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Cheap flights from Ontario to London Stansted Airport from C$ 351

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
15 Jun — 22 Jun1
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 16 May 2026.

Tue 15/99:55 p.m.
YYZ
-
STN
1 stop10h 30m
Multiple Airlines
Tue 22/98:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 12/5C$ 801
Mon 7/96:30 p.m.
YTZ
-
STN
2 stops13h 20m
Multiple Airlines
Mon 21/96:30 a.m.
STN
-
YTZ
2 stops16h 20m
Multiple Airlines
Deal found 13/5C$ 803
Tue 1/99:55 p.m.
YYZ
-
STN
1 stop19h 45m
Multiple Airlines
Sat 19/96:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 12/5C$ 803
Thu 4/610:15 p.m.
YYZ
-
STN
2 stops18h 00m
Multiple Airlines
Sun 7/65:45 p.m.
STN
-
YYZ
2 stops27h 05m
Multiple Airlines
Deal found 14/5C$ 804
Thu 4/610:15 p.m.
YYZ
-
STN
1 stop13h 55m
Multiple Airlines
Thu 9/77:40 p.m.
STN
-
YYZ
1 stop23h 30m
Multiple Airlines
Deal found 12/5C$ 806
Sat 23/59:35 p.m.
YYZ
-
STN
2 stops16h 45m
Multiple Airlines
Mon 1/66:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 13/5C$ 807
Tue 19/59:55 p.m.
YYZ
-
STN
1 stop10h 30m
Multiple Airlines
Fri 19/68:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 11/5C$ 808
Sun 31/59:55 p.m.
YYZ
-
STN
1 stop19h 00m
Multiple Airlines
Sat 6/68:35 p.m.
STN
-
YYZ
2 stops30h 10m
Multiple Airlines
Deal found 11/5C$ 810
Fri 5/610:10 p.m.
YYZ
-
STN
1 stop11h 05m
Multiple Airlines
Sat 20/68:30 a.m.
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 12/5C$ 811
Sun 31/55:30 p.m.
YTZ
-
STN
2 stops16h 00m
Multiple Airlines
Sat 6/66:35 a.m.
STN
-
YTZ
2 stops34h 17m
Multiple Airlines
Deal found 11/5C$ 812
Sun 24/56:15 p.m.
YYZ
-
STN
2 stops13h 40m
Multiple Airlines
Tue 2/68:30 a.m.
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 15/5C$ 812
Tue 15/99:55 p.m.
YYZ
-
STN
1 stop19h 45m
Multiple Airlines
Sun 27/96:35 a.m.
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 13/5C$ 814

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 16 May 2026.

Round-trip from

C$ 801

One-way from

C$ 351

Popular in

December

Cheapest in

February

Average price

C$ 843
15/9-22/9
  • 15/9-22/9
  • 2 total stops
  • 22h 50m total
  • Ontario to London
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 35h 55m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 23 potential increase over avg. RT price).
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 May 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 16 May 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

YTZ - STN

YTZSTN

Toronto Island

Mon 7/9

6:30 p.m.-12:50 p.m.

2 stops13h 20m

London Stansted

Mon 21/9

6:30 a.m.-5:50 p.m.

2 stops16h 20m

C$ 803

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 31/5

5:30 p.m.-2:30 p.m.

2 stops16h 00m

London Stansted

Sat 6/6

6:35 a.m.-11:52 a.m.

2 stops34h 17m

C$ 812

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 3/8

6:30 p.m.-7:25 p.m.

2 stops19h 55m

London Stansted

Mon 10/8

10:45 p.m.-9:30 p.m.

3 stops27h 45m

C$ 837
Quickest round-trip

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 7/6

5:30 p.m.-12:55 p.m.

2 stops14h 25m

London Stansted

Mon 15/6

6:30 a.m.-2:22 p.m.

2 stops12h 52m

C$ 851

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 13/6

6:55 a.m.-10:15 a.m.

2 stops22h 20m

London Stansted

Sat 20/6

8:30 a.m.-5:35 p.m.

2 stops14h 05m

C$ 851

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 3/8

8:30 a.m.-7:25 p.m.

2 stops29h 55m

London Stansted

Wed 12/8

10:45 p.m.-9:31 p.m.

2 stops27h 46m

C$ 863

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 10/7

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

2 stops21h 50m

London Stansted

Wed 22/7

10:45 p.m.-2:21 p.m.

2 stops20h 36m

C$ 877

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 5/6

6:30 p.m.-2:15 p.m.

2 stops14h 45m

London Stansted

Sat 13/6

6:35 a.m.-2:22 p.m.

2 stops12h 47m

C$ 881

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 31/5

6:25 p.m.-9:55 p.m.

2 stops22h 30m

London Stansted

Sun 14/6

10:00 p.m.-5:35 p.m.

3 stops24h 35m

C$ 881

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 27/7

3:35 p.m.-2:40 p.m.

3 stops18h 05m

London Stansted

Mon 3/8

10:45 p.m.-2:21 p.m.

2 stops20h 36m

C$ 889

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/5

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.

  • 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
Slough
Marlow
Cobham
Watford
Luton
High Wycombe
Hounslow

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
Pearson Intl to London City flights
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Pearson Intl to Luton flights
Toronto Island to Gatwick flights
Vancouver Intl to London City flights
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Calgary to Heathrow flights
Pierre Elliott Trudeau Intl to Gatwick flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Stansted flights
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Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to Luton flights
Calgary to Gatwick flights
Vancouver Intl to Luton flights
Pierre Elliott Trudeau Intl to Southend flights
Calgary to London City flights
Calgary to Stansted flights
Edmonton to Heathrow flights
Halifax to Gatwick flights
Edmonton to Gatwick flights
Ottawa to London City flights
Calgary to Luton flights
Ottawa to Stansted flights
Halifax to Stansted flights
Winnipeg to Heathrow flights
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Ottawa to Gatwick flights
Halifax to London City flights
Edmonton to London City flights
Abbotsford to Gatwick flights
Halifax to Luton flights
St. John's to Heathrow flights
Québec City to Heathrow flights
Saskatoon to Heathrow flights
Winnipeg to Gatwick flights
Winnipeg to Stansted flights
St. John's to Gatwick flights
Ottawa to Luton flights
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Winnipeg to London City flights
Saskatoon 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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