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Cheap flights from Ottawa to the United Kingdom from C$ 382

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 23/2. 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.
Air Transat Logo
10:00 a.m. - 9:45 a.m.
YOW
-
LGW
18h 45m
1 stop
Air Transat Logo
11:40 a.m. - 8:25 a.m.
LGW
-
YOW
24h 45m
1 stop
C$ 719Air Transat
Fri, 6 Mar - Fri, 13 Mar
Air Transat Logo
10:00 a.m. - 9:45 a.m.
YOW
-
LGW
18h 45m
1 stop
Air Transat Logo
11:40 a.m. - 7:25 a.m.
LGW
-
YOW
24h 45m
1 stop
C$ 720Air Transat
Sun, 1 Mar - Sat, 7 Mar
WestJet Logo
6:35 p.m. - 9:40 a.m.
YOW
-
GLA
10h 05m
1 stop
WestJet Logo
11:00 a.m. - 5:35 p.m.
GLA
-
YOW
11h 35m
1 stop
C$ 841WestJet
Fri, 15 May - Sat, 30 May
WestJet Logo
6:35 p.m. - 9:40 a.m.
YOW
-
GLA
10h 05m
1 stop
WestJet Logo
11:00 a.m. - 5:35 p.m.
GLA
-
YOW
11h 35m
1 stop
C$ 843WestJet
Tue, 19 May - Thu, 21 May
Air Canada Logo
9:55 p.m. - 9:20 a.m.
YOW
-
LHR
6h 25mdirect
Air Canada Logo
6:50 a.m. - 4:23 p.m.
LHR
-
YOW
13h 33m
2 stops
C$ 851Air Canada
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
2:50 p.m. - 7:10 a.m.
YOW
-
LHR
11h 20m
1 stop
Air Canada Logo
6:50 a.m. - 4:23 p.m.
LHR
-
YOW
13h 33m
2 stops
C$ 854Air Canada
Wed, 4 Mar - Wed, 11 Mar
United Airlines Logo
5:11 p.m. - 10:20 a.m.
YOW
-
MAN
36h 09m
2 stops
United Airlines Logo
6:10 a.m. - 11:54 p.m.
MAN
-
YOW
22h 44m
2 stops
C$ 1,065United Airlines
Mon, 16 Feb - Mon, 23 Feb
United Airlines Logo
2:15 p.m. - 12:45 p.m.
YOW
-
BHX
17h 30m
2 stops
United Airlines Logo
1:45 p.m. - 10:26 a.m.
BHX
-
YOW
24h 41m
2 stops
C$ 1,133United Airlines
Wed, 4 Mar - Wed, 11 Mar
Air France Logo
5:20 p.m. - 5:50 p.m.
YOW
-
BHX
19h 30m
1 stop
Air France Logo
4:15 p.m. - 3:10 p.m.
BHX
-
YOW
27h 55m
1 stop
C$ 1,156Air France
Tue, 3 Mar - Sat, 7 Mar
Air France Logo
5:20 p.m. - 9:30 a.m.
YOW
-
BHX
11h 10m
1 stop
Air France Logo
4:15 p.m. - 3:10 p.m.
BHX
-
YOW
27h 55m
1 stop
C$ 1,159Air France
Tue, 3 Mar - Sat, 7 Mar

Air Canada flights from Ottawa to United Kingdom

Our best Air Canada deals on Ottawa to United Kingdom flight tickets
Air Canada
4 Mar
YOW9:55 p.m.Ottawa
6h 25m
LHR9:20 a.m.London Heathrow
11 Mar
LHR6:50 a.m.London Heathrow
13h 33m
2 stops
YOW4:23 p.m.Ottawa
C$ 851
Air Canada
4 Mar
YOW2:50 p.m.Ottawa
11h 20m
1 stop
LHR7:10 a.m.London Heathrow
11 Mar
LHR6:50 a.m.London Heathrow
13h 33m
2 stops
YOW4:23 p.m.Ottawa
C$ 854
Air Canada
4 Mar
YOW9:55 p.m.Ottawa
6h 25m
LHR9:20 a.m.London Heathrow
11 Mar
LHR6:50 a.m.London Heathrow
13h 33m
2 stops
YOW4:23 p.m.Ottawa
C$ 862

SWISS flights from Ottawa to United Kingdom

Our best SWISS deals on Ottawa to United Kingdom flight tickets
SWISS
18 Feb
YOW4:15 p.m.Ottawa
15h 45m
2 stops
LHR1:00 p.m.London Heathrow
25 Feb
LHR6:00 a.m.London Heathrow
16h 41m
2 stops
YOW5:41 p.m.Ottawa
C$ 912
SWISS
30 Mar
YOW4:15 p.m.Ottawa
19h 10m
2 stops
LHR4:25 p.m.London Heathrow
13 Apr
LHR8:05 p.m.London Heathrow
28h 29m
2 stops
YOW7:34 p.m.Ottawa
C$ 944
SWISS
17 Feb
YOW10:50 a.m.Ottawa
16h 55m
2 stops
LCY8:45 a.m.London City
25 Feb
LCY9:20 a.m.London City
13h 21m
2 stops
YOW5:41 p.m.Ottawa
C$ 1,023

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 20 January 2026.
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 - LGW

YOWLGW

Ottawa

Fri 6/3

10:00 a.m.-9:45 a.m.

1 stop18h 45m

London Gatwick

Fri 13/3

11:40 a.m.-8:25 a.m.

1 stop24h 45m

C$ 719

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 1/3

10:00 a.m.-9:45 a.m.

1 stop18h 45m

London Gatwick

Sat 7/3

11:40 a.m.-7:25 a.m.

1 stop24h 45m

C$ 720

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 15/5

6:35 p.m.-9:40 a.m.

1 stop10h 05m

Glasgow Intl

Sat 30/5

11:00 a.m.-5:35 p.m.

1 stop11h 35m

C$ 841

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 19/5

6:35 p.m.-9:40 a.m.

1 stop10h 05m

Glasgow Intl

Thu 21/5

11:00 a.m.-5:35 p.m.

1 stop11h 35m

C$ 843

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 4/3

9:55 p.m.-9:20 a.m.

Nonstop6h 25m

London Heathrow

Wed 11/3

6:50 a.m.-4:23 p.m.

2 stops13h 33m

C$ 851

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 4/3

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

1 stop11h 20m

London Heathrow

Wed 11/3

6:50 a.m.-4:23 p.m.

2 stops13h 33m

C$ 854

OttawaManchester

YOW - MAN

YOWMAN

Ottawa

Mon 16/2

5:11 p.m.-10:20 a.m.

2 stops36h 09m

Manchester

Mon 23/2

6:10 a.m.-11:54 p.m.

2 stops22h 44m

C$ 1,065

OttawaBirmingham

YOW - BHX

YOWBHX

Ottawa

Wed 4/3

2:15 p.m.-12:45 p.m.

2 stops17h 30m

Birmingham

Wed 11/3

1:45 p.m.-10:26 a.m.

2 stops24h 41m

C$ 1,133

OttawaBirmingham

YOW - BHX

YOWBHX

Ottawa

Tue 3/3

5:20 p.m.-5:50 p.m.

1 stop19h 30m

Birmingham

Sat 7/3

4:15 p.m.-3:10 p.m.

1 stop27h 55m

C$ 1,156

OttawaBirmingham

YOW - BHX

YOWBHX

Ottawa

Tue 3/3

5:20 p.m.-9:30 a.m.

1 stop11h 10m

Birmingham

Sat 7/3

4:15 p.m.-3:10 p.m.

1 stop27h 55m

C$ 1,159

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 January instead. Flights to United Kingdom in January, while not as cheap as those in February, still average around C$ 941.

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

According to our data, Friday is the cheapest day to fly to United Kingdom from Ottawa. The lowest ticket price found for a Friday departure recently was C$ 1,068. 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$ 1,162. 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 evening is the cheapest time of day to fly from Ottawa to United Kingdom when you can find flight prices for as low as C$ 1,101. Flying to United Kingdom in the evening 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 in the afternoon when prices are around C$ 1,105.

What is the cheapest Ottawa to United Kingdom flight route?

Fly from Ottawa to London Gatwick 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$ 1,060 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$ 999 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 43% 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$ 1,083

Fastest flight time

6h 25m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from Ottawa in the past 72 hours is C$ 1,083. The best round-trip flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is C$ 102.
The fastest flight from Ottawa to United Kingdom takes 6h 25m
Direct flights go from Ottawa to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Ottawa there are direct flights to London Heathrow (LHR), London Gatwick (LGW).
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
Virgin AtlanticPriceFrom C$ 671Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air TransatPriceFrom C$ 679Free CancellationRating
7.7
499 reviews
Search Air Transat flights
LufthansaPriceFrom C$ 690Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
Porter AirlinesPriceFrom C$ 716Free CancellationRating
8.0
411 reviews
Search Porter Airlines flights
Air FrancePriceFrom C$ 772Free CancellationRating
7.4
1,524 reviews
Search Air France flights
WestJetPriceFrom C$ 773Free CancellationRating
7.2
3,247 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 895Free CancellationRating
7.4
9,188 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 904Free CancellationRating
7.1
10,642 reviews
Search Air Canada 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.

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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
Flights to Londonfrom C$ 598
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Flights to Manchesterfrom C$ 658
Flights to Glasgowfrom C$ 697
Flights to Birminghamfrom C$ 662
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Flights to Aberdeenfrom C$ 875
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Flights to Cardifffrom C$ 759