Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to London from C$ 358

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 30/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:45 p.m. - 8:35 p.m.YYZ-LGW
16h 50m2 stops
TAP AIR PORTUGAL Logo
10:40 a.m. - 9:15 p.m.LGW-YYZ
15h 35m1 stop
C$ 758TAP AIR PORTUGAL
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Icelandair Logo
11:25 p.m. - 2:40 p.m.YYZ-LGW
10h 15m1 stop
Icelandair Logo
3:40 p.m. - 7:10 p.m.LGW-YYZ
32h 30m1 stop
C$ 759Icelandair
Find Deal
Fri, 3 Apr - Thu, 16 Apr
Air Transat Logo
9:35 p.m. - 9:45 a.m.YYZ-LGW
7h 10mdirect
Air Transat Logo
11:40 a.m. - 3:00 p.m.LGW-YYZ
8h 20mdirect
C$ 763Air Transat
Find Deal
Fri, 13 Feb - Mon, 23 Feb
Icelandair Logo
8:50 p.m. - 2:40 p.m.YYZ-LGW
12h 50m1 stop
Icelandair Logo
3:40 p.m. - 10:15 p.m.LGW-YYZ
11h 35m1 stop
C$ 765Icelandair
Find Deal
Thu, 16 Apr - Mon, 27 Apr
Air Transat Logo
9:35 p.m. - 9:45 a.m.YYZ-LGW
7h 10mdirect
Air Transat Logo
11:40 a.m. - 3:00 p.m.LGW-YYZ
8h 20mdirect
C$ 767Air Transat
Find Deal
Wed, 7 Jan - Sun, 18 Jan
Multiple Airlines Logo
4:30 p.m. - 7:40 a.m.YTZ-LGW
34h 10m3 stops
Multiple Airlines Logo
8:55 p.m. - 9:20 p.m.LGW-YTZ
29h 25m2 stops
C$ 829Multiple Airlines
Find Deal
Fri, 23 Jan - Sun, 1 Feb
Multiple Airlines Logo
7:10 p.m. - 7:10 p.m.YUL-LGW
19h 00m1 stop
Multiple Airlines Logo
3:50 p.m. - 10:40 a.m.LGW-YUL
23h 50m1 stop
C$ 840Multiple Airlines
Find Deal
Wed, 22 Apr - Wed, 6 May
Porter Airlines Logo
5:25 p.m. - 9:45 a.m.YUL-LGW
11h 20m1 stop
Porter Airlines Logo
11:40 a.m. - 10:20 p.m.LGW-YUL
15h 40m1 stop
C$ 853Porter Airlines
Find Deal
Thu, 27 Nov - Wed, 3 Dec
WestJet Logo
6:00 a.m. - 9:15 a.m.YKF-LGW
46h 15m2 stops
WestJet Logo
10:45 a.m. - 12:45 a.m.LGW-YKF
43h 00m2 stops
C$ 1,516WestJet
Find Deal
Tue, 5 May - Sun, 10 May
WestJet Logo
6:00 a.m. - 9:05 a.m.YHM-LGW
46h 05m2 stops
WestJet Logo
10:45 a.m. - 12:40 a.m.LGW-YHM
42h 55m2 stops
C$ 1,523WestJet
Find Deal
Wed, 13 May - Thu, 18 Jun

Air Transat flights from Region of Ontario to London Gatwick Airport

Our best Air Transat deals on Region of Ontario to London Gatwick Airport flight tickets
Air Transat
7 Jan
YYZ9:35 p.m.Toronto Pearson Intl
7h 10m
LGW9:45 a.m.London Gatwick
19 Mar
LGW11:40 a.m.London Gatwick
8h 20m
YYZ4:00 p.m.Toronto Pearson Intl
C$ 767
Find similar
Air Transat
2 Dec
YYZ9:35 p.m.Toronto Pearson Intl
7h 10m
LGW9:45 a.m.London Gatwick
21 Feb
LGW11:40 a.m.London Gatwick
8h 20m
YYZ3:00 p.m.Toronto Pearson Intl
C$ 770
Find similar
Air Transat
11 Jan
YYZ9:35 p.m.Toronto Pearson Intl
7h 10m
LGW9:45 a.m.London Gatwick
17 Jan
LGW11:40 a.m.London Gatwick
8h 20m
YYZ3:00 p.m.Toronto Pearson Intl
C$ 774
Find similar

TAP AIR PORTUGAL flights from Region of Ontario to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Region of Ontario to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
11 Jan
YYZ10:45 p.m.Toronto Pearson Intl
16h 50m
2 stops
LGW8:35 p.m.London Gatwick
18 Jan
LGW10:40 a.m.London Gatwick
15h 35m
1 stop
YYZ9:15 p.m.Toronto Pearson Intl
C$ 758
Find similar
TAP AIR PORTUGAL
1 Dec
YYZ10:45 p.m.Toronto Pearson Intl
16h 50m
2 stops
LGW8:35 p.m.London Gatwick
10 Dec
LGW4:35 p.m.London Gatwick
27h 10m
1 stop
YYZ2:45 p.m.Toronto Pearson Intl
C$ 772
Find similar
TAP AIR PORTUGAL
16 Jan
YYZ10:45 p.m.Toronto Pearson Intl
12h 00m
1 stop
LGW3:45 p.m.London Gatwick
24 Jan
LGW4:35 p.m.London Gatwick
26h 50m
1 stop
YYZ2:25 p.m.Toronto Pearson Intl
C$ 779
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to London Gatwick Airport 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, momondo users made 96,600 searches. Data last updated 15 November 2025.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 11/1

10:45 p.m.-8:35 p.m.

2 stops16h 50m

London Gatwick

Sun 18/1

10:40 a.m.-9:15 p.m.

1 stop15h 35m

C$ 758

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 3/4

11:25 p.m.-2:40 p.m.

1 stop10h 15m

London Gatwick

Thu 16/4

3:40 p.m.-7:10 p.m.

1 stop32h 30m

C$ 759

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 13/2

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Mon 23/2

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 763

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 16/4

8:50 p.m.-2:40 p.m.

1 stop12h 50m

London Gatwick

Mon 27/4

3:40 p.m.-10:15 p.m.

1 stop11h 35m

C$ 765

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 7/1

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Sun 18/1

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 767

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Fri 23/1

4:30 p.m.-7:40 a.m.

3 stops34h 10m

London Gatwick

Sun 1/2

8:55 p.m.-9:20 p.m.

2 stops29h 25m

C$ 829

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

7:10 p.m.-7:10 p.m.

1 stop19h 00m

London Gatwick

Wed 6/5

3:50 p.m.-10:40 a.m.

1 stop23h 50m

C$ 840

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

5:25 p.m.-9:45 a.m.

1 stop11h 20m

London Gatwick

Wed 3/12

11:40 a.m.-10:20 p.m.

1 stop15h 40m

C$ 853

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Tue 5/5

6:00 a.m.-9:15 a.m.

2 stops46h 15m

London Gatwick

Sun 10/5

10:45 a.m.-12:45 a.m.

2 stops43h 00m

C$ 1,516

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Wed 13/5

6:00 a.m.-9:05 a.m.

2 stops46h 05m

London Gatwick

Thu 18/6

10:45 a.m.-12:40 a.m.

2 stops42h 55m

C$ 1,523

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Region of Ontario to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Gatwick Airport?

If you are unable to visit London Gatwick Airport during the month of February, then departing from Region of Ontario during the month January is also very affordable. Most momondo users find prices during this month for around C$ 734.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart on your flight to London Gatwick Airport is on a Sunday when prices can be found for as low as C$ 788. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 879.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Our most recent data shows that the best time of day to fly to London Gatwick Airport is in the evening. Flights from Region of Ontario to London Gatwick Airport during this time can be as low as C$ 846. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 916 on average. Flights to London Gatwick Airport from Region of Ontario at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ontario to London Gatwick flight route?

Fly from Toronto Pearson Intl to London Gatwick for the best Ontario - London Gatwick flight prices

How far in advance should I book a flight to London Gatwick Airport?

You are more likely to see cheaper flights to London Gatwick Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around C$ 868 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Region of Ontario for as low as C$ 750 on momondo.

What cabin class options are available on Ontario to London Gatwick flights?

There are 3 cabin classes available to choose from on Ontario to London Gatwick flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Region of Ontario to London Gatwick Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London Gatwick Airport

Best price found

C$ 436

Fastest flight time

6h 45m

Direct flights

Every day
The best one-way flight to London Gatwick Airport from Region of Ontario in the past 72 hours is C$ 436. The best round-trip flight deal from Region of Ontario to London Gatwick Airport found on momondo in the last 72 hours is C$ 795.
The fastest flight from Region of Ontario to London Gatwick Airport takes 6h 45m
Direct flights go from Region of Ontario to London Gatwick Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Ontario to London Gatwick Airport?

    Prices for flights from Ontario to London Gatwick Airport are updated daily.

  • How many operators does momondo search for flights from Ontario to London Gatwick Airport?

  • How old do you have to be to fly from Ontario to London Gatwick Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents required for your trip to London Gatwick Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Region of Ontario to London Gatwick Airport?

Best airlines flying from Region of Ontario to London Gatwick Airport

Compare and see reviews for airlines that fly from Region of Ontario to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom C$ 435Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
Air TransatPriceFrom C$ 587Free CancellationRating
7.8
473 reviews
Search Air Transat flights
TAP AIR PORTUGALPriceFrom C$ 647Free CancellationRating
7.1
2,059 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom C$ 653Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Porter AirlinesPriceFrom C$ 660Free CancellationRating
8.0
390 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 720Free CancellationRating
7.1
10,450 reviews
Search Air Canada flights
WestJetPriceFrom C$ 724Free CancellationRating
7.2
3,162 reviews
Search WestJet flights
British AirwaysPriceFrom C$ 731Free CancellationRating
6.7
7,521 reviews
Search British Airways flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ipswich
Dartford
Gatwick
Ilford
Chelmsford
Wokingham
Slough
Canterbury
Feltham
Hayes
Uxbridge
Wembley
Waterlooville
Newport
Basingstoke
Milton Keynes
Dover
Worthing
Maidstone

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to London?

It is quick and easy to find Ontario to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Ontario to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to London?

momondo helps you find the best flight between Ontario and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 15/12
Mon 22/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom C$ 658
Flights to London City Airportfrom C$ 822
Flights to London Luton Airportfrom C$ 708
Flights to London Stansted Airportfrom C$ 686
Flights to London Southend Airportfrom C$ 795
Flights to Glasgow Intl Airportfrom C$ 683
Flights to Belfast Intl Airportfrom C$ 849
Flights to Belfast City Airportfrom C$ 860