Find flights
When to book
FAQs

Cheap flights from Ottawa to London Gatwick Airport from £197

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LGW
20 Nov — 27 Nov1
1 adult
1 adult, Economy

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 21 October 2025.

Sat 8/1118:55YOW - LGW
1 stop9h 50mAir Transat
Thu 13/1111:40LGW - YOW
1 stop11h 44mAir Transat
Deal found 19/10£457
Sun 16/1118:55YOW - LGW
1 stop9h 50mAir Transat
Sun 23/1111:40LGW - YOW
1 stop25h 44mAir Transat
Deal found 19/10£459
Fri 21/1118:55YOW - LGW
1 stop9h 50mAir Transat
Fri 5/1211:40LGW - YOW
1 stop11h 45mAir Transat
Deal found 20/10£465
Tue 18/1115:05YOW - LGW
1 stop13h 40mAir Transat
Tue 25/1111:40LGW - YOW
1 stop11h 44mAir Transat
Deal found 19/10£466
Thu 20/1106:45YOW - LGW
1 stop22h 00mAir Transat
Tue 25/1111:40LGW - YOW
1 stop17h 59mAir Transat
Deal found 20/10£467
Thu 20/1115:05YOW - LGW
1 stop13h 40mAir Transat
Mon 24/1111:40LGW - YOW
1 stop11h 44mAir Transat
Deal found 19/10£468
Wed 19/1106:45YOW - LGW
1 stop22h 00mAir Transat
Fri 5/1211:40LGW - YOW
1 stop11h 45mAir Transat
Deal found 20/10£469
Sun 9/1106:45YOW - LGW
1 stop22h 00mAir Transat
Sun 16/1111:40LGW - YOW
1 stop25h 44mAir Transat
Deal found 20/10£474
Thu 4/1210:00YOW - LGW
1 stop18h 45mAir Transat
Thu 11/1211:40LGW - YOW
1 stop11h 45mAir Transat
Deal found 20/10£475
Fri 28/1115:05YOW - LGW
1 stop13h 40mAir Transat
Sun 8/311:40LGW - YOW
1 stop24h 45mAir Transat
Deal found 20/10£478
Fri 21/1118:55YOW - LGW
1 stop9h 50mAir Transat
Sun 7/1211:40LGW - YOW
1 stop11h 45mAir Transat
Deal found 20/10£478

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 21 October 2025.

Round-trip from

£457

One-way from

£197

Popular in

July

Cheapest in

June

Average price

£538
Air Transat
  • Air Transat
  • 8/11-13/11
  • 2 total stops
  • 21h 34m total
  • Ottawa to London
Search Deals
24/1
  • 24/1
  • 1 total stop
  • 19h 35m total
  • Ottawa to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 21 October 2025.
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 28/2

18:55-09:45

1 stop9h 50m

London Gatwick

Mon 9/3

11:40-08:25

1 stop24h 45m

£459

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 16/11

18:55-09:45

1 stop9h 50m

London Gatwick

Sun 23/11

11:40-08:24

1 stop25h 44m

£459

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 23/11

06:45-09:45

1 stop22h 00m

London Gatwick

Fri 5/12

11:40-18:25

1 stop11h 45m

£469

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 5/12

15:00-09:45

1 stop13h 45m

London Gatwick

Fri 12/12

11:40-00:41

1 stop18h 01m

£474

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 10/3

18:55-09:45

1 stop10h 50m

London Gatwick

Tue 17/3

11:40-16:51

1 stop33h 11m

£478

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 26/11

18:55-09:45

1 stop9h 50m

London Gatwick

Sun 7/12

11:40-18:25

1 stop11h 45m

£479

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 23/11

06:45-09:45

1 stop22h 00m

London Gatwick

Sun 7/12

11:40-18:25

1 stop11h 45m

£483

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 4/12

06:45-09:45

1 stop22h 00m

London Gatwick

Sun 7/12

11:40-18:25

1 stop11h 45m

£483

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 30/11

10:00-09:45

1 stop18h 45m

London Gatwick

Mon 8/12

11:40-08:25

1 stop25h 45m

£508

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Tue 31/3

09:30-10:00

1 stop19h 30m

London Gatwick

Mon 4/5

20:10-00:22

3 stops33h 12m

£523

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 22 results
1
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 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 month to book a flight from Ottawa to London Gatwick Airport?

Currently, December is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of £256). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of £481). 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.

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 21 October 2025.

When flying from Ottawa to London Gatwick Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight at midday.

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 £459, Air Transat can have you in London Gatwick Airport from Ottawa in 9h 50m. The distance from Ottawa to London Gatwick Airport is about 3340 mi.

  • 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.

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

    Currently, December is the cheapest month in which you can book a flight from Ottawa to London Gatwick Airport (average of £256). Flying from Ottawa to London Gatwick Airport in July is currently the most expensive (average of £481). 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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Wembley
Deal
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Romford
Ipswich
Brentford
Dartford
Guildford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.