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Cheap flights from Ottawa to London Gatwick Airport from C$ 456

YOW — LGW
11 Nov — 18 Nov1
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

Wed 11/112:00 p.m. -
3 stops18h 45m
Tue 17/115:25 p.m. -
3 stops25h 42m
Deal found 9/10C$ 938
Wed 11/115:10 p.m. -
1 stop10h 50m
Tue 17/114:45 p.m. -
1 stop27h 15m
Deal found 7/10C$ 952
Wed 18/115:10 p.m. -
1 stop10h 50m
Fri 27/1110:00 a.m. -
1 stop10h 00m
Deal found 7/10C$ 964
Fri 6/115:10 p.m. -
1 stop10h 50m
Sun 6/1210:00 a.m. -
1 stop10h 00m
Deal found 7/10C$ 965
Sat 21/1110:50 a.m. -
3 stops20h 30m
Sat 28/113:35 p.m. -
3 stops29h 22m
Deal found 7/10C$ 976
Mon 23/1110:50 a.m. -
2 stops24h 50m
Mon 30/117:00 a.m. -
2 stops31h 47m
Deal found 9/10C$ 981
Fri 20/115:45 a.m. -
2 stops28h 20m
Sun 29/117:45 a.m. -
3 stops19h 07m
Deal found 10/10C$ 991
Wed 2/125:40 p.m. -
2 stops18h 00m
Mon 7/127:00 a.m. -
2 stops20h 32m
Deal found 7/10C$ 995
Fri 20/115:40 p.m. -
2 stops16h 25m
Mon 30/117:00 a.m. -
2 stops20h 32m
Deal found 8/10C$ 1,003
Mon 2/116:10 p.m. -
2 stops17h 30m
Mon 9/117:00 a.m. -
2 stops20h 32m
Deal found 9/10C$ 1,006
Thu 12/115:40 p.m. -
2 stops18h 00m
Wed 18/118:05 a.m. -
2 stops14h 15m
Deal found 9/10C$ 1,016

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 911

One-way from

C$ 456

Popular in

November

Cheapest in

February

Average price

C$ 946

Good round-trip deal

C$ 705 or less
Air Transat
  • Air Transat
  • 9/3-15/4
  • 2 total stops
  • 33h 00m total
  • Ottawa to London
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20/10-31/12
  • 20/10-31/12
  • 2 total stops
  • 13h 15m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 435 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (C$ 190 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a round-trip flight from Ottawa to London Gatwick.
Search Deals

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

Sat 24/10

6:25 p.m.-11:20 p.m.

3 stops47h 55m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 596

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 8/11

5:30 a.m.-3:45 p.m.

2 stops29h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 626

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 2/12

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$ 636

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 15/11

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$ 637

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 27/1

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$ 647

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 14/11

2:00 p.m.-10:35 a.m.

2 stops15h 35m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 708
Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 11/1

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$ 724

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 15/1

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$ 726

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 12/2

10:35 a.m.-7:45 p.m.

2 stops28h 10m

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

Wed 2/12

10:15 a.m.-9:45 a.m.

1 stop18h 30m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 747

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 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

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

When flying from Ottawa to London Gatwick Airport, 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 to fly round-trip from Ottawa to London Gatwick Airport?

Airfare is typical for this route at the moment.

Ottawa to London Gatwick Airport flights typically cost between C$ 767 and C$ 952 in February.
The cheapest round-trip price found within the last 5 days was C$ 859 on Air Transat (10 Feb-17 Feb).

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

Comfort

7.3

Food

6.8

Entertainment

7.1

Overall

7.7

Crew

8.5

Boarding

8.0

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

Comfort

7.3

Food

6.8

Entertainment

7.1

Overall

7.7

Crew

8.5

Boarding

8.0

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. Virgin Atlantic provides one of the quickest options available for as low as C$ 952. 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$ 697. Air Transat is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the cheapest flight from Ottawa to London Gatwick Airport? While on average our users pay C$ 847, our data indicates the cheapest price to be C$ 705. The most popular route (Ottawa - London Gatwick), is priced around C$ 899.

  • 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
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$ 697AverageC$ 827FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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When you search for this flight from Ottawa to Gatwick, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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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