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Cheap flights from Ontario to London Stansted Airport from C$ 365

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
31 Mar — 7 Apr1
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 March 2026.

Mon 15/65:10 p.m.
YUL
-
STN
2 stops21h 15m
Multiple Airlines
Mon 22/68:30 a.m.
STN
-
YUL
2 stops16h 02m
Multiple Airlines
Deal found 25/2C$ 680
Tue 14/48:25 p.m.
YYZ
-
STN
1 stop11h 25m
Multiple Airlines
Thu 23/46:30 a.m.
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 27/2C$ 704
Tue 21/48:45 p.m.
YYZ
-
STN
2 stops15h 50m
Multiple Airlines
Tue 28/46:30 a.m.
STN
-
YYZ
2 stops17h 40m
Multiple Airlines
Deal found 26/2C$ 705
Thu 9/48:45 p.m.
YYZ
-
STN
2 stops21h 35m
Multiple Airlines
Mon 13/46:30 a.m.
STN
-
YYZ
2 stops20h 35m
Multiple Airlines
Deal found 28/2C$ 706
Mon 30/311:00 p.m.
YUL
-
STN
2 stops19h 55m
Multiple Airlines
Mon 13/48:30 a.m.
STN
-
YUL
2 stops21h 08m
Multiple Airlines
Deal found 1/3C$ 708
Wed 20/510:05 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Thu 4/66:30 a.m.
STN
-
YYZ
2 stops20h 15m
Multiple Airlines
Deal found 26/2C$ 708
Tue 5/56:45 a.m.
YUL
-
STN
3 stops29h 50m
Multiple Airlines
Tue 12/510:00 p.m.
STN
-
YUL
2 stops25h 20m
Multiple Airlines
Deal found 27/2C$ 709
Mon 6/410:00 p.m.
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Wed 22/410:45 p.m.
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Deal found 27/2C$ 709
Fri 3/410:00 p.m.
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Sat 18/46:35 a.m.
STN
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 1/3C$ 710
Tue 19/59:35 p.m.
YYZ
-
STN
1 stop10h 10m
Multiple Airlines
Tue 26/510:00 p.m.
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Deal found 27/2C$ 712
Mon 25/59:35 p.m.
YYZ
-
STN
1 stop10h 15m
Multiple Airlines
Tue 9/68:30 a.m.
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 25/2C$ 713
Fri 1/511:10 p.m.
YYZ
-
STN
2 stops17h 10m
Multiple Airlines
Wed 13/58:30 a.m.
STN
-
YYZ
2 stops18h 35m
Multiple Airlines
Deal found 27/2C$ 715

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 March 2026.

Round-trip from

C$ 680

One-way from

C$ 365

Popular in

December

Cheapest in

May

Average price

C$ 792
15/6-22/6
  • 15/6-22/6
  • 4 total stops
  • 37h 17m total
  • Ontario to London
Search Deals
14/6
  • 14/6
  • 3 total stops
  • 44h 00m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 60 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 March 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 March 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

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 22/5

10:20 a.m.-7:20 p.m.

3 stops28h 00m

London Stansted

Sat 30/5

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

2 stops12h 47m

C$ 721

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 12/6

6:55 a.m.-7:40 p.m.

2 stops31h 45m

London Stansted

Tue 23/6

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

3 stops31h 20m

C$ 855

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

9:15 a.m.-4:30 p.m.

3 stops26h 15m

London Stansted

Wed 22/4

7:10 p.m.-12:38 a.m.

3 stops34h 28m

C$ 870

LondonLondon

YXU - STN

YXUSTN

London

Wed 15/4

9:25 a.m.-11:35 a.m.

2 stops21h 10m

London Stansted

Wed 22/4

6:30 a.m.-5:04 p.m.

2 stops15h 34m

C$ 905

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 22/4

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

1 stop14h 30m

London Stansted

Wed 6/5

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

1 stop26h 00m

C$ 923

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mon 13/4

5:55 p.m.-2:40 p.m.

2 stops15h 45m

London Stansted

Mon 20/4

6:30 a.m.-5:36 p.m.

3 stops16h 06m

C$ 964

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Fri 24/7

6:25 p.m.-9:20 p.m.

2 stops21h 55m

London Stansted

Mon 3/8

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

3 stops33h 00m

C$ 967

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

8:45 p.m.-10:05 a.m.

1 stop9h 20m

London Stansted

Mon 30/3

6:00 a.m.-9:00 p.m.

2 stops20h 00m

C$ 995

WindsorLondon

YQG - STN

YQGSTN

Windsor

Wed 15/4

9:45 a.m.-12:10 p.m.

2 stops21h 25m

London Stansted

Wed 22/4

7:45 a.m.-7:09 p.m.

2 stops16h 24m

C$ 1,043

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

6:45 a.m.-9:05 p.m.

2 stops34h 20m

London Stansted

Thu 26/3

5:40 p.m.-8:40 p.m.

2 stops31h 00m

C$ 1,079

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

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 17h 20m. 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
Sutton
Twickenham
Gatwick
Slough
Marlow
Cobham
Romford
Watford
Bedford
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.
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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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