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Cheap flights from Ottawa to London from C$ 324

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 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Sat 30/3

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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

C$ 324

Fastest flight time

9h 00m

Direct flights

None

Airports in London

6 airports
The best one-way flight to London from Ottawa in the past 72 hours is C$ 324. The best round-trip flight deal from Ottawa to London found on momondo in the last 72 hours is C$ 888.
The fastest flight from Ottawa to London takes 9h 00m
There are no direct flights from Ottawa to London. Popular non-direct routes for this connection are Ottawa Airport - London Luton Airport, Ottawa Airport - London City Airport and Ottawa Airport - London Gatwick Airport.
There are 6 airports near London: London City (LCY), London Luton (LTN), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

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?

Monday. The cheapest day of the week is typically Monday. The most expensive is typically Saturday

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

In the afternoon. Ottawa to London flights are approximately 8% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to London from Ottawa?

Virgin Atlantic. Air France, Air Transat, and Porter Airlines are the most popular carriers operating from Ottawa to London

What is the cheapest Ottawa to London flight route?

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

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

41 days before. The cheapest time to buy a flight from Ottawa to London is approximately 41 days to departure

If you are looking to fly from Ottawa to London, you are most likely going to fly from Ottawa Airport to London Heathrow Airport, the most popular airports on that route. You may be looking for an airport near Ottawa Airport to depart from when travelling to London and luckily, there are options! You can try Montreal Pierre Elliott Trudeau Intl Airport which is located in Montreal or Kingston Airport which is located in Kingston. When travelling from Ottawa, it is helpful to have an alternative airport to fly into when you land in London. Good options for arrival airports in London, you can try London Gatwick Airport (in London), London City Airport (in London), or London Southend Airport (in London). In March, C$ 815 is typically the cheapest round trip price you’ll find from Ottawa to London which you can find when you fly YUL — LHR.

Montreal Pierre Elliott Trudeau Intl Airport (YUL) to London Heathrow Airport (LHR)C$ 815
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Montreal Pierre Elliott Trudeau Intl Airport (YUL) to London Gatwick Airport (LGW)C$ 880
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Montreal Pierre Elliott Trudeau Intl Airport (YUL) to London City Airport (LCY)C$ 991
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Ottawa Airport (YOW) to London Heathrow Airport (LHR)C$ 1,022
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Ottawa Airport (YOW) to London Gatwick Airport (LGW)C$ 902
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Montreal Pierre Elliott Trudeau Intl Airport (YUL) to London Southend Airport (SEN)C$ 1,015
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Easily compare round-trip flights from Ottawa to London

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ottawa to London by changing tabs
Multiple Airlines
26 May
YOW4:55 p.m.Ottawa
11h 05m
1 stop
LGW9:00 a.m.London Gatwick
2 Jun.
LGW2:00 p.m.London Gatwick
31h 57m
1 stop
YOW4:57 p.m.Ottawa
Porter Airlines
21 May
YOW8:10 a.m.Ottawa
21h 35m
1 stop
LGW10:45 a.m.London Gatwick
12 Jun.
LGW12:40 p.m.London Gatwick
24h 22m
1 stop
YOW8:02 a.m.Ottawa
SWISS
23 Apr.
YOW6:20 p.m.Ottawa
32h 55m
2 stops
LHR8:15 a.m.London Heathrow
26 Apr.
LHR6:00 a.m.London Heathrow
18h 17m
2 stops
YOW7:17 p.m.Ottawa
Air Transat
13 Jun.
YOW11:55 a.m.Ottawa
15h 15m
1 stop
LGW8:10 a.m.London Gatwick
25 Jun.
LGW9:40 a.m.London Gatwick
27h 22m
1 stop
YOW8:02 a.m.Ottawa
C$ 1,003
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Lufthansa
10 Apr.
YOW6:20 p.m.Ottawa
31h 10m
1 stop
LHR6:30 a.m.London Heathrow
17 Apr.
LHR1:30 p.m.London Heathrow
14h 42m
2 stops
YOW11:12 p.m.Ottawa
C$ 1,032
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Air Canada
11 Apr.
YOW7:00 a.m.Ottawa
9h 00m
1 stop
LHR9:00 p.m.London Heathrow
24 Apr.
LHR2:05 p.m.London Heathrow
12h 27m
1 stop
YOW9:32 p.m.Ottawa
C$ 1,033
Find similar

Find the cheapest one-way flights from Ottawa to London

If you're looking for one-way flights from Ottawa to London, view some of our deals below provided by Air Canada, Lufthansa and Scandinavian Airlines
Multiple Airlines
2 Apr.
YOW8:00 a.m.Ottawa
21h 00m
1 stop
LGW10:00 a.m.London Gatwick
Scandinavian Airlines
29 Apr.
YOW2:00 p.m.Ottawa
24h 55m
2 stops
LHR7:55 p.m.London Heathrow
WestJet
24 May
YOW3:55 p.m.Ottawa
15h 05m
1 stop
LHR12:00 p.m.London Heathrow

Search last-minute flights to London from Ottawa

Find and compare round-trip flight prices for your last-minute flight from Ottawa to London
Air Canada
27 Mar.
YOW12:30 p.m.Ottawa
14h 40m
1 stop
LHR7:10 a.m.London Heathrow
7 Apr.
LHR9:30 a.m.London Heathrow
14h 27m
1 stop
YOW6:57 p.m.Ottawa
C$ 1,033
Find similar
Multiple Airlines
26 Mar.
YOW6:20 p.m.Ottawa
8h 50m
1 stop
LHR7:10 a.m.London Heathrow
2 Apr.
LHR9:30 a.m.London Heathrow
31h 09m
1 stop
YOW11:39 a.m.Ottawa
C$ 1,059
Find similar
Lufthansa
31 Mar.
YOW6:20 p.m.Ottawa
31h 10m
1 stop
LHR6:30 a.m.London Heathrow
14 Apr.
LHR8:30 a.m.London Heathrow
13h 47m
1 stop
YOW5:17 p.m.Ottawa
C$ 1,459
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KLM
31 Mar.
YOW5:00 p.m.Ottawa
11h 30m
2 stops
LCY9:30 a.m.London City
14 Apr.
LCY8:45 p.m.London City
23h 05m
2 stops
YOW2:50 p.m.Ottawa
C$ 1,568
Find similar
Porter Airlines
26 Mar.
YOW7:30 a.m.Ottawa
22h 15m
1 stop
LGW9:45 a.m.London Gatwick
2 Apr.
LGW12:40 p.m.London Gatwick
24h 50m
1 stop
YOW8:30 a.m.Ottawa
C$ 1,668
Find similar
SWISS
27 Mar.
YOW12:30 p.m.Ottawa
24h 35m
2 stops
LCY5:05 p.m.London City
7 Apr.
LCY2:20 p.m.London City
33h 57m
2 stops
YOW7:17 p.m.Ottawa
C$ 1,692
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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
Virgin AtlanticPriceFrom C$ 784Free CancellationRating
7.7
762 reviews
Search Virgin Atlantic flights
Porter AirlinesPriceFrom C$ 867Free CancellationRating
7.4
460 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 871Free CancellationRating
7.0
6,717 reviews
Search Air Canada flights
Air TransatPriceFrom C$ 884Free CancellationRating
7.6
527 reviews
Search Air Transat flights
Air FrancePriceFrom C$ 908Free CancellationRating
7.6
1,911 reviews
Search Air France flights
LufthansaPriceFrom C$ 950Free CancellationRating
7.0
7,942 reviews
Search Lufthansa flights
SWISSPriceFrom C$ 955Free CancellationRating
7.8
2,183 reviews
Search SWISS flights
United AirlinesPriceFrom C$ 974Free CancellationRating
7.4
11,618 reviews
Search United Airlines flights
Aer LingusPriceFrom C$ 1,460Free CancellationRating
7.2
1,404 reviews
Search Aer Lingus flights
LOTPriceFrom C$ 1,720Free CancellationRating
7.3
1,808 reviews
Search LOT flights

United Airlines flights from Ottawa to London

Our best United Airlines deals on Ottawa to London flight tickets
United Airlines
8 May
YOW6:05 a.m.Ottawa
19h 40m
2 stops
LHR6:45 a.m.London Heathrow
15 May
LHR7:00 a.m.London Heathrow
16h 55m
2 stops
YOW6:55 p.m.Ottawa
C$ 1,094
Find similar
United Airlines
28 Apr.
YOW6:00 a.m.Ottawa
9h 40m
1 stop
LHR8:40 p.m.London Heathrow
27 May
LHR6:50 a.m.London Heathrow
14h 48m
2 stops
YOW4:38 p.m.Ottawa
C$ 1,281
Find similar
United Airlines
16 Jun.
YOW1:35 p.m.Ottawa
22h 30m
2 stops
LHR5:05 p.m.London Heathrow
24 Jun.
LHR6:50 a.m.London Heathrow
20h 14m
2 stops
YOW10:04 p.m.Ottawa
C$ 1,289
Find similar

SWISS flights from Ottawa to London

Our best SWISS deals on Ottawa to London flight tickets
SWISS
23 Apr.
YOW6:20 p.m.Ottawa
32h 55m
2 stops
LHR8:15 a.m.London Heathrow
26 Apr.
LHR6:00 a.m.London Heathrow
18h 17m
2 stops
YOW7:17 p.m.Ottawa
SWISS
16 Apr.
YOW12:30 p.m.Ottawa
14h 25m
2 stops
LHR7:55 a.m.London Heathrow
23 Apr.
LHR8:40 a.m.London Heathrow
15h 37m
2 stops
YOW7:17 p.m.Ottawa
C$ 1,018
Find similar
SWISS
16 Apr.
YOW10:30 a.m.Ottawa
26h 20m
2 stops
LGW5:50 p.m.London Gatwick
23 Apr.
LGW6:45 p.m.London Gatwick
29h 32m
2 stops
YOW7:17 p.m.Ottawa
C$ 1,041
Find similar

  • How far is Ottawa to London by plane?

    A flight from Ottawa to London will travel around 5358.1 km. In terms of flight time, this usually takes a little over 9h 00m.

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

    Prices for flights from Ottawa Airport to London were last updated today.

  • 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?

    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 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.


Alternative routes for Ottawa to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Toronto to London Flights
Fastest flight time7h 05m
Cheapest priceC$ 598
Toronto to Manchester Flights
Fastest flight time6h 50m
Cheapest priceC$ 682
Toronto to Birmingham Flights
Fastest flight time9h 10m
Cheapest priceC$ 677
Toronto to Southampton Flights
Fastest flight time9h 40m
Cheapest priceC$ 1,021
Toronto to Bristol Flights
Fastest flight time9h 10m
Cheapest priceC$ 716
Toronto to Newcastle upon Tyne Flights
Fastest flight time9h 55m
Cheapest priceC$ 846
Toronto to Leeds Flights
Fastest flight time9h 45m
Cheapest priceC$ 834

Similar Ottawa to London flights

Flexible with your destination? Broaden your search and find flights similar to your Ottawa to London route

Why use momondo?

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

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 Ottawa to London for you.

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

Yes. momondo allows you to filter the results for Ottawa to London flights to just show those with flexible booking policies.

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

Once you have performed a search for Ottawa to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Ottawa to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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