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Cheap flights from Ottawa to London Gatwick Airport from C$ 473

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 8 January 2026.

Round-trip from

C$ 726

One-way from

C$ 473

Popular in

July

Cheapest in

February

Average price

C$ 857

Good round-trip deal

C$ 289 or less

Good one-way deal

C$ 1,314 or less
Air Transat
  • Air Transat
  • 22/2-1/3
  • 2 total stops
  • 21h 41m total
  • Ottawa to London
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9/2
  • 9/2
  • 3 total stops
  • 24h 30m total
  • Ottawa to London
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Highest demand for flights based on searches. 9% potential increase in price (C$ 144 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Ottawa to London Gatwick.
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Price to beat on a one-way flight from Ottawa to London Gatwick.
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Find 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 8 January 2026.

Sun 22/26:50 p.m.YOW - LGW
1 stop9h 55mAir Transat
Sun 1/311:40 a.m.LGW - YOW
1 stop11h 46mAir Transat
Deal found 7/1C$ 726
Fri 20/26:40 a.m.YOW - LGW
1 stop22h 05mAir Transat
Fri 27/211:40 a.m.LGW - YOW
1 stop11h 53mAir Transat
Deal found 5/1C$ 745
Sat 14/26:50 p.m.YOW - LGW
1 stop9h 55mAir Transat
Sun 22/211:40 a.m.LGW - YOW
1 stop18h 03mAir Transat
Deal found 8/1C$ 748
Thu 5/26:40 a.m.YOW - LGW
1 stop22h 05mAir Transat
Sat 21/211:40 a.m.LGW - YOW
1 stop18h 03mAir Transat
Deal found 7/1C$ 749
Sat 21/26:50 p.m.YOW - LGW
1 stop9h 55mAir Transat
Sat 28/211:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 7/1C$ 752
Tue 3/210:00 a.m.YOW - LGW
1 stop18h 45mAir Transat
Tue 10/211:40 a.m.LGW - YOW
1 stop11h 48mAir Transat
Deal found 6/1C$ 762
Thu 22/16:55 p.m.YOW - LGW
1 stop9h 50mAir Transat
Sun 1/211:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 7/1C$ 764
Thu 5/210:00 a.m.YOW - LGW
1 stop18h 45mAir Transat
Thu 12/211:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 8/1C$ 766
Tue 24/26:50 p.m.YOW - LGW
1 stop9h 55mAir Transat
Wed 18/311:40 a.m.LGW - YOW
1 stop24h 45mAir Transat
Deal found 6/1C$ 767
Fri 6/210:00 a.m.YOW - LGW
1 stop18h 45mAir Transat
Sat 21/211:40 a.m.LGW - YOW
1 stop25h 45mAir Transat
Deal found 8/1C$ 774

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 8 January 2026.
Use the filters below to find and compare flights from Ottawa to London Gatwick Airport that are best for you.

Fly from

Ottawa

Fly to

Gatwick

Route

Depart

Return

Price

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 14/2

6:50 p.m.-9:45 a.m.

1 stop9h 55m

London Gatwick

Sun 22/2

11:40 a.m.-12:43 a.m.

1 stop18h 03m

C$ 748

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 12/2

6:50 p.m.-9:45 a.m.

1 stop9h 55m

London Gatwick

Tue 17/2

11:40 a.m.-6:33 p.m.

1 stop11h 53m

C$ 766

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 8/2

6:50 p.m.-9:45 a.m.

1 stop9h 55m

London Gatwick

Sat 21/2

11:40 a.m.-5:58 p.m.

1 stop11h 18m

C$ 766

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 3/2

6:50 p.m.-9:45 a.m.

1 stop9h 55m

London Gatwick

Tue 10/2

11:40 a.m.-8:25 a.m.

1 stop25h 45m

C$ 767

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 9/3

3:05 p.m.-9:45 a.m.

1 stop14h 40m

London Gatwick

Mon 16/3

11:40 a.m.-4:51 p.m.

1 stop33h 11m

C$ 767

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 12/2

6:50 p.m.-9:45 a.m.

1 stop9h 55m

London Gatwick

Sat 21/2

11:40 a.m.-5:58 p.m.

1 stop11h 18m

C$ 777

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 14/2

10:00 a.m.-9:45 a.m.

1 stop18h 45m

London Gatwick

Tue 24/2

11:40 a.m.-8:25 a.m.

1 stop25h 45m

C$ 778

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 9/2

3:05 p.m.-9:45 a.m.

1 stop13h 40m

London Gatwick

Fri 20/2

11:40 a.m.-8:25 a.m.

1 stop25h 45m

C$ 780

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 10/3

3:05 p.m.-9:45 a.m.

1 stop14h 40m

London Gatwick

Mon 16/3

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

1 stop17h 01m

C$ 781

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 9/2

3:05 p.m.-9:45 a.m.

1 stop13h 40m

London Gatwick

Sat 21/2

11:40 a.m.-5:58 p.m.

1 stop11h 18m

C$ 800

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 17 results
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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
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 month to book a flight from Ottawa to London Gatwick Airport?

Currently, March is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 276). Flying from Ottawa to London Gatwick Airport in April is currently the most expensive (average of C$ 893). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 8 January 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
406 reviews
Check prices

Entertainment

7.0

Food

7.6

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
406 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Entertainment

7.0

Food

7.6

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
491 reviews
Porter Airlines
8.0
Very good
406 reviews
Check prices

Entertainment

7.0

Food

7.6

Comfort

7.9

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 9h 55m. Air Transat provides one of the quickest options available for as low as C$ 748. Ottawa and London Gatwick Airport are separated by a distance of 5375 km.

  • 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$ 676. Another option worth looking into is Porter Airlines, starting at C$ 786 round trip. Air Transat is 34% 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$ 1,247, our data indicates the cheapest price to be C$ 83. The most popular route (Ottawa - London Gatwick), is priced around C$ 726.

  • 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.

  • What is the cheapest month to book a flight from Ottawa to London Gatwick Airport?

    Currently, March is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of C$ 276). Flying from Ottawa to London Gatwick Airport in April is currently the most expensive (average of C$ 893). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Sutton
Twickenham
Gatwick
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Hounslow

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See prices for flight routes from nearby airports that may be better suited for you.
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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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 676AverageC$ 1,002FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 786AverageC$ 1,236FlexibilityNo 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?

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