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Cheap flights from Ontario to London Stansted Airport from C$ 373

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Stansted

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Stansted
Explore the most affordable flight options available from Ontario to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Thu 10/910:45 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Mon 21/95:55 a.m.
STN
-
YUL
2 stops20h 15m
Multiple Airlines
Deal found 31/7C$ 736
Thu 24/910:45 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Thu 1/106:00 a.m.
STN
-
YUL
2 stops20h 10m
Multiple Airlines
Deal found 30/7C$ 744
Wed 14/104:40 p.m.
YUL
-
STN
2 stops22h 40m
Multiple Airlines
Thu 29/106:20 a.m.
STN
-
YUL
1 stop13h 20m
Multiple Airlines
Deal found 2/8C$ 751
Thu 1/1010:45 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Sat 10/105:40 p.m.
STN
-
YUL
2 stops32h 30m
Multiple Airlines
Deal found 30/7C$ 754
Thu 10/911:40 p.m.
YUL
-
STN
1 stop19h 15m
Multiple Airlines
Thu 17/96:00 a.m.
STN
-
YUL
1 stop15h 05m
Multiple Airlines
Deal found 31/7C$ 764
Wed 19/811:55 p.m.
YYZ
-
STN
1 stop16h 25m
Multiple Airlines
Sun 23/86:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 30/7C$ 764
Mon 10/811:55 p.m.
YYZ
-
STN
1 stop9h 45m
Multiple Airlines
Sat 15/86:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 29/7C$ 765
Tue 4/89:55 p.m.
YYZ
-
STN
1 stop10h 20m
Multiple Airlines
Tue 18/87:20 p.m.
STN
-
YYZ
1 stop23h 20m
Multiple Airlines
Deal found 30/7C$ 766
Thu 24/910:45 p.m.
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Mon 5/105:55 a.m.
STN
-
YUL
2 stops20h 15m
Multiple Airlines
Deal found 31/7C$ 768
Thu 13/87:35 a.m.
YYZ
-
STN
2 stops32h 30m
Multiple Airlines
Thu 27/86:30 a.m.
STN
-
YYZ
2 stops15h 45m
Multiple Airlines
Deal found 2/8C$ 768
Fri 25/911:55 p.m.
YYZ
-
STN
1 stop12h 40m
Multiple Airlines
Fri 16/108:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 29/7C$ 769
Tue 15/95:00 p.m.
YUL
-
STN
2 stops23h 20m
Multiple Airlines
Tue 22/96:30 a.m.
STN
-
YUL
2 stops18h 02m
Multiple Airlines
Deal found 1/8C$ 771

Find flight deals from Ontario to Stansted

Keep the following information in mind while searching for Ontario to Stansted flight deals. Data was last updated 4 August 2026.

Round-trip from

C$ 736

One-way from

C$ 373

Popular in

December

Cheapest in

February

Average price

C$ 1,162
10/9-21/9
  • 10/9-21/9
  • 4 total stops
  • 40h 25m total
  • Ontario to London
Search Deals
13/8
  • 13/8
  • 2 total stops
  • 39h 40m total
  • Ontario to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Stansted 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 629,999 searches. Data last updated 4 August 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 26/9

7:15 p.m.-9:40 p.m.

1 stop21h 25m

London Stansted

Mon 5/10

10:25 p.m.-11:00 a.m.

1 stop17h 35m

C$ 842

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 7/9

7:15 p.m.-9:25 p.m.

1 stop21h 10m

London Stansted

Mon 14/9

10:25 p.m.-11:00 a.m.

1 stop17h 35m

C$ 858
Quickest round-trip

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 21/9

5:30 p.m.-12:50 p.m.

2 stops14h 20m

London Stansted

Mon 28/9

6:30 a.m.-2:20 p.m.

2 stops12h 50m

C$ 870

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 14/9

7:15 p.m.-9:25 p.m.

1 stop21h 10m

London Stansted

Sun 4/10

2:15 p.m.-11:00 a.m.

1 stop25h 45m

C$ 870

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 23/8

7:15 p.m.-11:15 a.m.

1 stop11h 00m

London Stansted

Mon 31/8

10:25 p.m.-11:00 a.m.

1 stop17h 35m

C$ 922

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 21/8

4:30 p.m.-7:20 p.m.

2 stops21h 50m

London Stansted

Fri 28/8

10:50 p.m.-2:21 p.m.

2 stops20h 31m

C$ 957

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 27/11

2:45 p.m.-2:50 p.m.

2 stops19h 05m

London Stansted

Sat 5/12

5:55 a.m.-6:05 p.m.

2 stops17h 10m

C$ 976

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 17/8

5:30 p.m.-12:50 p.m.

2 stops14h 20m

London Stansted

Tue 25/8

6:30 a.m.-2:21 p.m.

2 stops12h 51m

C$ 985

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 19/8

10:20 a.m.-5:35 p.m.

3 stops26h 15m

London Stansted

Mon 31/8

6:30 a.m.-3:51 p.m.

2 stops14h 21m

C$ 988

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 19/8

9:30 a.m.-12:50 p.m.

2 stops22h 20m

London Stansted

Tue 25/8

6:30 a.m.-2:21 p.m.

2 stops12h 51m

C$ 988

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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

Have a flexible travel schedule? Discover the best time to fly to Stansted from Ontario with our price prediction graph.
Estimated round-trip 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 Ontario to London Stansted Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Stansted. 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 Region of Ontario to London Stansted Airport?

    Departing from Region of Ontario to London Stansted Airport will take you 15h 25m. Airlines will cover a distance of 5238 km. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to London Stansted Airport?

    When deciding which route to take from Region of Ontario to London Stansted Airport consider Toronto Pearson Intl - London Stansted, Montreal Pierre Elliott Trudeau Intl - London Stansted or Ottawa - London Stansted as they are the most popular.

  • Can I find deals for flights from Ontario to Stansted that include hotel bookings?

    Yes. In addition to deals on Ontario to Stansted flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Stansted?

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

  • Can I find deals for business class flights from Ontario to Stansted?

    Yes. Cheapflights offers flight deals from Ontario to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Watford
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Vancouver Intl to Heathrow flights
Pearson Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to London City flights
Toronto Island to Heathrow flights
Pearson Intl to Stansted flights
Vancouver Intl to Gatwick flights
Pearson Intl to Luton flights
Vancouver Intl to Stansted flights
Vancouver Intl to London City flights
Calgary to Heathrow flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Gatwick flights
Abbotsford to Heathrow flights
Halifax to Heathrow flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to London City flights
Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to Luton flights
Vancouver Intl to Luton flights
Calgary to Gatwick flights
Ottawa to Gatwick flights
Edmonton to Heathrow flights
Halifax to Gatwick flights
Pierre Elliott Trudeau Intl to Southend flights
Calgary to London City flights
Calgary to Stansted flights
Calgary to Luton flights
Edmonton to Gatwick flights
Edmonton to London City flights
Ottawa to London City flights
Halifax to London City flights
Halifax to Stansted flights
Ottawa to Stansted flights
Abbotsford to Gatwick flights
Winnipeg to Heathrow flights
Edmonton to Stansted flights
Winnipeg to Gatwick flights
Halifax to Luton flights
Abbotsford to London City flights
Kelowna to Heathrow flights
Saskatoon to Heathrow flights
Victoria to Heathrow flights
Québec City to Heathrow flights
Victoria to Gatwick flights
Winnipeg to London City flights
Québec City to Gatwick flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Stansted?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Stansted from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Stansted?

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 Stansted from Ontario.

Can Cheapflights find flights from Ontario to Stansted with no change fees?

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

Can Cheapflights notify me if prices for flights from Ontario to Stansted become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Stansted flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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