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Cheap flights from Ontario to London Stansted Airport from C$ 343

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
1 May — 8 May1
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 1 April 2026.

Mon 4/57:15 p.m.
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Fri 15/510:00 p.m.
STN
-
YYZ
2 stops24h 15m
Multiple Airlines
Deal found 29/3C$ 740
Mon 18/59:35 p.m.
YYZ
-
STN
1 stop10h 15m
Multiple Airlines
Mon 25/510:00 p.m.
STN
-
YYZ
3 stops24h 10m
Multiple Airlines
Deal found 28/3C$ 742
Wed 27/510:05 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Sat 13/66:35 a.m.
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 28/3C$ 743
Wed 20/510:05 p.m.
YYZ
-
STN
2 stops16h 25m
Multiple Airlines
Wed 27/56:30 a.m.
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 29/3C$ 746
Tue 2/610:05 p.m.
YYZ
-
STN
2 stops18h 15m
Multiple Airlines
Mon 8/610:45 p.m.
STN
-
YYZ
2 stops23h 25m
Multiple Airlines
Deal found 30/3C$ 747
Wed 6/57:15 p.m.
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Wed 13/510:45 p.m.
STN
-
YYZ
2 stops23h 30m
Multiple Airlines
Deal found 30/3C$ 749
Mon 11/57:15 p.m.
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Mon 15/610:00 p.m.
STN
-
YYZ
2 stops24h 10m
Multiple Airlines
Deal found 31/3C$ 750
Mon 25/58:45 p.m.
YYZ
-
STN
2 stops21h 35m
Multiple Airlines
Tue 9/66:30 a.m.
STN
-
YYZ
2 stops20h 35m
Multiple Airlines
Deal found 28/3C$ 752
Sun 3/57:15 p.m.
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Mon 11/56:30 a.m.
STN
-
YYZ
2 stops20h 15m
Multiple Airlines
Deal found 30/3C$ 754
Tue 9/610:05 p.m.
YYZ
-
STN
1 stop10h 20m
Multiple Airlines
Wed 17/610:45 p.m.
STN
-
YYZ
1 stop19h 35m
Multiple Airlines
Deal found 29/3C$ 756
Fri 5/66:45 a.m.
YUL
-
STN
3 stops33h 35m
Multiple Airlines
Tue 9/66:30 a.m.
STN
-
YUL
3 stops22h 55m
Multiple Airlines
Deal found 28/3C$ 790
Mon 13/48:20 a.m.
YUL
-
STN
3 stops35h 00m
Multiple Airlines
Mon 20/410:45 p.m.
STN
-
YUL
2 stops30h 53m
Multiple Airlines
Deal found 28/3C$ 792

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 1 April 2026.

Round-trip from

C$ 740

One-way from

C$ 343

Popular in

December

Cheapest in

May

Average price

C$ 790
4/5-15/5
  • 4/5-15/5
  • 3 total stops
  • 34h 40m total
  • Ontario to London
Search Deals
2/6
  • 2/6
  • 2 total stops
  • 21h 05m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 1 April 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

Wed 27/5

8:30 a.m.-12:50 p.m.

2 stops23h 20m

London Stansted

Mon 1/6

10:45 p.m.-7:52 p.m.

2 stops26h 07m

C$ 821

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 3/6

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

2 stops14h 05m

London Stansted

Mon 8/6

6:30 a.m.-3:52 p.m.

2 stops14h 22m

C$ 835
Quickest round-trip

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 14/6

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

2 stops13h 25m

London Stansted

Mon 22/6

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

2 stops12h 51m

C$ 838

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 27/5

4:30 p.m.-12:50 p.m.

2 stops15h 20m

London Stansted

Thu 4/6

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

2 stops12h 52m

C$ 843

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 29/5

4:30 p.m.-12:50 p.m.

2 stops15h 20m

London Stansted

Fri 5/6

10:50 p.m.-2:22 p.m.

2 stops20h 32m

C$ 871

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

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

2 stops19h 15m

London Stansted

Tue 12/5

10:00 p.m.-12:25 a.m.

2 stops31h 25m

C$ 893

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 2/9

11:45 p.m.-7:15 p.m.

1 stop14h 30m

London Stansted

Wed 16/9

8:10 p.m.-5:10 p.m.

1 stop26h 00m

C$ 907

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Thu 16/4

6:45 a.m.-6:20 p.m.

2 stops30h 35m

London Stansted

Mon 20/4

6:40 a.m.-9:20 p.m.

2 stops19h 40m

C$ 913

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Thu 23/4

8:30 a.m.-4:30 p.m.

3 stops27h 00m

London Stansted

Mon 27/4

3:35 p.m.-5:52 p.m.

3 stops31h 17m

C$ 928

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 31/5

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

2 stops22h 30m

London Stansted

Wed 3/6

6:30 a.m.-5:35 p.m.

2 stops16h 05m

C$ 956

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

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 32h 50m. 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
Twickenham
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
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Pierre Elliott Trudeau Intl to Heathrow flights
Vancouver Intl to Gatwick flights
Toronto Island to Heathrow flights
Pearson Intl to Luton flights
Vancouver Intl to Stansted flights
Calgary to Heathrow flights
Vancouver Intl to London City flights
Pierre Elliott Trudeau Intl to Gatwick flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Stansted flights
Abbotsford to Heathrow flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Luton flights
Halifax to Heathrow flights
Ottawa to Heathrow flights
Calgary to Gatwick flights
Calgary to London City flights
Pierre Elliott Trudeau Intl to Southend flights
Calgary to Stansted flights
Edmonton to Heathrow flights
Vancouver Intl to Luton flights
Ottawa to Gatwick flights
Calgary to Luton flights
Halifax to Gatwick flights
Edmonton to Gatwick flights
Ottawa to Stansted flights
Abbotsford to Gatwick flights
Winnipeg to Heathrow flights
Edmonton to Stansted flights
Halifax to Stansted flights
Edmonton to London City flights
Halifax to London City flights
Ottawa to London City flights
Québec City to Heathrow flights
Halifax to Luton flights
St. John's to Heathrow flights
Victoria to Heathrow flights
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Québec City to Gatwick flights
St. John's to Gatwick flights
Winnipeg to Gatwick flights
Ottawa to Luton flights
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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