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Cheap flights from Ottawa to the United Kingdom from £192

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 30/3. 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
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:25 - 09:40
YOW
-
GLA
10h 15m
1 stop
Multiple Airlines Logo
22:35 - 00:20
GLA
-
YOW
30h 45m
2 stops
£379Multiple Airlines
Fri, 15 May - Wed, 27 May
Multiple Airlines Logo
18:25 - 09:40
YOW
-
GLA
10h 15m
1 stop
Multiple Airlines Logo
21:45 - 17:35
GLA
-
YOW
24h 50m
2 stops
£380Multiple Airlines
Fri, 15 May - Mon, 25 May
Air Transat Logo
10:00 - 09:45
YOW
-
LGW
18h 45m
1 stop
Air Transat Logo
11:40 - 18:23
LGW
-
YOW
11h 43m
1 stop
£394Air Transat
Wed, 25 Feb - Wed, 4 Mar
Air Transat Logo
10:00 - 09:45
YOW
-
LGW
18h 45m
1 stop
Air Transat Logo
11:40 - 18:23
LGW
-
YOW
11h 43m
1 stop
£394Air Transat
Wed, 25 Feb - Wed, 4 Mar
WestJet Logo
18:25 - 09:40
YOW
-
GLA
10h 15m
1 stop
WestJet Logo
11:00 - 17:35
GLA
-
YOW
11h 35m
1 stop
£439WestJet
Tue, 26 May - Mon, 22 Jun
WestJet Logo
18:25 - 09:40
YOW
-
GLA
10h 15m
1 stop
WestJet Logo
11:00 - 17:35
GLA
-
YOW
11h 35m
1 stop
£440WestJet
Fri, 15 May - Thu, 28 May
Air Canada Logo
17:30 - 21:00
YOW
-
LHR
22h 30m
1 stop
Air Canada Logo
14:05 - 09:41
LHR
-
YOW
24h 36m
1 stop
£457Air Canada
Mon, 25 May - Sun, 7 Jun
Air Canada Logo
20:00 - 11:50
YOW
-
LHR
10h 50m
1 stop
Air Canada Logo
12:40 - 08:28
LHR
-
YOW
24h 48m
1 stop
£461Air Canada
Sun, 31 May - Sun, 14 Jun
SWISS Logo
16:15 - 12:55
YOW
-
LCY
15h 40m
2 stops
SWISS Logo
09:15 - 18:38
LCY
-
YOW
14h 23m
2 stops
£562SWISS
Mon, 23 Feb - Tue, 3 Mar
SWISS Logo
14:50 - 08:40
YOW
-
LCY
13h 50m
2 stops
SWISS Logo
19:15 - 17:36
LCY
-
YOW
27h 21m
2 stops
£598SWISS
Mon, 9 Mar - Tue, 31 Mar

Air Canada flights from Ottawa to United Kingdom

Our best Air Canada deals on Ottawa to United Kingdom flight tickets
Air Canada
25 May
YOW17:30Ottawa
22h 30m
1 stop
LHR21:00London Heathrow
7 Jun
LHR14:05London Heathrow
24h 36m
1 stop
YOW09:41Ottawa
£457
Air Canada
31 May
YOW20:00Ottawa
10h 50m
1 stop
LHR11:50London Heathrow
14 Jun
LHR12:40London Heathrow
24h 48m
1 stop
YOW08:28Ottawa
£461
Air Canada
25 May
YOW19:15Ottawa
20h 45m
2 stops
LHR21:00London Heathrow
7 Jun
LHR09:30London Heathrow
15h 21m
2 stops
YOW19:51Ottawa
£462

United Airlines flights from Ottawa to United Kingdom

Our best United Airlines deals on Ottawa to United Kingdom flight tickets
United Airlines
16 May
YOW17:50Ottawa
35h 50m
2 stops
LHR10:40London Heathrow
30 May
LHR11:05London Heathrow
34h 10m
2 stops
YOW16:15Ottawa
£497
United Airlines
4 Feb
YOW14:15Ottawa
12h 40m
2 stops
EDI07:55Edinburgh Turnhouse
24 Feb
EDI09:25Edinburgh Turnhouse
12h 05m
1 stop
YOW16:30Ottawa
£562
United Airlines
4 Feb
YOW09:45Ottawa
17h 10m
2 stops
EDI07:55Edinburgh Turnhouse
24 Feb
EDI09:25Edinburgh Turnhouse
16h 53m
2 stops
YOW21:18Ottawa
£566

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 2 February 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

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 15/5

18:25-09:40

1 stop10h 15m

Glasgow Intl

Wed 27/5

22:35-00:20

2 stops30h 45m

£379

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 15/5

18:25-09:40

1 stop10h 15m

Glasgow Intl

Mon 25/5

21:45-17:35

2 stops24h 50m

£380

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 25/2

10:00-09:45

1 stop18h 45m

London Gatwick

Wed 4/3

11:40-18:23

1 stop11h 43m

£394

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 25/2

10:00-09:45

1 stop18h 45m

London Gatwick

Wed 4/3

11:40-18:23

1 stop11h 43m

£394

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Tue 26/5

18:25-09:40

1 stop10h 15m

Glasgow Intl

Mon 22/6

11:00-17:35

1 stop11h 35m

£439

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 15/5

18:25-09:40

1 stop10h 15m

Glasgow Intl

Thu 28/5

11:00-17:35

1 stop11h 35m

£440

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 25/5

17:30-21:00

1 stop22h 30m

London Heathrow

Sun 7/6

14:05-09:41

1 stop24h 36m

£457

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 31/5

20:00-11:50

1 stop10h 50m

London Heathrow

Sun 14/6

12:40-08:28

1 stop24h 48m

£461

OttawaLondon

YOW - LCY

YOWLCY

Ottawa

Mon 23/2

16:15-12:55

2 stops15h 40m

London City

Tue 3/3

09:15-18:38

2 stops14h 23m

£562

OttawaLondon

YOW - LCY

YOWLCY

Ottawa

Mon 9/3

14:50-08:40

2 stops13h 50m

London City

Tue 31/3

19:15-17:36

2 stops27h 21m

£598

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 £480, 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 January is also very affordable. Most momondo users find prices during this month for around £495.

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 £531. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to United Kingdom for around £978.

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 £560. Try not to purchase tickets in the afternoon because they tend to be around £592. 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 £560 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 £527 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 62% 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

Fastest flight time

6h 25m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
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 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 £470Free CancellationRating
7.1
10,676 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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Find better results for your trip to the United Kingdom

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