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Cheap flights from London to Ontario from C$ 460

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YYZ
25 Feb — 4 Mar1
1 adult

Cheap flight deals from London to Ontario

Keep the following information in mind while searching for London to Ontario flight deals. Data was last updated 20 February 2025.

Round-trip from

C$ 587

One-way from

C$ 460

Popular in

August

Cheapest in

February

Average price

C$ 702

Good round-trip deal

C$ 596 or less

Good one-way deal

C$ 538 or less
Icelandair
  • Icelandair
  • 29/4-5/5
  • 2 total stops
  • 24h 05m total
  • London to Ontario
Search Deals
11/3
  • 11/3
  • 1 total stop
  • 22h 43m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Ontario.
Search Deals
Price to beat on a one-way flight from London (LON) to Ontario.
Search Deals

Find flight deals from London to Ontario

Cheapest flights from London to Ontario
Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Thu 6/38:55 a.m.LHR - YYZ
1 stop12h 25mAir Canada
Sat 15/39:10 p.m.YYZ - LHR
Nonstop7h 20mAir Canada
Deal found 19/2C$ 587
Tue 29/43:40 p.m.LGW - YYZ
1 stop11h 15mIcelandair
Mon 5/58:50 p.m.YYZ - LGW
1 stop12h 50mIcelandair
Deal found 19/2C$ 587
Fri 2/511:35 a.m.LGW - YYZ
1 stop10h 50mAir Transat
Sun 11/510:45 p.m.YYZ - LGW
Nonstop7h 00mAir Transat
Deal found 20/2C$ 588
Wed 7/51:30 p.m.LHR - YYZ
1 stop11h 15mLufthansa
Sun 11/58:20 p.m.YYZ - LHR
1 stop8h 40mLufthansa
Deal found 19/2C$ 592
Fri 2/511:35 a.m.LGW - YTZ
1 stop27h 45mAir Transat
Fri 9/58:55 p.m.YTZ - LGW
1 stop31h 55mAir Transat
Deal found 20/2C$ 607
Wed 12/31:30 p.m.LHR - YYZ
1 stop11h 25mMultiple Airlines
Sat 22/310:05 p.m.YYZ - LHR
1 stop18h 30mMultiple Airlines
Deal found 20/2C$ 608
Sun 23/36:00 a.m.LHR - YTZ
2 stops15h 50mAir Canada
Tue 1/43:25 p.m.YTZ - LHR
1 stop10h 05mAir Canada
Deal found 20/2C$ 618
Fri 7/36:45 p.m.LGW - YYZ
1 stop26h 35mSWISS
Sat 22/39:30 p.m.YYZ - LGW
1 stop16h 20mSWISS
Deal found 20/2C$ 619
Sat 8/38:55 a.m.LHR - YYZ
1 stop12h 25mSWISS
Sat 22/39:30 p.m.YYZ - LHR
1 stop17h 45mSWISS
Deal found 20/2C$ 625
Mon 10/36:00 a.m.LHR - YYZ
1 stop13h 35mAustrian Airlines
Mon 17/35:00 p.m.YYZ - LHR
2 stops24h 20mAustrian Airlines
Deal found 20/2C$ 651
Tue 11/35:25 p.m.LHR - YTZ
2 stops30h 25mSWISS
Tue 18/36:25 p.m.YTZ - LHR
2 stops23h 00mSWISS
Deal found 20/2C$ 659
Mon 10/310:00 a.m.LCY - YYZ
1 stop14h 55mLufthansa
Mon 5/59:10 p.m.YYZ - LCY
1 stop14h 15mLufthansa
Deal found 20/2C$ 665

Find flights from London to Ontario within your budget

Customize your flight search to find flights from London to Ontario 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 629,999 searches. Data last updated 20 February 2025.

Fly from

London

Fly to

Ontario

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 6/3

8:55 a.m.-4:20 p.m.

1 stop12h 25m

Toronto Pearson Intl

Sat 15/3

9:10 p.m.-8:30 a.m.

Nonstop7h 20m

C$ 587

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 29/4

3:40 p.m.-9:55 p.m.

1 stop11h 15m

Toronto Pearson Intl

Mon 5/5

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

1 stop12h 50m

C$ 587

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 2/5

11:35 a.m.-5:25 p.m.

1 stop10h 50m

Toronto Pearson Intl

Sun 11/5

10:45 p.m.-10:45 a.m.

Nonstop7h 00m

C$ 588

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 7/5

1:30 p.m.-7:45 p.m.

1 stop11h 15m

Toronto Pearson Intl

Sun 11/5

8:20 p.m.-10:00 a.m.

1 stop8h 40m

C$ 592

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 2/5

11:35 a.m.-10:20 a.m.

1 stop27h 45m

Toronto Island

Fri 9/5

8:55 p.m.-9:50 a.m.

1 stop31h 55m

C$ 607

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 12/3

1:30 p.m.-8:55 p.m.

1 stop11h 25m

Toronto Pearson Intl

Sat 22/3

9:10 p.m.-8:30 a.m.

Nonstop7h 20m

C$ 608

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 26/3

8:55 a.m.-9:50 p.m.

2 stops16h 55m

Toronto Island

Tue 1/4

10:20 a.m.-6:30 a.m.

2 stops15h 10m

C$ 608

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 7/3

6:45 p.m.-4:20 p.m.

1 stop26h 35m

Toronto Pearson Intl

Tue 6/5

8:15 p.m.-5:50 p.m.

1 stop16h 35m

C$ 619

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 8/3

8:55 a.m.-4:20 p.m.

1 stop12h 25m

Toronto Pearson Intl

Sat 22/3

9:30 p.m.-7:15 p.m.

1 stop17h 45m

C$ 625

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 19/3

8:55 a.m.-9:50 p.m.

2 stops16h 55m

Toronto Island

Wed 26/3

10:20 a.m.-7:10 a.m.

2 stops16h 50m

C$ 626

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 60 results
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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
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.

Travel insights for flights from London to Ontario

Get recent, data-driven insights about flights from London to Ontario including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from London to Region of Ontario (average of C$ 167). Flying from London to Region of Ontario in July is currently the most expensive (average of C$ 258). 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?

Find hourly flight availability from London to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

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.

Weekly flight availability from London to Region of Ontario

Explore weekly flight availability from London to Ontario. 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 20 February 2025.

The most flights from LON to CAON are scheduled on a Wednesday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 20 February 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from London to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Azores Airlines
7.6
Good
62 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from London to Ontario. 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 London to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from London to Region of Ontario are Air Transat (C$ 462), TAP AIR PORTUGAL (C$ 479), and WestJet (C$ 486).

  • 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 City - 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 Thai Airways (93%), Ethiopian Air (92%) or SriLankan Airlines (90%) 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$ 1,713, our data shows the cheapest flight currently is C$ 649. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 572 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, January is the cheapest month in which you can book a flight from London to Region of Ontario (average of C$ 167). Flying from London to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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Alternative routes for London to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from London to Ontario

Discover the top 10 airlines that operate flights from London to Ontario. 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 629,999 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 571AverageC$ 876FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 607AverageC$ 899FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 632AverageC$ 963FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TAP AIR PORTUGALCheapestC$ 642AverageC$ 1,038FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapestC$ 670AverageC$ 896FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapestC$ 673AverageC$ 1,105FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Scandinavian AirlinesCheapestC$ 679AverageC$ 1,185FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapestC$ 679AverageC$ 916FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapestC$ 728AverageC$ 1,219FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 730AverageC$ 928FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

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.

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

Of course! You can now track prices for flights from London to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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