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Cheap flights from London Gatwick Airport to Ottawa from £189

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YOW
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 April 2026.

Fri 4/909:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 18/919:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 13/4£347
Fri 29/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 5/616:00
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 14/4£352
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 16/4£353
Tue 2/612:40
LGW
-
YOW
1 stop24h 25m
Air Transat
Tue 9/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 17/4£354
Sun 24/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 25/508:40
YOW
-
LGW
1 stop21h 05m
Air Transat
Deal found 15/4£354
Tue 9/612:40
LGW
-
YOW
1 stop16h 45m
Air Transat
Tue 16/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 14/4£356
Sun 14/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 15/4£356
Sat 6/612:40
LGW
-
YOW
1 stop24h 25m
Air Transat
Sat 13/608:40
YOW
-
LGW
1 stop21h 05m
Air Transat
Deal found 17/4£357
Fri 15/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 25/513:55
YOW
-
LGW
1 stop15h 50m
Air Transat
Deal found 14/4£358
Fri 15/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 22/519:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 14/4£359
Sat 16/509:40
LGW
-
YOW
1 stop15h 20m
Air Transat
Fri 22/519:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 12/4£359

Find 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 17 April 2026.

Round-trip from

£347

One-way from

£189

Popular in

December

Cheapest in

June

Average price

£563

Good round-trip deal

£469 or less
Air Transat
  • Air Transat
  • 4/9-18/9
  • Nonstop
  • 15h 15m total
  • London to Ottawa
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 33h 30m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from London Gatwick to Ottawa.
Search Deals

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 17 April 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 19/6

09:40-12:40

Nonstop8h 00m

Ottawa

Sun 21/6

14:15-09:50

1 stop14h 35m

£370

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 17/6

12:40-20:00

1 stop12h 20m

Ottawa

Mon 22/6

18:35-10:45

1 stop11h 10m

£421

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 26/6

12:40-20:00

1 stop12h 20m

Ottawa

Sat 11/7

07:00-07:55

1 stop19h 55m

£452

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 27/6

12:40-20:00

1 stop12h 20m

Ottawa

Mon 13/7

08:40-07:55

1 stop18h 15m

£452

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 24/6

12:40-20:00

1 stop12h 20m

Ottawa

Wed 8/7

08:40-07:55

1 stop18h 15m

£472

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 26/6

12:40-20:00

1 stop12h 20m

Ottawa

Wed 8/7

08:40-07:55

1 stop18h 15m

£472

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 14/5

12:40-20:00

1 stop12h 20m

Ottawa

Wed 3/6

18:35-10:45

1 stop11h 10m

£480

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 11/5

17:00-15:00

1 stop27h 00m

Ottawa

Mon 18/5

17:25-09:40

1 stop11h 15m

£496

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/9

17:00-15:00

1 stop27h 00m

Ottawa

Mon 7/9

17:10-09:40

1 stop11h 30m

£496

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 4/9

09:40-12:40

Nonstop8h 00m

Ottawa

Sat 5/9

08:40-07:55

1 stop18h 15m

£531

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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

How much does it cost for a return flight from London Gatwick Airport to Ottawa?

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 17 April 2026.
Read reviews from past customers who have flown with Air Transat 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
7.7
Good
536 reviews
Check prices

Entertainment

7.0

Food

6.8

Crew

8.4

Boarding

7.9

Comfort

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
536 reviews
Air Transat
7.7
Good
536 reviews
Check prices

Entertainment

7.0

Food

6.8

Crew

8.4

Boarding

7.9

Comfort

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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. 1 airline has 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 8h. Your travel time will be generally consistent. The distance between London Gatwick Airport and Ottawa is about 3340 mi. Most flights are nonstop.

  • What is the cheapest airline to fly from London Gatwick Airport to Ottawa round-trip?

    Cheapflights users have booked flights from London Gatwick Airport to Ottawa round-trip from £359. You may be able to fly from London Gatwick Airport to Ottawa for 30% less than the average price by searching for this airline.

  • What are the cheapest flights from London Gatwick Airport to Ottawa?

    Looking at all options, your cheapest flight can be booked for £354. While the most popular route (London Gatwick - Ottawa) can be booked for £353 on average, our data indicates £564 when flying from London Gatwick Airport to Ottawa.

  • 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.

See more FAQs

Travelling to a place near Ottawa?

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

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Top airline flying from Gatwick to Ottawa

Discover the top airline 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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£359Average£483FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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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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