YXU - YOW

C$ 207 Find Cheap Flights from London to Ottawa – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Ottawa departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 448
Typical prices: C$ 836-C$ 1,322
WestJet
Fri 28/8Mon 31/8
YXU - YOW • 2 stops
Cheapest one-way flights
C$ 207
WestJet
Fri 21/8
YXU - YOW • 1 stop
Direct flights
Not available
There are currently no direct flights between London and Ottawa. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Calgary (YYC)
Cheapest • Avg C$ 815 (round-trip)
Toronto (YYZ)
Shortest trip • 3h 15m (one-way)
Insights
Insights
Insights
Insights
When to travel
July
Cheapest • 100% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Ottawa!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to Ottawa (YXU-YOW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Ottawa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Ottawa

Fri, 28 Aug - Mon, 31 Aug
WestJet Logo
2:40 p.m. - 12:20 a.m.
YXU
-
YOW
9h 40m
2 stops
WestJet Logo
6:25 p.m. - 1:50 p.m.
YOW
-
YXU
19h 25m
2 stops
C$ 448WestJet
Sun, 16 Aug - Mon, 17 Aug
WestJet Logo
2:40 p.m. - 12:20 a.m.
YXU
-
YOW
9h 40m
2 stops
WestJet Logo
12:25 p.m. - 1:50 p.m.
YOW
-
YXU
25h 25m
1 stop
C$ 449WestJet
Fri, 28 Aug - Mon, 31 Aug
WestJet Logo
2:40 p.m. - 12:20 a.m.
YXU
-
YOW
9h 40m
2 stops
WestJet Logo
12:25 p.m. - 1:50 p.m.
YOW
-
YXU
25h 25m
1 stop
C$ 452WestJet
Fri, 21 Aug - Fri, 28 Aug
WestJet Logo
2:40 p.m. - 12:20 a.m.
YXU
-
YOW
9h 40m
2 stops
WestJet Logo
8:15 p.m. - 5:20 a.m.
YOW
-
YXU
9h 05m
1 stop
C$ 469WestJet
Fri, 28 Aug - Mon, 31 Aug
WestJet Logo
2:40 p.m. - 11:35 a.m.
YXU
-
YOW
20h 55m
1 stop
WestJet Logo
12:25 p.m. - 1:50 p.m.
YOW
-
YXU
25h 25m
1 stop
C$ 469WestJet
Sun, 16 Aug - Mon, 17 Aug
Multiple Airlines Logo
2:40 p.m. - 11:35 a.m.
YXU
-
YOW
20h 55m
1 stop
Multiple Airlines Logo
4:10 p.m. - 1:50 p.m.
YOW
-
YXU
21h 40m
1 stop
C$ 472Multiple Airlines
Sun, 16 Aug - Mon, 17 Aug
Multiple Airlines Logo
2:40 p.m. - 12:20 a.m.
YXU
-
YOW
9h 40m
2 stops
Multiple Airlines Logo
4:10 p.m. - 1:50 p.m.
YOW
-
YXU
21h 40m
1 stop
C$ 476Multiple Airlines
Fri, 28 Aug - Mon, 31 Aug
WestJet Logo
2:40 p.m. - 12:20 a.m.
YXU
-
YOW
9h 40m
2 stops
WestJet Logo
12:25 p.m. - 1:50 p.m.
YOW
-
YXU
25h 25m
1 stop
C$ 476WestJet
Wed, 20 Jan - Wed, 27 Jan
Air Canada Logo
9:15 a.m. - 1:10 p.m.
YXU
-
YOW
3h 55m
1 stop
Air Canada Logo
10:05 a.m. - 2:42 p.m.
YOW
-
YXU
4h 37m
1 stop
C$ 789Air Canada
Wed, 20 Jan - Wed, 27 Jan
Air Canada Logo
9:15 a.m. - 1:10 p.m.
YXU
-
YOW
3h 55m
1 stop
Air Canada Logo
10:05 a.m. - 2:42 p.m.
YOW
-
YXU
4h 37m
1 stop
C$ 790Air Canada
Booking Insights

KAYAK's insights & trends for London to Ottawa flights

Get data-powered insights and trends into flights from London to Ottawa to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from London to Ottawa?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Ottawa, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to Ottawa is July, where tickets cost C$ 0 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is C$ 1,423 and C$ 1,206 respectively.

Find deals

Good to know

Low season

February

Cheapest flight

C$ 207
Best time to beat the crowds (36% less expensive on average)
Most popular time to fly and prices are also 25% lower on average.
Flight from London to Ottawa

When to book flights from London to Ottawa

Are your dates flexible? Find out the best times to travel from London to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Ottawa

  • What is the cheapest flight from London to Ottawa?

    In the last 5 days, the lowest price for a flight from London to Ottawa was C$ 207 for a one-way ticket and C$ 448 for a round-trip.

  • Which airports will I be using when flying from London to Ottawa?

    London airport is called London and the only airport in Ottawa is Ottawa.

  • Which aircraft models fly most regularly from London to Ottawa?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London to Ottawa?

    Star Alliance is the only airline alliance operating flights between London and Ottawa.

  • How does KAYAK find such low prices on flights from London to Ottawa?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ottawa.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ottawa?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Ottawa?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ottawa?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from London to Ottawa

 
See real verified KAYAK customer reviews for airlines flying from London to Ottawa. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from London to Ottawa? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Air CanadaOverall score based on 11392 reviews
6.3Food
7.8Crew
7.3Boarding
6.8Entertainment
7.1Comfort
Airline reviews

Delayed by 5+ hours and they give a voucher for only $20 CAD which isn’t even redeemable at any place with edible food. Then took almost an hour to clean craft after it landed. And nonsensical boarding delayed even further. We didn’t leave until 1:30am….

2.0 MediocreAnonymous, Mar 2026
YYZ - YOW
Read more Air Canada reviews

Delayed by 5+ hours and they give a voucher for only $20 CAD which isn’t even redeemable at any place with edible food. Then took almost an hour to clean craft after it landed. And nonsensical boarding delayed even further. We didn’t leave until 1:30am….

I travelled in Business class for the first time and wish I could do that again.

Too many delays. Seats too small. A budget airline. Will never fly Air Canada again.

Horrible, we were on a little DeHaviland 400 that was really small and shaky. I am 5' 4" and I had to duck my head to get in it felt like an old war plane.

During the pre-departure safety briefing, the flight attendants rushed through the mandatory safety announcements in both official languages, making it difficult for passengers to clearly understand the instructions. Given the importance of these messages for passenger safety, this lack of clarity was concerning. Perhaps use a recoded message to alleviate this concern. Additionally, the flight attendants appeared to lack the professional attentiveness typically expected during a flight. Rather than focusing on timely and courteous service, they seemed more engaged in personal conversations than in addressing the needs of passengers. I hope this feedback is taken constructively and helps in maintaining the high standards of professionalism and care that travelers expect from a national carrier: AC.

Some help when I asked but everything was so confusing to figure out otherwise. More clarity to direct through procedures needed!

It was awful. For a 37 minute flight time,we had 1:30 hours delay. If someone had a connection flight he or she couldn’t reach for sure. The only positive point was online check in.

It went well until they lost my baggage in Toronto. Bagging tracking stopped after my bag was unloaded in Toronto. My bag tag has been inactive since. I had over a 2 hour layover and there is no excuse for lost baggage with that time frame and only after one flight

The flight was on time, staff were professional and friendly. It was a great traveling experience overall. Thank you!

We were “bumped” from our rebooked flight after having a boarding pass and seat assigned. No explanation except that the Air Canada Service rep said that they “f’d up”. This is after a previous 5 hour delay in Amsterdam.

Everything you need to know for your flight from London to Ottawa

Information on your arrival and departure airports

London (YXU)
Ottawa (YOW)