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Cheap flights from Ottawa to the United Kingdom from £193

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 2/2. 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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0 bags

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Find the cheapest flights from Ottawa to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:55 - 09:20YOW-LHR
6h 25mdirect
Multiple Airlines Logo
09:00 - 17:42LHR-YOW
13h 42m2 stops
£487Multiple Airlines
Find Deal
Fri, 16 Jan - Fri, 23 Jan
Air Canada Logo
21:55 - 09:20YOW-LHR
6h 25mdirect
Air Canada Logo
12:00 - 14:30LHR-YOW
7h 30mdirect
£488Air Canada
Find Deal
Fri, 14 Nov - Fri, 21 Nov
Air Canada Logo
10:50 - 07:10YOW-LHR
15h 20m1 stop
Air Canada Logo
09:00 - 09:42LHR-YOW
29h 42m2 stops
£489Air Canada
Find Deal
Sat, 29 Nov - Sat, 6 Dec
Air Transat Logo
15:05 - 09:45YOW-LGW
13h 40m1 stop
Air Transat Logo
11:40 - 18:24LGW-YOW
11h 44m1 stop
£490Air Transat
Find Deal
Thu, 20 Nov - Sun, 30 Nov
Air Transat Logo
06:45 - 09:45YOW-LGW
22h 00m1 stop
Air Transat Logo
11:40 - 18:25LGW-YOW
11h 45m1 stop
£490Air Transat
Find Deal
Thu, 20 Nov - Tue, 2 Dec
Multiple Airlines Logo
10:20 - 07:10YOW-LHR
15h 50m2 stops
Multiple Airlines Logo
07:00 - 17:42LHR-YOW
15h 42m2 stops
£492Multiple Airlines
Find Deal
Fri, 28 Nov - Sun, 7 Dec
Lufthansa Logo
21:55 - 09:20YOW-LHR
6h 25mdirect
Lufthansa Logo
12:00 - 14:30LHR-YOW
7h 30mdirect
£503Lufthansa
Find Deal
Fri, 21 Nov - Sun, 30 Nov
Lufthansa Logo
14:05 - 11:20YOW-LHR
16h 15m1 stop
Lufthansa Logo
07:40 - 18:38LHR-YOW
15h 58m2 stops
£506Lufthansa
Find Deal
Mon, 2 Mar - Fri, 6 Mar
SWISS Logo
18:20 - 13:00YOW-LHR
37h 40m2 stops
SWISS Logo
09:00 - 22:18LHR-YOW
18h 18m2 stops
£522SWISS
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Fri, 16 Jan - Fri, 23 Jan
SWISS Logo
18:20 - 08:20YOW-MAN
33h 00m2 stops
SWISS Logo
14:05 - 19:22MAN-YOW
34h 17m2 stops
£557SWISS
Find Deal
Sun, 16 Nov - Mon, 24 Nov

Air Canada flights from Ottawa to United Kingdom

Our best Air Canada deals on Ottawa to United Kingdom flight tickets
Air Canada
14 Nov
YOW21:55Ottawa
6h 25m
LHR09:20London Heathrow
21 Nov
LHR12:00London Heathrow
7h 30m
YOW14:30Ottawa
£488
Find similar
Air Canada
29 Nov
YOW10:50Ottawa
15h 20m
1 stop
LHR07:10London Heathrow
6 Dec
LHR09:00London Heathrow
29h 42m
2 stops
YOW09:42Ottawa
£489
Find similar
Air Canada
12 Nov
YOW10:30Ottawa
15h 40m
2 stops
LHR07:10London Heathrow
16 Nov
LHR06:50London Heathrow
12h 17m
2 stops
YOW14:07Ottawa
£495
Find similar

Lufthansa flights from Ottawa to United Kingdom

Our best Lufthansa deals on Ottawa to United Kingdom flight tickets
Lufthansa
21 Nov
YOW21:55Ottawa
6h 25m
LHR09:20London Heathrow
30 Nov
LHR12:00London Heathrow
7h 30m
YOW14:30Ottawa
£503
Find similar
Lufthansa
2 Mar
YOW14:05Ottawa
16h 15m
1 stop
LHR11:20London Heathrow
6 Mar
LHR07:40London Heathrow
15h 58m
2 stops
YOW18:38Ottawa
£506
Find similar
Lufthansa
2 Mar
YOW14:05Ottawa
16h 15m
1 stop
LHR11:20London Heathrow
6 Mar
LHR12:00London Heathrow
7h 30m
YOW14:30Ottawa
£512
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 3 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

Fri 16/1

21:55-09:20

Nonstop6h 25m

London Heathrow

Fri 23/1

09:00-17:42

2 stops13h 42m

£487

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 14/11

21:55-09:20

Nonstop6h 25m

London Heathrow

Fri 21/11

12:00-14:30

Nonstop7h 30m

£488

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 29/11

10:50-07:10

1 stop15h 20m

London Heathrow

Sat 6/12

09:00-09:42

2 stops29h 42m

£489

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 20/11

15:05-09:45

1 stop13h 40m

London Gatwick

Sun 30/11

11:40-18:24

1 stop11h 44m

£490

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 20/11

06:45-09:45

1 stop22h 00m

London Gatwick

Tue 2/12

11:40-18:25

1 stop11h 45m

£490

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 28/11

10:20-07:10

2 stops15h 50m

London Heathrow

Sun 7/12

07:00-17:42

2 stops15h 42m

£492

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 21/11

21:55-09:20

Nonstop6h 25m

London Heathrow

Sun 30/11

12:00-14:30

Nonstop7h 30m

£503

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 2/3

14:05-11:20

1 stop16h 15m

London Heathrow

Fri 6/3

07:40-18:38

2 stops15h 58m

£506

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 16/1

18:20-13:00

2 stops37h 40m

London Heathrow

Fri 23/1

09:00-22:18

2 stops18h 18m

£522

OttawaManchester

YOW - MAN

YOWMAN

Ottawa

Sun 16/11

18:20-08:20

2 stops33h 00m

Manchester

Mon 24/11

14:05-19:22

2 stops34h 17m

£557

Flights are sorted by cheapest return 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?

The cheapest month to fly to United Kingdom from Ottawa is in February. Flight prices, which tend to average around £496, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Ottawa during the month March is also very affordable. Most momondo users find prices during this month for around £539.

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

The cheapest day to depart from Ottawa to United Kingdom is on a Monday. Travellers who choose to depart for United Kingdom on a Monday will often find tickets for as low as £553. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to United Kingdom for around £629.

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

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £583. Try not to purchase tickets at midday because they tend to be around £678. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £589 when searching weeks before you fly. 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 £541 on momondo.

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

There are 2 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 18% 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

£553

Fastest flight time

6h 25m

Direct flights

Mon, Thu and Sat

Airports in United Kingdom

1 airport
The best flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is £553
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 refresh daily.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 CanadaPriceFrom £461Free CancellationRating
7.1
10,392 reviews
Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to United Kingdom from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ottawa to United Kingdom?

momondo helps you find the best flight between Ottawa and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Ottawa and alert you when they change.

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