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Cheap flights from Ottawa to London Gatwick Airport from £182

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
27 Jun — 4 Jul1
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 28 May 2026.

Wed 30/907:00
YOW
-
LGW
1 stop22h 45m
Air Transat
Wed 14/1012:40
LGW
-
YOW
1 stop12h 20m
Air Transat
Deal found 25/5£429
Fri 11/919:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Mon 14/909:40
LGW
-
YOW
1 stop15h 20m
Air Transat
Deal found 25/5£429
Fri 5/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 12/612:40
LGW
-
YOW
1 stop24h 25m
Air Transat
Deal found 27/5£430
Sun 7/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Sat 13/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Deal found 26/5£431
Sun 7/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Fri 12/612:40
LGW
-
YOW
1 stop16h 45m
Air Transat
Deal found 27/5£432
Fri 28/819:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 20/909:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 27/5£433
Tue 2/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 27/5£434
Sun 14/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Sun 21/611:35
LGW
-
YOW
1 stop11h 00m
Air Transat
Deal found 24/5£435
Fri 5/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sat 13/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Deal found 27/5£436

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 28 May 2026.

Round-trip from

£429

One-way from

£182

Popular in

July

Cheapest in

February

Average price

£434

Good round-trip deal

£443 or less

Good one-way deal

£387 or less
Air Transat
  • Air Transat
  • 30/9-14/10
  • 2 total stops
  • 35h 05m total
  • Ottawa to London
Search Deals
3/6
  • 3/6
  • 3 total stops
  • 20h 45m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return 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.
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Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 28 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 return flight

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 14/6

19:40-07:55

Nonstop7h 15m

London Gatwick

Wed 17/6

12:40-00:25

1 stop16h 45m

£442

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 9/6

19:15-10:45

1 stop10h 30m

London Gatwick

Sat 13/6

12:40-20:05

1 stop12h 25m

£476

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 22/6

17:25-09:40

1 stop11h 15m

London Gatwick

Wed 15/7

10:25-00:20

2 stops18h 55m

£582

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 1/7

08:40-07:55

1 stop18h 15m

London Gatwick

Sat 31/10

11:40-00:39

1 stop16h 59m

£603
Fastest return journey

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 3/7

19:40-07:55

Nonstop7h 15m

London Gatwick

Sun 2/8

09:40-12:40

Nonstop8h 00m

£613

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 7/7

19:40-07:55

Nonstop7h 15m

London Gatwick

Fri 31/7

09:40-12:40

Nonstop8h 00m

£614

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 31/7

19:40-07:55

Nonstop7h 15m

London Gatwick

Wed 12/8

09:40-20:40

1 stop16h 00m

£618

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 28/7

19:40-07:55

Nonstop7h 15m

London Gatwick

Wed 12/8

09:40-20:40

1 stop16h 00m

£618

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 6/7

16:00-07:55

1 stop10h 55m

London Gatwick

Tue 28/7

09:40-12:40

Nonstop8h 00m

£620

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 28/8

17:10-09:25

1 stop11h 15m

London Gatwick

Sun 20/9

17:00-15:00

1 stop27h 00m

£670

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 22 resultsSorted by cheapest first
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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 return 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 28 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to London Gatwick Airport as you normally would.

How much does it cost for a return flight from Ottawa to London Gatwick Airport?

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?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to London Gatwick. On average, Ottawa has 0 outbound flights to London Gatwick per day from 0 airlines. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

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

    For as low as £442, Porter Airlines can have you in London Gatwick Airport from Ottawa in 7h 15m. The distance from Ottawa to London Gatwick Airport is about 3340 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking at all options, your cheapest flight can be booked for £367. While the most popular route (Ottawa - London Gatwick) can be booked for £383 on average, our data indicates £487 when flying from Ottawa to London Gatwick Airport.

  • 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 holiday 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Romford
Guildford
Borehamwood
Southall
Southend-on-Sea

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Deals for Ottawa to Gatwick flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Gatwick.

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

Yes, we can. To see specific flights from Ottawa to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Gatwick from Ottawa today and book when prices fit your budget.

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