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Cheap flights from Toronto to London from £203

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — LON
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to London are usually found in February or January, booked 66 days in advance, depart on a Wednesday or Monday and return on a Friday

Cheap flight deals from Toronto to London

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to London
Explore the most affordable flight options available from Toronto to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Tue 6/1023:55 -
1 stop16h 20m
Wed 14/1012:40 -
Nonstop8h 00m
Deal found 10/8£399
Tue 6/1016:55 -
1 stop11h 55m
Wed 14/1011:35 -
1 stop13h 36m
Deal found 10/8£401
Thu 8/1017:55 -
1 stop33h 25m
Sun 11/1006:00 -
1 stop15h 10m
Deal found 12/8£401
Wed 9/921:35 -
1 stop18h 40m
Wed 16/906:15 -
1 stop12h 05m
Deal found 12/8£401
Mon 7/921:35 -
1 stop10h 05m
Fri 2/1012:40 -
Nonstop8h 00m
Deal found 12/8£401
Tue 1/922:15 -
1 stop29h 35m
Fri 4/922:00 -
1 stop21h 00m
Deal found 12/8£401
Fri 25/916:55 -
1 stop11h 55m
Fri 2/1009:40 -
1 stop31h 00m
Deal found 11/8£402
Tue 29/920:45 -
1 stop18h 35m
Mon 12/1021:25 -
1 stop26h 45m
Deal found 11/8£402
Fri 25/923:55 -
1 stop12h 30m
Wed 7/1006:15 -
1 stop14h 35m
Deal found 11/8£402
Wed 23/921:35 -
1 stop9h 55m
Wed 7/1012:40 -
Nonstop8h 00m
Deal found 11/8£402
Thu 27/823:55 -
1 stop14h 40m
Tue 1/906:30 -
1 stop14h 20m
Deal found 10/8£402
Tue 8/911:55 -
1 stop15h 00m
Wed 23/911:35 -
1 stop27h 46m
Deal found 13/8£402

Find flight deals from Toronto to London

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to London (LON). 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 15 August 2026.

Round-trip from

£401

One-way from

£203

Popular in

December

Cheapest in

February

Average price

£621

Good round-trip deal

£468 or less

Good one-way deal

£215 or less
Air Transat
  • Air Transat
  • 6/10-14/10
  • 2 total stops
  • 25h 31m total
  • Toronto to London
Search Deals
Air Transat
  • Air Transat
  • 17/9
  • 1 total stop
  • 11h 55m total
  • Toronto to London
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to London (LON).
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Toronto 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 858,174 searches. Data last updated 15 August 2026.
Use the filters below to find and compare flights from Toronto to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoLondon

YTZ Toronto Island - LGW London Gatwick

YTZLGW

Toronto Island

Thu 24/9

16:55-09:50

1 stop11h 55m

London Gatwick

Fri 2/10

09:40-16:30

1 stop11h 50m

£406
Fastest return journey

TorontoLondon

YYZ Toronto Pearson Intl - LGW London Gatwick

YYZLGW

Toronto Pearson Intl

Mon 16/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 29/11

11:40-15:00

Nonstop8h 20m

£416

TorontoLondon

YTZ Toronto Island - LGW London Gatwick

YTZLGW

Toronto Island

Tue 29/9

10:00-09:50

1 stop18h 50m

London Gatwick

Wed 21/10

11:35-20:11

1 stop13h 36m

£417

TorontoLondon

YTZ Toronto Island - LGW London Gatwick

YTZLGW

Toronto Island

Fri 2/10

16:55-09:50

1 stop11h 55m

London Gatwick

Wed 21/10

11:35-20:11

1 stop13h 36m

£417

TorontoLondon

YTZ Toronto Island - LGW London Gatwick

YTZLGW

Toronto Island

Sun 13/9

14:30-07:55

1 stop12h 25m

London Gatwick

Sun 20/9

09:40-20:15

1 stop15h 35m

£418

TorontoLondon

YYZ Toronto Pearson Intl - LGW London Gatwick

YYZLGW

Toronto Pearson Intl

Sat 16/1

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 28/2

11:40-15:00

Nonstop8h 20m

£419

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Mon 2/11

15:15-12:10

2 stops15h 55m

London Stansted

Mon 9/11

19:50-18:05

2 stops27h 15m

£427

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Wed 28/10

17:50-20:20

2 stops22h 30m

London Stansted

Mon 9/11

19:50-18:05

2 stops27h 15m

£428

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Sun 25/10

07:45-19:25

2 stops31h 40m

London Stansted

Wed 4/11

20:55-18:05

2 stops26h 10m

£429

TorontoLondon

YTZ Toronto Island - STN London Stansted

YTZSTN

Toronto Island

Thu 10/9

10:00-23:55

2 stops32h 55m

London Stansted

Thu 17/9

06:00-20:11

2 stops19h 11m

£436

Flights are sorted by cheapest return flights first.

Deals found on 14/8

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

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Toronto to London?

Currently, February is the cheapest month in which you can book a flight from Toronto to London (average of £429). Flying from Toronto to London in December is currently the most expensive (average of £677). 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 YTO to LON?

Find hourly flight availability from Toronto 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 15 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto to London as you normally would.

Weekly flight availability from Toronto to London

Explore weekly flight availability from Toronto to London. 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 15 August 2026.

The most flights from YTO to LON are scheduled on a Thursday (50 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (38 on average).

How much does it cost for a return flight from Toronto to London?

Airfare is below average for this route at the moment.
Toronto to London flights typically cost between £529 and £737 in October.
The cheapest return price found within the last 5 days was £401 on Air Transat (6 Oct–14 Oct).

What’s the top stopover airport for flights from Toronto to London?

Share of one-stop return flights from Toronto to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 45% of one-stop itineraries from Toronto to London on Cheapflights.

What’s the cheapest stopover airport for flights from Toronto to London?

Average return fare for one-stop flights from Toronto to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Ottawa (YOW) is the most affordable one-stop option, with an average return flight price of £295.

What’s the fastest stopover option from Toronto to London?

Shortest average travel time for one-stop one-way flights from Toronto to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for one-stop routes: 9h 10m.

Which airport typically offers the quickest stopover for flights from Toronto to London?

Average stopover duration for one-stop one-way flights from Toronto to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average stopover time of 1h 17m.

How often are flights from Toronto to London delayed?

About 22% of weekly flights between Toronto and London have experienced delays in the past year, with the average delay time being 149 minutes.

What is the most punctual flight time for Toronto to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Toronto to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from Toronto to London?

The price you pay for your flight from Toronto to London may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 15 August 2026.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andVirgin Atlantic from Toronto to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very Good
456 reviews
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Transat
7.8
Good
572 reviews
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Virgin Atlantic
7.5
Good
694 reviews
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Canada
7.1
Good
11,481 reviews
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
British Airways
6.7
Okay
8,168 reviews
Porter Airlines
8.0
Very Good
456 reviews
Check prices

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Related info for your journey

Find useful and relevant information for your journey from Toronto to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Toronto to London?

    For as low as £475, Air Transat can have you in London from Toronto in 7h 05m. Airlines will cover a distance of 3543 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Toronto to London round-trip?

    Currently priced at £307, Aer Lingus will fly you from Toronto to London and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and KLM - these airlines can fly you to your destination from £358 and £376, respectively. These flights start at 38% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Toronto to London one-way?

    One-way options have recently been found by users for as low as £37 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £175 and Air Transat from £207 one-way.

  • What are the most popular routes from Toronto to London?

    The most popular flight routes from Toronto to London are Toronto Pearson Intl - London Heathrow, Toronto Pearson Intl - London Gatwick and Toronto Pearson Intl - London City.

  • What are the most reliable airlines from Toronto to London?

    The top 3 most reliable airlines when flying from Toronto to London are SAUDIA (100%), KLM (90%) and Air France (90%).

  • What are the cheapest flights from Toronto to London?

    Looking for the cheapest flight from Toronto to London? While on average our users pay £1,133, our data indicates the cheapest price to be £311. The most popular route (Toronto Pearson Intl - London Heathrow), is priced around £356.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto 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 Toronto to London?

    Currently, February is the cheapest month in which you can book a flight from Toronto to London (average of £429). Flying from Toronto to London in December is currently the most expensive (average of £677). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Toronto to London

Discover the top 10 airlines that operate flights from Toronto 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 858,174 searches. Data last updated 15 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£307Average£632FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£358Average£625FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£376Average£492FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapest£385Average£527FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Virgin AtlanticCheapest£385Average£610FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£413Average£546FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£413Average£639FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£417Average£507FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£417Average£575FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£468Average£569FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Toronto to London?

Deals for Toronto to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Toronto.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to London, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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