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LON - YOW

$665 Find cheap flights from London to Ottawa

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Ottawa departing on 5/29. 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
0 bags
Fri 5/31
Fri 6/7

Search hundreds of travel sites at once for deals on flights to Ottawa

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ottawa, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ottawa, as well as popular online travel agencies
In the last 7 days travelers have searched 43,740,974 times on KAYAK, and here is why:

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Cheap flight deals from London to Ottawa (LON-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 and deals for you by selecting your travel dates.
Choose your dates
11:35 am - 12:28 amLGW-YOW
17h 53m2 stops
7:20 am - 10:45 amYOW-LGW
22h 25m1 stop
$665Air Transat
Find Deal
Wed, May 29 - Wed, Jun 5
12:40 pm - 10:58 amLGW-YOW
27h 18m1 stop
7:55 pm - 10:45 amYOW-LGW
9h 50m1 stop
$695Air Transat
Find Deal
Wed, May 29 - Wed, Jun 5
6:15 am - 2:50 pmLHR-YOW
13h 35m1 stop
5:00 pm - 1:50 pmYOW-LHR
15h 50m2 stops
Mon, Jun 10 - Mon, Jun 17
2:05 pm - 8:42 amLHR-YOW
23h 37m1 stop
7:00 am - 9:00 pmYOW-LHR
9h 00m1 stop
$760Air Canada
Find Deal
Wed, May 29 - Wed, Jun 5
6:30 am - 2:50 pmLHR-YOW
13h 20m2 stops
5:00 pm - 1:50 pmYOW-LHR
15h 50m2 stops
$784KLM
Find Deal
Mon, Jun 10 - Mon, Jun 17
6:40 pm - 8:12 pmLHR-YOW
30h 32m2 stops
8:10 am - 9:30 pmYOW-LHR
32h 20m2 stops
$786SWISS
Find Deal
Wed, May 29 - Wed, Jun 5
6:30 am - 2:50 pmLHR-YOW
13h 20m2 stops
5:00 pm - 10:45 amYOW-LHR
12h 45m2 stops
$793KLM
Find Deal
Mon, Jun 10 - Thu, Jun 20
8:05 pm - 8:12 pmLHR-YOW
29h 07m2 stops
8:10 am - 6:30 pmYOW-LHR
29h 20m2 stops
$814SWISS
Find Deal
Wed, May 29 - Wed, Jun 5
11:00 am - 6:44 pmLGW-YOW
12h 44m1 stop
8:50 pm - 7:50 amYOW-LGW
30h 00m2 stops
Sat, Jun 8 - Sat, Jun 8
9:30 am - 1:57 pmLHR-YOW
9h 27m1 stop
6:40 pm - 10:00 amYOW-LHR
10h 20m1 stop
$4,615Air Canada
Find Deal
Wed, May 29 - Wed, Jun 5

Flights from London to Ottawa - Travel Insights & Trends

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

The average price of all flights from London to Ottawa clicked on KAYAK for each day over the last 12 months.
When flying from London to Ottawa, you should consider leaving on a Saturday and avoid Fridays if you are looking for the best rates. For your return to London, you’ll find the best rates on Sundays and the most expensive ones on Fridays.

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 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 February, where tickets cost $659 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is $1,023 and $1,017 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London to Ottawa, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London to Ottawa, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 71 days before departure.

Which airlines provide the cheapest flights from London to Ottawa?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting London to Ottawa were found on Air Transat ($665) and Air Canada ($760). Virgin Atlantic proposed the cheapest one-way flight at $1,155.

Good to know

Low season

January

High season

July
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 32% increase in price.

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

  • 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 3 days, the lowest price for a flight from London to Ottawa was $1,155 for a one-way ticket and $665 for a round-trip.

  • Do I need a passport to fly between London and Ottawa?

    Yes, you'll most likely have to show a valid passport before boarding the plane in London and on arrival in 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?

    SkyTeam, and Star Alliance are the airline alliances operating flights between London and Ottawa, with Star Alliance being the most commonly used for this route.

  • 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.

See more FAQs

Top tips for finding a cheap flight from London to Ottawa

  • 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.
See more tips

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.
7.0
Air CanadaOverall score based on 6888 reviews
7.2Boarding
7.0Comfort
6.2Food
6.8Entertainment
7.8Crew
Airline reviews

Very good other than we have to wait for one crew and we’re delayed and the pilot and his co- pilot has to make a difference to be right on time arrival. Disappointed about no food service also.

6.0 GoodElizabeth, May 2024SFO - YYZ
Read more about Air Canada reviews

Very good other than we have to wait for one crew and we’re delayed and the pilot and his co- pilot has to make a difference to be right on time arrival. Disappointed about no food service also.

I had written all my complaints on my trip from Grand Junction to Denver so I will repeat it here! I was absolutely appalled that I had to pay for a regular seat that I choose 24 hrs before boarding! Also I checked my large bag which I had to pay for as well, and by the time I boarded all the room in the bins were gone so also had to check that one. I noticed people pulling out oversized suitcases, bigger than the measurements stated for carry on, and also large pack packs stuffed full! So these people were taking up 2 or 3 spaces that the rest of us should have been able to use but couldn’t! NoTV on the flight! Thankfully I had downloaded the United Airlines app and was able to watch movies on my phone. Don’t remember the last time I flew in a plane with no movie screens!

The crew was friendly, the seats are too small. Air travel is barely tolerable anymore.

Not much food available, not able to choose seats to be near each other, tv did not work

Food was icecold or frozen including breakfast. Hopeless service. Rude crew.

Catering strike impacted food service. Snacks & water were available. Gate staff did advise "if you want food on the plane you will need to bring it aboard". Entertainment system not available on this flight. Boarding was early. Departure was early & arrival was early.

The flight was very uncomfortable and there was no snacks served for the 13 hours international flight. In addition, the flight was delayed 3 hours

Due to a strike taking place with the airline, it negatively impacted my flight in multiple ways. My flight was delayed over 2 hours and the food served was mediocre at best.

Delays upon delays. Food was gross. Separated me and my spouse is the seating I heard others complaining they weren't sat with their loved ones either.

Cabin crew were great. Seats are criminal for tall people

Book cheap flights from London to Ottawa

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Ottawa found on KAYAK in the last 72 hours.
7/7Sun
1 stopVirgin Atlantic
13h 35mLHR-YOW
$1,155
5/9Thu
3 stopsScandinavian Airlines
26h 12mLHR-YOW
$1,992

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Last minute flights from London to Ottawa

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Ottawa that are departing in the next 10 days.
5/6Mon
multi-stopAir Transat
16h 48mLGW-YOW
10/20Sun
multi-stopAir Transat
12h 20mYOW-LGW
$617
5/6Mon
multi-stopAir Transat
16h 48mLGW-YOW
10/20Sun
multi-stopAir Transat
15h 10mYOW-LGW
$618
5/6Mon
multi-stopSWISS
32h 55mLHR-YOW
10/20Sun
multi-stopSWISS
32h 15mYOW-LHR
$890
5/6Mon
multi-stopSWISS
31h 07mLHR-YOW
10/20Sun
multi-stopSWISS
42h 15mYOW-LHR
$893
5/6Mon
multi-stopAustrian Airlines
34h 02mLHR-YOW
10/20Sun
multi-stopAustrian Airlines
43h 00mYOW-LHR
$901
5/2Thu
multi-stopSWISS
19h 12mLHR-YOW
5/9Thu
multi-stopSWISS
30h 15mYOW-LHR
$923
5/6Mon
multi-stop
18h 17mLGW-YOW
10/20Sun
multi-stop
22h 55mYOW-LGW
$927
5/2Thu
multi-stopAustrian Airlines
17h 17mLHR-YOW
5/5Sun
multi-stopAustrian Airlines
36h 20mYOW-LHR
$1,026
5/3Fri
multi-stop
14h 00mLHR-YOW
5/6Mon
multi-stop
13h 35mYOW-LHR
$1,044
5/2Thu
multi-stopLufthansa
18h 17mLGW-YOW
5/5Sun
multi-stopLufthansa
15h 30mYOW-LGW
$1,328

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Flights to Ottawa

Destination:

Ottawa (YOW)Canada

Cabin classes:

Browse origins:

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  • London

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