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Cheap flights from Ontario to London from C$ 327

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 16/10. 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 Ontario to London

Cheap round-trip flights

Multiple Airlines Logo
5:25 p.m. - 10:50 a.m.YTZ-STN
12h 25m2 stops
Multiple Airlines Logo
10:00 p.m. - 2:45 p.m.STN-YTZ
21h 45m2 stops
C$ 725Multiple Airlines
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Multiple Airlines Logo
5:25 p.m. - 7:50 a.m.YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
6:30 a.m. - 3:55 p.m.STN-YYZ
14h 25m1 stop
C$ 732Multiple Airlines
Find Deal
Tue, 18 Nov - Wed, 3 Dec
Multiple Airlines Logo
6:00 p.m. - 10:50 a.m.YYZ-STN
11h 50m2 stops
Multiple Airlines Logo
10:00 p.m. - 3:24 p.m.STN-YYZ
22h 24m2 stops
C$ 735Multiple Airlines
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Multiple Airlines Logo
5:25 p.m. - 7:50 a.m.YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
8:30 a.m. - 3:55 p.m.STN-YYZ
12h 25m1 stop
C$ 736Multiple Airlines
Find Deal
Wed, 5 Nov - Mon, 10 Nov
Multiple Airlines Logo
5:25 p.m. - 7:50 a.m.YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
6:30 a.m. - 3:55 p.m.STN-YYZ
14h 25m1 stop
C$ 738Multiple Airlines
Find Deal
Tue, 18 Nov - Sun, 23 Nov
Multiple Airlines Logo
5:25 p.m. - 7:50 a.m.YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
6:30 a.m. - 3:55 p.m.STN-YYZ
14h 25m1 stop
C$ 739Multiple Airlines
Find Deal
Mon, 10 Nov - Tue, 18 Nov
Multiple Airlines Logo
5:25 p.m. - 7:50 a.m.YYZ-STN
9h 25m1 stop
Multiple Airlines Logo
8:30 a.m. - 3:55 p.m.STN-YYZ
12h 25m1 stop
C$ 740Multiple Airlines
Find Deal
Tue, 11 Nov - Sun, 16 Nov
Multiple Airlines Logo
11:55 p.m. - 10:25 p.m.YYZ-STN
17h 30m1 stop
Multiple Airlines Logo
7:30 p.m. - 9:15 p.m.STN-YYZ
30h 45m2 stops
C$ 742Multiple Airlines
Find Deal
Thu, 16 Oct - Thu, 20 Nov
Multiple Airlines Logo
8:15 p.m. - 7:25 p.m.YUL-STN
18h 10m1 stop
Multiple Airlines Logo
8:25 p.m. - 4:55 p.m.STN-YUL
25h 30m2 stops
C$ 743Multiple Airlines
Find Deal
Sun, 30 Nov - Sat, 6 Dec
Multiple Airlines Logo
8:40 p.m. - 2:20 p.m.YYZ-STN
12h 40m1 stop
Multiple Airlines Logo
10:00 p.m. - 3:24 p.m.STN-YYZ
22h 24m2 stops
C$ 747Multiple Airlines
Find Deal
Thu, 2 Oct - Mon, 6 Oct

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 19 September 2025.
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

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 29/9

5:25 p.m.-10:50 a.m.

2 stops12h 25m

London Stansted

Mon 6/10

10:00 p.m.-2:45 p.m.

2 stops21h 45m

C$ 725

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 18/11

5:25 p.m.-7:50 a.m.

1 stop9h 25m

London Stansted

Wed 3/12

6:30 a.m.-3:55 p.m.

1 stop14h 25m

C$ 732

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 29/9

6:00 p.m.-10:50 a.m.

2 stops11h 50m

London Stansted

Mon 6/10

10:00 p.m.-3:24 p.m.

2 stops22h 24m

C$ 735

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 5/11

5:25 p.m.-7:50 a.m.

1 stop9h 25m

London Stansted

Mon 10/11

8:30 a.m.-3:55 p.m.

1 stop12h 25m

C$ 736

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 18/11

5:25 p.m.-7:50 a.m.

1 stop9h 25m

London Stansted

Sun 23/11

6:30 a.m.-3:55 p.m.

1 stop14h 25m

C$ 738

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 10/11

5:25 p.m.-7:50 a.m.

1 stop9h 25m

London Stansted

Tue 18/11

6:30 a.m.-3:55 p.m.

1 stop14h 25m

C$ 739

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 11/11

5:25 p.m.-7:50 a.m.

1 stop9h 25m

London Stansted

Sun 16/11

8:30 a.m.-3:55 p.m.

1 stop12h 25m

C$ 740

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 16/10

11:55 p.m.-10:25 p.m.

1 stop17h 30m

London Stansted

Thu 20/11

7:30 p.m.-9:15 p.m.

2 stops30h 45m

C$ 742

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

8:15 p.m.-7:25 p.m.

1 stop18h 10m

London Stansted

Sat 6/12

8:25 p.m.-4:55 p.m.

2 stops25h 30m

C$ 743

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 2/10

8:40 p.m.-2:20 p.m.

1 stop12h 40m

London Stansted

Mon 6/10

10:00 p.m.-3:24 p.m.

2 stops22h 24m

C$ 747

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 day to depart on your flight to London Stansted Airport?

The cheapest day to depart on your flight to London Stansted Airport is on a Monday when prices can be found for as low as C$ 444. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Stansted Airport on Thursday is C$ 817.

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

The cheapest time of day to fly to London Stansted Airport is in the afternoon when flights can be purchased for as low as C$ 532. In contrast, the most expensive time of day to depart to London Stansted Airport is in the evening when prices are around C$ 718.

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

Direct flights

None
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.

Best airlines flying from Region of Ontario to London Stansted Airport

Compare and see reviews for airlines that fly from Region of Ontario to London Stansted Airport with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom C$ 451Free CancellationRating
7.0
103 reviews
Search PLAY flights

Travelling to a place near London?

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

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.
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