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Cheap flights from London to Ontario from £251

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YYZ
26 Nov — 3 Dec1
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 21 November 2024.

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 21 November 2024.

Tue 3/1220:40LHR - YYZ
1 stop26h 35mIcelandair
Wed 11/1219:45YYZ - LHR
1 stop18h 45mIcelandair
Deal found 20/11£390
Thu 28/1113:30LHR - YYZ
1 stop11h 25mLufthansa
Thu 5/1223:40YYZ - LHR
Nonstop7h 10mLufthansa
Deal found 20/11£391
Thu 21/1106:30LHR - YYZ
1 stop17h 45mDelta
Tue 26/1118:00YYZ - LHR
1 stop10h 00mDelta
Deal found 20/11£393
Fri 22/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Wed 11/1221:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 20/11£393
Wed 4/1211:55LGW - YYZ
1 stop11h 20mIcelandair
Tue 10/1219:45YYZ - LGW
1 stop10h 10mIcelandair
Deal found 20/11£399
Fri 29/1107:30LHR - YYZ
1 stop17h 25mMultiple Airlines
Wed 4/1211:00YYZ - LHR
1 stop15h 10mMultiple Airlines
Deal found 20/11£413
Thu 5/1215:00LHR - YTZ
1 stop11h 50mMultiple Airlines
Mon 9/1212:25YTZ - LHR
1 stop13h 45mMultiple Airlines
Deal found 20/11£417
Wed 4/1206:00LHR - YYZ
2 stops17h 35mAustrian Airlines
Wed 5/218:05YYZ - LHR
1 stop15h 00mAustrian Airlines
Deal found 20/11£419
Wed 27/1114:30LHR - YTZ
1 stop12h 20mAir Canada
Mon 2/1215:25YTZ - LHR
1 stop10h 45mAir Canada
Deal found 20/11£422
Wed 27/1111:10LHR - YYZ
Nonstop8h 40mAir Canada
Mon 2/1223:40YYZ - LHR
Nonstop7h 10mAir Canada
Deal found 20/11£425
Fri 6/1205:50LTN - YYZ
1 stop15h 00mMultiple Airlines
Mon 9/1217:35YYZ - LTN
1 stop10h 00mMultiple Airlines
Deal found 20/11£429
Wed 4/1211:20LGW - YYZ
2 stops29h 36mFinnair
Tue 10/1206:00YYZ - LGW
2 stops20h 30mFinnair
Deal found 20/11£431

Find flights from London to Ontario within your budget

Customise 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 953,013 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 3/12

20:40-18:15

1 stop26h 35m

Toronto Pearson Intl

Wed 11/12

19:45-19:30

1 stop18h 45m

£390

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 2/5

12:40-15:40

Nonstop8h 00m

Toronto Pearson Intl

Wed 14/5

22:45-10:45

Nonstop7h 00m

£390

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 15/1

18:45-16:20

1 stop26h 35m

Toronto Pearson Intl

Thu 23/1

20:30-17:50

1 stop16h 20m

£391

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 25/2

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Wed 14/5

23:00-14:40

1 stop10h 40m

£392

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 17/1

06:35-16:15

2 stops14h 40m

Toronto Pearson Intl

Fri 24/1

21:35-20:35

1 stop18h 00m

£393

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 14/1

13:45-16:20

1 stop31h 35m

Toronto Pearson Intl

Mon 27/1

20:30-13:00

1 stop11h 30m

£394

LondonToronto

LCY - YYZ

LCYYYZ

London City

Fri 17/1

10:00-19:55

1 stop14h 55m

Toronto Pearson Intl

Tue 21/1

20:30-12:50

1 stop11h 20m

£395

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 19/3

15:00-21:50

1 stop10h 50m

Toronto Island

Sun 23/3

17:25-07:10

1 stop9h 45m

£395

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 14/4

11:30-20:45

1 stop14h 15m

Toronto Pearson Intl

Tue 22/4

18:15-13:45

1 stop14h 30m

£396

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 12/3

09:30-17:15

1 stop11h 45m

Toronto Pearson Intl

Sat 15/3

21:10-08:30

Nonstop7h 20m

£398

Flights are sorted by cheapest return flights first.

Deals found on 19/11

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 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.

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 £488). Flying from London to Region of Ontario in June is currently the most expensive (average of £664). 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 21 November 2024.

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 21 November 2024.

The most flights from LON to CAON are scheduled on a Monday (34 on average). You will have fewer flight options on Sunday, 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 inches 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 21 November 2024.
Read reviews from past customers who have flown Icelandair, Air Transat and SWISS from London to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,756 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,756 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,350 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
389 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
7.7
Good
1,300 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,165 reviews
Delta
8.0
Very Good
8,756 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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 cheapet airlines for a one-way flight from London to Region of Ontario are WestJet (£298), TAP AIR PORTUGAL (£334), and Aer Lingus (£355).

  • 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?

    The top 3 most reliable airlines when flying from London to Region of Ontario are Thai Airways (95%), Ethiopian Air (93%) and SriLankan Airlines (88%).

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

    The cheapest flight price from London to Region of Ontario is £392. On average you can expect to pay £1,305. The most popular route, (London Heathrow - Toronto Pearson Intl), can usually be booked for £343.

  • 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 holiday 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 £488). Flying from London to Region of Ontario in June is currently the most expensive (average of £664). 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.
Heathrow to Pearson Intl flights
Heathrow to Vancouver Intl flights
Gatwick to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
London City to Pearson Intl flights
Heathrow to Toronto Island flights
Gatwick to Vancouver Intl flights
Heathrow to Calgary flights
London City to Vancouver Intl flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pearson Intl flights
Heathrow to Abbotsford flights
Gatwick to Calgary flights
Stansted to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Calgary flights
Heathrow to Ottawa flights
Manchester to Pearson Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Heathrow to Halifax flights
Manchester to Vancouver Intl flights
Gatwick to Ottawa flights
Gatwick to Toronto Island flights
Manchester to Toronto Island flights
Edinburgh to Pearson Intl flights
Heathrow to Québec City flights
Heathrow to Edmonton flights
Luton to Calgary flights
London City to Ottawa flights
Heathrow to Hamilton flights
Heathrow to Victoria flights
Manchester to Abbotsford flights
Gatwick to Halifax flights
Gatwick to Hamilton flights
Birmingham to Pearson Intl flights
London City to Québec City flights
Heathrow to Kelowna flights
Gatwick to Québec City flights
London City to Halifax flights
Stansted to Pierre Elliott Trudeau Intl flights
Gatwick to Edmonton flights
Luton to Vancouver Intl flights
Gatwick to Victoria flights
Manchester to Hamilton flights
London City to Victoria flights
Manchester to Pierre Elliott Trudeau Intl flights
Manchester to Calgary flights
Newcastle upon Tyne to Pearson Intl flights
Edinburgh to Calgary flights

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 953,013 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£188Average£378FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Air TransatCheapest£252Average£563FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£267Average£531FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TAP AIR PORTUGALCheapest£267Average£618FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£304Average£452FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£318Average£527FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£358Average£626FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£369Average£562FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£370Average£532FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£377Average£592FlexibilityNo cancel feeOn-time76%
Search Finnair 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 London to Ontario?

When you search for this flight from London to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Ontario from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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