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Cheap flights from Ontario to London Stansted Airport from C$ 339

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
28 Jul — 4 Aug1
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 28 June 2026.

Wed 19/86:55 a.m.
YOW
-
STN
2 stops32h 25m
Multiple Airlines
Wed 26/86:30 a.m.
STN
-
YOW
2 stops22h 50m
Multiple Airlines
Deal found 24/6C$ 756
Wed 12/86:25 p.m.
YOW
-
STN
2 stops23h 25m
Multiple Airlines
Wed 19/810:45 p.m.
STN
-
YOW
3 stops30h 35m
Multiple Airlines
Deal found 28/6C$ 762
Tue 18/86:55 a.m.
YOW
-
STN
2 stops34h 45m
Multiple Airlines
Wed 26/810:45 p.m.
STN
-
YOW
3 stops23h 50m
Multiple Airlines
Deal found 28/6C$ 765
Fri 18/96:55 a.m.
YOW
-
STN
2 stops35h 00m
Multiple Airlines
Mon 21/98:50 p.m.
STN
-
YOW
3 stops32h 30m
Multiple Airlines
Deal found 23/6C$ 778
Mon 20/710:55 p.m.
YYZ
-
STN
1 stop10h 15m
Multiple Airlines
Tue 28/79:20 p.m.
STN
-
YYZ
1 stop21h 50m
Multiple Airlines
Deal found 27/6C$ 778
Sun 2/811:55 p.m.
YYZ
-
STN
1 stop11h 55m
Multiple Airlines
Wed 19/88:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 27/6C$ 779
Wed 15/79:55 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Wed 22/79:55 a.m.
STN
-
YYZ
1 stop30h 05m
Multiple Airlines
Deal found 26/6C$ 781
Sun 9/86:30 p.m.
YTZ
-
STN
2 stops15h 00m
Multiple Airlines
Sun 16/810:00 p.m.
STN
-
YTZ
2 stops28h 31m
Multiple Airlines
Deal found 25/6C$ 782
Tue 11/811:55 p.m.
YYZ
-
STN
1 stop12h 40m
Multiple Airlines
Sun 23/86:35 a.m.
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 25/6C$ 782
Sun 23/86:30 p.m.
YTZ
-
STN
2 stops13h 25m
Multiple Airlines
Tue 1/96:30 a.m.
STN
-
YTZ
2 stops12h 51m
Multiple Airlines
Deal found 28/6C$ 783
Wed 22/76:20 p.m.
YYZ
-
STN
2 stops13h 30m
Multiple Airlines
Mon 10/88:00 a.m.
STN
-
YYZ
1 stop11h 10m
Multiple Airlines
Deal found 25/6C$ 783
Thu 23/711:05 p.m.
YYZ
-
STN
1 stop10h 30m
Multiple Airlines
Thu 30/76:30 a.m.
STN
-
YYZ
2 stops19h 34m
Multiple Airlines
Deal found 25/6C$ 785

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 28 June 2026.

Round-trip from

C$ 756

One-way from

C$ 339

Popular in

July

Cheapest in

February

Average price

C$ 1,063
19/8-26/8
  • 19/8-26/8
  • 4 total stops
  • 55h 15m total
  • Ontario to London
Search Deals
21/8
  • 21/8
  • 2 total stops
  • 23h 30m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 28 June 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
Quickest round-trip

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 23/8

6:30 p.m.-12:55 p.m.

2 stops13h 25m

London Stansted

Tue 1/9

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

2 stops12h 51m

C$ 783

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 12/8

4:30 p.m.-11:35 a.m.

2 stops14h 05m

London Stansted

Mon 24/8

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

2 stops12h 51m

C$ 829

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 26/8

6:55 a.m.-8:20 p.m.

2 stops32h 25m

London Stansted

Sat 12/9

6:35 a.m.-12:20 a.m.

3 stops22h 45m

C$ 837

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 18/9

6:55 a.m.-5:35 p.m.

3 stops29h 40m

London Stansted

Mon 21/9

8:50 p.m.-12:20 a.m.

3 stops32h 30m

C$ 843

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 17/8

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

2 stops14h 20m

London Stansted

Sat 22/8

6:35 a.m.-2:21 p.m.

2 stops12h 46m

C$ 850

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 10/9

6:55 a.m.-2:35 p.m.

2 stops26h 40m

London Stansted

Thu 17/9

6:30 a.m.-12:20 a.m.

2 stops22h 50m

C$ 874

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 9/8

6:25 p.m.-9:35 p.m.

2 stops22h 10m

London Stansted

Wed 26/8

10:45 p.m.-5:35 p.m.

3 stops23h 50m

C$ 877

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

9:30 p.m.-4:30 p.m.

1 stop14h 00m

London Stansted

Fri 9/10

5:00 p.m.-2:00 p.m.

1 stop26h 00m

C$ 910

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 8/7

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

2 stops14h 20m

London Stansted

Mon 13/7

10:45 p.m.-5:51 p.m.

2 stops24h 06m

C$ 920

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 12/7

10:50 a.m.-7:30 p.m.

2 stops27h 40m

London Stansted

Sat 18/7

6:35 a.m.-3:51 p.m.

2 stops14h 16m

C$ 1,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/6

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 35m. 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
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

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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
Pearson Intl to Gatwick flights
Vancouver Intl to Heathrow flights
Vancouver Intl to Gatwick flights
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Toronto Island to Heathrow flights
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Pearson Intl to Luton flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Heathrow flights
Vancouver Intl to Stansted flights
Calgary to Heathrow flights
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Abbotsford to Heathrow flights
Pierre Elliott Trudeau Intl to Gatwick flights
Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Stansted flights
Halifax to Heathrow flights
Vancouver Intl to Luton flights
Calgary to Gatwick flights
Pierre Elliott Trudeau Intl to Luton flights
Calgary to London City flights
Edmonton to Heathrow flights
Ottawa to Gatwick flights
Abbotsford to Gatwick flights
Pierre Elliott Trudeau Intl to Southend flights
Calgary to Stansted flights
Edmonton to Gatwick flights
Halifax to Gatwick flights
Calgary to Luton flights
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Edmonton to Stansted flights
Winnipeg to Heathrow flights
Ottawa to London City flights
Halifax to Stansted flights
Edmonton to London City flights
Halifax to London City flights
Ottawa to Luton flights
Winnipeg to Gatwick flights
Québec City to Heathrow flights
Halifax to Luton flights
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Victoria to Gatwick flights

Fly with Cheapflights

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

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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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