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Cheap flights from London Gatwick Airport to Ottawa from £185

LGW — YOW
21 Sep — 28 Sep1
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

Fri 2/1011:35 -
2 stops27h 37m
Fri 16/1019:40 -
Nonstop7h 15m
Deal found 21/8£432
Tue 1/909:40 -
Nonstop8h 00m
Sun 13/919:40 -
Nonstop7h 15m
Deal found 20/8£433
Sun 20/911:35 -
1 stop11h 00m
Tue 20/1018:25 -
2 stops15h 45m
Deal found 18/8£435
Tue 1/911:35 -
1 stop11h 00m
Thu 1/1020:55 -
2 stops39h 15m
Deal found 21/8£436
Tue 8/912:40 -
1 stop13h 55m
Fri 18/916:00 -
1 stop13h 45m
Deal found 21/8£437
Tue 15/912:40 -
1 stop24h 25m
Tue 22/916:00 -
1 stop13h 45m
Deal found 17/8£438
Tue 8/909:40 -
Nonstop8h 00m
Sun 20/919:40 -
Nonstop7h 15m
Deal found 18/8£439
Fri 18/909:40 -
Nonstop8h 00m
Fri 25/919:40 -
Nonstop7h 15m
Deal found 21/8£440
Mon 14/920:25 -
3 stops32h 55m
Mon 21/916:00 -
1 stop10h 55m
Deal found 17/8£442
Sat 5/912:40 -
1 stop12h 20m
Mon 14/916:00 -
1 stop13h 45m
Deal found 21/8£444
Sun 6/909:40 -
Nonstop8h 00m
Wed 16/916:00 -
1 stop13h 45m
Deal found 21/8£446
Mon 21/920:25 -
3 stops32h 55m
Fri 25/910:00 -
1 stop19h 45m
Deal found 18/8£446

Find flight deals from Gatwick to Ottawa

Round-trip from

£432

One-way from

£185

Popular in

October

Cheapest in

June

Average price

£607

Good round-trip deal

£404 or less

Good one-way deal

£209 or less
Air Transat
  • Air Transat
  • 2/10-16/10
  • 2 total stops
  • 34h 52m total
  • London to Ottawa
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25/9
  • 25/9
  • 2 total stops
  • 20h 25m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£42 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from London Gatwick to Ottawa.
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Price to beat on a one-way flight from London Gatwick to Ottawa.
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Cheapflights Fare Finder

 
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

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Thu 24/9

17:00-15:00

1 stop27h 00m

Ottawa

Tue 29/9

17:25-09:25

1 stop11h 00m

£497
Fastest return journey

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Tue 1/9

09:40-12:40

Nonstop8h 00m

Ottawa

Mon 7/9

16:00-07:55

1 stop10h 55m

£558

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Wed 2/9

11:35-00:20

2 stops17h 45m

Ottawa

Tue 29/9

18:25-17:10

2 stops17h 45m

£559

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Wed 18/11

11:40-17:58

1 stop11h 18m

Ottawa

Sun 18/4

17:40-10:45

1 stop12h 05m

£605

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Thu 19/11

11:40-17:58

1 stop11h 18m

Ottawa

Fri 16/4

10:20-10:45

1 stop19h 25m

£605

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Fri 13/11

11:40-17:58

1 stop11h 18m

Ottawa

Tue 13/4

17:40-10:45

1 stop12h 05m

£605

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Sun 10/1

11:40-17:58

1 stop11h 18m

Ottawa

Sat 30/1

10:20-09:45

1 stop18h 25m

£606

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Mon 7/9

12:40-00:25

1 stop16h 45m

Ottawa

Fri 18/9

19:40-07:55

Nonstop7h 15m

£616

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Tue 12/1

11:40-17:58

1 stop11h 18m

Ottawa

Mon 25/1

13:45-09:45

1 stop15h 00m

£626

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Sat 26/9

15:40-00:25

2 stops37h 45m

Ottawa

Sat 3/10

18:25-14:35

2 stops15h 10m

£792

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
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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

Cheapflights Insights

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

What is the cheapest time of day to fly from LGW to YOW?

When flying from London Gatwick Airport to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.

London Gatwick Airport to Ottawa flights typically cost between £467 and £574 in October.
The cheapest return price found within the last 5 days was £432 on Air Transat (2 Oct–16 Oct).

Reviews of airlines servicing Ottawa

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
7.8
Good
573 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

8.0

Entertainment

7.1

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
573 reviews
Air Transat
7.8
Good
573 reviews
Check prices

Crew

8.5

Food

6.8

Boarding

8.0

Entertainment

7.1

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

  • 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?

    Virgin Atlantic and Air Transat can get you from London Gatwick Airport to Ottawa in just under 8h. Your travel time can differ by up to 19h. The distance between London Gatwick Airport and Ottawa is about 3340 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £335. You may be able to fly from London Gatwick Airport to Ottawa for 38% 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 £187. While the most popular route (London Gatwick - Ottawa) can be booked for £336 on average, our data indicates £383 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
Gatineau
Brockville
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Gatwick to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£334Average£487FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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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