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Cheap flights from the United Kingdom to Ottawa from £205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Ottawa departing on 17/3. 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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Find the cheapest flights from the United Kingdom to Ottawa

Recent return flight deals from the United Kingdom to Ottawa

Enter your travel dates to find the best prices.
Air Canada Logo
12:00 - 14:30
LHR
-
YOW
7h 30mdirect
Air Canada Logo
20:25 - 20:35
YOW
-
LHR
19h 10m2 stops
£476Air Canada
Sun, 15 Feb - Sat, 21 Feb
Multiple Airlines Logo
13:25 - 13:18
LHR
-
YOW
28h 53m2 stops
Multiple Airlines Logo
16:00 - 07:10
YOW
-
LHR
10h 10m1 stop
£479Multiple Airlines
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
06:00 - 18:38
LHR
-
YOW
17h 38m2 stops
Multiple Airlines Logo
14:05 - 06:30
YOW
-
LHR
11h 25m1 stop
£481Multiple Airlines
Sun, 18 Jan - Sun, 25 Jan
Air Transat Logo
11:40 - 18:28
LGW
-
YOW
11h 48m1 stop
Air Transat Logo
18:55 - 09:45
YOW
-
LGW
9h 50m1 stop
£484Air Transat
Mon, 12 Jan - Wed, 21 Jan
Air France Logo
14:45 - 00:39
LHR
-
YOW
14h 54m2 stops
Air France Logo
17:30 - 18:20
YOW
-
LHR
19h 50m1 stop
£485Air France
Mon, 2 Feb - Fri, 13 Feb
Air Transat Logo
11:40 - 08:25
LGW
-
YOW
25h 45m1 stop
Air Transat Logo
10:00 - 09:45
YOW
-
LGW
18h 45m1 stop
£486Air Transat
Sun, 18 Jan - Sun, 25 Jan
Air France Logo
06:20 - 15:10
LHR
-
YOW
13h 50m1 stop
Air France Logo
17:45 - 16:35
YOW
-
LHR
17h 50m1 stop
£487Air France
Thu, 25 Dec - Sun, 11 Jan
KLM Logo
07:45 - 15:05
LCY
-
YOW
12h 20m2 stops
KLM Logo
17:15 - 09:30
YOW
-
LCY
11h 15m2 stops
£556KLM
Tue, 12 May - Fri, 15 May
Virgin Atlantic Logo
06:35 - 15:05
NCL
-
YOW
13h 30m1 stop
Virgin Atlantic Logo
17:15 - 10:35
YOW
-
NCL
12h 20m1 stop
£583Virgin Atlantic
Thu, 23 Apr - Tue, 28 Apr
KLM Logo
10:00 - 00:42
LBA
-
YOW
19h 42m2 stops
KLM Logo
05:40 - 09:30
YOW
-
LBA
22h 50m2 stops
£598KLM
Tue, 20 Jan - Tue, 27 Jan

Virgin Atlantic flights from United Kingdom to Ottawa

Our best Virgin Atlantic deals on United Kingdom to Ottawa flight tickets
Virgin Atlantic
20 Jan
MAN06:00Manchester
14h 10m
1 stop
YOW15:10Ottawa
27 Jan
YOW17:20Ottawa
17h 45m
1 stop
MAN16:05Manchester
£546
Find similar
Virgin Atlantic
23 Apr
NCL06:35Newcastle upon Tyne
13h 30m
1 stop
YOW15:05Ottawa
28 Apr
YOW17:15Ottawa
12h 20m
1 stop
NCL10:35Newcastle upon Tyne
£582
Find similar
Virgin Atlantic
10 Dec
LHR08:55London Heathrow
11h 15m
1 stop
YOW15:10Ottawa
18 Dec
YOW17:20Ottawa
9h 35m
1 stop
LHR07:55London Heathrow
£948
Find similar

KLM flights from United Kingdom to Ottawa

Our best KLM deals on United Kingdom to Ottawa flight tickets
KLM
12 May
LCY07:45London City
12h 20m
2 stops
YOW15:05Ottawa
15 May
YOW17:15Ottawa
11h 15m
2 stops
LCY09:30London City
£556
Find similar
KLM
20 Jan
MAN13:40Manchester
16h 02m
2 stops
YOW00:42Ottawa
27 Jan
YOW17:20Ottawa
14h 25m
2 stops
MAN12:45Manchester
£580
Find similar
KLM
20 Jan
LBA10:00Leeds/Bradford
19h 42m
2 stops
YOW00:42Ottawa
27 Jan
YOW05:40Ottawa
22h 50m
2 stops
LBA09:30Leeds/Bradford
£598
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Ottawa 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 6 December 2025.
Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 15/2

12:00-14:30

Nonstop7h 30m

Ottawa

Sat 21/2

20:25-20:35

2 stops19h 10m

£476

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 15/1

13:25-13:18

2 stops28h 53m

Ottawa

Mon 19/1

16:00-07:10

1 stop10h 10m

£479

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 18/1

06:00-18:38

2 stops17h 38m

Ottawa

Sun 25/1

14:05-06:30

1 stop11h 25m

£481

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 12/1

11:40-18:28

1 stop11h 48m

Ottawa

Wed 21/1

18:55-09:45

1 stop9h 50m

£484

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 2/2

14:45-00:39

2 stops14h 54m

Ottawa

Fri 13/2

17:30-18:20

1 stop19h 50m

£485

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sun 18/1

11:40-08:25

1 stop25h 45m

Ottawa

Sun 25/1

10:00-09:45

1 stop18h 45m

£486

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 25/12

06:20-15:10

1 stop13h 50m

Ottawa

Sun 11/1

17:45-16:35

1 stop17h 50m

£487

LondonOttawa

LCY - YOW

LCYYOW

London City

Tue 12/5

07:45-15:05

2 stops12h 20m

Ottawa

Fri 15/5

17:15-09:30

2 stops11h 15m

£556

Newcastle upon TyneOttawa

NCL - YOW

NCLYOW

Newcastle upon Tyne

Thu 23/4

06:35-15:05

1 stop13h 30m

Ottawa

Tue 28/4

17:15-10:35

1 stop12h 20m

£582

LeedsOttawa

LBA - YOW

LBAYOW

Leeds/Bradford

Tue 20/1

10:00-00:42

2 stops19h 42m

Ottawa

Tue 27/1

05:40-09:30

2 stops22h 50m

£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 Ottawa from

How to get the cheapest flight ticket from United Kingdom to Ottawa

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 Ottawa?

In general, January is the cheapest month to fly from United Kingdom to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £472. If you aren’t able to travel during the month of January, then book flights to Ottawa from United Kingdom during March instead. Flights to Ottawa in March, while not as cheap as those in January, still average around £492.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart on your flight to Ottawa is on a Friday when prices can be found for as low as £544. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £642. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

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

Flying to Ottawa from United Kingdom in the evening is the least expensive time of day to depart. momondo users have found prices as low as £481 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around £578 per ticket.

What is the cheapest United Kingdom to Ottawa flight route?

Fly from London Heathrow to Ottawa for the best United Kingdom - Ottawa flight prices

How far in advance should I book a flight to Ottawa?

You are more likely to see cheaper flights to Ottawa from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around £553 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from United Kingdom for as low as £377 on momondo.

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

There are 3 cabin classes available to choose from on United Kingdom to Ottawa 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 United Kingdom to Ottawa flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Ottawa.

Cheap United Kingdom to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Ottawa

Best price found

£521

Fastest flight time

7h 30m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from United Kingdom in the past 72 hours is £521. The best return flight deal from United Kingdom to Ottawa found on momondo in the last 72 hours is £517.
The fastest flight from United Kingdom to Ottawa takes 7h 30m
Direct flights go from United Kingdom to Ottawa on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Ottawa: Ottawa (YOW)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Ottawa Airport?

    Prices for flights from United Kingdom to Ottawa Airport were last updated today.

  • How many operators does momondo search for flights from United Kingdom to Ottawa Airport?

  • How old do you have to be to fly from United Kingdom to Ottawa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Ottawa?

Best airlines flying from United Kingdom to Ottawa

Compare and see reviews for airlines that fly from United Kingdom to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £306Free CancellationRating
7.1
10,512 reviews
Search Air Canada flights
United AirlinesPriceFrom £338Free CancellationRating
7.4
9,072 reviews
Search United Airlines flights
KLMPriceFrom £354Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Air FrancePriceFrom £364Free CancellationRating
7.4
1,502 reviews
Search Air France flights
Virgin AtlanticPriceFrom £372Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Air TransatPriceFrom £411Free CancellationRating
7.8
480 reviews
Search Air Transat flights
LufthansaPriceFrom £455Free CancellationRating
6.8
7,617 reviews
Search Lufthansa flights

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Smiths Falls

Why use momondo?

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

It is quick and easy to find United Kingdom to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

Yes. momondo enables you to select and highlight flights to Ottawa from United Kingdom with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from United Kingdom.

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

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

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