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Cheap flights from Ottawa to London Gatwick Airport from C$ 335

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
21 Jun — 28 Jun1
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
Explore the most affordable flight options available from Ottawa to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Fri 25/98:55 p.m.
YOW
-
LGW
1 stop30h 00m
Air Transat
Fri 2/109:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 19/5C$ 789
Fri 19/68:40 a.m.
YOW
-
LGW
1 stop21h 05m
Air Transat
Thu 2/712:40 p.m.
LGW
-
YOW
1 stop16h 45m
Air Transat
Deal found 20/5C$ 790
Wed 3/64:00 p.m.
YOW
-
LGW
1 stop13h 45m
Air Transat
Tue 9/612:40 p.m.
LGW
-
YOW
1 stop16h 45m
Air Transat
Deal found 20/5C$ 792
Tue 1/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sat 12/99:40 a.m.
LGW
-
YOW
1 stop19h 45m
Air Transat
Deal found 21/5C$ 800
Tue 15/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Tue 22/912:40 p.m.
LGW
-
YOW
1 stop12h 20m
Air Transat
Deal found 20/5C$ 803
Fri 22/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 7/612:40 p.m.
LGW
-
YOW
1 stop16h 45m
Air Transat
Deal found 20/5C$ 807
Fri 19/68:40 a.m.
YOW
-
LGW
1 stop21h 05m
Air Transat
Fri 3/79:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 21/5C$ 808
Thu 11/68:40 a.m.
YOW
-
LGW
1 stop18h 15m
Porter Airlines
Mon 15/69:40 a.m.
LGW
-
YOW
1 stop19h 45m
Porter Airlines
Deal found 19/5C$ 810
Fri 28/87:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 22/5C$ 812

Find flight deals from Ottawa to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 May 2026.

Round-trip from

C$ 789

One-way from

C$ 335

Popular in

July

Cheapest in

February

Average price

C$ 804

Good round-trip deal

C$ 847 or less

Good one-way deal

C$ 503 or less
Air Transat
  • Air Transat
  • 25/9-2/10
  • 1 total stop
  • 38h 00m total
  • Ottawa to London
Search Deals
3/6
  • 3/6
  • 3 total stops
  • 34h 00m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 171 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Ottawa to London Gatwick.
Search Deals
Price to beat on a one-way flight from Ottawa to London Gatwick.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Gatwick that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 May 2026.
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 - LGW

YOWLGW

Ottawa

Thu 25/6

4:00 p.m.-7:55 a.m.

1 stop10h 55m

London Gatwick

Wed 1/7

12:40 p.m.-8:05 p.m.

1 stop12h 25m

C$ 828

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 11/6

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Mon 15/6

12:40 p.m.-12:25 a.m.

1 stop16h 45m

C$ 848

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 14/6

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Wed 17/6

9:40 a.m.-12:25 a.m.

1 stop19h 45m

C$ 855

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 14/6

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Sat 20/6

9:40 a.m.-12:25 a.m.

1 stop19h 45m

C$ 943

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 2/6

5:10 p.m.-4:00 p.m.

1 stop17h 50m

London Gatwick

Wed 17/6

10:25 a.m.-12:20 a.m.

2 stops18h 55m

C$ 1,003

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 2/6

5:10 p.m.-4:00 p.m.

1 stop17h 50m

London Gatwick

Wed 10/6

5:00 p.m.-5:35 p.m.

2 stops53h 35m

C$ 1,020

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 11/8

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Wed 19/8

12:40 p.m.-8:40 p.m.

1 stop13h 00m

C$ 1,071

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 3/6

11:15 a.m.-8:25 a.m.

2 stops16h 10m

London Gatwick

Sun 7/6

9:05 a.m.-5:16 p.m.

2 stops13h 11m

C$ 1,209
Quickest round-trip

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 5/7

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Sun 12/7

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 1,221

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 8/8

5:10 p.m.-4:00 p.m.

1 stop17h 50m

London Gatwick

Sat 15/8

5:00 p.m.-3:00 p.m.

1 stop27h 00m

C$ 1,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/5

Showing 1-10 of 21 resultsSorted by cheapest first
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2
3

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Find hourly flight availability from Ottawa to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 May 2026.

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?

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated 22 May 2026.
Read through reviews of airlines operating flights from Ottawa to London Gatwick Airport, such as Porter Airlines and Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
439 reviews
Check prices

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.8
Good
553 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Overall

8.0

Crew

8.6

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 different airlines.

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

    A quick flight from Ottawa to London Gatwick Airport can take about 10h 55m. Air Transat provides one of the quickest options available for as low as C$ 828. 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 are the cheapest airlines flying 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$ 673. Another option worth looking into is Porter Airlines, starting at C$ 798 round trip. Air Transat is 36% 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$ 1,142, our data indicates the cheapest price to be C$ 503. The most popular route (Ottawa - London Gatwick), is priced around C$ 717.

  • 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
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ottawa to Gatwick

Discover the top 2 airlines that operate flights from Ottawa to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 673AverageC$ 950FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 798AverageC$ 1,383FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Gatwick?

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.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Gatwick?

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Can Cheapflights find flights from Ottawa to Gatwick with no change fees?

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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