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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 19/1. 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
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Air Transat Logo
15:05 - 09:45
YOW
-
LGW
13h 40m1 stop
Air Transat Logo
11:40 - 00:43
LGW
-
YOW
18h 03m1 stop
£417Air Transat
Fri, 16 Jan - Sat, 21 Feb
Air Transat Logo
18:55 - 07:40
YOW
-
GLA
31h 45m1 stop
Air Transat Logo
09:25 - 16:53
GLA
-
YOW
12h 28m1 stop
£418Air Transat
Fri, 23 Jan - Sun, 8 Feb
Virgin Atlantic Logo
17:35 - 10:30
YOW
-
LHR
11h 55m1 stop
Virgin Atlantic Logo
08:55 - 15:10
LHR
-
YOW
11h 15m1 stop
£434Virgin Atlantic
Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
05:40 - 10:50
YOW
-
LHR
24h 10m2 stops
Multiple Airlines Logo
12:15 - 00:42
LHR
-
YOW
17h 27m2 stops
£463Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
05:40 - 10:50
YOW
-
LHR
24h 10m2 stops
Multiple Airlines Logo
12:15 - 00:39
LHR
-
YOW
16h 24m2 stops
£464Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Air Canada Logo
17:30 - 21:00
YOW
-
LHR
22h 30m1 stop
Air Canada Logo
08:40 - 09:41
LHR
-
YOW
30h 01m2 stops
£476Air Canada
Mon, 18 May - Fri, 29 May
Virgin Atlantic Logo
17:20 - 13:45
YOW
-
LHR
15h 25m1 stop
Virgin Atlantic Logo
09:00 - 15:10
LHR
-
YOW
11h 10m1 stop
£477Virgin Atlantic
Sun, 1 Feb - Sun, 8 Feb
Air Canada Logo
12:15 - 20:35
YOW
-
LHR
27h 20m1 stop
Air Canada Logo
12:00 - 14:30
LHR
-
YOW
7h 30mdirect
£487Air Canada
Fri, 16 Jan - Fri, 23 Jan
United Airlines Logo
09:45 - 07:55
YOW
-
EDI
17h 10m2 stops
United Airlines Logo
09:25 - 16:30
EDI
-
YOW
12h 05m1 stop
£563United Airlines
Wed, 4 Feb - Tue, 24 Feb
United Airlines Logo
09:45 - 07:55
YOW
-
EDI
17h 10m2 stops
United Airlines Logo
09:25 - 21:18
EDI
-
YOW
16h 53m2 stops
£564United Airlines
Wed, 4 Feb - Tue, 24 Feb

Virgin Atlantic flights from Ottawa to United Kingdom

Our best Virgin Atlantic deals on Ottawa to United Kingdom flight tickets
Virgin Atlantic
16 Jan
YOW17:35Ottawa
11h 55m
1 stop
LHR10:30London Heathrow
23 Jan
LHR08:55London Heathrow
11h 15m
1 stop
YOW15:10Ottawa
£434
Find similar
Virgin Atlantic
22 Feb
YOW17:20Ottawa
12h 10m
1 stop
LHR10:30London Heathrow
28 Feb
LHR19:20London Heathrow
24h 50m
1 stop
YOW15:10Ottawa
£497
Find similar
Virgin Atlantic
28 Apr
YOW17:15Ottawa
12h 15m
1 stop
LHR10:30London Heathrow
8 May
LHR06:15London Heathrow
13h 50m
1 stop
YOW15:05Ottawa
£521
Find similar

Air Canada flights from Ottawa to United Kingdom

Our best Air Canada deals on Ottawa to United Kingdom flight tickets
Air Canada
16 Jan
YOW12:15Ottawa
27h 20m
1 stop
LHR20:35London Heathrow
23 Jan
LHR12:00London Heathrow
7h 30m
YOW14:30Ottawa
£487
Find similar
Air Canada
15 Jan
YOW12:15Ottawa
27h 20m
1 stop
LHR20:35London Heathrow
22 Jan
LHR09:00London Heathrow
10h 21m
1 stop
YOW14:21Ottawa
£488
Find similar
Air Canada
16 Jan
YOW21:55Ottawa
6h 25m
LHR09:20London Heathrow
23 Jan
LHR12:00London Heathrow
7h 30m
YOW14:30Ottawa
£490
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 18 December 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

Fri 16/1

15:05-09:45

1 stop13h 40m

London Gatwick

Sat 21/2

11:40-00:43

1 stop18h 03m

£417

OttawaGlasgow

YOW - GLA

YOWGLA

Ottawa

Fri 23/1

18:55-07:40

1 stop31h 45m

Glasgow Intl

Sun 8/2

09:25-16:53

1 stop12h 28m

£418

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 16/1

17:35-10:30

1 stop11h 55m

London Heathrow

Fri 23/1

08:55-15:10

1 stop11h 15m

£434

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 15/1

05:40-10:50

2 stops24h 10m

London Heathrow

Thu 22/1

12:15-00:42

2 stops17h 27m

£463

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 7/3

05:40-10:50

2 stops24h 10m

London Heathrow

Sat 14/3

12:15-00:39

2 stops16h 24m

£464

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 18/5

17:30-21:00

1 stop22h 30m

London Heathrow

Fri 29/5

08:40-09:41

2 stops30h 01m

£476

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 1/2

17:20-13:45

1 stop15h 25m

London Heathrow

Sun 8/2

09:00-15:10

1 stop11h 10m

£477

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 16/1

12:15-20:35

1 stop27h 20m

London Heathrow

Fri 23/1

12:00-14:30

Nonstop7h 30m

£487

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Wed 4/2

09:45-07:55

2 stops17h 10m

Edinburgh Turnhouse

Tue 24/2

09:25-16:30

1 stop12h 05m

£563

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Wed 4/2

09:45-07:55

2 stops17h 10m

Edinburgh Turnhouse

Tue 24/2

09:25-21:18

2 stops16h 53m

£564

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 £483, 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 November is also very affordable. Most momondo users find prices during this month for around £513.

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 £544. 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 £619.

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 £563. Try not to purchase tickets at midday because they tend to be around £667. 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 £573 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 £539 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

Best price found

£483

Fastest flight time

6h 25m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in United Kingdom

1,286 airports
The best flight deal from Ottawa to United Kingdom found on momondo in the last 72 hours is £483
The fastest flight from Ottawa to United Kingdom takes 6h 25m
Direct flights go from Ottawa to United Kingdom on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
There are 1,286 airports in United Kingdom. From Ottawa there are direct flights to 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 £453Free CancellationRating
7.1
10,534 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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