When is the best time to book a flight to Ottawa?

To ensure you get the cheapest price possible for a flight to Ottawa, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What airport do you fly into for flights to Ottawa?

Booking a flight to Ottawa (YOW) is your only option if you intend on flying to Ottawa. It is only a 6.6 mi journey from Ottawa to Ottawa’s city center. 6 airlines have flights to Ottawa from London on a daily basis. Booking flights to Ottawa should not be difficult; the airport handles an average of 3 flights from London per day.

Can I find cheaper flights to Ottawa if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ottawa on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Ottawa?

Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to Ottawa.

What is the cheapest airport to fly to in Ottawa?

Ottawa is currently the cheapest airport to fly to in Ottawa. One-way flights to Ottawa typically cost £195, while return flights cost around £92.

How much is a return flight to Ottawa?

A return flight to Ottawa will typically cost around £120, however they can be found for as little as £92.

Where does the fastest flight to Ottawa depart from?

For those looking to save time traveling to Ottawa, London offers the quickest one-way flight (7 hours 55 minutes).

Does Ottawa have car hire?

Yes. Those touching down at Ottawa can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Ottawa?

Yes. Ottawa has hotels nearby for those requiring accommodations. Alt Hotel Ottawa Airport is the closest property to Ottawa (0.0 mi away from Ottawa).

What are the most popular airlines that fly to Ottawa?

The most popular airlines flying from London to Ottawa are Air Canada, Air France and Lufthansa.

How long is the flight to Ottawa?

On average, a flight from London to Ottawa takes 12 hours 19 minutes. Flights to Ottawa from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Ottawa?

The cheapest airlines flying from London to Ottawa are Air Canada, United Airlines and Air Transat.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Cheap Flights to Ottawa from £193

Flights to Ottawa in 2026

Return from	£364
One-way from	£193
Popular in	August
Cheapest in	June
Average price	£513
Good round-trip deal	£378 or less
Good one-way deal	£588 or less

United Airlines
23/5-6/6
2 total stops
26h 21m total
London to Ottawa

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20/4
2 total stops
23h 09m total
London to Ottawa

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Highest demand for flights based on searches. 6% potential increase in price (£40 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

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Average for return flights in April 2026

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Price to beat on a round-trip flight from London to Ottawa.

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Price to beat on a one-way flight from London to Ottawa.

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Find flight deals to Ottawa

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights to Ottawa
Explore the most affordable flight options available to Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Sat 23/512:15

LHR

YOW

1 stop11h 33m

United Airlines

Sat 6/614:52

YOW

LHR

1 stop14h 48m

United Airlines

Deal found 28/3£364

Sat 16/516:40

LHR

YOW

1 stop12h 14m

United Airlines

Mon 25/519:30

YOW

LHR

1 stop10h 10m

United Airlines

Deal found 31/3£365

Fri 15/509:40

LGW

YOW

Nonstop8h 00m

Air Transat

Fri 22/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 30/3£367

Fri 15/511:35

LGW

YOW

1 stop11h 00m

Air Transat

Fri 22/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 30/3£368

Fri 22/509:40

LGW

YOW

Nonstop8h 00m

Air Transat

Fri 29/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 29/3£370

Fri 15/511:35

LGW

YOW

1 stop11h 00m

Air Transat

Fri 22/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 30/3£371

Fri 15/509:40

LGW

YOW

Nonstop8h 00m

Air Transat

Fri 22/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 29/3£373

Fri 15/511:35

LGW

YOW

1 stop11h 00m

Air Transat

Fri 22/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 29/3£374

Fri 15/511:35

LGW

YOW

1 stop11h 00m

Air Transat

Fri 22/519:15

YOW

LGW

1 stop31h 40m

Air Transat

Deal found 30/3£374

Wed 16/912:40

LGW

YOW

1 stop24h 25m

Air Transat

Wed 23/907:00

YOW

LGW

1 stop22h 45m

Air Transat

Deal found 28/3£375

Fri 15/511:35

LGW

YOW

1 stop11h 00m

Air Transat

Fri 22/519:15

YOW

LGW

1 stop31h 40m

Air Transat

Deal found 30/3£377

Fri 15/522:00

STN

YOW

3 stops31h 20m

Multiple Airlines

Tue 19/506:55

YOW

STN

2 stops34h 45m

Multiple Airlines

Deal found 29/3£377

Best flights to Ottawa
Discover carefully curated flight deals to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Fri 22/509:40

LGW

YOW

Nonstop8h 00m

Air Transat

Thu 28/516:00

YOW

LGW

1 stop10h 55m

Air Transat

Deal found 1/4£388

Tue 28/422:00

STN

YOW

3 stops31h 20m

Multiple Airlines

Tue 5/506:55

YOW

STN

3 stops31h 40m

Multiple Airlines

Deal found 31/3£412

Fri 22/506:55

LHR

YOW

2 stops32h 08m

United Airlines

Fri 29/510:25

YOW

LHR

2 stops15h 50m

United Airlines

Deal found 29/3£458

Mon 4/508:55

LHR

YOW

1 stop11h 05m

Virgin Atlantic

Mon 18/517:25

YOW

LHR

1 stop12h 05m

Virgin Atlantic

Deal found 30/3£576

Thu 6/814:45

LHR

YOW

2 stops14h 35m

KLM

Mon 10/818:25

YOW

LHR

2 stops14h 25m

KLM

Deal found 1/4£591

Tue 1/909:30

LHR

YOW

1 stop9h 24m

Lufthansa

Mon 7/918:55

YOW

LHR

Nonstop6h 35m

Lufthansa

Deal found 30/3£593

Fri 8/506:35

STN

YOW

2 stops22h 45m

Multiple Airlines

Wed 20/518:25

YOW

STN

2 stops21h 05m

Multiple Airlines

Deal found 29/3£423

Tue 23/609:40

LGW

YOW

Nonstop8h 00m

Air Transat

Thu 23/716:00

YOW

LGW

1 stop10h 55m

Air Transat

Deal found 29/3£458

Fri 15/522:50

STN

YOW

3 stops30h 30m

Multiple Airlines

Fri 29/506:55

YOW

STN

3 stops33h 25m

Multiple Airlines

Deal found 27/3£434

Mon 18/510:25

LHR

YOW

1 stop11h 13m

United Airlines

Sun 31/517:50

YOW

LHR

1 stop11h 35m

United Airlines

Deal found 1/4£482

Tue 25/809:10

LCY

YOW

2 stops15h 00m

Aer Lingus

Thu 3/912:00

YOW

LCY

2 stops15h 35m

Aer Lingus

Deal found 31/3£990

Fri 26/612:40

LGW

YOW

1 stop12h 20m

Air Transat

Fri 17/719:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 29/3£458

Thu 21/509:30

LHR

YOW

1 stop12h 08m

United Airlines

Mon 25/517:50

YOW

LHR

1 stop11h 35m

United Airlines

Deal found 1/4£482

Mon 27/406:30

STN

YOW

3 stops22h 50m

Multiple Airlines

Mon 4/506:55

YOW

STN

2 stops22h 45m

Multiple Airlines

Deal found 30/3£446

Thu 25/612:40

LGW

YOW

1 stop12h 20m

Air Transat

Mon 20/708:40

YOW

LGW

1 stop18h 15m

Air Transat

Deal found 29/3£464

Wed 29/422:00

STN

YOW

3 stops31h 20m

Multiple Airlines

Wed 6/506:55

YOW

STN

2 stops21h 40m

Multiple Airlines

Deal found 31/3£446

Thu 30/708:30

LHR

YOW

1 stop13h 40m

Lufthansa

Sat 15/819:30

YOW

LHR

1 stop9h 30m

Lufthansa

Deal found 28/3£601

Fri 26/612:40

LGW

YOW

1 stop12h 20m

Air Transat

Thu 23/716:00

YOW

LGW

1 stop10h 55m

Air Transat

Deal found 29/3£464

Wed 29/422:45

STN

YOW

2 stops30h 35m

Multiple Airlines

Wed 6/506:55

YOW

STN

2 stops21h 40m

Multiple Airlines

Deal found 31/3£449

Tue 28/409:30

LHR

YOW

1 stop9h 36m

Lufthansa

Tue 5/514:35

YOW

LHR

1 stop10h 55m

Lufthansa

Deal found 31/3£639

Sat 9/508:45

LHR

YOW

2 stops20h 09m

United Airlines

Sun 10/512:00

YOW

LHR

2 stops17h 40m

United Airlines

Deal found 29/3£595

Sun 26/412:40

LGW

YOW

1 stop17h 01m

Air Transat

Sun 24/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 30/3£506

Wed 16/906:30

STN

YOW

3 stops22h 50m

Multiple Airlines

Wed 23/918:25

YOW

STN

2 stops21h 55m

Multiple Airlines

Deal found 28/3£515

Fri 15/512:10

LHR

YOW

2 stops50h 53m

United Airlines

Fri 29/510:25

YOW

LHR

2 stops15h 50m

United Airlines

Deal found 27/3£651

Thu 21/512:40

LGW

YOW

1 stop12h 20m

Air Transat

Sun 31/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 1/4£548

Tue 1/922:00

STN

YOW

3 stops31h 20m

Multiple Airlines

Mon 7/906:55

YOW

STN

2 stops31h 30m

Multiple Airlines

Deal found 27/3£517

Thu 30/412:40

LGW

YOW

1 stop17h 01m

Air Transat

Fri 29/519:40

YOW

LGW

Nonstop7h 15m

Air Transat

Deal found 30/3£554

Tue 7/709:15

LCY

YOW

2 stops15h 30m

Lufthansa

Wed 22/716:00

YOW

LCY

2 stops20h 55m

Lufthansa

Deal found 28/3£822

Tue 19/509:10

LCY

YOW

2 stops15h 01m

Aer Lingus

Thu 28/514:00

YOW

LCY

2 stops13h 35m

Aer Lingus

Deal found 1/4£1,035

Fri 19/608:30

STN

YOW

2 stops20h 50m

Multiple Airlines

Thu 2/706:55

YOW

STN

2 stops35h 25m

Multiple Airlines

Deal found 29/3£549

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Flights to Ottawa in 2026

Find the latest flights to Ottawa in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 1 April 2026.

Return from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Ottawa

Cheapest flights to Ottawa
Explore the most affordable flight options available to Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Explore the most affordable flight options available to Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Best flights to Ottawa
Discover carefully curated flight deals to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Discover carefully curated flight deals to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Direct flights to Ottawa
Explore direct flight options to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Explore direct flight options to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Last-minute flights to Ottawa
Discover last-minute flight deals to Ottawa. Data last updated 1 April 2026 and is based on user searches.

Discover last-minute flight deals to Ottawa. Data last updated 1 April 2026 and is based on user searches.

One-way flights to Ottawa
Search for one-way flight options to Ottawa. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

Search for one-way flight options to Ottawa. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

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Flights to Ottawa in 2026

Find the latest flights to Ottawa in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 1 April 2026.

Return from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Ottawa

Cheapest flights to OttawaExplore the most affordable flight options available to Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Explore the most affordable flight options available to Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Best flights to OttawaDiscover carefully curated flight deals to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Discover carefully curated flight deals to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Direct flights to OttawaExplore direct flight options to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Explore direct flight options to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Last-minute flights to OttawaDiscover last-minute flight deals to Ottawa. Data last updated 1 April 2026 and is based on user searches.

Discover last-minute flight deals to Ottawa. Data last updated 1 April 2026 and is based on user searches.

One-way flights to OttawaSearch for one-way flight options to Ottawa. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

Search for one-way flight options to Ottawa. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

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Cheapest flights to Ottawa
Explore the most affordable flight options available to Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Best flights to Ottawa
Discover carefully curated flight deals to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Direct flights to Ottawa
Explore direct flight options to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Last-minute flights to Ottawa
Discover last-minute flight deals to Ottawa. Data last updated 1 April 2026 and is based on user searches.

One-way flights to Ottawa
Search for one-way flight options to Ottawa. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.