Cheap flights from Ottawa to London Gatwick Airport from C$ 485

YOW — LGW
10 Dec — 17 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

Tue 8/125:40 p.m. -
2 stops18h 00m
Tue 15/126:10 a.m. -
2 stops17h 35m
Deal found 8/11C$ 996
Mon 23/115:40 p.m. -
2 stops21h 00m
Mon 30/117:00 a.m. -
2 stops20h 32m
Deal found 7/11C$ 999
Mon 7/122:55 p.m. -
2 stops20h 45m
Mon 14/127:00 a.m. -
2 stops20h 32m
Deal found 7/11C$ 1,006
Thu 12/112:00 p.m. -
2 stops26h 15m
Thu 19/117:15 a.m. -
2 stops15h 05m
Deal found 8/11C$ 1,054
Sun 22/1110:50 a.m. -
2 stops24h 50m
Thu 26/116:10 p.m. -
3 stops24h 57m
Deal found 5/11C$ 1,061
Fri 27/112:55 p.m. -
2 stops19h 10m
Sun 6/127:45 a.m. -
2 stops31h 02m
Deal found 6/11C$ 1,068
Sat 5/125:40 p.m. -
2 stops15h 50m
Sat 12/126:00 a.m. -
3 stops20h 52m
Deal found 6/11C$ 1,088
Mon 16/1110:00 a.m. -
2 stops30h 40m
Thu 19/117:35 p.m. -
3 stops29h 10m
Deal found 9/11C$ 1,146
Mon 16/117:50 p.m. -
2 stops41h 00m
Thu 3/126:40 p.m. -
2 stops29h 05m
Deal found 9/11C$ 1,165

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 906

One-way from

C$ 485

Popular in

December

Cheapest in

September

Average price

C$ 1,095
Air Transat
  • Air Transat
  • 13/4-19/4
  • 2 total stops
  • 37h 07m total
  • Ottawa to London
27/4-31/12
  • 27/4-31/12
  • 2 total stops
  • 33h 55m total
  • Ottawa to London
Highest demand for flights based on searches. 7% potential increase in price (C$ 123 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).
Average for round-trip flights in November 2026

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

Wed 14/4

5:30 a.m.-6:35 p.m.

2 stops32h 05m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 499

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 13/1

5:30 a.m.-3:05 p.m.

2 stops28h 35m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 619

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 27/1

6:10 a.m.-9:15 p.m.

2 stops34h 05m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 660

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 12/4

5:30 a.m.-10:45 a.m.

1 stop24h 15m

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

Tue 17/11

8:50 p.m.-10:20 a.m.

3 stops32h 30m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 713

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 27/11

10:30 a.m.-8:50 a.m.

3 stops41h 20m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 732
Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 14/12

12:50 p.m.-9:45 a.m.

1 stop15h 55m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 746

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 4/3

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

1 stop15h 00m

London Gatwick

Fri 12/3

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

1 stop15h 26m

C$ 975

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 5/3

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

1 stop11h 00m

London Gatwick

Mon 15/3

11:40 a.m.-12:41 a.m.

1 stop17h 01m

C$ 1,012

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 3/3

5:10 p.m.-9:00 a.m.

1 stop10h 50m

London Gatwick

Tue 9/3

10:00 a.m.-3:00 p.m.

1 stop10h 00m

C$ 1,230

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Comfort

7.3

Entertainment

7.0

Boarding

7.9

Crew

8.5

Overall

7.7

Food

6.7

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

Comfort

7.3

Entertainment

7.0

Boarding

7.9

Crew

8.5

Overall

7.7

Food

6.7

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 22h 45m. Air Transat provides one of the quickest options available for as low as C$ 906. Ottawa and London Gatwick Airport are separated by a distance of 5375 km.

  • 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$ 690.

  • 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$ 690AverageC$ 815FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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