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Cheap flights from Ottawa to the United Kingdom from C$ 365

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 the United Kingdom departing on 16/1. 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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Find the cheapest flights from Ottawa to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:50 p.m. - 7:10 a.m.YOW-LHR
11h 20m1 stop
Multiple Airlines Logo
9:00 a.m. - 5:42 p.m.LHR-YOW
13h 42m2 stops
C$ 911Multiple Airlines
Find Deal
Wed, 4 Feb - Tue, 10 Feb
Multiple Airlines Logo
10:50 a.m. - 7:10 a.m.YOW-LHR
15h 20m1 stop
Multiple Airlines Logo
6:50 a.m. - 2:07 p.m.LHR-YOW
12h 17m2 stops
C$ 914Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Porter Airlines Logo
7:00 a.m. - 10:45 a.m.YOW-LGW
22h 45m1 stop
Porter Airlines Logo
9:40 a.m. - 12:40 p.m.LGW-YOW
8h 00mdirect
C$ 918Porter Airlines
Find Deal
Wed, 13 May - Tue, 2 Jun
Porter Airlines Logo
11:20 a.m. - 10:45 a.m.YOW-LGW
18h 25m1 stop
Porter Airlines Logo
9:40 a.m. - 12:40 p.m.LGW-YOW
8h 00mdirect
C$ 919Porter Airlines
Find Deal
Mon, 11 May - Tue, 2 Jun
Air Canada Logo
2:50 p.m. - 7:10 a.m.YOW-LHR
11h 20m1 stop
Air Canada Logo
12:00 p.m. - 2:30 p.m.LHR-YOW
7h 30mdirect
C$ 923Air Canada
Find Deal
Mon, 16 Feb - Wed, 4 Mar
Air Canada Logo
5:45 a.m. - 7:10 a.m.YOW-LHR
20h 25m1 stop
Air Canada Logo
1:25 p.m. - 9:40 a.m.LHR-YOW
25h 15m1 stop
C$ 928Air Canada
Find Deal
Sun, 7 Dec - Mon, 15 Dec
Air Transat Logo
2:20 p.m. - 7:55 a.m.YOW-LGW
12h 35m1 stop
Air Transat Logo
9:40 a.m. - 12:40 p.m.LGW-YOW
8h 00mdirect
C$ 933Air Transat
Find Deal
Thu, 14 May - Tue, 2 Jun
Air Transat Logo
7:40 p.m. - 7:55 a.m.YOW-LGW
7h 15mdirect
Air Transat Logo
12:40 p.m. - 12:21 a.m.LGW-YOW
16h 41m1 stop
C$ 937Air Transat
Find Deal
Fri, 15 May - Mon, 25 May
Air France Logo
5:15 p.m. - 9:30 a.m.YOW-BHX
11h 15m1 stop
Air France Logo
6:00 a.m. - 3:05 p.m.BHX-YOW
14h 05m1 stop
C$ 1,072Air France
Find Deal
Fri, 1 May - Fri, 15 May
Air France Logo
5:15 p.m. - 9:30 a.m.YOW-BHX
11h 15m1 stop
Air France Logo
6:00 a.m. - 3:05 p.m.BHX-YOW
14h 05m1 stop
C$ 1,074Air France
Find Deal
Fri, 1 May - Fri, 15 May

Virgin Atlantic flights from Ottawa to United Kingdom

Our best Virgin Atlantic deals on Ottawa to United Kingdom flight tickets
Virgin Atlantic
4 May
YOW5:15 p.m.Ottawa
12h 15m
1 stop
LHR10:30 a.m.London Heathrow
25 May
LHR6:15 a.m.London Heathrow
13h 50m
1 stop
YOW3:05 p.m.Ottawa
C$ 922
Find similar
Virgin Atlantic
7 May
YOW5:15 p.m.Ottawa
11h 15m
1 stop
BHX9:30 a.m.Birmingham
11 May
BHX6:00 a.m.Birmingham
14h 05m
1 stop
YOW3:05 p.m.Ottawa
C$ 1,029
Find similar
Virgin Atlantic
7 May
YOW5:15 p.m.Ottawa
19h 35m
1 stop
BHX5:50 p.m.Birmingham
11 May
BHX6:00 a.m.Birmingham
14h 05m
1 stop
YOW3:05 p.m.Ottawa
C$ 1,030
Find similar

Lufthansa flights from Ottawa to United Kingdom

Our best Lufthansa deals on Ottawa to United Kingdom flight tickets
Lufthansa
30 Nov
YOW9:55 p.m.Ottawa
6h 25m
LHR9:20 a.m.London Heathrow
5 Dec
LHR12:00 p.m.London Heathrow
7h 30m
YOW2:30 p.m.Ottawa
C$ 928
Find similar
Lufthansa
18 Jan
YOW9:55 p.m.Ottawa
6h 25m
LHR9:20 a.m.London Heathrow
25 Jan
LHR12:00 p.m.London Heathrow
7h 30m
YOW2:30 p.m.Ottawa
C$ 933
Find similar
Lufthansa
13 May
YOW9:00 p.m.Ottawa
6h 35m
LHR8:35 a.m.London Heathrow
27 May
LHR12:40 p.m.London Heathrow
7h 55m
YOW3:35 p.m.Ottawa
C$ 992
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 18 November 2025.
Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 4/2

2:50 p.m.-7:10 a.m.

1 stop11h 20m

London Heathrow

Tue 10/2

9:00 a.m.-5:42 p.m.

2 stops13h 42m

C$ 911

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 1/12

10:50 a.m.-7:10 a.m.

1 stop15h 20m

London Heathrow

Mon 8/12

6:50 a.m.-2:07 p.m.

2 stops12h 17m

C$ 914

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 13/5

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Tue 2/6

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 918

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 11/5

11:20 a.m.-10:45 a.m.

1 stop18h 25m

London Gatwick

Tue 2/6

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 919

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 16/2

2:50 p.m.-7:10 a.m.

1 stop11h 20m

London Heathrow

Wed 4/3

12:00 p.m.-2:30 p.m.

Nonstop7h 30m

C$ 923

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 7/12

5:45 a.m.-7:10 a.m.

1 stop20h 25m

London Heathrow

Mon 15/12

1:25 p.m.-9:40 a.m.

1 stop25h 15m

C$ 928

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 14/5

2:20 p.m.-7:55 a.m.

1 stop12h 35m

London Gatwick

Tue 2/6

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 933

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 15/5

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Mon 25/5

12:40 p.m.-12:21 a.m.

1 stop16h 41m

C$ 937

OttawaBirmingham

YOW - BHX

YOWBHX

Ottawa

Fri 1/5

5:15 p.m.-9:30 a.m.

1 stop11h 15m

Birmingham

Fri 15/5

6:00 a.m.-3:05 p.m.

1 stop14h 05m

C$ 1,072

OttawaBirmingham

YOW - BHX

YOWBHX

Ottawa

Fri 1/5

5:15 p.m.-9:30 a.m.

1 stop11h 15m

Birmingham

Fri 15/5

6:00 a.m.-3:05 p.m.

1 stop14h 05m

C$ 1,074

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Ottawa to United Kingdom

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 to United Kingdom?

If you aren’t able to travel during the month of February, then book flights to United Kingdom from Ottawa during March instead. Flights to United Kingdom in March, while not as cheap as those in February, still average around C$ 994.

What is the cheapest day to depart on your flight to United Kingdom?

According to our data, Thursday is the cheapest day to fly to United Kingdom from Ottawa. The lowest ticket price found for a Thursday departure recently was C$ 1,102. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Ottawa to United Kingdom on a Sunday will generally be more expensive and average around C$ 1,307. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the morning is the cheapest time of day to fly from Ottawa to United Kingdom when you can find flight prices for as low as C$ 1,092. Flying to United Kingdom in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to United Kingdom is at noon when prices are around C$ 1,153.

What is the cheapest Ottawa to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around C$ 1,085 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Ottawa for as low as C$ 1,009 on momondo.

What cabin class options are available on Ottawa to United Kingdom flights?

There are 3 cabin classes available to choose from on Ottawa to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to United Kingdom flights?

You could potentially save up to 25% on your flight if you consider stops on a Ottawa to United Kingdom flight.

Cheap Ottawa to United Kingdom flight deals and tips

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

Best price found

C$ 988

Fastest flight time

6h 25m

Direct flights

Mon, Thu and Sat

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Ottawa in the past 72 hours is C$ 988. The best round-trip flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is C$ 990.
The fastest flight from Ottawa to United Kingdom takes 6h 25m
Direct flights go from Ottawa to United Kingdom on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom 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 United Kingdom. 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 United Kingdom?

Best airlines flying from Ottawa to United Kingdom

Compare and see reviews for airlines that fly from Ottawa to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 693Free CancellationRating
7.8
475 reviews
Search Air Transat flights
LufthansaPriceFrom C$ 698Free CancellationRating
6.8
7,576 reviews
Search Lufthansa flights
Porter AirlinesPriceFrom C$ 723Free CancellationRating
8.0
392 reviews
Search Porter Airlines flights
Air FrancePriceFrom C$ 741Free CancellationRating
7.4
1,493 reviews
Search Air France flights
Virgin AtlanticPriceFrom C$ 744Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
WestJetPriceFrom C$ 781Free CancellationRating
7.2
3,163 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 905Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 910Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights
KLMPriceFrom C$ 1,201Free CancellationRating
7.7
1,411 reviews
Search KLM flights

Why use momondo?

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

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 United Kingdom for you.

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

Flights from Ottawa to United Kingdom 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 Ottawa to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to United Kingdom from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom trip

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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