Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Ottawa from £266

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Ottawa departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from London to Ottawa

Cheap return flights

These are some of the best return flight deals from London to Ottawa that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Ottawa.

Cheap last-minute flights

Planning a quick getaway from London to Ottawa? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ottawa, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Ottawa

Find recent return train or bus tickets from London to Ottawa.

All return flight deals from London to Ottawa

The cheapest plane tickets from London to Ottawa found on KAYAK recently.
13:25 - 14:39LHR-YOW
30h 14m1 stop
05:45 - 07:10YOW-LHR
20h 25m1 stop
£327Air Canada
Find Deal
Sat, 1 Feb - Mon, 3 Feb
13:25 - 14:39LHR-YOW
30h 14m1 stop
10:30 - 07:10YOW-LHR
15h 40m2 stops
£355Air Canada
Find Deal
Sat, 1 Feb - Mon, 3 Feb
06:20 - 15:10LHR-YOW
13h 50m1 stop
17:20 - 18:20YOW-LHR
20h 00m1 stop
£390Air France
Find Deal
Tue, 18 Feb - Tue, 25 Feb
06:20 - 15:10LHR-YOW
13h 50m1 stop
17:20 - 13:45YOW-LHR
15h 25m1 stop
£400Air France
Find Deal
Tue, 18 Feb - Tue, 25 Feb
06:20 - 15:10LHR-YOW
13h 50m1 stop
17:20 - 16:35YOW-LHR
18h 15m1 stop
£409Virgin Atlantic
Find Deal
Tue, 11 Feb - Sun, 16 Feb
06:20 - 15:10LHR-YOW
13h 50m1 stop
17:20 - 13:45YOW-LHR
15h 25m1 stop
£410Virgin Atlantic
Find Deal
Mon, 3 Feb - Mon, 10 Feb
12:40 - 08:06LGW-YOW
24h 26m1 stop
14:25 - 10:45YOW-LGW
15h 20m1 stop
£463Air Transat
Find Deal
Sat, 3 May - Fri, 9 May
11:40 - 15:12LGW-YOW
32h 32m1 stop
06:25 - 09:45YOW-LGW
23h 20m1 stop
£470Air Transat
Find Deal
Sun, 2 Mar - Sun, 9 Mar
15:00 - 09:42LHR-YOW
23h 42m1 stop
12:45 - 20:35YOW-LHR
26h 50m1 stop
£485Lufthansa
Find Deal
Sat, 15 Feb - Sat, 22 Feb
18:00 - 01:34LHR-YOW
12h 34m2 stops
11:05 - 06:30YOW-LHR
14h 25m1 stop
£511Lufthansa
Find Deal
Sat, 10 May - Sat, 17 May
22:00 - 08:06LHR-YOW
39h 06m2 stops
Sun, 1 Jun
14:10 - 20:47LHR-YOW
59h 37m3 stops
Wed, 5 Feb
16:20 - 00:09LGW-YOW
36h 49m2 stops
Tue, 25 Feb
17:20 - 00:09STN-YOW
35h 49m2 stops
Tue, 25 Feb
12:40 - 08:17LGW-YOW
24h 37m1 stop
£412Air Transat
Find Deal
Sat, 26 Apr
11:40 - 00:40LGW-YOW
18h 00m1 stop
£429Air Transat
Find Deal
Sat, 1 Feb
15:00 - 22:08LHR-YOW
11h 08m1 stop
£577Lufthansa
Find Deal
Mon, 24 Mar
11:10 - 18:12LHR-YOW
12h 02m1 stop
£583Lufthansa
Find Deal
Tue, 25 Feb
15:50 - 21:34LHR-YOW
10h 44m1 stop
£591Air Canada
Find Deal
Sat, 26 Apr
08:40 - 00:09LCY-YOW
20h 29m2 stops
£887KLM
Find Deal
Sat, 26 Apr
06:20 - 15:10LHR-YOW
13h 50m1 stop
17:20 - 13:45YOW-LHR
15h 25m1 stop
£409Air France
Find Deal
Mon, 20 Jan - Sun, 26 Jan
06:20 - 15:10LHR-YOW
13h 50m1 stop
17:20 - 18:20YOW-LHR
20h 00m1 stop
£410Virgin Atlantic
Find Deal
Mon, 20 Jan - Sun, 26 Jan
11:30 - 15:10LHR-YOW
32h 40m1 stop
05:55 - 06:50YOW-LHR
19h 55m2 stops
Wed, 22 Jan - Wed, 29 Jan
06:30 - 15:10LHR-YOW
13h 40m2 stops
17:20 - 18:20YOW-LHR
20h 00m1 stop
Mon, 20 Jan - Sun, 26 Jan
06:30 - 15:10LHR-YOW
13h 40m2 stops
17:20 - 13:50YOW-LHR
15h 30m2 stops
£446KLM
Find Deal
Mon, 20 Jan - Sun, 26 Jan
12:20 - 00:10LHR-YOW
16h 50m2 stops
05:55 - 06:55YOW-LHR
20h 00m2 stops
£449KLM
Find Deal
Wed, 22 Jan - Wed, 29 Jan
11:40 - 15:10LGW-YOW
32h 30m1 stop
06:20 - 09:45YOW-LGW
22h 25m1 stop
£469Air Transat
Find Deal
Wed, 22 Jan - Wed, 29 Jan
11:40 - 08:15LGW-YOW
25h 35m1 stop
08:00 - 09:45YOW-LGW
20h 45m1 stop
£473Air Transat
Find Deal
Wed, 22 Jan - Wed, 29 Jan
15:00 - 09:42LHR-YOW
23h 42m1 stop
15:11 - 06:20YOW-LHR
10h 09m1 stop
£3,149Air Canada
Find Deal
Wed, 22 Jan - Wed, 29 Jan
18:15 - 17:22LCY-YOW
28h 07m2 stops
18:10 - 17:40YOW-LCY
18h 30m2 stops
£6,189Lufthansa
Find Deal
Wed, 22 Jan - Wed, 29 Jan
12:40 - 15:10LHR-YOW
7h 30mdirect
21:00 - 08:35YOW-LHR
6h 35mdirect
£550Lufthansa
Find Deal
Wed, 7 May - Wed, 21 May
14:05 - 16:25LHR-YOW
7h 20mdirect
19:00 - 06:35YOW-LHR
6h 35mdirect
£557Lufthansa
Find Deal
Mon, 5 May - Thu, 22 May
12:40 - 15:10LHR-YOW
7h 30mdirect
19:00 - 06:35YOW-LHR
6h 35mdirect
£575Air Canada
Find Deal
Wed, 7 May - Mon, 19 May
14:05 - 16:25LHR-YOW
7h 20mdirect
19:00 - 06:35YOW-LHR
6h 35mdirect
£587Lufthansa
Find Deal
Thu, 8 May - Thu, 22 May
12:40 - 15:00LHR-YOW
7h 20mdirect
21:00 - 08:35YOW-LHR
6h 35mdirect
£606Lufthansa
Find Deal
Wed, 4 Jun - Wed, 18 Jun
14:05 - 16:25LHR-YOW
7h 20mdirect
21:00 - 08:35YOW-LHR
6h 35mdirect
£613Lufthansa
Find Deal
Mon, 5 May - Sat, 24 May
14:05 - 16:25LHR-YOW
7h 20mdirect
21:00 - 08:35YOW-LHR
6h 35mdirect
Thu, 8 May - Wed, 21 May
12:40 - 15:00LHR-YOW
7h 20mdirect
18:55 - 06:30YOW-LHR
6h 35mdirect
£637Lufthansa
Find Deal
Wed, 4 Jun - Thu, 19 Jun
14:05 - 16:25LHR-YOW
7h 20mdirect
21:00 - 08:35YOW-LHR
6h 35mdirect
£642Lufthansa
Find Deal
Thu, 8 May - Sat, 24 May
12:40 - 15:00LHR-YOW
7h 20mdirect
21:00 - 08:35YOW-LHR
6h 35mdirect
£660Air Canada
Find Deal
Sat, 10 May - Sat, 24 May

Virgin Atlantic flights from London to Ottawa

Our best Virgin Atlantic deals on London to Ottawa flight tickets
Virgin Atlantic
11 Feb
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
16 Feb
YOW17:20Ottawa
18h 15m
1 stop
LHR16:35London Heathrow
Virgin Atlantic
3 Feb
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
10 Feb
YOW17:20Ottawa
15h 25m
1 stop
LHR13:45London Heathrow
Virgin Atlantic
18 Feb
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
25 Feb
YOW17:20Ottawa
15h 25m
1 stop
LHR13:45London Heathrow

Lufthansa flights from London to Ottawa

Our best Lufthansa deals on London to Ottawa flight tickets
Lufthansa
15 Feb
LHR15:00London Heathrow
23h 42m
1 stop
YOW09:42Ottawa
22 Feb
YOW12:45Ottawa
26h 50m
1 stop
LHR20:35London Heathrow
Lufthansa
10 May
LHR18:00London Heathrow
12h 34m
2 stops
YOW01:34Ottawa
17 May
YOW11:05Ottawa
14h 25m
1 stop
LHR06:30London Heathrow
Lufthansa
3 May
LHR18:00London Heathrow
12h 34m
2 stops
YOW01:34Ottawa
9 May
YOW08:55Ottawa
16h 35m
1 stop
LHR06:30London Heathrow

See travel insights to Ottawa from

How to get the cheapest flight ticket from London to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Ottawa?

What is the cheapest month to fly to Ottawa?

In general, February is the cheapest month to fly from London to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £511. If you aren’t able to travel during the month of February, then book flights to Ottawa from London during January instead. Flights to Ottawa in January, while not as cheap as those in February, still average around £520.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart on your flight to Ottawa is on a Tuesday when prices can be found for as low as £596. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £701. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

What is the cheapest time of day to depart on your flight to Ottawa?

Flying to Ottawa from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £525 when looking at flights departing in the evening. At midday is when there is more demand to fly to Ottawa, so prices are often more expensive at around £638 per ticket.

What is the cheapest London to Ottawa flight route?

Fly from London Heathrow to Ottawa for the best London - Ottawa flight prices

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

You are more likely to see cheaper flights to Ottawa from London when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around £639 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from London for as low as £550 on momondo.

What cabin class options are available on London to Ottawa flights?

There are 2 cabin classes available to choose from on London to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Ottawa flight prices changed over time?

As of January 2025, prices for London to Ottawa flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from London to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from London to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Ottawa (LON to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Ottawa

Best price found

£266

Fastest flight time

7h 20m

Direct flights

Tue, Thu, Fri and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from London in the past 72 hours is £266. The best return flight deal from London to Ottawa found on momondo in the last 72 hours is £327.
The fastest flight from London to Ottawa takes 7h 20m
Direct flights go from London to Ottawa on Tuesday, Thursday, Friday and Sunday. Airlines offering direct flights are: Lufthansa and Air Canada..
There is 1 airport near Ottawa: Ottawa (YOW)

  • How far is London to Ottawa by plane?

    The straight-line distance from London to Ottawa is 3329.4 mi. In terms of flight time, this usually takes a little over 7h 20m.

  • When did momondo last update prices for flights from London to Ottawa Airport?

    Prices for flights from London to Ottawa Airport are updated daily.

  • How many operators does momondo search for flights from London to Ottawa Airport?

  • How old do you have to be to fly from London to Ottawa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Ottawa?

  • What is the most popular airline from London to Ottawa?


Best airlines flying from London to Ottawa

Compare and see reviews for airlines that fly from London to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £406Free CancellationRating
7.4
1,487 reviews
Search Air France flights
Virgin AtlanticPriceFrom £414Free CancellationRating
7.5
664 reviews
Search Virgin Atlantic flights
KLMPriceFrom £418Free CancellationRating
7.8
1,339 reviews
Search KLM flights
Air TransatPriceFrom £465Free CancellationRating
7.8
381 reviews
Search Air Transat flights
LufthansaPriceFrom £509Free CancellationRating
6.7
7,094 reviews
Search Lufthansa flights
Air CanadaPriceFrom £525Free CancellationRating
7.0
8,593 reviews
Search Air Canada flights
United AirlinesPriceFrom £579Free CancellationRating
7.4
8,969 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Ottawa?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ottawa for you.

Can I find flights from London to Ottawa with flexible booking policies on momondo?

Flights from London to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Ottawa?

Once all potential London to Ottawa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Ottawa trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 22/1
Wed 29/1
Email me momondo's favourite deals

Find better results for your trip to Canada