Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to the United Kingdom from C$ 369

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 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

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? Early arrival? Instantly customize 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.
Search flight deals

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
6:55 p.m. - 9:45 a.m.YOW-LGW
9h 50m1 stop
Air Transat Logo
11:40 a.m. - 6:24 p.m.LGW-YOW
11h 44m1 stop
C$ 861Air Transat
Find Deal
Thu, 13 Nov - Thu, 20 Nov
Air Transat Logo
6:55 p.m. - 9:45 a.m.YOW-LGW
9h 50m1 stop
Air Transat Logo
11:40 a.m. - 6:25 p.m.LGW-YOW
11h 45m1 stop
C$ 865Air Transat
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Porter Airlines Logo
6:55 p.m. - 9:45 a.m.YOW-LGW
9h 50m1 stop
Porter Airlines Logo
11:40 a.m. - 6:25 p.m.LGW-YOW
11h 45m1 stop
C$ 869Porter Airlines
Find Deal
Wed, 26 Nov - Mon, 1 Dec
Air Canada Logo
10:50 a.m. - 7:10 a.m.YOW-LHR
15h 20m1 stop
Air Canada Logo
1:25 p.m. - 9:42 a.m.LHR-YOW
25h 17m1 stop
C$ 889Air Canada
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Air Canada Logo
10:30 a.m. - 7:10 a.m.YOW-LHR
15h 40m2 stops
Air Canada Logo
1:25 p.m. - 10:18 p.m.LHR-YOW
13h 53m1 stop
C$ 896Air Canada
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Lufthansa Logo
4:00 p.m. - 7:10 a.m.YOW-LHR
10h 10m1 stop
Lufthansa Logo
8:45 a.m. - 10:18 p.m.LHR-YOW
18h 33m2 stops
C$ 921Lufthansa
Find Deal
Mon, 9 Feb - Mon, 16 Feb
Lufthansa Logo
4:00 p.m. - 7:10 a.m.YOW-LHR
10h 10m1 stop
Lufthansa Logo
12:00 p.m. - 2:30 p.m.LHR-YOW
7h 30mdirect
C$ 931Lufthansa
Find Deal
Thu, 4 Dec - Wed, 10 Dec
Porter Airlines Logo
6:55 p.m. - 9:45 a.m.YOW-LGW
9h 50m1 stop
Porter Airlines Logo
11:40 a.m. - 12:41 a.m.LGW-YOW
18h 01m1 stop
C$ 1,021Porter Airlines
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Air France Logo
6:20 p.m. - 4:05 p.m.YOW-MAN
17h 45m1 stop
Air France Logo
6:00 a.m. - 3:20 p.m.MAN-YOW
14h 20m1 stop
C$ 1,399Air France
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Air France Logo
6:20 p.m. - 4:05 p.m.YOW-MAN
17h 45m1 stop
Air France Logo
11:05 a.m. - 3:20 p.m.MAN-YOW
33h 15m1 stop
C$ 1,417Air France
Find Deal
Tue, 28 Oct - Mon, 3 Nov

Air Canada flights from Ottawa to United Kingdom

Our best Air Canada deals on Ottawa to United Kingdom flight tickets
Air Canada
29 Nov
YOW10:50 a.m.Ottawa
15h 20m
1 stop
LHR7:10 a.m.London Heathrow
6 Dec
LHR1:25 p.m.London Heathrow
25h 17m
1 stop
YOW9:42 a.m.Ottawa
C$ 889
Find similar
Air Canada
30 Nov
YOW10:30 a.m.Ottawa
15h 40m
2 stops
LHR7:10 a.m.London Heathrow
7 Dec
LHR1:25 p.m.London Heathrow
13h 53m
1 stop
YOW10:18 p.m.Ottawa
C$ 896
Find similar
Air Canada
7 Nov
YOW9:55 p.m.Ottawa
6h 25m
LHR9:20 a.m.London Heathrow
14 Nov
LHR1:25 p.m.London Heathrow
25h 17m
1 stop
YOW9:42 a.m.Ottawa
C$ 897
Find similar

Lufthansa flights from Ottawa to United Kingdom

Our best Lufthansa deals on Ottawa to United Kingdom flight tickets
Lufthansa
9 Feb
YOW4:00 p.m.Ottawa
10h 10m
1 stop
LHR7:10 a.m.London Heathrow
16 Feb
LHR8:45 a.m.London Heathrow
18h 33m
2 stops
YOW10:18 p.m.Ottawa
C$ 921
Find similar
Lufthansa
4 Dec
YOW4:00 p.m.Ottawa
10h 10m
1 stop
LHR7:10 a.m.London Heathrow
10 Dec
LHR12:00 p.m.London Heathrow
7h 30m
YOW2:30 p.m.Ottawa
C$ 931
Find similar
Lufthansa
12 Nov
YOW9:55 p.m.Ottawa
6h 25m
LHR9:20 a.m.London Heathrow
26 Nov
LHR12:00 p.m.London Heathrow
7h 30m
YOW2:30 p.m.Ottawa
C$ 932
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 16 October 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 - LGW

YOWLGW

Ottawa

Thu 13/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

London Gatwick

Thu 20/11

11:40 a.m.-6:24 p.m.

1 stop11h 44m

C$ 861

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 30/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

London Gatwick

Sun 7/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 865

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 26/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

London Gatwick

Mon 1/12

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 869

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 29/11

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

1 stop15h 20m

London Heathrow

Sat 6/12

1:25 p.m.-9:42 a.m.

1 stop25h 17m

C$ 889

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 30/11

10:30 a.m.-7:10 a.m.

2 stops15h 40m

London Heathrow

Sun 7/12

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

1 stop13h 53m

C$ 896

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 9/2

4:00 p.m.-7:10 a.m.

1 stop10h 10m

London Heathrow

Mon 16/2

8:45 a.m.-10:18 p.m.

2 stops18h 33m

C$ 921

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 4/12

4:00 p.m.-7:10 a.m.

1 stop10h 10m

London Heathrow

Wed 10/12

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

Nonstop7h 30m

C$ 931

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 29/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

London Gatwick

Sat 6/12

11:40 a.m.-12:41 a.m.

1 stop18h 01m

C$ 1,021

OttawaManchester

YOW - MAN

YOWMAN

Ottawa

Tue 28/10

6:20 p.m.-4:05 p.m.

1 stop17h 45m

Manchester

Tue 4/11

6:00 a.m.-3:20 p.m.

1 stop14h 20m

C$ 1,398

OttawaManchester

YOW - MAN

YOWMAN

Ottawa

Tue 28/10

6:20 p.m.-4:05 p.m.

1 stop17h 45m

Manchester

Mon 3/11

11:05 a.m.-3:20 p.m.

1 stop33h 15m

C$ 1,417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April instead. Flights to United Kingdom in April, while not as cheap as those in February, still average around C$ 996.

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$ 1,097. 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$ 1,089 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$ 1,000 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$ 1,062

Fastest flight time

6h 25m

Direct flights

Mon, Tue, 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$ 1,062. The best round-trip flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is C$ 1,037.
The fastest flight from Ottawa to United Kingdom takes 6h 25m
Direct flights go from Ottawa to United Kingdom on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is Lufthansa.
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$ 694Free CancellationRating
7.7
461 reviews
Search Air Transat flights
LufthansaPriceFrom C$ 698Free CancellationRating
6.8
7,497 reviews
Search Lufthansa flights
Porter AirlinesPriceFrom C$ 724Free CancellationRating
8.0
381 reviews
Search Porter Airlines flights
Air FrancePriceFrom C$ 742Free CancellationRating
7.4
1,476 reviews
Search Air France flights
Virgin AtlanticPriceFrom C$ 744Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
WestJetPriceFrom C$ 782Free CancellationRating
7.2
3,128 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 905Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 910Free CancellationRating
7.1
10,308 reviews
Search Air Canada flights
Aer LingusPriceFrom C$ 1,026Free CancellationRating
7.2
1,341 reviews
Search Aer Lingus flights
KLMPriceFrom C$ 1,202Free CancellationRating
7.7
1,404 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 15/11
Sat 22/11
By creating a price alert you accept our terms of use and privacy policy.

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$ 670
Flights to Edinburghfrom C$ 668
Flights to Manchesterfrom C$ 720
Flights to Glasgowfrom C$ 786
Flights to Birminghamfrom C$ 774
Flights to Belfastfrom C$ 849
Flights to Newcastle upon Tynefrom C$ 901
Flights to Bristolfrom C$ 803
Flights to Aberdeenfrom C$ 953
Flights to Leedsfrom C$ 840
Flights to Liverpoolfrom C$ 694
Flights to Invernessfrom C$ 747