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Cheap flights from London Gatwick Airport to Ottawa from £266

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YOW
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Gatwick to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2025.

Round-trip from

£491

One-way from

£266

Popular in

August

Cheapest in

June

Average price

£650
Air Transat
  • Air Transat
  • 26/12-17/1
  • 2 total stops
  • 46h 00m total
  • London to Ottawa
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5/12
  • 5/12
  • 1 total stop
  • 14h 58m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Gatwick to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Ottawa
Explore the most affordable flight options available from Gatwick to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Fri 26/1211:40LGW - YOW
1 stop25h 45mAir Transat
Sat 17/108:30YOW - LGW
1 stop20h 15mAir Transat
Deal found 21/10£491
Mon 17/1107:00LGW - YOW
2 stops31h 42mMultiple Airlines
Mon 24/1114:50YOW - LGW
2 stops23h 50mMultiple Airlines
Deal found 20/10£495
Fri 26/1211:40LGW - YOW
1 stop25h 45mAir Transat
Mon 12/106:45YOW - LGW
1 stop22h 00mAir Transat
Deal found 21/10£511
Tue 18/1111:55LGW - YOW
2 stops17h 47mMultiple Airlines
Sun 23/1105:40YOW - LGW
2 stops24h 15mMultiple Airlines
Deal found 21/10£515
Fri 5/1214:00LGW - YOW
1 stop14h 58mMultiple Airlines
Fri 12/1209:15YOW - LGW
2 stops19h 45mMultiple Airlines
Deal found 21/10£521
Fri 7/1107:00LGW - YOW
3 stops20h 18mMultiple Airlines
Tue 11/1118:05YOW - LGW
2 stops20h 35mMultiple Airlines
Deal found 21/10£522
Wed 3/1211:40LGW - YOW
1 stop11h 45mAir Transat
Wed 10/1210:00YOW - LGW
1 stop18h 45mAir Transat
Deal found 20/10£524
Thu 4/1211:40LGW - YOW
1 stop11h 45mAir Transat
Thu 11/1218:55YOW - LGW
1 stop9h 50mAir Transat
Deal found 20/10£525
Thu 11/1211:40LGW - YOW
1 stop11h 45mAir Transat
Tue 13/106:45YOW - LGW
1 stop22h 00mAir Transat
Deal found 20/10£531
Sun 16/1111:40LGW - YOW
1 stop25h 44mAir Transat
Fri 21/1106:45YOW - LGW
1 stop22h 00mAir Transat
Deal found 21/10£532
Fri 12/1211:40LGW - YOW
1 stop11h 45mAir Transat
Mon 12/110:00YOW - LGW
1 stop18h 45mAir Transat
Deal found 20/10£534

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 22 October 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ottawa that are best for you.

Fly from

Gatwick

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 26/12

11:40-08:25

1 stop25h 45m

Ottawa

Mon 12/1

06:45-09:45

1 stop22h 00m

£511

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 25/12

11:40-18:25

1 stop11h 45m

Ottawa

Sat 17/1

08:30-09:45

1 stop20h 15m

£511

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 26/12

11:40-08:25

1 stop25h 45m

Ottawa

Thu 15/1

06:45-09:45

1 stop22h 00m

£511

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 26/12

11:40-08:25

1 stop25h 45m

Ottawa

Tue 13/1

06:45-09:45

1 stop22h 00m

£511

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 10/12

11:40-18:25

1 stop11h 45m

Ottawa

Mon 12/1

10:00-09:45

1 stop18h 45m

£511

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 5/12

14:00-23:58

1 stop14h 58m

Ottawa

Fri 12/12

09:15-10:00

2 stops19h 45m

£521

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 10/12

11:40-18:25

1 stop11h 45m

Ottawa

Thu 8/1

06:45-09:45

1 stop22h 00m

£531

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 10/12

11:40-18:25

1 stop11h 45m

Ottawa

Tue 13/1

06:45-09:45

1 stop22h 00m

£531

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 25/12

11:40-18:25

1 stop11h 45m

Ottawa

Mon 12/1

06:45-09:45

1 stop22h 00m

£531

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 10/12

11:40-18:25

1 stop11h 45m

Ottawa

Fri 9/1

06:45-09:45

1 stop22h 00m

£531

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Gatwick to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Gatwick with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Ottawa

What is the cheapest month to book a flight from London Gatwick Airport to Ottawa?

Currently, May is the cheapest month in which you can book a flight from London Gatwick Airport to Ottawa (average of £259). Flying from London Gatwick Airport to Ottawa in March is currently the most expensive (average of £445). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 22 October 2025.
Read reviews from past customers who have flown with Air Transat and Air Canada from London Gatwick Airport to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
466 reviews
Check prices

Comfort

7.4

Food

6.8

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
466 reviews
Air Transat
7.8
Good
466 reviews
Check prices

Comfort

7.4

Food

6.8

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,335 reviews
Air Transat
7.8
Good
466 reviews
Check prices

Comfort

7.4

Food

6.8

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from London Gatwick?

    For a flight from London Gatwick to Ottawa, you will be flying into Ottawa. Ottawa (YOW) is just 6.6 mi from the center of the city. Ottawa is the only Ottawa airport and it handles 0 inbound flights from London Gatwick per day. 2 airlines have flights to Ottawa from London Gatwick on a regular basis.

  • How long is the flight from London Gatwick Airport to Ottawa?

    Air Transat can get you from London Gatwick Airport to Ottawa in just under 25h 45m. Your travel time can differ by up to . The distance between London Gatwick Airport and Ottawa is about 3340 mi.

  • What are the cheapest airlines flying from London Gatwick Airport to Ottawa round-trip?

    Cheapflights users have booked flights from London Gatwick Airport to Ottawa round-trip from £305. Another airline that can offer you cheap pricing is Air Transat. You may be able to fly from London Gatwick Airport to Ottawa for 42% less than the average price by searching for these airlines.

  • Can I find deals for flights from Gatwick to Ottawa that include hotel bookings?

    Yes. In addition to deals on Gatwick to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ottawa.

  • Can I find deals for business class flights from Gatwick to Ottawa?

    Yes. Cheapflights offers flight deals from Gatwick to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from London Gatwick Airport to Ottawa (average of £259). Flying from London Gatwick Airport to Ottawa in March is currently the most expensive (average of £445). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Gatwick to Ottawa

Discover the top 2 airlines that operate flights from Gatwick to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£305Average£310FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapest£410Average£486FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Gatwick to Ottawa?

Cheapflights makes it easy to find Gatwick to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Gatwick to Ottawa.

Can Cheapflights find flights from Gatwick to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Gatwick to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Gatwick to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from Gatwick today and book when prices fit your budget.

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