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Cheap flights from Ontario to London Stansted Airport from C$ 346

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
19 May — 26 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 19 April 2026.

Sun 10/57:15 p.m.
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Fri 15/510:00 p.m.
STN
-
YYZ
2 stops28h 45m
Multiple Airlines
Deal found 15/4C$ 754
Mon 4/57:15 p.m.
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Fri 8/510:50 p.m.
STN
-
YYZ
2 stops23h 25m
Multiple Airlines
Deal found 15/4C$ 756
Tue 12/57:15 p.m.
YYZ
-
STN
1 stop13h 10m
Multiple Airlines
Tue 16/610:00 p.m.
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 15/4C$ 757
Sun 10/57:15 p.m.
YYZ
-
STN
1 stop9h 20m
Multiple Airlines
Tue 19/510:00 p.m.
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 16/4C$ 758
Sat 23/59:35 p.m.
YYZ
-
STN
2 stops16h 45m
Multiple Airlines
Tue 26/510:00 p.m.
STN
-
YYZ
2 stops22h 00m
Multiple Airlines
Deal found 18/4C$ 760
Wed 27/57:35 a.m.
YYZ
-
STN
2 stops23h 00m
Multiple Airlines
Mon 1/68:20 p.m.
STN
-
YYZ
2 stops22h 00m
Multiple Airlines
Deal found 18/4C$ 761
Tue 12/57:15 p.m.
YYZ
-
STN
1 stop13h 10m
Multiple Airlines
Wed 20/510:00 p.m.
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 17/4C$ 762
Tue 23/69:35 p.m.
YYZ
-
STN
1 stop17h 00m
Multiple Airlines
Tue 14/76:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 19/4C$ 765
Fri 22/511:05 p.m.
YYZ
-
STN
1 stop10h 10m
Multiple Airlines
Wed 10/66:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 14/4C$ 767
Fri 29/511:05 p.m.
YYZ
-
STN
1 stop19h 15m
Multiple Airlines
Mon 1/68:30 a.m.
STN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 15/4C$ 768
Mon 1/66:15 p.m.
YYZ
-
STN
2 stops13h 45m
Multiple Airlines
Mon 8/67:40 p.m.
STN
-
YYZ
2 stops24h 15m
Multiple Airlines
Deal found 17/4C$ 769
Fri 22/57:20 p.m.
YUL
-
STN
2 stops21h 00m
Multiple Airlines
Wed 27/510:45 p.m.
STN
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 17/4C$ 786

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 19 April 2026.

Round-trip from

C$ 754

One-way from

C$ 346

Popular in

December

Cheapest in

February

Average price

C$ 830
10/5-15/5
  • 10/5-15/5
  • 3 total stops
  • 38h 05m total
  • Ontario to London
Search Deals
9/6
  • 9/6
  • 2 total stops
  • 21h 05m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 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 19 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

Fri 5/6

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

2 stops18h 05m

London Stansted

Fri 12/6

10:50 p.m.-9:32 p.m.

2 stops27h 42m

C$ 824

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 27/5

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

2 stops15h 20m

London Stansted

Mon 1/6

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

2 stops12h 52m

C$ 824

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 27/5

10:20 a.m.-12:50 p.m.

3 stops21h 30m

London Stansted

Fri 5/6

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

2 stops20h 32m

C$ 838

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 12/6

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

2 stops14h 45m

London Stansted

Tue 23/6

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

2 stops14h 21m

C$ 847

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 24/5

12:25 p.m.-12:55 p.m.

3 stops19h 30m

London Stansted

Sun 31/5

10:00 p.m.-2:22 p.m.

2 stops21h 22m

C$ 871

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 5/9

6:55 a.m.-9:35 p.m.

2 stops33h 40m

London Stansted

Wed 16/9

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

2 stops24h 35m

C$ 943

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 1/8

6:55 a.m.-11:20 p.m.

2 stops35h 25m

London Stansted

Mon 10/8

10:45 p.m.-12:20 a.m.

2 stops30h 35m

C$ 982

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 13/7

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

2 stops14h 20m

London Stansted

Mon 20/7

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

2 stops12h 51m

C$ 1,043

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 1/7

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

2 stops20h 00m

London Stansted

Mon 13/7

6:30 a.m.-9:31 p.m.

2 stops20h 01m

C$ 1,049

Thunder BayLondon

YQT - STN

YQTSTN

Thunder Bay

Wed 3/6

6:25 p.m.-8:30 p.m.

2 stops21h 05m

London Stansted

Wed 10/6

10:00 p.m.-10:33 p.m.

3 stops29h 33m

C$ 1,069

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/4

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 21h 05m. 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
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Kelowna to Gatwick flights
Halifax to London City flights
Winnipeg to Heathrow flights
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Halifax to Luton flights
St. John's to Heathrow flights
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Fly with Cheapflights

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

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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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