Cheap flights from the United Kingdom to Ottawa from £214

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 14/3. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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 Transat Logo
11:40 - 00:43LGW-YOW
18h 03m1 stop
Air Transat Logo
15:05 - 09:45YOW-LGW
13h 40m1 stop
£482Air Transat
Find Deal
Sat, 7 Feb - Wed, 11 Feb
Air Transat Logo
11:40 - 00:43LGW-YOW
18h 03m1 stop
Air Transat Logo
10:00 - 09:45YOW-LGW
18h 45m1 stop
£487Air Transat
Find Deal
Mon, 26 Jan - Sat, 31 Jan
Air Canada Logo
09:00 - 17:43LHR-YOW
13h 43m1 stop
Air Canada Logo
14:05 - 07:10YOW-LHR
12h 05m2 stops
£487Air Canada
Find Deal
Sun, 15 Feb - Mon, 23 Feb
Air France Logo
19:20 - 15:10LHR-YOW
24h 50m1 stop
Air France Logo
17:20 - 18:20YOW-LHR
20h 00m1 stop
£488Air France
Find Deal
Sun, 15 Feb - Mon, 23 Feb
Lufthansa Logo
09:50 - 23:08LCY-YOW
18h 18m2 stops
Lufthansa Logo
18:05 - 17:40YOW-LCY
42h 35m2 stops
£488Lufthansa
Find Deal
Wed, 4 Feb - Sun, 8 Feb
Air Canada Logo
18:00 - 01:38LHR-YOW
12h 38m1 stop
Air Canada Logo
19:25 - 11:20YOW-LHR
10h 55m1 stop
£489Air Canada
Find Deal
Fri, 13 Feb - Thu, 19 Feb
Air France Logo
17:35 - 15:10LHR-YOW
26h 35m1 stop
Air France Logo
17:35 - 18:20YOW-LHR
19h 45m1 stop
£490Air France
Find Deal
Tue, 23 Dec - Wed, 14 Jan
Lufthansa Logo
18:10 - 17:18LCY-YOW
52h 08m2 stops
Lufthansa Logo
18:20 - 17:40YOW-LCY
42h 20m2 stops
£498Lufthansa
Find Deal
Wed, 28 Jan - Sun, 1 Feb
Virgin Atlantic Logo
19:40 - 15:10MAN-YOW
24h 30m1 stop
Virgin Atlantic Logo
17:20 - 10:10YOW-MAN
11h 50m1 stop
£652Virgin Atlantic
Find Deal
Wed, 24 Dec - Mon, 29 Dec
Virgin Atlantic Logo
06:00 - 15:10MAN-YOW
14h 10m1 stop
Virgin Atlantic Logo
17:20 - 21:30YOW-MAN
23h 10m1 stop
£705Virgin Atlantic
Find Deal
Thu, 25 Dec - Thu, 1 Jan

Air Transat flights from United Kingdom to Ottawa

Our best Air Transat deals on United Kingdom to Ottawa flight tickets
Air Transat
26 Jan
LGW11:40London Gatwick
18h 03m
1 stop
YOW00:43Ottawa
31 Jan
YOW10:00Ottawa
18h 45m
1 stop
LGW09:45London Gatwick
Air Transat
16 Feb
LGW11:40London Gatwick
11h 53m
1 stop
YOW18:33Ottawa
23 Feb
YOW18:55Ottawa
9h 50m
1 stop
LGW09:45London Gatwick
Air Transat
15 Feb
LGW11:40London Gatwick
11h 53m
1 stop
YOW18:33Ottawa
8 Mar
YOW15:05Ottawa
14h 40m
1 stop
LGW09:45London Gatwick

Air Canada flights from United Kingdom to Ottawa

Our best Air Canada deals on United Kingdom to Ottawa flight tickets
Air Canada
15 Feb
LHR09:00London Heathrow
13h 43m
1 stop
YOW17:43Ottawa
23 Feb
YOW14:05Ottawa
12h 05m
2 stops
LHR07:10London Heathrow
Air Canada
8 Dec
LHR09:00London Heathrow
10h 21m
1 stop
YOW14:21Ottawa
23 Feb
YOW10:30Ottawa
15h 40m
2 stops
LHR07:10London Heathrow
Air Canada
13 Feb
LHR18:00London Heathrow
12h 38m
1 stop
YOW01:38Ottawa
19 Feb
YOW19:25Ottawa
10h 55m
1 stop
LHR11:20London Heathrow

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 29 November 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

LGW - YOW

LGWYOW

London Gatwick

Sat 7/2

11:40-00:43

1 stop18h 03m

Ottawa

Wed 11/2

15:05-09:45

1 stop13h 40m

£482

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 26/1

11:40-00:43

1 stop18h 03m

Ottawa

Sat 31/1

10:00-09:45

1 stop18h 45m

£487

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 15/2

09:00-17:43

1 stop13h 43m

Ottawa

Mon 23/2

14:05-07:10

2 stops12h 05m

£487

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 15/2

19:20-15:10

1 stop24h 50m

Ottawa

Mon 23/2

17:20-18:20

1 stop20h 00m

£488

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 4/2

09:50-23:08

2 stops18h 18m

Ottawa

Sun 8/2

18:05-17:40

2 stops42h 35m

£488

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 13/2

18:00-01:38

1 stop12h 38m

Ottawa

Thu 19/2

19:25-11:20

1 stop10h 55m

£489

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 23/12

17:35-15:10

1 stop26h 35m

Ottawa

Wed 14/1

17:35-18:20

1 stop19h 45m

£490

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 28/1

18:10-17:18

2 stops52h 08m

Ottawa

Sun 1/2

18:20-17:40

2 stops42h 20m

£498

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Wed 24/12

19:40-15:10

1 stop24h 30m

Ottawa

Mon 29/12

17:20-10:10

1 stop11h 50m

£652

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

Thu 25/12

06:00-15:10

1 stop14h 10m

Ottawa

Thu 1/1

17:20-21:30

1 stop23h 10m

£705

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £476. If you aren’t able to travel during the month of January, then book flights to Ottawa from United Kingdom during February instead. Flights to Ottawa in February, 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 Monday when prices can be found for as low as £556. 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 £648. 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 £485 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 £584 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 £558 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 £380 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?

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to Ottawa flight.

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

£525

Fastest flight time

7h 30m

Direct flights

Mon, 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 £525. The best return flight deal from United Kingdom to Ottawa found on momondo in the last 72 hours is £522.
The fastest flight from United Kingdom to Ottawa takes 7h 30m
Direct flights go from United Kingdom to Ottawa on Monday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Ottawa: Ottawa (YOW)
  • 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 £309Free CancellationRating
7.1
10,484 reviews
Search Air Canada flights
United AirlinesPriceFrom £341Free CancellationRating
7.4
9,057 reviews
Search United Airlines flights
KLMPriceFrom £357Free CancellationRating
7.7
1,424 reviews
Search KLM flights
Air FrancePriceFrom £367Free CancellationRating
7.4
1,500 reviews
Search Air France flights
Virgin AtlanticPriceFrom £375Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Air TransatPriceFrom £414Free CancellationRating
7.8
479 reviews
Search Air Transat flights
LufthansaPriceFrom £459Free CancellationRating
6.8
7,598 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.

An easier way to manage your Ottawa trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 29/12
Mon 5/1

Find better results for your trip to Canada