LON - YOW

C$ 330 Find Cheap Flights from London to Ottawa – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 811
Typical prices: C$ 1,511-C$ 2,010
Air Transat
Fri 2/10Fri 16/10
LGW - YOW • 2 stops
Cheapest direct flights
C$ 813
Air Transat, Porter Airlines
Fri 2/10Sun 11/10
LGW - YOW • Direct
Advice from real travellers
Lufthansa Premium Economy adds more space and an extra checked bag.
Air Canada offers Wi-Fi on select flights; Heathrow can have long lines.
Expert advice
Expert advice
Expert advice
Expert advice
Direct flights
Every day
You can fly direct with Air Canada and Air Transat. Average duration is 7h 57m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top routes
Cheapest • 29% average savings
Insights
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Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
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Insights
Top layover airports
Cheapest • Avg C$ 836 (round-trip)
Shortest trip • 12h 08m (one-way)
Insights
Insights
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When to book
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 25% compared to booking last minute.
Insights
Insights
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Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
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Good to know
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We hope you love your trip to Ottawa!
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Flight Deals

Cheap Flights from London to Ottawa (LON-YOW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Ottawa

Fri, 2 Oct - Fri, 16 Oct
Air Transat Logo
11:35 a.m. - 10:12 a.m.LGW  London Gatwick-YOW Ottawa
27h 37m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
Air Transat Logo
7:40 p.m. - 7:55 a.m.YOW  Ottawa-LGW London Gatwick
7h 15mdirect
C$ 811Air Transat
Sat, 26 Sep - Sun, 27 Sep
United Airlines Logo
10:25 a.m. - 9:20 p.m.LHR  London Heathrow-YOW Ottawa
15h 55m2 stops Newark Toronto Pearson Intl
United Airlines Logo
2:52 p.m. - 6:55 a.m.YOW  Ottawa-LHR London Heathrow
11h 03m1 stop Washington, D.C. Dulles Intl
C$ 812United Airlines
Fri, 11 Sep - Fri, 18 Sep
Air Canada Logo
2:05 p.m. - 9:52 p.m.LHR  London Heathrow-YOW Ottawa
12h 47m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island
Air Canada Logo
6:05 a.m. - 9:25 p.m.YOW  Ottawa-LHR London Heathrow
10h 20m1 stop Newark
C$ 813Air Canada
Fri, 11 Sep - Fri, 18 Sep
Air Canada Logo
9:30 a.m. - 1:58 p.m.LHR  London Heathrow-YOW Ottawa
9h 28m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:37 a.m. - 6:45 a.m.YOW  Ottawa-LHR London Heathrow
15h 08m1 stop Chicago O'Hare Intl
C$ 813Air Canada
Fri, 2 Oct - Sun, 11 Oct
Multiple Airlines Logo
9:40 a.m. - 12:40 p.m.LGW  London Gatwick-YOW Ottawa
8h 00mdirect
Multiple Airlines Logo
7:40 p.m. - 7:55 a.m.YOW  Ottawa-LGW London Gatwick
7h 15mdirect
C$ 813Multiple Airlines
Wed, 2 Sep - Tue, 29 Sep
Air France Logo
3:20 p.m. - 12:20 a.m.LHR  London Heathrow-YOW Ottawa
14h 00m2 stops Paris Charles de Gaulle Toronto Pearson Intl
Air France Logo
5:25 p.m. - 9:25 p.m.YOW  Ottawa-LHR London Heathrow
23h 00m1 stop Paris Charles de Gaulle
C$ 816Air France
Sun, 20 Sep - Sun, 27 Sep
Air Transat Logo
11:35 a.m. - 5:35 p.m.LGW  London Gatwick-YOW Ottawa
11h 00m1 stop Montreal Pierre Elliott Trudeau Intl
Air Transat Logo
2:15 p.m. - 9:50 a.m.YOW  Ottawa-LGW London Gatwick
14h 35m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 816Air Transat
Wed, 30 Sep - Thu, 1 Oct
Air Transat Logo
12:40 p.m. - 8:00 p.m.LGW  London Gatwick-YOW Ottawa
12h 20m1 stop Toronto Pearson Intl
Air Transat Logo
7:00 a.m. - 10:45 a.m.YOW  Ottawa-LGW London Gatwick
22h 45m1 stop Toronto Pearson Intl
C$ 816Air Transat
Thu, 10 Sep - Mon, 21 Sep
United Airlines Logo
5:55 p.m. - 6:55 p.m.LHR  London Heathrow-YOW Ottawa
30h 00m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl
United Airlines Logo
5:57 p.m. - 4:25 p.m.YOW  Ottawa-LHR London Heathrow
17h 28m2 stops Newark Zurich
C$ 816United Airlines
Sat, 5 Sep - Fri, 18 Sep
Air Transat Logo
12:40 p.m. - 12:25 a.m.LGW  London Gatwick-YOW Ottawa
16h 45m1 stop Toronto Pearson Intl
Air Transat Logo
7:40 p.m. - 7:55 a.m.YOW  Ottawa-LGW London Gatwick
7h 15mdirect
C$ 819Air Transat
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.

How much is a round-trip flight from London to Ottawa?

Flight prices are below average for this route right now.

Flights to Ottawa from London usually cost between C$ 830 and C$ 1,102 in October.
The lowest price found in the past 5 days was C$ 811 on Air Transat (2 Oct–16 Oct).

What is the cheapest London to Ottawa flight route?

The cheapest return flight from London to Ottawa costs C$ 658 on the route between London Gatwick Airport (LGW) and Ottawa (YOW). Over the past month, this route was, on average, 29% cheaper than other London-Ottawa routes. The most popular route is between London Heathrow Airport (LHR) and Ottawa (YOW).

What’s the cheapest day of the week to fly from London to Ottawa?

When flying from London to Ottawa, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to London, you’ll find the best rates on Wednesdays and the most expensive ones on Thursdays.

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

The cheapest month for flights from London to Ottawa is May, where tickets cost C$ 815 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is C$ 1,280 and C$ 1,075 respectively.

Can I save money by flying with a layover from London to Ottawa?

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 764 on average.

How far in advance should I book a flight from London to Ottawa?

To get a below average price on the flight from London to Ottawa, you should book around 3 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Expert advice

Expert advice for your flight from London to Ottawa

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Mark Stachiew

Mark Stachiew

Expert on YOW

Mark Stachiew has been exploring the world and writing about it for more than 30 years. His travel stories have appeared in numerous newspapers, magazines and online publications in Canada, the United States and beyond.

Duncan Madden

Duncan Madden

Expert on LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Good to know

Low season

January

Cheapest flight

C$ 330
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (1% more expensive on average)
Flight from London Stansted Airport 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

FAQs for booking flights from London to Ottawa

  • Can I take a direct flight between London airports and Ottawa Airport?

    Unfortunately you cannot fly directly between these two cities, but there are plenty of indirect routes you can take that only require one stop. You can fly, for example, with WestJet from London Gatwick Airport, which requires a transfer at Toronto Pearson International first. Alternatively, you could fly from Heathrow Airport with Air Canada, which also has a change in Toronto.

  • Can I fast track through security at London airports?

    If you are going to be in a rush at the airport, or should you be travelling at peak times, there is always the option to fast track through security. You need to book at least 24h in advance, and it will cost about £4 at Luton and around £5 at Stansted and Gatwick. For flights from Heathrow, it costs approximately £12.50 to fast track through security.

  • Can I change my currency at London airports?

    Once you have arrived at London airports for your flight, you can use currency exchange bureaus to change your money to Canadian Dollars. If you fly with Air Canada from Heathrow, you will most likely depart from Terminal 2, so you can access the Travelex bureaus and ATMs. From other airports with indirect flights, you can use an International Currency Exchange store or ATM. These are situated prominently in the terminals, so they will be easy to find.

  • How do I get to the city centre from Ottawa Airport?

    It’s easy to get from the airport to the centre as there are many methods of transport to choose from. You can get the Ottawa Airport Bus route 97 from the front of the building. This takes about 30min and costs approx. C$3.30 (£1.90). Alternatively, you could get a taxi from the taxi rank outside the front of the terminal building which takes about 15min and costs around C$29 (£16.75).

  • 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$ 330 for a one-way ticket and C$ 811 for a round-trip.

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

    When flying out of London you will be using one of these airports: London Gatwick, London Heathrow, or London Stansted. You will be landing at Ottawa.

  • Which airlines offer Wi-Fi service onboard planes from London to Ottawa?

    Lufthansa, and Air Canada offer inflight Wi-Fi service on the London to Ottawa flight route.

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

    The Boeing 777-300ER is the aircraft model that flies most regularly on the London to Ottawa flight route.

  • Which airline alliances offer flights from London to Ottawa?

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

  • On which days can I fly direct from London to Ottawa?

    There are direct flights from London to Ottawa on a daily basis.

  • Which is the best airline for flights from London to Ottawa, Air Transat or Air Canada?

    The two airlines most popular with KAYAK users for flights from London to Ottawa are Air Transat and Air Canada. With an average price for the route of C$ 937 and an overall rating of 7.8, Air Transat is the most popular choice. Air Canada is also a great choice for the route, with an average price of C$ 1,070 and an overall rating of 7.1.

  • 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.

KAYAK’s top tips for finding a cheap flight from London to Ottawa

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 542 or less one-way and C$ 1,346 or less round-trip.
  • There are two airports in London that serve the route to Ottawa International Airport (YOW) with one stop. With London Heathrow (LHR) being located so centrally, it makes it very convenient for those travelling on business. Whereas Gatwick is great for those coming from the south of London.
  • Save time on the day of your flight by staying in an airport hotel the night before. If you're flying with Air Canada from Heathrow, then you can opt for a hotel such as Aerotel, which is only a short walk from Terminal 2. At Gatwick you could stay at Hilton, which is also close to the terminal building.
  • From Ottawa Airport, it is easy to continue your journey to nearby cities, such as Cornwall in about 70min and Kingston in about 2h, which makes it a great airport if you are planning to continue your journey to other Canadian cities.
  • Before your flight to Ottawa Airport, you can relax in a peaceful lounge, such as the Aspire Lounges in Heathrow Airport, Gatwick Airport and Luton Airport (LTN), which provide complimentary snacks and Wi-Fi from about £25 per person. The Escape lounge in Stansted (STN) offers similar benefits for about £20. However, there are no lounges at London city Airport.
  • You can call up 48h in advance of your flight to get mobility assistance at London Airports. They will either greet you on arrival or you can locate the assistance reception desks in the check-in zones of the departures hall.

Prefer to fly direct from London to Ottawa?

 
Find which airlines fly direct from London to Ottawa Airport, which days they fly and book direct flights.

Direct departures

London to Ottawa

Monday

Air Canada

Air Canada

Tuesday

Air Transat

Air Transat

Wednesday

Air Canada

Air Canada

Thursday

Air Canada

Air Canada

Friday

Air Transat

Air Transat

Saturday

Air Canada

Air Canada

Sunday

Air Transat

Air Transat

See more nonstop flights

Direct returns

Ottawa to London

Monday

Air Canada

Air Canada

Tuesday

Air Transat

Air Transat

Wednesday

Air Canada

Air Canada

Thursday

Air Canada

Air Canada

Friday

Air Transat

Air Transat

Saturday

Air Canada

Air Canada

Sunday

Air Transat

Air Transat

See more nonstop flights

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

Information on your arrival and departure airports