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Cheap flights from Ottawa to London Gatwick Airport from C$ 491

YOW — LGW
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Gatwick

Fri 27/112:00 p.m. -
3 stops17h 20m
Fri 4/129:10 a.m. -
2 stops18h 22m
Deal found 30/10C$ 976
Wed 2/125:40 p.m. -
2 stops19h 05m
Wed 9/126:35 a.m. -
2 stops18h 17m
Deal found 2/11C$ 1,029
Tue 1/125:40 p.m. -
2 stops21h 00m
Tue 8/128:00 a.m. -
2 stops16h 52m
Deal found 3/11C$ 1,033
Mon 30/1110:50 a.m. -
2 stops24h 50m
Mon 7/126:10 p.m. -
3 stops29h 35m
Deal found 1/11C$ 1,038
Mon 7/1210:50 a.m. -
2 stops29h 10m
Mon 14/124:35 p.m. -
3 stops32h 17m
Deal found 31/10C$ 1,056
Thu 5/119:00 a.m. -
2 stops22h 20m
Thu 12/116:55 a.m. -
3 stops23h 45m
Deal found 1/11C$ 1,070

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 892

One-way from

C$ 491

Popular in

December

Cheapest in

September

Average price

C$ 1,085
Air Transat
  • Air Transat
  • 26/2-16/4
  • 2 total stops
  • 29h 22m total
  • Ottawa to London
Search Deals
21/4-31/12
  • 21/4-31/12
  • 2 total stops
  • 32h 05m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 7/12

3:15 p.m.-5:20 p.m.

3 stops21h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 590

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 4/12

6:10 a.m.-6:05 p.m.

2 stops30h 55m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 606

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 13/11

2:00 p.m.-1:00 p.m.

2 stops18h 00m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 673

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 6/12

5:30 a.m.-9:45 a.m.

1 stop23h 15m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 677

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 15/4

7:00 a.m.-9:05 p.m.

3 stops33h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 691

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 16/11

5:30 a.m.-9:45 a.m.

1 stop23h 15m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 699

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 14/1

1:45 p.m.-9:50 a.m.

2 stops15h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 705
Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 8/12

5:40 p.m.-9:45 a.m.

1 stop11h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 731

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 20/2

1:50 p.m.-9:45 a.m.

1 stop14h 55m

London Gatwick

Mon 8/3

11:40 a.m.-5:55 p.m.

1 stop11h 15m

C$ 972

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 21/2

5:40 p.m.-9:45 a.m.

1 stop11h 05m

London Gatwick

Fri 12/3

11:40 a.m.-10:06 p.m.

1 stop15h 26m

C$ 975

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

How often are flights from Ottawa to London delayed?

About 11% of weekly flights between Ottawa and London have experienced delays in the past year, with the average delay time being 96 minutes.

What is the most punctual flight time for Ottawa to London flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ottawa to London flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 11% of flights being delayed.

Reviews of airlines servicing Gatwick

Read through reviews of airlines operating flights from Ottawa to London Gatwick Airport, such as Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Food

6.7

Crew

8.5

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus
Air Transat
7.7
Good
584 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Boarding

7.9

Entertainment

7.0

Comfort

7.3

Food

6.7

Crew

8.5

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Paul,Jul 2026

YUL - LGW

Had to bus to the plane which made priority boarding at the back of the bus

Related info for your journey

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

    If you book a flight to London Gatwick from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 0 flights from Ottawa to London Gatwick per day from 1 airline.

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

    A quick flight from Ottawa to London Gatwick Airport can take about 10h 50m. Air Transat provides one of the quickest options available for as low as C$ 1,377. Ottawa and London Gatwick Airport are separated by a distance of 5375 km. 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 Ottawa to London Gatwick Airport round-trip?

    Flying on Air Transat is currently your cheapest option to London Gatwick Airport, with prices starting at C$ 684.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Gatwick 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Kingston upon Thames
Slough
Marlow
Cobham
Hounslow
Wembley
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ottawa to Gatwick

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 684AverageC$ 812FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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Yes! Start tracking prices for Ottawa to Gatwick flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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