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Cheap flights from Ontario to London Gatwick Airport from £171

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
21 Apr — 28 Apr1
1 adult

Cheap flight deals from Ontario to Gatwick

Keep the following information in mind while searching for Ontario to Gatwick flight deals. Data was last updated 16 April 2025.

Round-trip from

£353

One-way from

£171

Popular in

December

Cheapest in

February

Average price

£421

Good round-trip deal

£406 or less

Good one-way deal

£192 or less
Air Transat
  • Air Transat
  • 22/5-28/5
  • Nonstop
  • 14h 25m total
  • Ontario to London
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WestJet
  • WestJet
  • 9/6
  • 1 total stop
  • 8h 55m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Ontario to London Gatwick.
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Price to beat on a one-way flight from Ontario to London Gatwick.
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Find flight deals from Ontario to Gatwick

Cheapest flights from Ontario to Gatwick
Explore the most affordable flight options available from Ontario to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Thu 22/522:05YUL - LGW
Nonstop6h 45mAir Transat
Wed 28/511:35LGW - YUL
Nonstop7h 40mAir Transat
Deal found 15/4£353
Sat 17/518:55YTZ - LGW
1 stop9h 55mAir Transat
Fri 30/511:35LGW - YTZ
1 stop15h 45mAir Transat
Deal found 14/4£360
Sun 8/623:00YYZ - LGW
1 stop31h 45mIcelandair
Tue 17/615:40LGW - YYZ
1 stop11h 15mIcelandair
Deal found 15/4£360
Sat 24/518:55YTZ - LGW
1 stop9h 55mPorter Airlines
Tue 27/511:35LGW - YTZ
1 stop11h 35mPorter Airlines
Deal found 13/4£361
Thu 8/522:45YYZ - LGW
Nonstop7h 00mAir Transat
Wed 14/511:35LGW - YYZ
1 stop10h 50mAir Transat
Deal found 14/4£362
Thu 1/518:35YYZ - LGW
1 stop10h 15mPorter Airlines
Wed 7/511:35LGW - YYZ
1 stop12h 33mPorter Airlines
Deal found 13/4£381
Thu 22/522:05YUL - LGW
Nonstop6h 45mPorter Airlines
Wed 28/512:40LGW - YUL
1 stop25h 22mPorter Airlines
Deal found 15/4£388
Thu 8/507:35YYZ - LGW
1 stop20h 50mMultiple Airlines
Tue 13/507:10LGW - YYZ
2 stops58h 20mMultiple Airlines
Deal found 14/4£412
Tue 6/506:00YYZ - LGW
2 stops21h 35mAmerican Airlines
Tue 20/514:30LGW - YYZ
2 stops31h 50mAmerican Airlines
Deal found 15/4£415
Sat 14/619:30YYZ - LGW
1 stop8h 55mWestJet
Thu 19/610:45LGW - YYZ
1 stop11h 06mWestJet
Deal found 15/4£418
Tue 6/520:15YYZ - LGW
1 stop16h 35mSWISS
Thu 15/518:40LGW - YYZ
1 stop26h 45mSWISS
Deal found 14/4£433
Mon 28/407:47YUL - LGW
2 stops19h 23mAmerican Airlines
Sun 4/514:45LGW - YUL
1 stop31h 10mAmerican Airlines
Deal found 15/4£435

Cheapflights Fare Finder

Customise your flight search to find flights from Ontario 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 16 April 2025.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Ontario

Fly to

Gatwick

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 28/5

11:35-14:15

Nonstop7h 40m

£353

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 8/6

23:00-11:45

1 stop31h 45m

London Gatwick

Tue 17/6

15:40-21:55

1 stop11h 15m

£360

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 17/5

18:55-09:50

1 stop9h 55m

London Gatwick

Fri 30/5

11:35-22:20

1 stop15h 45m

£360

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 24/5

18:55-09:50

1 stop9h 55m

London Gatwick

Tue 27/5

11:35-18:10

1 stop11h 35m

£361

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 8/5

16:00-09:50

1 stop12h 50m

London Gatwick

Wed 14/5

11:35-17:25

1 stop10h 50m

£362

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 1/5

18:35-09:50

1 stop10h 15m

London Gatwick

Wed 7/5

11:35-19:08

1 stop12h 33m

£381

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 28/5

12:40-09:02

1 stop25h 22m

£388

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 8/5

07:35-09:25

1 stop20h 50m

London Gatwick

Tue 13/5

07:10-12:30

2 stops58h 20m

£412

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 6/5

06:00-08:35

2 stops21h 35m

London Gatwick

Tue 20/5

14:30-17:20

2 stops31h 50m

£415

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 14/6

19:30-09:25

1 stop8h 55m

London Gatwick

Thu 19/6

10:45-16:51

1 stop11h 06m

£418

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 59 results
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6

Best time to book a flight from Ontario to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ontario 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 Ontario to London Gatwick Airport

What is the cheapest month to book a flight from Region of Ontario to London Gatwick Airport?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £101). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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 ON to LGW?

Find hourly flight availability from Ontario 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 16 April 2025.

When flying from Region of Ontario 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.

Weekly flight availability from Region of Ontario to London Gatwick Airport

Explore weekly flight availability from Ontario to Gatwick. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 April 2025.

The most flights from CAON to LGW are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 16 April 2025.
Read through reviews of airlines operating flights from Ontario to London, such as Porter Airlines, Air Transat and Azores Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
281 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Crew

8.7

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very Good
281 reviews
Porter Airlines
8.0
Very Good
281 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Crew

8.7

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very Good
281 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Crew

8.7

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Azores Airlines
7.5
Good
65 reviews
Porter Airlines
8.0
Very Good
281 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Crew

8.7

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,580 reviews
Porter Airlines
8.0
Very Good
281 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Crew

8.7

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very Good
281 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

8.0

Crew

8.7

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

Related info for your journey

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

  • What are the cheapest airlines to fly from Region of Ontario to London Gatwick Airport one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £171. Porter Airlines flights start at £210 while deals on Air Transat start at £224 one-way.

  • What are the most popular routes from Region of Ontario to London Gatwick Airport?

    The most popular route from Region of Ontario to London Gatwick Airport is Toronto Pearson Intl - London Gatwick. You may also consider Toronto Island - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London Gatwick.

  • What are the cheapest flights from Region of Ontario to London Gatwick Airport?

    On average you can expect to pay £546 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £162 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £356.

  • Can I find deals for flights from Ontario to Gatwick that include hotel bookings?

    Yes. In addition to deals on Ontario to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Gatwick.

  • Can I find deals for business class flights from Ontario to Gatwick?

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to London Gatwick Airport?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £101). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Wembley
Hayes
Crawley
Southend-on-Sea
Maidstone
Ipswich
Southall
Ilford
Winchester
Folkestone
Dartford
Watford

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Alternative routes for Ontario to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Gatwick

Discover the top 3 airlines that operate flights from Ontario 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 858,174 searches. Data last updated 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£336Average£488FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£357Average£528FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapest£381Average£559FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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 Ontario to Gatwick?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Gatwick from Ontario.

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

Need flexible booking options for your flight to Gatwick from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Ontario 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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