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Cheap flights from Ontario to London Stansted Airport from C$ 317

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
20 Feb — 27 Feb1
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 21 January 2026.

Wed 8/410:00 p.m.
YYZ
-
STN
1 stop16h 30m
Multiple Airlines
Sat 18/46:35 a.m.
STN
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 21/1C$ 722
Sun 12/410:00 p.m.
YYZ
-
STN
1 stop9h 55m
Multiple Airlines
Tue 21/46:30 a.m.
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 20/1C$ 723
Sun 12/410:00 p.m.
YYZ
-
STN
1 stop9h 55m
Multiple Airlines
Tue 28/410:00 p.m.
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 21/1C$ 724
Wed 8/410:00 p.m.
YYZ
-
STN
1 stop14h 35m
Multiple Airlines
Wed 15/410:00 p.m.
STN
-
YYZ
1 stop21h 15m
Multiple Airlines
Deal found 21/1C$ 726
Sun 12/410:00 p.m.
YYZ
-
STN
1 stop18h 20m
Multiple Airlines
Sun 26/46:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 21/1C$ 727
Tue 17/25:25 p.m.
YYZ
-
STN
1 stop9h 25m
Multiple Airlines
Tue 24/28:30 a.m.
STN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 20/1C$ 729
Fri 30/17:35 p.m.
YYZ
-
STN
1 stop19h 30m
Multiple Airlines
Wed 4/29:45 p.m.
STN
-
YYZ
2 stops23h 30m
Multiple Airlines
Deal found 18/1C$ 730
Mon 6/410:00 p.m.
YYZ
-
STN
1 stop9h 50m
Multiple Airlines
Mon 20/46:30 a.m.
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 21/1C$ 731
Tue 12/59:30 p.m.
YYZ
-
STN
1 stop15h 05m
Multiple Airlines
Tue 19/56:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 20/1C$ 733
Sun 26/49:30 p.m.
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Thu 7/56:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 19/1C$ 734
Mon 4/59:30 p.m.
YYZ
-
STN
1 stop16h 55m
Multiple Airlines
Sun 31/58:30 a.m.
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 18/1C$ 736
Thu 5/37:35 p.m.
YYZ
-
STN
1 stop16h 00m
Multiple Airlines
Thu 12/39:30 p.m.
STN
-
YYZ
1 stop17h 45m
Multiple Airlines
Deal found 18/1C$ 737

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 21 January 2026.

Round-trip from

C$ 723

One-way from

C$ 317

Popular in

December

Cheapest in

February

Average price

C$ 756
12/4-21/4
  • 12/4-21/4
  • 2 total stops
  • 22h 40m total
  • Ontario to London
Search Deals
1/2
  • 1/2
  • 2 total stops
  • 38h 20m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 21 January 2026.
Use the filters below to find and compare flights from Ontario to London Stansted Airport that are best for you.

Fly from

Ontario

Fly to

Stansted

Route

Depart

Return

Price

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/4

9:00 a.m.-7:25 p.m.

2 stops29h 25m

London Stansted

Mon 20/4

6:30 a.m.-12:39 a.m.

2 stops23h 09m

C$ 785

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 4/2

12:30 p.m.-11:20 p.m.

3 stops29h 50m

London Stansted

Mon 9/2

5:00 p.m.-5:55 p.m.

3 stops29h 55m

C$ 813

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 20/3

5:40 a.m.-2:50 p.m.

2 stops29h 10m

London Stansted

Wed 1/4

10:45 p.m.-12:39 a.m.

2 stops30h 54m

C$ 821

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 18/3

10:25 a.m.-7:40 p.m.

3 stops29h 15m

London Stansted

Mon 23/3

7:55 p.m.-3:55 p.m.

3 stops24h 00m

C$ 824

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 27/1

3:30 p.m.-7:40 p.m.

3 stops23h 10m

London Stansted

Mon 2/2

5:00 p.m.-5:55 p.m.

3 stops29h 55m

C$ 834

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 17/3

4:25 p.m.-11:30 a.m.

2 stops15h 05m

London Stansted

Mon 23/3

7:55 p.m.-3:55 p.m.

3 stops24h 00m

C$ 838

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 17/2

12:30 p.m.-6:40 p.m.

3 stops25h 10m

London Stansted

Tue 24/2

5:55 a.m.-9:35 p.m.

2 stops20h 40m

C$ 841

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 16/2

9:30 a.m.-2:05 p.m.

2 stops23h 35m

London Stansted

Sun 22/2

2:55 p.m.-7:55 p.m.

3 stops34h 00m

C$ 846

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 9/2

11:45 a.m.-12:10 p.m.

2 stops19h 25m

London Stansted

Mon 16/2

7:50 p.m.-5:25 p.m.

2 stops26h 35m

C$ 868

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/4

9:00 a.m.-7:25 p.m.

2 stops29h 25m

London Stansted

Tue 5/5

10:00 p.m.-12:20 a.m.

3 stops31h 20m

C$ 875

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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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 31h 55m. Airlines will cover a distance of 5726 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
Sutton
Twickenham
Gatwick
Slough
Marlow
Cobham
Milton Keynes
Romford
Watford
Bedford
Luton
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.
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St. John's to Gatwick flights
Abbotsford to Gatwick flights
Victoria to Heathrow flights
St. John's to Heathrow flights
Québec City to Gatwick flights
Kamloops to Heathrow flights
Winnipeg to London City flights
Québec City to London City 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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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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