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Cheap flights from London to Ontario from C$ 510

LON — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from London to Ontario

Mon 23/116:35 a.m. -
2 stops16h 40m
Sun 29/117:40 p.m. -
2 stops21h 30m
Deal found 26/10C$ 678
Mon 23/116:10 a.m. -
2 stops17h 05m
Sun 29/117:40 p.m. -
2 stops21h 30m
Deal found 26/10C$ 681
Tue 24/117:45 a.m. -
2 stops15h 30m
Sun 29/117:40 p.m. -
2 stops21h 30m
Deal found 25/10C$ 684
Thu 26/116:45 a.m. -
2 stops16h 30m
Thu 3/127:40 p.m. -
2 stops22h 35m
Deal found 29/10C$ 684
Thu 10/1212:15 p.m. -
1 stop11h 00m
Sun 13/127:40 p.m. -
1 stop10h 10m
Deal found 25/10C$ 687
Thu 12/116:15 a.m. -
2 stops17h 00m
Fri 27/117:40 p.m. -
2 stops17h 40m
Deal found 28/10C$ 690
Thu 12/116:45 a.m. -
2 stops16h 30m
Mon 30/117:40 p.m. -
2 stops19h 35m
Deal found 25/10C$ 690
Tue 24/117:15 a.m. -
2 stops16h 00m
Sun 29/117:40 p.m. -
2 stops21h 30m
Deal found 25/10C$ 691
Thu 10/1212:15 p.m. -
1 stop11h 00m
Mon 28/127:15 p.m. -
1 stop10h 35m
Deal found 27/10C$ 692
Tue 24/117:45 a.m. -
2 stops15h 30m
Mon 30/117:40 p.m. -
2 stops17h 20m
Deal found 25/10C$ 694
Tue 24/117:15 a.m. -
2 stops16h 00m
Mon 30/117:40 p.m. -
2 stops19h 35m
Deal found 25/10C$ 694
Tue 24/118:50 a.m. -
2 stops14h 25m
Tue 1/127:40 p.m. -
2 stops19h 20m
Deal found 25/10C$ 694

Find flight deals from London to Ontario

Round-trip from

C$ 678

One-way from

C$ 510

Popular in

August

Cheapest in

February

Average price

C$ 831

Good round-trip deal

C$ 695 or less

Good one-way deal

C$ 535 or less
23/11-29/11
  • 23/11-29/11
  • 4 total stops
  • 38h 10m total
  • London to Ontario
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13/1-31/12
  • 13/1-31/12
  • 1 total stop
  • 22h 50m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 147 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from London (LON) to Ontario.
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Price to beat on a one-way flight from London (LON) to Ontario.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Fri 11/12

11:10 a.m.-12:30 p.m.

1 stop30h 20m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 510

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Fri 11/12

7:15 a.m.-12:30 p.m.

1 stop34h 15m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 513

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Fri 27/11

7:15 a.m.-12:30 p.m.

1 stop34h 15m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 523

LondonToronto

LGW London Gatwick - YTZ Toronto Island

LGWYTZ

London Gatwick

Wed 18/11

4:45 p.m.-6:04 p.m.

2 stops30h 19m

Toronto Island

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 523

LondonToronto

STN London Stansted - YYZ Toronto Pearson Intl

STNYYZ

London Stansted

Sun 17/1

6:20 a.m.-9:15 p.m.

3 stops19h 55m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 524

LondonToronto

STN London Stansted - YYZ Toronto Pearson Intl

STNYYZ

London Stansted

Fri 27/11

6:30 a.m.-12:30 p.m.

1 stop35h 00m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 534

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Fri 19/2

6:40 p.m.-4:15 p.m.

1 stop26h 35m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 578

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Fri 29/1

9:00 a.m.-4:15 p.m.

1 stop12h 15m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 579

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Mon 15/2

8:05 p.m.-3:55 p.m.

1 stop24h 50m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 582

LondonToronto

LCY London City - YYZ Toronto Pearson Intl

LCYYYZ

London City

Mon 1/3

7:05 p.m.-3:45 p.m.

1 stop25h 40m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 596

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from London with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from London to Ontario

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

Currently, February is the cheapest month in which you can book a flight from London to Region of Ontario (average of C$ 766). Flying from London to Region of Ontario in August is currently the most expensive (average of C$ 1,157). 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 LON to ON?

When flying from London to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from London to Region of Ontario?

Airfare is below average for this route at the moment.
London to Region of Ontario flights typically cost between C$ 709 and C$ 917 in November.
The cheapest round-trip price found within the last 5 days was C$ 678 on Multiple Airlines (23 Nov-29 Nov).

How far ahead should I book a flight from London to Region of Ontario?

The price you pay for your flight from London to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Air Transat,Virgin Atlantic, andAir Canada from London to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
584 reviews
Check prices

Food

6.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
584 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Food

6.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Virgin Atlantic
7.5
Good
698 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Food

6.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
11,832 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Food

6.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Icelandair
6.9
Okay
764 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Food

6.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
8,298 reviews
Air Transat
7.7
Good
584 reviews
Check prices

Food

6.7

Comfort

7.3

Boarding

7.9

Crew

8.5

Entertainment

7.0

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

  • How long is the flight from London to Region of Ontario?

    Departing from London to Region of Ontario will take you 12h. There are 5702 km between London and Region of Ontario. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from London to Region of Ontario are SWISS (C$ 411), Aer Lingus (C$ 421), and TAP AIR PORTUGAL (C$ 431).

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

    The most popular route from London to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Gatwick - Toronto Pearson Intl or London Stansted - Toronto Pearson Intl.

  • What are the most reliable airlines from London to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from London to Region of Ontario consider choosing MEA (88%), Singapore Airlines (86%) or Egyptair (85%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from London to Region of Ontario is generally C$ 776, our data shows the cheapest flight currently is C$ 596. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 698 for that flight.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London to Region of Ontario (average of C$ 766). Flying from London to Region of Ontario in August is currently the most expensive (average of C$ 1,157). 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

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from London to Ontario

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 641AverageC$ 1,048FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
IcelandairCheapestC$ 656AverageC$ 700FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 659AverageC$ 1,010FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapestC$ 681AverageC$ 1,068FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapestC$ 684AverageC$ 981FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 685AverageC$ 986FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 706AverageC$ 1,040FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapestC$ 882AverageC$ 1,164FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Ontario. 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 London to Ontario?

Cheapflights helps you find that perfect flight to Ontario from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from London to Ontario with no change fees.

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