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Cheap flights from Ottawa to the United Kingdom from £191

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 4/11. 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

Logo
05:55 - 10:05YOW-EDI
23h 10m1 stop
Logo
19:15 - 00:22EDI-YOW
34h 07m2 stops
£476
Find Deal
Sun, 14 Sep - Tue, 23 Sep
Logo
05:55 - 10:05YOW-EDI
23h 10m1 stop
Logo
06:55 - 00:22EDI-YOW
22h 27m2 stops
£478
Find Deal
Sun, 14 Sep - Wed, 24 Sep
United Airlines Logo
06:20 - 05:55YOW-LHR
19h 35m1 stop
United Airlines Logo
09:00 - 23:54LHR-YOW
19h 54m2 stops
£484United Airlines
Find Deal
Fri, 31 Oct - Thu, 6 Nov
United Airlines Logo
10:30 - 06:20YOW-LHR
14h 50m2 stops
United Airlines Logo
06:50 - 16:32LHR-YOW
14h 42m2 stops
£487United Airlines
Find Deal
Thu, 13 Nov - Fri, 28 Nov
Porter Airlines Logo
14:20 - 06:50YOW-GLA
11h 30m1 stop
Porter Airlines Logo
08:35 - 17:21GLA-YOW
13h 46m1 stop
£503Porter Airlines
Find Deal
Tue, 16 Sep - Mon, 22 Sep
Air Transat Logo
17:05 - 07:55YOW-LGW
9h 50m1 stop
Air Transat Logo
12:40 - 20:35LGW-YOW
12h 55m1 stop
£526Air Transat
Find Deal
Sun, 17 Aug - Thu, 4 Sep
Air Canada Logo
14:40 - 09:35YOW-LHR
13h 55m1 stop
Air Canada Logo
14:05 - 16:25LHR-YOW
7h 20mdirect
£527Air Canada
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Air Transat Logo
11:20 - 07:55YOW-LGW
15h 35m1 stop
Air Transat Logo
12:40 - 20:01LGW-YOW
12h 21m1 stop
£528Air Transat
Find Deal
Sun, 17 Aug - Thu, 28 Aug
Porter Airlines Logo
14:20 - 07:55YOW-LGW
12h 35m1 stop
Porter Airlines Logo
12:40 - 20:35LGW-YOW
12h 55m1 stop
£530Porter Airlines
Find Deal
Tue, 16 Sep - Mon, 22 Sep
Air Canada Logo
10:00 - 07:20YOW-EDI
16h 20m1 stop
Air Canada Logo
09:00 - 01:34EDI-YOW
21h 34m1 stop
£531Air Canada
Find Deal
Sat, 27 Sep - Sun, 5 Oct

United Airlines flights from Ottawa to United Kingdom

Our best United Airlines deals on Ottawa to United Kingdom flight tickets
United Airlines
31 Oct
YOW06:20Ottawa
19h 35m
1 stop
LHR05:55London Heathrow
6 Nov
LHR09:00London Heathrow
19h 54m
2 stops
YOW23:54Ottawa
£484
Find similar
United Airlines
13 Nov
YOW10:30Ottawa
14h 50m
2 stops
LHR06:20London Heathrow
28 Nov
LHR06:50London Heathrow
14h 42m
2 stops
YOW16:32Ottawa
£487
Find similar
United Airlines
9 Sept
YOW17:50Ottawa
11h 20m
1 stop
LHR10:10London Heathrow
24 Sept
LHR06:50London Heathrow
14h 53m
2 stops
YOW16:43Ottawa
£489
Find similar

Lufthansa flights from Ottawa to United Kingdom

Our best Lufthansa deals on Ottawa to United Kingdom flight tickets
Lufthansa
6 Oct
YOW18:40Ottawa
9h 55m
1 stop
LHR09:35London Heathrow
23 Oct
LHR09:30London Heathrow
17h 34m
1 stop
YOW22:04Ottawa
£529
Find similar
Lufthansa
8 Oct
YOW21:00Ottawa
6h 35m
LHR08:35London Heathrow
15 Oct
LHR12:40London Heathrow
7h 20m
YOW15:00Ottawa
£530
Find similar
Lufthansa
21 Oct
YOW18:40Ottawa
9h 55m
1 stop
LHR09:35London Heathrow
25 Oct
LHR12:40London Heathrow
7h 20m
YOW15:00Ottawa
£531
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 1 August 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

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sun 14/9

05:55-10:05

1 stop23h 10m

Edinburgh Turnhouse

Tue 23/9

19:15-00:22

2 stops34h 07m

£476

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sun 14/9

05:55-10:05

1 stop23h 10m

Edinburgh Turnhouse

Wed 24/9

06:55-00:22

2 stops22h 27m

£478

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 31/10

06:20-05:55

1 stop19h 35m

London Heathrow

Thu 6/11

09:00-23:54

2 stops19h 54m

£484

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 13/11

10:30-06:20

2 stops14h 50m

London Heathrow

Fri 28/11

06:50-16:32

2 stops14h 42m

£487

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 16/9

14:20-06:50

1 stop11h 30m

Glasgow Intl

Mon 22/9

08:35-17:21

1 stop13h 46m

£503

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 17/8

17:05-07:55

1 stop9h 50m

London Gatwick

Thu 4/9

12:40-20:35

1 stop12h 55m

£526

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 9/10

14:40-09:35

1 stop13h 55m

London Heathrow

Mon 13/10

14:05-16:25

Nonstop7h 20m

£527

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 17/8

11:20-07:55

1 stop15h 35m

London Gatwick

Thu 28/8

12:40-20:01

1 stop12h 21m

£528

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 16/9

14:20-07:55

1 stop12h 35m

London Gatwick

Mon 22/9

12:40-20:35

1 stop12h 55m

£530

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sat 27/9

10:00-07:20

1 stop16h 20m

Edinburgh Turnhouse

Sun 5/10

09:00-01:34

1 stop21h 34m

£531

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 £536.

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 £549. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to United Kingdom for around £600.

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 afternoon when flights can be purchased for as low as £549. Try not to purchase tickets at midday because they tend to be around £674. 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 £587 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 £543 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 9% 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

£191

Fastest flight time

6h 35m

Direct flights

Tue, Thu, Fri and Sun

Airports in United Kingdom

8 airports
The best one-way flight to United Kingdom from Ottawa in the past 72 hours is £191. The best return flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is £476.
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. Airlines offering direct flights are: Lufthansa and Air Canada..
There are 8 airports near United Kingdom: London City (LCY), London Heathrow (LHR), London Luton (LTN), Manchester (MAN), Edinburgh Turnhouse (EDI), London Stansted (STN), London Gatwick (LGW), Glasgow Intl (GLA)
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  • 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 £487Free CancellationRating
7.1
9,851 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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