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Cheap flights from Ottawa to London Gatwick Airport from C$ 524

YOW — LGW
16 Nov — 23 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

Tue 10/112:55 p.m. -
2 stops18h 30m
Tue 17/117:25 a.m. -
3 stops19h 27m
Deal found 12/10C$ 830
Thu 12/115:40 p.m. -
2 stops22h 25m
Thu 19/119:00 p.m. -
3 stops27h 45m
Deal found 13/10C$ 854
Thu 5/1112:30 p.m. -
3 stops19h 40m
Fri 13/119:45 p.m. -
3 stops21h 22m
Deal found 12/10C$ 909
Wed 11/116:10 p.m. -
3 stops24h 35m
Wed 18/118:00 p.m. -
3 stops24h 48m
Deal found 14/10C$ 940
Wed 11/1112:30 p.m. -
3 stops16h 50m
Mon 16/117:00 a.m. -
2 stops20h 32m
Deal found 16/10C$ 979
Wed 11/119:00 a.m. -
2 stops20h 20m
Tue 17/118:05 a.m. -
2 stops30h 42m
Deal found 14/10C$ 980

Find flight deals from Ottawa to Gatwick

Round-trip from

C$ 830

One-way from

C$ 524

Popular in

December

Cheapest in

September

Average price

C$ 974

Good round-trip deal

C$ 701 or less
10/11-17/11
  • 10/11-17/11
  • 5 total stops
  • 37h 57m total
  • Ottawa to London
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30/11-31/12
  • 30/11-31/12
  • 2 total stops
  • 44h 05m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ottawa to London Gatwick.
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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 23/11

6:55 p.m.-4:40 p.m.

2 stops40h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 547

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 24/10

6:25 p.m.-10:15 a.m.

2 stops34h 50m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 554

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 13/1

5:40 p.m.-3:05 p.m.

2 stops16h 25m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 658

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 7/12

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$ 690

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 25/10

5:40 p.m.-3:55 p.m.

2 stops18h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 697

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 15/1

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$ 700

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 18/1

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$ 707

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 31/3

1:45 p.m.-10:45 a.m.

1 stop16h 00m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 719

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 2/1

10:15 a.m.-7:15 p.m.

3 stops52h 00m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 732

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sat 24/10

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 779

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/10

Showing 1-10 of 21 resultsSorted by cheapest first
1
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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.

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
583 reviews
Check prices

Comfort

7.3

Boarding

8.0

Entertainment

7.1

Overall

7.7

Food

6.8

Crew

8.5

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
583 reviews
Air Transat
7.7
Good
583 reviews
Check prices

Comfort

7.3

Boarding

8.0

Entertainment

7.1

Overall

7.7

Food

6.8

Crew

8.5

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. KLM provides one of the quickest options available for as low as C$ 1,216. 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$ 692.

  • 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$ 841, our data indicates the cheapest price to be C$ 701. The most popular route (Ottawa - London Gatwick), is priced around C$ 875.

  • 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$ 692AverageC$ 822FlexibilityNo 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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Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to Gatwick become cheaper?

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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