Which airlines fly to Ottawa?

Air Canada, Air Transat, Lufthansa and British Airways are the most popular airlines that fly from United Kingdom to Ottawa on a routine basis, according to our data. You should be able to find flights to Ottawa with these airlines and other airlines flying from United Kingdom.

KLM Flights to Ottawa

KLM will jet to Ottawa around 7 times in an average week. Where you fly from will dictate what kind of deals you can get for KLM, but prices as low as £351 have been found from Bristol to Ottawa. KLM has scored 7.7/10 in momondo user reviews.

Virgin Atlantic Flights to Ottawa

Virgin Atlantic (7.5/10, 670 reviews) is also a popular choice for flights to Ottawa, with deals from as low as £369 from Birmingham, round-trip. With 4 Virgin Atlantic flights to Ottawa on average each week, prices can vary significantly by origin and availability.

How long does it take to fly to Ottawa?

Flight times from United Kingdom to Ottawa vary, but if you’re flying out of London Heathrow and flying into Montreal Pierre Elliott Trudeau Intl (one of the most popular routes), then the duration is 7h 10m on average. Another popular route from United Kingdom to Ottawa is flying from Manchester to Montreal Pierre Elliott Trudeau Intl, which will take roughly 13h 20m. Keep in mind that layovers or delays could extend your travel time.

£263 Cheap Flights to Ottawa in 2025/26

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Find the cheapest flights from the United Kingdom to Ottawa

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Cheap return flights

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06:50 - 14:07LHR-YOW

12h 17m2 stops

16:10 - 20:35YOW-LHR

23h 25m2 stops

£406Air Canada

Find Deal

Sun, 9 Nov - Mon, 24 Nov

11:10 - 22:18LHR-YOW

16h 08m2 stops

10:20 - 07:10YOW-LHR

15h 50m2 stops

£412Multiple Airlines

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Wed, 12 Nov - Wed, 19 Nov

07:40 - 22:18LHR-YOW

19h 38m2 stops

21:55 - 09:20YOW-LHR

6h 25mdirect

£440Lufthansa

Find Deal

Wed, 12 Nov - Wed, 19 Nov

06:35 - 18:38LHR-YOW

17h 03m2 stops

21:55 - 09:20YOW-LHR

6h 25mdirect

£446Lufthansa

Find Deal

Thu, 20 Nov - Sun, 23 Nov

11:40 - 00:39LGW-YOW

17h 59m1 stop

10:00 - 09:45YOW-LGW

18h 45m1 stop

£466Air Transat

Find Deal

Wed, 19 Nov - Wed, 26 Nov

09:00 - 15:10LHR-YOW

11h 10m1 stop

17:20 - 18:20YOW-LHR

20h 00m1 stop

£468Virgin Atlantic

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Thu, 6 Nov - Thu, 13 Nov

06:20 - 15:10LHR-YOW

13h 50m1 stop

17:20 - 08:00YOW-LHR

9h 40m1 stop

£470Air France

Find Deal

Fri, 7 Nov - Fri, 14 Nov

09:00 - 16:10LHR-YOW

11h 10m1 stop

17:20 - 08:00YOW-LHR

9h 40m1 stop

£471Air France

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Fri, 31 Oct - Sun, 9 Nov

11:40 - 00:39LGW-YOW

17h 59m1 stop

18:55 - 09:45YOW-LGW

9h 50m1 stop

£476Air Transat

Find Deal

Thu, 20 Nov - Sun, 23 Nov

18:40 - 16:10BHX-YOW

25h 30m1 stop

17:15 - 09:30YOW-BHX

11h 15m1 stop

£1,144Virgin Atlantic

Find Deal

Wed, 25 Mar - Sun, 29 Mar

Fly from

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 9/11

06:50-14:07

2 stops12h 17m

Ottawa

Mon 24/11

16:10-20:35

2 stops23h 25m

£406

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 12/11

11:10-22:18

2 stops16h 08m

Ottawa

Wed 19/11

10:20-07:10

2 stops15h 50m

£412

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 12/11

07:40-22:18

2 stops19h 38m

Ottawa

Wed 19/11

21:55-09:20

Nonstop6h 25m

£440

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 20/11

06:35-18:38

2 stops17h 03m

Ottawa

Sun 23/11

21:55-09:20

Nonstop6h 25m

£446

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 19/11

11:40-00:39

1 stop17h 59m

Ottawa

Wed 26/11

10:00-09:45

1 stop18h 45m

£466

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 6/11

09:00-15:10

1 stop11h 10m

Ottawa

Thu 13/11

17:20-18:20

1 stop20h 00m

£468

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 7/11

06:20-15:10

1 stop13h 50m

Ottawa

Fri 14/11

17:20-08:00

1 stop9h 40m

£470

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 31/10

09:00-16:10

1 stop11h 10m

Ottawa

Sun 9/11

17:20-08:00

1 stop9h 40m

£471

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 20/11

11:40-00:39

1 stop17h 59m

Ottawa

Sun 23/11

18:55-09:45

1 stop9h 50m

£476

BirminghamOttawa

BHX - YOW

BHXYOW

Birmingham

Wed 25/3

18:40-16:10

1 stop25h 30m

Ottawa

Sun 29/3

17:15-09:30

1 stop11h 15m

£1,144

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Ottawa flights insights and trends

Explore insights for your Ottawa flight to craft the best travel plan

Prices

Other information

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 £468. 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 £478.

What is the absolute cheapest flight to Ottawa?

Users booking trips to Ottawa from Toronto found flights 85% cheaper than the average price of flights to Ottawa. To find the cheapest price to Ottawa from your area, use momondo’s Airport-to-Airport Pricing Tool.

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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 £551. 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 Saturday because tickets tend to average around £609. 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 £478 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.

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 £554 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 £375 on momondo.

Cheapest flights to Ottawa

Find the cheapest flights to Ottawa from your nearest city or airport

Find flights from London Heathrow Airport to Ottawa

CHEAPEST MONTH TO FLY TO OTTAWA FROM LONDON HEATHROW AIRPORT	March	18% cheaper	Flying from London Heathrow Airport to Ottawa costs on average just £456 in March
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM LONDON HEATHROW AIRPORT	August	30% more expensive	It costs about £725 for flights to Ottawa from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO OTTAWA FROM LONDON HEATHROW AIRPORT	July	291% more users visited	More momondo users searched in flights to Ottawa from London Heathrow Airport in July than any other month

Cheap Ottawa flight deals and tips

Summary info about Ottawa flight prices, duration and airlines

Best One-Way Price	£263
Best Round-Trip Price	£406
Fastest flight time	11h 10m
Popular in	July

The best one-way flight price to Ottawa from United Kingdom in the last 72 hours is £263 (London Heathrow to Ottawa).

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The best round-trip flight price to Ottawa from United Kingdom in the last 72 hours is £406 (London Heathrow to Ottawa).

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The fastest flight to Ottawa from United Kingdom takes 11h 10m (London Heathrow to Ottawa).

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July has the highest demand for flights to Ottawa, with a 15% price increase on average.

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Frequently asked questions about flying to Ottawa

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

The best time to book a flight to Ottawa from United Kingdom is 90 days out, which is when prices tend to be around £544. Keep in mind that you might be able to find cheaper flights to Ottawa at any time. In fact, our users found flights for as low as £440 in the past 72 hours.

Is there an alternative airport near Ottawa?

Finding an alternative and possibly cheaper destination airport near Ottawa is possible. If you are planning a flight to Ottawa, consider booking flights to Ottawa Airport (7 mi from Ottawa city centre), Mont Tremblant Intl Airport (82 mi from Ottawa city centre) or Kingston Airport (93 mi from Ottawa city centre).

Is there a cheaper alternative to flying into Ottawa?

You can find deals at Ottawa Airport for £1,002 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Ottawa Airport?

Prices for flights to Ottawa Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Ottawa Airport?

The number of operators available for flights to Ottawa Airport is 8 as of October 2025.

How old do you have to be to fly to Ottawa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Ottawa Airport.

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

The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa.

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

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

How can momondo help me find flights to Ottawa?

momondo helps you find the best flight to Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight 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 and alert you when they change.