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Cheap flights from Ottawa to the United Kingdom from C$ 327

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 14/10. 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

Air Transat Logo
6:45 a.m. - 7:40 a.m.YOW-GLA
19h 55m1 stop
Air Transat Logo
9:25 a.m. - 8:25 a.m.GLA-YOW
28h 00m1 stop
C$ 836Air Transat
Find Deal
Sat, 31 Jan - Sun, 8 Feb
Logo
3:55 p.m. - 3:30 p.m.YOW-GLA
18h 35m2 stops
Logo
10:35 p.m. - 5:04 p.m.GLA-YOW
23h 29m2 stops
C$ 854
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Air Canada Logo
4:05 p.m. - 6:30 a.m.YOW-LHR
9h 25m1 stop
Air Canada Logo
1:25 p.m. - 10:18 p.m.LHR-YOW
12h 53m1 stop
C$ 857Air Canada
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Air Canada Logo
7:00 a.m. - 9:00 p.m.YOW-LHR
9h 00m1 stop
Air Canada Logo
9:00 a.m. - 9:42 a.m.LHR-YOW
28h 42m2 stops
C$ 858Air Canada
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Porter Airlines Logo
10:45 a.m. - 10:45 a.m.YOW-LGW
19h 00m1 stop
Porter Airlines Logo
11:40 a.m. - 4:51 p.m.LGW-YOW
33h 11m1 stop
C$ 891Porter Airlines
Find Deal
Wed, 8 Oct - Wed, 29 Oct
Porter Airlines Logo
2:20 p.m. - 10:45 a.m.YOW-LGW
15h 25m1 stop
Porter Airlines Logo
12:40 p.m. - 8:05 a.m.LGW-YOW
24h 25m1 stop
C$ 897Porter Airlines
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Lufthansa Logo
6:55 p.m. - 6:30 a.m.YOW-LHR
6h 35mdirect
Lufthansa Logo
2:05 p.m. - 4:25 p.m.LHR-YOW
7h 20mdirect
C$ 941Lufthansa
Find Deal
Mon, 29 Sep - Thu, 9 Oct
Lufthansa Logo
5:55 p.m. - 11:00 p.m.YOW-GLA
24h 05m2 stops
Lufthansa Logo
6:10 a.m. - 12:19 a.m.GLA-YOW
23h 09m2 stops
C$ 1,123Lufthansa
Find Deal
Tue, 14 Oct - Thu, 23 Oct
Air France Logo
5:15 p.m. - 9:30 a.m.YOW-BHX
11h 15m1 stop
Air France Logo
4:15 p.m. - 4:10 p.m.BHX-YOW
27h 55m1 stop
C$ 1,243Air France
Find Deal
Thu, 16 Oct - Mon, 27 Oct
Air France Logo
5:20 p.m. - 4:05 p.m.YOW-MAN
17h 45m1 stop
Air France Logo
6:00 a.m. - 3:10 p.m.MAN-YOW
14h 10m1 stop
C$ 1,289Air France
Find Deal
Tue, 16 Dec - Mon, 16 Feb

Air Canada flights from Ottawa to United Kingdom

Our best Air Canada deals on Ottawa to United Kingdom flight tickets
Air Canada
22 Oct
YOW4:05 p.m.Ottawa
9h 25m
1 stop
LHR6:30 a.m.London Heathrow
29 Oct
LHR1:25 p.m.London Heathrow
12h 53m
1 stop
YOW10:18 p.m.Ottawa
C$ 857
Find similar
Air Canada
22 Oct
YOW7:00 a.m.Ottawa
9h 00m
1 stop
LHR9:00 p.m.London Heathrow
29 Oct
LHR9:00 a.m.London Heathrow
28h 42m
2 stops
YOW9:42 a.m.Ottawa
C$ 858
Find similar
Air Canada
28 Oct
YOW2:50 p.m.Ottawa
12h 20m
1 stop
LHR7:10 a.m.London Heathrow
4 Nov
LHR9:00 a.m.London Heathrow
13h 43m
1 stop
YOW5:43 p.m.Ottawa
C$ 861
Find similar

Lufthansa flights from Ottawa to United Kingdom

Our best Lufthansa deals on Ottawa to United Kingdom flight tickets
Lufthansa
29 Sep
YOW6:55 p.m.Ottawa
6h 35m
LHR6:30 a.m.London Heathrow
9 Oct
LHR2:05 p.m.London Heathrow
7h 20m
YOW4:25 p.m.Ottawa
C$ 941
Find similar
Lufthansa
27 Sep
YOW8:55 p.m.Ottawa
28h 35m
1 stop
LHR6:30 a.m.London Heathrow
4 Oct
LHR9:30 a.m.London Heathrow
12h 49m
1 stop
YOW5:19 p.m.Ottawa
C$ 1,017
Find similar
Lufthansa
14 Oct
YOW5:55 p.m.Ottawa
24h 05m
2 stops
GLA11:00 p.m.Glasgow Intl
23 Oct
GLA6:10 a.m.Glasgow Intl
23h 09m
2 stops
YOW12:19 a.m.Ottawa
C$ 1,123
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 15 September 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

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Sat 31/1

6:45 a.m.-7:40 a.m.

1 stop19h 55m

Glasgow Intl

Sun 8/2

9:25 a.m.-8:25 a.m.

1 stop28h 00m

C$ 836

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 14/10

3:55 p.m.-3:30 p.m.

2 stops18h 35m

Glasgow Intl

Tue 21/10

10:35 p.m.-5:04 p.m.

2 stops23h 29m

C$ 854

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 22/10

4:05 p.m.-6:30 a.m.

1 stop9h 25m

London Heathrow

Wed 29/10

1:25 p.m.-10:18 p.m.

1 stop12h 53m

C$ 857

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 22/10

7:00 a.m.-9:00 p.m.

1 stop9h 00m

London Heathrow

Wed 29/10

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

2 stops28h 42m

C$ 858

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 8/10

10:45 a.m.-10:45 a.m.

1 stop19h 00m

London Gatwick

Wed 29/10

11:40 a.m.-4:51 p.m.

1 stop33h 11m

C$ 891

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 13/10

2:20 p.m.-10:45 a.m.

1 stop15h 25m

London Gatwick

Mon 20/10

12:40 p.m.-8:05 a.m.

1 stop24h 25m

C$ 897

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 29/9

6:55 p.m.-6:30 a.m.

Nonstop6h 35m

London Heathrow

Thu 9/10

2:05 p.m.-4:25 p.m.

Nonstop7h 20m

C$ 941

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 14/10

5:55 p.m.-11:00 p.m.

2 stops24h 05m

Glasgow Intl

Thu 23/10

6:10 a.m.-12:19 a.m.

2 stops23h 09m

C$ 1,123

OttawaBirmingham

YOW - BHX

YOWBHX

Ottawa

Thu 16/10

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

1 stop11h 15m

Birmingham

Mon 27/10

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

1 stop27h 55m

C$ 1,243

OttawaManchester

YOW - MAN

YOWMAN

Ottawa

Tue 16/12

5:20 p.m.-4:05 p.m.

1 stop17h 45m

Manchester

Mon 16/2

6:00 a.m.-3:10 p.m.

1 stop14h 10m

C$ 1,289

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$ 981.

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$ 1,083. 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$ 1,289. 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$ 1,077. 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$ 1,137.

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$ 1,075 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$ 992 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 22% 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$ 1,187

Fastest flight time

6h 35m

Direct flights

Tue, Thu, Fri and Sun

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Ottawa in the past 72 hours is C$ 1,187. The best round-trip flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is C$ 953.
The fastest flight from Ottawa to United Kingdom takes 6h 35m
Direct flights go from Ottawa to United Kingdom on Tuesday, Thursday, Friday and Sunday. 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
Porter AirlinesPriceFrom C$ 714Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 720Free CancellationRating
7.7
438 reviews
Search Air Transat flights
Air FrancePriceFrom C$ 731Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Virgin AtlanticPriceFrom C$ 734Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
WestJetPriceFrom C$ 771Free CancellationRating
7.2
3,091 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 892Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 901Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 959Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Aer LingusPriceFrom C$ 970Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
KLMPriceFrom C$ 1,105Free CancellationRating
7.8
1,385 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
Flights to Londonfrom C$ 550
Flights to Edinburghfrom C$ 644
Flights to Manchesterfrom C$ 662
Flights to Glasgowfrom C$ 738
Flights to Birminghamfrom C$ 641
Flights to Belfastfrom C$ 800
Flights to Newcastle upon Tynefrom C$ 807
Flights to Bristolfrom C$ 781
Flights to Aberdeenfrom C$ 858
Flights to Liverpoolfrom C$ 691
Flights to Leedsfrom C$ 602
Flights to Invernessfrom C$ 671