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Cheap flights from Toronto Region of Waterloo Intl Airport to London from C$ 450

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 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Toronto Region of Waterloo Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 a.m. - 6:20 a.m.
YKF
-
LGW
18h 50m
2 stops
Multiple Airlines Logo
9:35 p.m. - 6:20 p.m.
LGW
-
YKF
25h 45m
2 stops
C$ 989Multiple Airlines
Thu, 16 Apr - Tue, 5 May
Multiple Airlines Logo
6:30 a.m. - 2:40 p.m.
YKF
-
LGW
27h 10m
3 stops
Multiple Airlines Logo
10:00 p.m. - 6:20 p.m.
LGW
-
YKF
25h 20m
2 stops
C$ 995Multiple Airlines
Thu, 16 Apr - Wed, 6 May
Multiple Airlines Logo
9:25 a.m. - 6:20 a.m.
YKF
-
LGW
15h 55m
2 stops
Multiple Airlines Logo
6:35 a.m. - 5:29 a.m.
LGW
-
YKF
27h 54m
2 stops
C$ 1,187Multiple Airlines
Sat, 4 Apr - Fri, 10 Apr
Multiple Airlines Logo
9:25 a.m. - 10:00 a.m.
YKF
-
LGW
20h 35m
2 stops
Multiple Airlines Logo
9:35 p.m. - 5:29 a.m.
LGW
-
YKF
36h 54m
3 stops
C$ 1,284Multiple Airlines
Thu, 26 Mar - Tue, 7 Apr
Multiple Airlines Logo
4:05 p.m. - 9:25 a.m.
YKF
-
LGW
12h 20m
1 stop
Multiple Airlines Logo
10:45 a.m. - 6:20 p.m.
LGW
-
YKF
12h 35m
1 stop
C$ 1,331Multiple Airlines
Sat, 23 May - Sun, 7 Jun
Multiple Airlines Logo
7:05 p.m. - 10:00 a.m.
YKF
-
LGW
33h 55m
2 stops
Multiple Airlines Logo
10:45 a.m. - 6:20 p.m.
LGW
-
YKF
12h 35m
1 stop
C$ 1,361Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
7:05 p.m. - 9:25 a.m.
YKF
-
LGW
33h 20m
2 stops
Multiple Airlines Logo
10:45 a.m. - 6:20 p.m.
LGW
-
YKF
12h 35m
1 stop
C$ 1,609Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
7:05 p.m. - 9:25 a.m.
YKF
-
LGW
33h 20m
2 stops
Multiple Airlines Logo
10:45 a.m. - 6:20 p.m.
LGW
-
YKF
12h 35m
1 stop
C$ 1,627Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
8:40 p.m. - 7:15 a.m.
YKF
-
LGW
53h 35m
2 stops
Multiple Airlines Logo
10:45 a.m. - 6:20 p.m.
LGW
-
YKF
12h 35m
1 stop
C$ 1,680Multiple Airlines
Mon, 8 Jun - Thu, 18 Jun
WestJet Logo
8:40 p.m. - 9:25 a.m.
YKF
-
LGW
31h 45m
2 stops
WestJet Logo
10:45 a.m. - 7:50 p.m.
LGW
-
YKF
38h 05m
2 stops
C$ 1,780WestJet
Sun, 7 Jun - Mon, 29 Jun

WestJet flights from Toronto Region of Waterloo Intl Airport to London

Our best WestJet deals on Toronto Region of Waterloo Intl Airport to London flight tickets
WestJet
7 Jun
YKF8:40 p.m.Toronto Region of Waterloo Intl
31h 45m
2 stops
LGW9:25 a.m.London Gatwick
29 Jun
LGW10:45 a.m.London Gatwick
38h 05m
2 stops
YKF7:50 p.m.Toronto Region of Waterloo Intl
C$ 1,780
WestJet
10 Jun
YKF8:40 p.m.Toronto Region of Waterloo Intl
55h 45m
2 stops
LGW9:25 a.m.London Gatwick
19 Jun
LGW10:45 a.m.London Gatwick
38h 05m
2 stops
YKF7:50 p.m.Toronto Region of Waterloo Intl
C$ 1,926
WestJet
15 Jul
YKF8:40 p.m.Toronto Region of Waterloo Intl
55h 45m
2 stops
LGW9:25 a.m.London Gatwick
29 Jul
LGW10:45 a.m.London Gatwick
38h 05m
2 stops
YKF7:50 p.m.Toronto Region of Waterloo Intl
C$ 1,963

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 17 March 2026.
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

Cheapest round-trip

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Thu 16/4

6:30 a.m.-6:20 a.m.

2 stops18h 50m

London Gatwick

Tue 5/5

9:35 p.m.-6:20 p.m.

2 stops25h 45m

C$ 989

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Thu 16/4

6:30 a.m.-2:40 p.m.

3 stops27h 10m

London Gatwick

Wed 6/5

10:00 p.m.-6:20 p.m.

2 stops25h 20m

C$ 995

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 4/4

9:25 a.m.-6:20 a.m.

2 stops15h 55m

London Gatwick

Fri 10/4

6:35 a.m.-5:29 a.m.

2 stops27h 54m

C$ 1,187

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Thu 26/3

9:25 a.m.-10:00 a.m.

2 stops20h 35m

London Gatwick

Tue 7/4

9:35 p.m.-5:29 a.m.

3 stops36h 54m

C$ 1,284
Quickest round-trip

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sat 23/5

4:05 p.m.-9:25 a.m.

1 stop12h 20m

London Gatwick

Sun 7/6

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,331

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sun 26/4

7:05 p.m.-10:00 a.m.

2 stops33h 55m

London Gatwick

Sun 3/5

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,361

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Thu 30/4

7:05 p.m.-9:25 a.m.

2 stops33h 20m

London Gatwick

Thu 7/5

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,609

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Thu 30/4

7:05 p.m.-9:25 a.m.

2 stops33h 20m

London Gatwick

Thu 7/5

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,627

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 8/6

8:40 p.m.-7:15 a.m.

2 stops53h 35m

London Gatwick

Thu 18/6

10:45 a.m.-6:20 p.m.

1 stop12h 35m

C$ 1,680

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Sun 7/6

8:40 p.m.-9:25 a.m.

2 stops31h 45m

London Gatwick

Mon 29/6

10:45 a.m.-7:50 p.m.

2 stops38h 05m

C$ 1,780

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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$ 1,168. 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 Monday, 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$ 1,252.

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 in the evening. Flights from Toronto Region of Waterloo Intl Airport to London during this time can be as low as C$ 1,141. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,313 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

Fastest flight time

20h 35m

Direct flights

None
The fastest flight from Toronto Region of Waterloo Intl Airport to London takes 20h 35m
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.
Search flight deals

  • 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 20h 35m, 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?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Wembley
Ilford
Slough
Gatwick
Wokingham
Crawley
Feltham
Hayes
Newport
Waterlooville
Chelmsford
Basingstoke
Milton Keynes
Dover
Guildford
Worthing
Ipswich
Maidstone
Woking

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to London. momondo saves you time and could save you money on your trip.

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.

I’m not ready to book a flight from Toronto to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Toronto to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport