Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to London from £178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to London departing on 9/12. 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.

'This year, momondo is the #1 place for airfares on the internet.'
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 Ottawa to London

Cheap return flights

These are some of the best return flight deals from Ottawa to London 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 Ottawa to London.

Cheap last-minute flights

Planning a quick getaway from Ottawa to London? 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 London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Ottawa to London

Find recent round-trip train or bus tickets from Ottawa to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
17:20 - 10:30YOW-LHR
12h 10m1 stop
06:20 - 15:10LHR-YOW
13h 50m1 stop
£454Virgin Atlantic
Find Deal
Tue, 28 Jan - Mon, 3 Feb
17:20 - 16:35YOW-LHR
18h 15m1 stop
06:20 - 15:10LHR-YOW
13h 50m1 stop
£455Virgin Atlantic
Find Deal
Sun, 19 Jan - Sun, 26 Jan
17:20 - 10:30YOW-LHR
12h 10m1 stop
09:00 - 15:10LHR-YOW
11h 10m1 stop
£467Air France
Find Deal
Sat, 18 Jan - Sun, 26 Jan
17:20 - 10:30YOW-LHR
12h 10m1 stop
06:20 - 15:10LHR-YOW
13h 50m1 stop
£468Air France
Find Deal
Sat, 18 Jan - Sun, 26 Jan
11:00 - 07:10YOW-LHR
15h 10m1 stop
09:00 - 16:56LHR-YOW
12h 56m1 stop
£549Air Canada
Find Deal
Mon, 2 Dec - Mon, 9 Dec
11:00 - 07:10YOW-LHR
15h 10m1 stop
09:00 - 16:56LHR-YOW
12h 56m1 stop
£552Air Canada
Find Deal
Mon, 2 Dec - Mon, 9 Dec
17:10 - 09:45YOW-LGW
11h 35m1 stop
11:40 - 00:40LGW-YOW
18h 00m1 stop
£557Porter Airlines
Find Deal
Sat, 1 Feb - Fri, 28 Feb
08:00 - 09:45YOW-LGW
20h 45m1 stop
11:40 - 00:40LGW-YOW
18h 00m1 stop
£560Porter Airlines
Find Deal
Sat, 18 Jan - Sun, 26 Jan
21:35 - 10:45YOW-LGW
32h 10m1 stop
09:05 - 11:05LGW-YOW
31h 00m1 stop
£587Air Transat
Find Deal
Sun, 4 May - Sun, 25 May
10:30 - 09:45YOW-LGW
19h 15m1 stop
11:40 - 08:17LGW-YOW
24h 37m1 stop
£590Air Transat
Find Deal
Mon, 17 Mar - Fri, 28 Mar
06:15 - 12:50YOW-LHR
25h 35m1 stop
£178WestJet
Find Deal
Mon, 9 Dec
06:15 - 12:50YOW-LHR
25h 35m1 stop
£180WestJet
Find Deal
Tue, 3 Dec
10:00 - 12:50YOW-LHR
21h 50m2 stops
Mon, 9 Dec
14:50 - 12:50YOW-LHR
41h 00m2 stops
Wed, 4 Dec
14:50 - 10:45YOW-LGW
14h 55m1 stop
£346Porter Airlines
Find Deal
Sat, 26 Apr
17:10 - 09:45YOW-LGW
11h 35m1 stop
£347Air Transat
Find Deal
Sun, 19 Jan
08:00 - 09:45YOW-LGW
20h 45m1 stop
£354Porter Airlines
Find Deal
Wed, 22 Jan
07:05 - 10:45YOW-LGW
22h 40m1 stop
£359Air Transat
Find Deal
Wed, 14 May
17:35 - 20:35YOW-LHR
22h 00m1 stop
£557Air Canada
Find Deal
Sun, 19 Jan
14:45 - 08:30YOW-LHR
12h 45m2 stops
£672Air Canada
Find Deal
Fri, 13 Dec
17:20 - 21:25YOW-LHR
23h 05m1 stop
06:20 - 15:10LHR-YOW
13h 50m1 stop
£463Air France
Find Deal
Sun, 24 Nov - Tue, 3 Dec
17:20 - 16:35YOW-LHR
18h 15m1 stop
19:35 - 15:10LHR-YOW
24h 35m1 stop
£472Virgin Atlantic
Find Deal
Tue, 26 Nov - Mon, 2 Dec
17:20 - 10:45YOW-LHR
12h 25m2 stops
06:20 - 15:10LHR-YOW
13h 50m1 stop
Tue, 26 Nov - Tue, 3 Dec
17:20 - 10:45YOW-LHR
12h 25m2 stops
14:45 - 00:10LHR-YOW
14h 25m2 stops
Tue, 26 Nov - Wed, 4 Dec
06:25 - 09:45YOW-LGW
22h 20m1 stop
11:40 - 15:12LGW-YOW
32h 32m1 stop
£624Air Transat
Find Deal
Sun, 24 Nov - Thu, 5 Dec
10:00 - 09:45YOW-LGW
18h 45m1 stop
11:40 - 00:42LGW-YOW
18h 02m1 stop
£631Porter Airlines
Find Deal
Sun, 24 Nov - Tue, 3 Dec
14:50 - 09:45YOW-LGW
13h 55m1 stop
11:40 - 08:52LGW-YOW
26h 12m1 stop
£635Air Transat
Find Deal
Sun, 24 Nov - Fri, 6 Dec
14:45 - 07:10YOW-LHR
11h 25m1 stop
09:00 - 16:56LHR-YOW
12h 56m1 stop
£701Air Canada
Find Deal
Mon, 25 Nov - Tue, 3 Dec
20:15 - 11:50YOW-LHR
10h 35m1 stop
15:00 - 22:08LHR-YOW
12h 08m1 stop
£706Air Canada
Find Deal
Sun, 24 Nov - Fri, 6 Dec
14:50 - 09:45YOW-LGW
13h 55m1 stop
11:40 - 18:22LGW-YOW
11h 42m1 stop
£718Porter Airlines
Find Deal
Mon, 25 Nov - Tue, 3 Dec
20:55 - 08:35YOW-LHR
6h 40mdirect
14:05 - 16:45LHR-YOW
7h 40mdirect
£563Lufthansa
Find Deal
Wed, 9 Apr - Mon, 21 Apr
18:40 - 06:30YOW-LHR
6h 50mdirect
14:05 - 16:45LHR-YOW
7h 40mdirect
£593Lufthansa
Find Deal
Mon, 28 Apr - Mon, 12 May
19:00 - 06:35YOW-LHR
6h 35mdirect
12:40 - 15:10LHR-YOW
7h 30mdirect
£625Lufthansa
Find Deal
Mon, 19 May - Wed, 28 May
19:00 - 06:35YOW-LHR
6h 35mdirect
12:40 - 15:10LHR-YOW
7h 30mdirect
£639Lufthansa
Find Deal
Thu, 15 May - Wed, 28 May
19:00 - 06:35YOW-LHR
6h 35mdirect
14:05 - 16:25LHR-YOW
7h 20mdirect
£654Lufthansa
Find Deal
Thu, 15 May - Thu, 29 May
20:55 - 08:35YOW-LHR
6h 40mdirect
12:40 - 15:00LHR-YOW
7h 20mdirect
£689Lufthansa
Find Deal
Sat, 26 Apr - Sat, 2 Aug

Virgin Atlantic flights from Ottawa to London

Our best Virgin Atlantic deals on Ottawa to London flight tickets
Virgin Atlantic
28 Jan
YOW17:20Ottawa
12h 10m
1 stop
LHR10:30London Heathrow
3 Feb
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
Virgin Atlantic
19 Jan
YOW17:20Ottawa
18h 15m
1 stop
LHR16:35London Heathrow
26 Jan
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
Virgin Atlantic
27 Mar
YOW18:20Ottawa
9h 40m
1 stop
LHR08:00London Heathrow
9 Apr
LHR09:00London Heathrow
10h 50m
1 stop
YOW14:50Ottawa

Air France flights from Ottawa to London

Our best Air France deals on Ottawa to London flight tickets
Air France
24 Nov
YOW17:20Ottawa
23h 05m
1 stop
LHR21:25London Heathrow
3 Dec
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa
Air France
18 Jan
YOW17:20Ottawa
12h 10m
1 stop
LHR10:30London Heathrow
26 Jan
LHR09:00London Heathrow
11h 10m
1 stop
YOW15:10Ottawa
Air France
18 Jan
YOW17:20Ottawa
12h 10m
1 stop
LHR10:30London Heathrow
26 Jan
LHR06:20London Heathrow
13h 50m
1 stop
YOW15:10Ottawa

See travel insights to London from

How to get the cheapest flight ticket from Ottawa to London

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 cheapest month to fly from Ottawa to London?

January. The cheapest time of year to fly to London from Ottawa is January. The most expensive is December.

What is the cheapest day to depart Ottawa for London?

Sunday. The cheapest day of the week is usually Sunday. The most expensive is usually Saturday.

When is the cheapest time to fly from Ottawa to London?

In the afternoon. Ottawa to London flights are approximately 25% more expensive at midday than in the afternoon

What is the cheapest Ottawa to London flight route?

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

How far in advance should you book Ottawa to London flights?

11 days before. The cheapest time to buy a flight from Ottawa to London is approximately 11 days to departure

Can stopping save me money on Ottawa to London flights?

You could potentially save up to 69% on your flight if you consider stops on a Ottawa to London flight.

How have Ottawa to London flight prices changed over time?

As of November 2024, prices for Ottawa to London flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to London

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

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

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

Best price found

£178

Fastest flight time

6h 40m

Direct flights

Tue, Thu, Fri and Sun

Airports in London

5 airports
The best one-way flight to London from Ottawa in the past 72 hours is £178. The best return flight deal from Ottawa to London found on momondo in the last 72 hours is £454.
The fastest flight from Ottawa to London takes 6h 40m
Direct flights go from Ottawa to London on Tuesday, Thursday, Friday and Sunday. Airline offering direct flights is Lufthansa..
There are 5 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

  • How far is Ottawa to London by plane?

    The straight-line distance from Ottawa to London is 3329.4 mi. By plane, this route typically takes 6h 40m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London 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 London. 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 Ottawa to London?

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


Best airlines flying from Ottawa to London

Compare and see reviews for airlines that fly from Ottawa to London with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £568Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights

Why use momondo?

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

It is quick and easy to find Ottawa to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Ottawa with this policy.

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

momondo helps you find the best flight between Ottawa and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Ottawa and alert you when they change.


An easier way to manage your London 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?
Tue 26/11
Tue 3/12
Email me momondo's favourite deals

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London