommodating airline. The crew was great, I simply didn’t appreciate how the delay was handled."
Pros: "Got a window seat Good deal on price from kayak"
Cons: "Delayed by 2 hrs Lost my luggage and no word on when it will be returned Never told us about why delayed"
Cons: "Didn't fly on the day I was supposed to fly due to delays. I had to figure out for myself that I wasn't going to make my connection and thus I went back home. We agreed to itinerary for the next day that had a 2+ hour wait at la Guardia and yet I still almost missed the N.Y. to Tampa flight due to delays out of toronto. Had to sprint from one terminal to the other. In Toronto we sat on the tarmac for 90 mins, and this was after dealing with security and other issues with checkin before i even got on the plane. For example, it was difficult to explain that i had already paid for my checked bag the day before. As a result I never got a chance to eat the entire day. And then my bag didn't get to Tampa until later that night anyways. Although the individual staff members were all very nice, there were institutional flaws that made two days very frustrating. I have some sort of debilitating delay on more than half my flights over the last few years, and rarely is there ever an explanation or compensation."
Cons: "It was delayed."
Pros: "Kayak was great to book through. Very simple. Plane ride there was great."
Cons: "Plane ride home wasn't good due to the airplane propellers being louder then usual and noisy, a little unsettling."
Pros: "Friendly people+ great service"
Pros: "It was on time. Quick to board."
Cons: "I’m used to entertainment."
Pros: "Friendly crew"
Cons: "Entertainment selection is lacking."
Pros: "Quick, efficient and funny friendly staff"
Cons: "Delays Boarding: boarding from both doors: back door and front door, but no direction from the crew to anyone. Ended up with passengers trying to get in the front from the back and passengers trying to get to the back from the front. This created another extra 15 minutes delay when everyone were stuck in the middle...The rest of the passengers waited outside in Canadian winter cold. On a flight already late."
Pros: "Short flight"
Cons: "Nothing"
Pros: "I like that I got the plus seat for no extra charge."
Pros: "Flight attendants were polite and helpful."
Cons: "Multiple delays totalling up to 2.5 hours but only updated 15 minutes as it reached the time of take off. Minimal heads up prior"
Pros: "The airline attendants were very friendly"
Pros: "Flight staff"
Cons: "Had to disembark. So left and arrived much later than planned."
Pros: "Crew were all very welcoming and polite"
Cons: "Food and entertainment were pretty pricey."
Cons: "Our flight was delayed. However it was not really within their control."
Cons: "They automatically gave me the window seat"
Pros: "Always on time and arrived early"
Cons: "Better snacks like porter"
Cons: "No entertain system"
Cons: "Same comment as the previous flight ref movies. I wont take Westjet again on a long flight without movie screens. Not all old people have Iphones or laptop computers. Mike C."
Pros: "The gate and air crew were very friendly. Flight right on time."
Cons: "Not much legroom."
Pros: "Great service! Crew was very friendly and happy. Flight was online and landed early"

Food

Cons: "Flight was delayed, crew in general was disorganized, most usb charging ports weren’t working, touchscreen is very outdated"
Cons: "The flight itself was great but it was very late in starting due to technical problems with the aircraft."
Pros: "The on-board crew were great. Super friendly and chatty. Almost a WestJet feel instead of the serious aloofness that AC is known for"
Cons: "The entire HUGE MESS from booking til sitting on our last airplane. The “new reservation” system is a horrible joke. The right hand doesn’t know what the left is doing so you get completely wrong info and they won’t do anything about it. I’m a wheelchair assist and had to call 6 times to remind them to put it on my ticket even though each time I was shown that it had been added. They kept seating on the back row of the plain and blamed me for not calling ahead to “let them know I was wheelchair assist so they could reseat me” BUT...they won’t answer you call unless it’s 24 before your flight and then to check at the airport who then tells us it’s out fault cause we didn’t call more then 36 hrs ahead...YOU CANT CALL THAT FAR AHEAD...and ...get this “they don’t have wheelchair assist on my ticket/file”. I about lost my mind over the hours on hold and every different answer as to what what to do and in the end blamed us. ASTONISHING TO ME. THEN THEY HAVE THE NERVE ON-BOARD TO ANNOUNCE THEY ARE THE BEST AIRLINE IN NORTH AMERICA 2019...HORSE PUCKY!!!"
Pros: "Great flight crew and smooth landing"
Cons: "Pretzels are not a good snack"
Pros: "Nothing good to say for this flights overall."
Cons: "Spent over two hours on the plane/tarmac waiting for take off. Air Canada sucks."
Cons: "Extra rules about headphones are annoying and no beverage options. Horrible terminal that does not let you get a drink before boarding and gate agent did not update boarding when it was late, so no one could venture off and get a drink of water before flight."
Pros: "We didn’t crash."
Cons: "We continue not to crash."
Pros: "On time, smooth flight, good movie choices"
Cons: "Cramped seating"
Pros: "The few were friendly."
Cons: "The food selection was poor."
Pros: "Service counter staff was helpful to confirm seating although I did not like being put on standby. This happens too often with Air Canada."
Cons: "Stop the overbooking!!!!!"
Cons: "The crew was grumpy and unhelpful."
Pros: "nothing"
Cons: "See above - seats worn out, entertainment worn out, Crew battling old tired aircraft. Massively overpriced. Bring on WestJet direct to Ottawa."
Pros: "Food served was excellent"
Cons: "The TV screens are very dark and hard to see"
Pros: "Super easy flight with no hiccups"
Pros: "The seat beside me was vacant, so I had extra room."
Cons: "Flights in the late evening from Toronto to Ottawa always seem to be delayed. We spent a lot of time boarding, and a lot of time de-icing before take off. There would have been plenty of time to serve refreshments during de-icing. But refreshments and dismemberment of ear phones only began once the plane was airborne. There was not enough time to service all the passengers at that point. I'm not sure why Air Canada cannot at least give you ear phones when boarding. And why cannot refreshments be served during de-icing?"
Pros: "First flight comfortable fast clean aircraft Second flight older plane small not as clean"
Cons: "Air canada has a problem at every arrival gate each time we landed there was no sttebdebt st the gate and so we sat on the tarmac fir a while while they awIted somebody to come and drive the Jetway to allow us to park and deplane This happened all three times"
Cons: "Air Canada is just worse and worse"
Pros: "The staff were very friendly."
Cons: "Some of the equipment on the airplane didn't work. TV monitors."
Pros: "Wasn't too late. Plane seemed clean."
Cons: "Seated beside a young child with behavioral problems. Father mostly slept. Child stood on seat and jumped up and down, crawled under seats, threw ipad on my foot repeatedly, spilled his drink all over himself and his seat, screamed whenever his seat belt had to go on or his table top couldn't be down. At one point, the dad lost his temper, swore at the child, and covered him with a blanket in a big screaming match before doing up his seat belt--I was afraid he had smothered him but it had the effect of calming him down. No attendant even tried to intervene apart from asking "can I see your kid's boarding pass?" People should have to disclose when they are travelling with a child with severe behavioural problems and attendants should rescue anyone forced to sit beside one or at least make the parent care for the child. Also, a minimum of crackers or pretzels would be nice with drink on 5-hour flight. The entertainment system wasn't operating correctly and kept having to be reset by crew or reset itself. And, after first class etc. board, why don't they board the people at the back of the plane first, not the ones at the front? It took forever because people in front zones hadn't settled into their seats before people from the back zones tried to board."
Pros: "Pretty routine"
Cons: "Long delay, but weather dictated this."
Pros: "Access to their entertainment (movie, tv) channels was appreciated. I did not have this option on my departing flight which was the same duration."
Cons: "The plane cabin was surprisingly hot when we boarded and for most of the flight, though it did become bearable. Had to struggle to take my jacket off when seated (as did others)."
Pros: "Air Canada you suck. Told us that our flight wouldn't leave before we boarded as the computer system was down country wide. We still stood in like for an hour and hey could have manually checked us in as they did others. We were promised no planes would leave and when we got to the gate our plane was pulling away leaving 10 of us to scramble to find another flight. Customer service argued with me saying no flights were going to Ottawa and my Kayak app told me otherwise. Thanks for making my flight home for a funeral that much more stressful and having my family wait 4 hours risking all of our lives with freezing rain drive home."
Pros: "Entertainment"
Cons: "too hot in cabin missing brewage onboard"
Pros: "I think cost me without needing to go back and forth"
Pros: "Pathetic delay time that was not weather related, they should have had another plane. I will not say that I will never fly Air Canada again just because departure time may leave me no choice but given a choice that suits my travel schedule it will not be them."
Cons: "N/c"
Pros: "Everything, good food, good people, good times"
Pros: "Seats were pretty comfy, snack provided even though the flight was short"
Cons: "Cabin could have been a little cleaner before boarding"
Pros: "good overall...so MUCH BETTER THAN Air Canada rouge service we took from Ottawa to Venice. Rouge service is very poor!!"
Pros: "The pilot and the crew are very proffesional."
Pros: "Air Canada is not a goo Air Lines for customer service."
Cons: "I do not like there customer service policy."
Pros: "Airbus 380"
Pros: "Same as anove"
Cons: "Nothing"
Pros: "Service was poor. Attitude was less than enthusiastic."
Cons: "The staff was really nice. However I was asked to switch seats and a flight attendant spilled water over me. They were very thankful that moved and very apologetic about the water so I feel bad for bashing them, I just think I should have gotten a free snack or something. The rest of the flight was alright."
Cons: "In order to make more money, Air Canada purposefully sits couples, families etc. who book together separately, in order to try to get them to buy upgraded seats together."
Pros: "Entertainment system did not work"
Cons: "Crew provided a card to contact air Canada for compensation"
Pros: "Leg room adequite."
Cons: "Only beverages served, there wasn't the usual snack."
Pros: "Seat availability (lots of empty seats) Entertainment system had lots of movies & music Friendly flight attendants"
Cons: "Flight attendants could be more aware of his/her surroundings. For example, I was either stepped on (as a result, being woken up) or my backpack was stepped on several times when an attendant was walking down the aisle, and neither of those things were sticking out into the aisle. This has rarely happened to me on trans-Pacific flights (more crowded, longer flights) so I can only attribute it to the carelessness of the attendants and/or the aisle width but since I think aisle width follows international standards it's more likely the former."
Pros: "It was great"
Cons: "My "window" seat was beside a wall. So i actually didn't even have a wi dow seat, not really."
Pros: "They were able to put me on standby for the next flight and I made it on. I would have been upset if had to wait for the last flight at 10:55pm. I understand this is not always in the airports control."
Cons: "My flight from Montreal to Ottawa was canceled and I almost had a panic attack. I was flying alone for the first time."
Pros: "I arrived early and was able to change my flight to an earlier one."
Cons: "The air hostess/stewardess was surly...and looked like she hadn't slept.."
Pros: "We left and arrived early, the seat was surprisingly comfortable (it helped that there were lots of empty seats, including next to me), my full-size carry-on fit easily in the overhead bin, despite it being a small plane, the in-flight entertainment was always on and pretty good... everything went well."
Cons: "Only the things I've grown to expect on any domestic service (e.g., no food)."
Pros: "Great service on a quick flight"
Cons: "There was no access to movies."
Pros: "I like the comfort of the seats and how fast the boarding and take off was."
Cons: "I did not like that I was not offered peanuts during my flight. The last time they offered free peanuts"
Pros: "The fact that I was rebooked immediately to my new flight AC-DC 705 at 8:50 am by two wonderful ladies at La guardia airport who comforted then boarded me unto a flight due to the fact that I missed my original flight. This occured due to the Airport being Unorganized! As I had checked in well before 3 hours and was on time for my original flight at 8:30 am."
Cons: "The airport was extremely packed, Unorganized and not well staffed. What I hated is that when I arrived at my original gate A7 the gentleman who boarded my original flight was unprofessional, rude, basically ignored me and said "You missed your flight !" Not even taking the time to listen to my situation or guide me in my next steps of acquiring a new flight to go to my classes and home in Toronto!"
Pros: "Everything but the size of the in-flight seats"
Cons: "Seats way too small and uncomfortable."
Pros: "the short flight"
Cons: "the comfort and location of seats ran around for days acquiring a doctors note for easy access seating. grateful for the refund but would've rather paid and actually been accommodated."

Book cheap flights from London to Ottawa

Recent round-trip flight deals

23/9Fri
2 stopsAir Canada
4h 53mYXU-YOW
25/9Sun
2 stopsAir Canada
5h 43mYOW-YXU
C$ 569
30/9Fri
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2h 52mYXU-YOW
2/10Sun
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5h 48mYOW-YXU
C$ 619
30/9Fri
1 stopWestJet
4h 08mYXU-YOW
2/10Sun
1 stopWestJet
3h 15mYOW-YXU
C$ 653
5/8Fri
1 stopWestJet
2h 39mYXU-YOW
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1 stopWestJet
3h 15mYOW-YXU
C$ 655
30/9Fri
2 stopsAir Canada
4h 53mYXU-YOW
2/10Sun
2 stopsAir Canada
5h 43mYOW-YXU
C$ 668
23/7Sat
1 stopWestJet
3h 52mYXU-YOW
27/7Wed
1 stopWestJet
5h 31mYOW-YXU
C$ 679
30/9Fri
2 stopsAir Canada
4h 53mYXU-YOW
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4h 28mYOW-YXU
C$ 715
28/8Sun
1 stopWestJet
4h 07mYXU-YOW
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5h 25mYOW-YXU
C$ 731
5/8Fri
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C$ 735
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C$ 787
28/8Sun
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4h 07mYXU-YOW
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C$ 791
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C$ 792
21/7Thu
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C$ 796
28/8Sun
2 stopsAir Canada
4h 53mYXU-YOW
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C$ 800
21/7Thu
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13h 43mYXU-YOW
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C$ 827
22/7Fri
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C$ 830
12/7Tue
1 stopAir Canada
3h 45mYXU-YOW
19/7Tue
1 stopAir Canada
2h 47mYOW-YXU
C$ 860

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2 stopsAir Canada
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25/9Sun
2 stopsAir Canada
5h 43mYOW-YXU
C$ 569
30/9Fri
1 stopAir Canada
2h 52mYXU-YOW
2/10Sun
1 stopAir Canada
5h 48mYOW-YXU
C$ 619
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1 stopWestJet
3h 15mYOW-YXU
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1 stopWestJet
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C$ 655
30/9Fri
2 stopsAir Canada
4h 53mYXU-YOW
2/10Sun
2 stopsAir Canada
5h 43mYOW-YXU
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23/7Sat
1 stopWestJet
3h 52mYXU-YOW
27/7Wed
1 stopWestJet
5h 31mYOW-YXU
C$ 679
30/9Fri
2 stopsAir Canada
4h 53mYXU-YOW
2/10Sun
2 stopsAir Canada
4h 28mYOW-YXU
C$ 715
28/8Sun
1 stopWestJet
4h 07mYXU-YOW
30/8Tue
1 stopWestJet
5h 25mYOW-YXU
C$ 731
5/8Fri
1 stopMultiple Airlines
2h 39mYXU-YOW
7/8Sun
2 stopsMultiple Airlines
5h 33mYOW-YXU
C$ 735
22/7Fri
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4h 07mYXU-YOW
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5h 25mYOW-YXU
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2 stopsMultiple Airlines
5h 32mYOW-YXU
C$ 785
21/7Thu
1 stopAir Canada
4h 00mYXU-YOW
24/7Sun
1 stopAir Canada
4h 37mYOW-YXU
C$ 787
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30/8Tue
2 stopsMultiple Airlines
5h 32mYOW-YXU
C$ 791
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4h 53mYXU-YOW
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2 stopsAir Canada
5h 33mYOW-YXU
C$ 792
21/7Thu
1 stopMultiple Airlines
2h 39mYXU-YOW
24/7Sun
1 stopMultiple Airlines
2h 37mYOW-YXU
C$ 796
28/8Sun
2 stopsAir Canada
4h 53mYXU-YOW
30/8Tue
2 stopsAir Canada
5h 32mYOW-YXU
C$ 800
21/7Thu
1 stopMultiple Airlines
2h 39mYXU-YOW
24/7Sun
2 stopsMultiple Airlines
5h 32mYOW-YXU
C$ 820
21/7Thu
2 stopsAir Canada
13h 43mYXU-YOW
24/7Sun
2 stopsAir Canada
5h 32mYOW-YXU
C$ 827
22/7Fri
1 stopMultiple Airlines
4h 07mYXU-YOW
25/7Mon
2 stopsMultiple Airlines
5h 32mYOW-YXU
C$ 830
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1 stopAir Canada
3h 45mYXU-YOW
19/7Tue
1 stopAir Canada
2h 47mYOW-YXU
C$ 860

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London - Ottawa Flights

Departure:

London (YXU)Canada

Destination:

Ottawa (YOW)Canada

Return flight deals:

Ottawa - London

Cabin classes:

C$ 289

Browse origins:

C$ 646

Browse destinations:

C$ 646