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Cheap flights from Ontario to London from C$ 352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 20/5. 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 Ontario to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:35 p.m. - 7:20 p.m.
YYZ
-
STN
16h 45m
1 stop
Multiple Airlines Logo
10:45 p.m. - 9:45 p.m.
STN
-
YYZ
28h 00m
2 stops
C$ 721Multiple Airlines
Sat, 23 May - Wed, 3 Jun
Multiple Airlines Logo
10:05 p.m. - 8:30 p.m.
YYZ
-
STN
17h 25m
1 stop
Multiple Airlines Logo
6:30 a.m. - 9:45 p.m.
STN
-
YYZ
20h 15m
2 stops
C$ 722Multiple Airlines
Wed, 20 May - Thu, 28 May
Multiple Airlines Logo
6:15 p.m. - 11:35 a.m.
YYZ
-
STN
12h 20m
2 stops
Multiple Airlines Logo
8:30 a.m. - 2:55 p.m.
STN
-
YYZ
11h 25m
1 stop
C$ 723Multiple Airlines
Wed, 6 May - Tue, 19 May
Multiple Airlines Logo
11:05 p.m. - 2:40 p.m.
YYZ
-
STN
10h 35m
1 stop
Multiple Airlines Logo
10:00 p.m. - 5:10 p.m.
STN
-
YYZ
24h 10m
2 stops
C$ 725Multiple Airlines
Mon, 18 May - Mon, 15 Jun
Multiple Airlines Logo
9:35 p.m. - 9:20 p.m.
YYZ
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STN
18h 45m
1 stop
Multiple Airlines Logo
8:00 p.m. - 1:20 p.m.
STN
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YYZ
22h 20m
1 stop
C$ 726Multiple Airlines
Mon, 11 May - Mon, 18 May
Multiple Airlines Logo
9:35 p.m. - 12:50 p.m.
YYZ
-
STN
10h 15m
1 stop
Multiple Airlines Logo
10:45 p.m. - 1:20 p.m.
STN
-
YYZ
19h 35m
1 stop
C$ 728Multiple Airlines
Mon, 4 May - Wed, 20 May
Multiple Airlines Logo
11:05 p.m. - 2:40 p.m.
YYZ
-
STN
10h 35m
1 stop
Multiple Airlines Logo
10:45 p.m. - 1:20 p.m.
STN
-
YYZ
19h 35m
1 stop
C$ 729Multiple Airlines
Mon, 18 May - Wed, 20 May
Multiple Airlines Logo
10:05 p.m. - 1:25 p.m.
YYZ
-
STN
10h 20m
1 stop
Multiple Airlines Logo
10:45 p.m. - 1:20 p.m.
STN
-
YYZ
19h 35m
1 stop
C$ 730Multiple Airlines
Tue, 19 May - Wed, 27 May
Multiple Airlines Logo
9:35 p.m. - 7:25 p.m.
YYZ
-
STN
16h 50m
1 stop
Multiple Airlines Logo
8:00 p.m. - 1:20 p.m.
STN
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YYZ
22h 20m
1 stop
C$ 732Multiple Airlines
Mon, 4 May - Mon, 18 May
Multiple Airlines Logo
10:05 p.m. - 8:30 p.m.
YYZ
-
STN
17h 25m
1 stop
Multiple Airlines Logo
6:30 a.m. - 3:50 p.m.
STN
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YYZ
14h 20m
1 stop
C$ 733Multiple Airlines
Wed, 20 May - Tue, 2 Jun

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to London Stansted Airport 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 25 March 2026.
Use the filters below to find and compare flights from Ontario to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 23/5

9:35 p.m.-7:20 p.m.

1 stop16h 45m

London Stansted

Wed 3/6

10:45 p.m.-9:45 p.m.

2 stops28h 00m

C$ 721

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 20/5

10:05 p.m.-8:30 p.m.

1 stop17h 25m

London Stansted

Thu 28/5

6:30 a.m.-9:45 p.m.

2 stops20h 15m

C$ 722
Quickest round-trip

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 6/5

6:15 p.m.-11:35 a.m.

2 stops12h 20m

London Stansted

Tue 19/5

8:30 a.m.-2:55 p.m.

1 stop11h 25m

C$ 723

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 18/5

11:05 p.m.-2:40 p.m.

1 stop10h 35m

London Stansted

Mon 15/6

10:00 p.m.-5:10 p.m.

2 stops24h 10m

C$ 725

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 11/5

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

1 stop18h 45m

London Stansted

Mon 18/5

8:00 p.m.-1:20 p.m.

1 stop22h 20m

C$ 726

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 4/5

9:35 p.m.-12:50 p.m.

1 stop10h 15m

London Stansted

Wed 20/5

10:45 p.m.-1:20 p.m.

1 stop19h 35m

C$ 728

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 18/5

11:05 p.m.-2:40 p.m.

1 stop10h 35m

London Stansted

Wed 20/5

10:45 p.m.-1:20 p.m.

1 stop19h 35m

C$ 729

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 19/5

10:05 p.m.-1:25 p.m.

1 stop10h 20m

London Stansted

Wed 27/5

10:45 p.m.-1:20 p.m.

1 stop19h 35m

C$ 730

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 4/5

9:35 p.m.-7:25 p.m.

1 stop16h 50m

London Stansted

Mon 18/5

8:00 p.m.-1:20 p.m.

1 stop22h 20m

C$ 732

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 20/5

10:05 p.m.-8:30 p.m.

1 stop17h 25m

London Stansted

Tue 2/6

6:30 a.m.-3:50 p.m.

1 stop14h 20m

C$ 733

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 Region of Ontario to London Stansted Airport

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 airline that flies from Ontario to London Stansted?

Royal Air Maroc and Turkish Airlines are the most popular carriers operating from Ontario to London Stansted

Cheap Region of Ontario to London Stansted Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London Stansted Airport

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Region of Ontario to London Stansted Airport takes 9h 15m
There are no direct flights from Region of Ontario to London Stansted Airport. There are no popular flight routes from Region of Ontario to London Stansted Airport.
Search flight deals

  • When did momondo last update prices for flights from Ontario to London Stansted Airport?

    Prices for flights from Ontario to London Stansted Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario to London Stansted Airport?

    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 Ontario to London Stansted Airport.

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

    The travel and health documents you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Waterlooville
Newport
Chelmsford
Basingstoke
Milton Keynes
Dover
Worthing
Guildford
Ipswich
Maidstone
Woking

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Ontario.

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

All flight searches from Ontario to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Ontario to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Ontario and alert you when they change.

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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