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Cheap flights from Toronto Region of Waterloo Intl Airport to London from C$ 420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto Region of Waterloo Intl Airport to London departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Toronto Region of Waterloo Intl Airport to London

Cheap round-trip flights

WestJet Logo
6:00 a.m. - 9:25 a.m.YKF-LGW
46h 25m2 stops
WestJet Logo
10:45 a.m. - 12:45 a.m.LGW-YKF
43h 00m2 stops
C$ 1,762WestJet
Find Deal
Fri, 10 Oct - Sat, 18 Oct

momondo Fare Finder

 
Customize your flight search to find flights from Toronto Region of Waterloo Intl Airport 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, momondo users made 96,600 searches. Data last updated 29 September 2025.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Fri 10/10

6:00 a.m.-9:25 a.m.

2 stops46h 25m

London Gatwick

Sat 18/10

10:45 a.m.-12:45 a.m.

2 stops43h 00m

C$ 1,762

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 24/11

6:20 a.m.-7:20 a.m.

2 stops44h 00m

C$ 420

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 24/11

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

3 stops36h 00m

C$ 453

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sun 23/11

7:05 a.m.-7:30 a.m.

2 stops43h 25m

C$ 460

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sun 1/3

7:05 a.m.-9:15 p.m.

2 stops33h 10m

C$ 481

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Thu 19/2

7:05 a.m.-5:45 p.m.

2 stops29h 40m

C$ 502

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sun 23/11

7:05 a.m.-11:20 p.m.

3 stops35h 15m

C$ 521

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 20/10

6:00 a.m.-9:25 a.m.

2 stops46h 25m

C$ 615

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 20/10

6:00 a.m.-9:25 a.m.

2 stops46h 25m

C$ 616

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 4/10

6:00 a.m.-9:25 a.m.

2 stops46h 25m

C$ 655

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Toronto Region of Waterloo Intl Airport to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London?

According to our data, Sunday is the cheapest day to fly to London from Toronto Region of Waterloo Intl Airport. The lowest ticket price found for a Sunday departure recently was C$ 1,113. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Toronto Region of Waterloo Intl Airport to London for around C$ 1,272.

What is the cheapest time of day to depart on your flight to London?

Our most recent data shows that the best time of day to fly to London is at noon. Flights from Toronto Region of Waterloo Intl Airport to London during this time can be as low as C$ 880. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,345 per ticket.

When to book flights from Toronto Region of Waterloo Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto Region of Waterloo Intl Airport to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto Region of Waterloo Intl Airport to London (YKF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Region of Waterloo Intl Airport to London

Direct flights

None
There are no direct flights from Toronto Region of Waterloo Intl Airport to London. There are no popular flight routes from Toronto Region of Waterloo Intl Airport to London.
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  • How far is Toronto Region of Waterloo Intl to London by plane?

    London is 5785.6 km away from Toronto Region of Waterloo Intl. Flights usually cover this in 46h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Toronto Region of Waterloo Intl Airport to London?

    Prices for flights from Toronto Region of Waterloo Intl Airport to London are updated daily.

  • How old do you have to be to fly from Toronto Region of Waterloo Intl Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto Region of Waterloo Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Toronto Region of Waterloo Intl Airport to London?

Best airlines flying from Toronto Region of Waterloo Intl Airport to London

Compare and see reviews for airlines that fly from Toronto Region of Waterloo Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 727Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

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Can I find flights from Toronto to London with flexible booking policies on momondo?

Flights from Toronto to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Toronto to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Toronto to London.

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Find better results for your trip to the United Kingdom

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Airports listed have a maximum distance of 57.3 km from London
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