Find flights
Deals
Airlines
FAQs

Cheap flights from Ontario to London from £192

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
5 Nov — 12 Nov1
1 adult

Find flights from Ontario to London within your budget

Customise your flight search to find flights from Ontario to London 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 1,015,184 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 21/11

16:00-12:50

1 stop15h 50m

£226

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 3/12

07:45-06:00

1 stop17h 15m

£226

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 24/11

19:45-10:50

1 stop10h 05m

£235

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 17/11

22:45-17:30

1 stop13h 45m

£236

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 20/11

14:35-09:45

1 stop14h 10m

£242

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 13/11

21:05-09:50

2 stops31h 45m

£278

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 6/11

21:35-09:45

Nonstop7h 10m

£313

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 1/1

17:35-09:05

1 stop10h 30m

£316

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 12/2

12:15-21:40

2 stops28h 25m

£369

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 28/11

20:35-15:50

1 stop14h 15m

£372

Flights are sorted by cheapest first

Deals found on 30/10

Showing 1-10 of 60 results
1
2
3
...
6

Find flight deals from Ontario to London

Cheapest flights from Ontario to London
Explore the most affordable flight options available from Ontario to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Wed 4/1217:35YYZ - LTN
1 stop10h 00mMultiple Airlines
Sun 8/1209:00LTN - YYZ
1 stop11h 50mMultiple Airlines
Deal found 29/10£398
Wed 4/1222:45YYZ - LHR
1 stop11h 45mTAP AIR PORTUGAL
Fri 13/1212:25LHR - YYZ
1 stop13h 50mTAP AIR PORTUGAL
Deal found 30/10£399
Thu 5/1219:45YYZ - LGW
1 stop10h 10mIcelandair
Wed 11/1211:55LGW - YYZ
1 stop11h 20mIcelandair
Deal found 30/10£399
Sat 16/1121:35YYZ - LGW
Nonstop7h 10mAir Transat
Sat 23/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 30/10£399
Thu 28/1117:35YYZ - STN
1 stop10h 20mMultiple Airlines
Thu 5/1206:30STN - YYZ
1 stop14h 20mMultiple Airlines
Deal found 29/10£400
Sun 10/1122:45YYZ - LGW
1 stop12h 00mTAP AIR PORTUGAL
Wed 15/116:35LGW - YYZ
1 stop27h 10mTAP AIR PORTUGAL
Deal found 30/10£403
Sun 17/1119:45YYZ - LHR
1 stop10h 05mIcelandair
Sat 23/1120:40LHR - YYZ
1 stop26h 35mIcelandair
Deal found 30/10£404
Fri 15/1120:10YYZ - LHR
Nonstop7h 20mMultiple Airlines
Thu 21/1109:30LHR - YYZ
1 stop11h 45mMultiple Airlines
Deal found 30/10£406
Sun 1/1217:35YYZ - LGW
1 stop17h 20mMultiple Airlines
Sun 8/1208:25LGW - YYZ
1 stop12h 25mMultiple Airlines
Deal found 30/10£406
Fri 15/1120:10YYZ - LHR
Nonstop7h 20mAir Canada
Sat 23/1109:30LHR - YYZ
1 stop11h 45mAir Canada
Deal found 30/10£413
Tue 12/1110:00YUL - LGW
1 stop18h 45mPorter Airlines
Tue 19/1111:40LGW - YUL
1 stop15h 03mPorter Airlines
Deal found 29/10£418
Wed 13/1117:45YUL - LGW
1 stop11h 00mAir Transat
Sun 24/1111:40LGW - YUL
1 stop15h 03mAir Transat
Deal found 29/10£424

Best time to book a flight from Ontario to London

Have a flexible travel schedule? Discover the best time to fly to London from Ontario 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 Ontario to London

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London (average of £112). Flying from Region of Ontario to London in July is currently the most expensive (average of £159). 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 ON to LON?

Find hourly flight availability from Ontario to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

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

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 31 October 2024.
See what other customers who have flown with British Airways, Air Canada and Lufthansa from Ontario to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,836 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,836 reviews
Delta
8.0
Very Good
8,836 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very Good
8,836 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.8
Good
294 reviews
Delta
8.0
Very Good
8,836 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
388 reviews
Delta
8.0
Very Good
8,836 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,318 reviews
Delta
8.0
Very Good
8,836 reviews
Check prices

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    £194 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and TAP AIR PORTUGAL, with prices starting from £226 and £236, respectively.

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

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

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

    The top 3 most reliable airlines when flying from Region of Ontario to London are American Airlines (69%), Aer Lingus (69%) and Finnair (69%).

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

    Looking for the cheapest flight from Region of Ontario to London? While on average our users pay £1,052, our data indicates the cheapest price to be £421. The most popular route (Toronto Pearson Intl - London Heathrow), is priced around £342.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London (average of £112). Flying from Region of Ontario to London in July is currently the most expensive (average of £159). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to London

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Pearson Intl to Gatwick flights
Vancouver Intl to Heathrow flights
Pearson Intl to London City flights
Pierre Elliott Trudeau Intl to Heathrow flights
Vancouver Intl to Gatwick flights
Calgary to Heathrow flights
Toronto Island to Heathrow flights
Pearson Intl to Luton flights
Pierre Elliott Trudeau Intl to Gatwick flights
Halifax to Heathrow flights
Pearson Intl to Stansted flights
Pearson Intl to Manchester flights
Calgary to Gatwick flights
Pearson Intl to Edinburgh flights
Calgary to London City flights
Abbotsford to Heathrow flights
Halifax to Gatwick flights
Ottawa to Heathrow flights
Ottawa to Gatwick flights
Pearson Intl to Birmingham flights
Edmonton to Heathrow flights
Hamilton to Gatwick flights
Edmonton to Gatwick flights
Vancouver Intl to Manchester flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to Edinburgh flights
Pearson Intl to Southampton flights
Winnipeg to Gatwick flights
Vancouver Intl to Edinburgh flights
Winnipeg to Heathrow flights
Edmonton to Manchester flights
Calgary to Manchester flights
Calgary to Edinburgh flights
Victoria to Heathrow flights
St. John's to Heathrow flights
Hamilton to Heathrow flights

Top 10 airlines flying from Ontario to London

Discover the top 10 airlines that operate flights from Ontario to London. 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 1,015,184 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£341Average£440FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£342Average£494FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£386Average£510FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£415Average£592FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£427Average£584FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£436Average£467FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£449Average£613FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£452Average£621FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£512Average£567FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£530Average£532FlexibilityNo cancel feeOn-time77%
Search Air France 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 Ontario to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Ontario today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to London for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to London from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Ontario to London 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines