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Cheap flights from London to Ontario from C$ 512

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YYZ
22 Jan — 29 Jan1
1 adult

Cheap flight deals from London to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Ontario (CAON). 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 17 January 2025.

Round-trip from

C$ 640

One-way from

C$ 512
SWISS
  • SWISS
  • 18/2-4/3
  • 4 total stops
  • 43h 15m total
  • London to Ontario
Search Deals
27/4
  • 27/4
  • 2 total stops
  • 18h 05m total
  • London 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 17 January 2025.

Mon 27/18:55 a.m.LHR - YYZ
1 stop12h 25mSWISS
Tue 11/22:00 p.m.YYZ - LHR
2 stops18h 00mSWISS
Deal found 15/1C$ 640
Thu 20/211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Tue 13/54:25 p.m.YYZ - LGW
1 stop12h 25mAir Transat
Deal found 16/1C$ 640
Thu 6/28:55 a.m.LHR - YTZ
2 stops28h 15mAir Canada
Mon 10/210:25 a.m.YTZ - LHR
1 stop15h 45mAir Canada
Deal found 16/1C$ 640
Mon 10/311:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Fri 2/511:00 p.m.YYZ - LGW
1 stop10h 40mIcelandair
Deal found 15/1C$ 641
Tue 4/29:15 a.m.LCY - YYZ
1 stop11h 45mMultiple Airlines
Wed 19/29:25 p.m.YYZ - LCY
1 stop14h 15mMultiple Airlines
Deal found 15/1C$ 641
Thu 13/29:30 a.m.LHR - YYZ
1 stop11h 45mLufthansa
Tue 18/28:10 p.m.YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 16/1C$ 642
Tue 17/611:35 a.m.LGW - YTZ
1 stop13h 45mAir Transat
Mon 7/76:00 p.m.YTZ - LGW
1 stop10h 50mAir Transat
Deal found 16/1C$ 642
Wed 5/28:40 p.m.LHR - YYZ
1 stop26h 35mIcelandair
Fri 28/38:45 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Deal found 16/1C$ 645
Mon 17/33:00 p.m.LHR - YTZ
1 stop21h 10mLufthansa
Mon 24/35:25 p.m.YTZ - LHR
1 stop9h 45mLufthansa
Deal found 15/1C$ 647
Wed 19/310:00 a.m.LCY - YYZ
1 stop14h 55mLufthansa
Tue 25/37:15 p.m.YYZ - LCY
1 stop10h 10mLufthansa
Deal found 14/1C$ 648
Sun 9/27:25 p.m.LHR - YYZ
1 stop24h 10mAir Canada
Sun 16/28:10 p.m.YYZ - LHR
Nonstop7h 20mAir Canada
Deal found 16/1C$ 651
Fri 7/36:35 a.m.STN - YYZ
2 stops16h 40mMultiple Airlines
Sat 22/38:45 p.m.YYZ - STN
2 stops22h 35mMultiple Airlines
Deal found 16/1C$ 651

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 27/1

8:05 p.m.-6:05 p.m.

2 stops27h 00m

Toronto Pearson Intl

Mon 3/2

2:00 p.m.-8:05 a.m.

2 stops13h 05m

C$ 640

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 20/2

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

Nonstop8h 20m

Toronto Pearson Intl

Tue 13/5

4:25 p.m.-9:50 a.m.

1 stop12h 25m

C$ 640

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 6/2

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

2 stops17h 55m

Toronto Island

Mon 10/2

3:25 p.m.-7:10 a.m.

1 stop10h 45m

C$ 640

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 10/3

11:55 a.m.-7:15 p.m.

1 stop11h 20m

Toronto Pearson Intl

Sat 3/5

11:00 p.m.-2:40 p.m.

1 stop10h 40m

C$ 641

LondonToronto

LCY - YYZ

LCYYYZ

London City

Tue 4/2

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

1 stop11h 45m

Toronto Pearson Intl

Wed 19/2

9:25 p.m.-4:40 p.m.

1 stop14h 15m

C$ 641

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 13/2

9:30 a.m.-4:15 p.m.

1 stop11h 45m

Toronto Pearson Intl

Tue 18/2

2:00 p.m.-7:10 a.m.

1 stop12h 10m

C$ 642

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 5/2

8:40 p.m.-6:15 p.m.

1 stop26h 35m

Toronto Pearson Intl

Sat 29/3

8:50 p.m.-10:55 a.m.

1 stop10h 05m

C$ 645

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 22/1

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

1 stop12h 15m

Toronto Pearson Intl

Wed 29/1

11:30 p.m.-6:20 p.m.

1 stop13h 50m

C$ 647

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 17/3

3:00 p.m.-8:10 a.m.

1 stop21h 10m

Toronto Island

Mon 24/3

5:25 p.m.-7:10 a.m.

1 stop9h 45m

C$ 647

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 3/6

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

1 stop10h 50m

Toronto Island

Tue 17/6

6:00 p.m.-9:50 a.m.

1 stop10h 50m

C$ 648

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

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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$ 168). 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 17 January 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 17 January 2025.

The most flights from LON to CAON are scheduled on a Tuesday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 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 17 January 2025.
Get a feel of what it's like to fly with Air France, Delta 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
8,511 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

LOT
7.6
Good
1,112 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 Virgin Atlantic (C$ 519), Air Transat (C$ 519), and TAP AIR PORTUGAL (C$ 525).

  • 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 (92%), Ethiopian Air (90%) or SriLankan Airlines (87%) 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$ 1,935, our data shows the cheapest flight currently is C$ 695. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 529 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$ 168). 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 360AverageC$ 873FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapestC$ 578AverageC$ 921FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 616AverageC$ 892FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 645AverageC$ 1,147FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapestC$ 649AverageC$ 1,026FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 670AverageC$ 989FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapestC$ 681AverageC$ 1,118FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Scandinavian AirlinesCheapestC$ 687AverageC$ 1,199FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapestC$ 691AverageC$ 956FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapestC$ 697AverageC$ 1,049FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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