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Cheap flights from Ontario to London Stansted Airport from C$ 386

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
6 Mar — 13 Mar1
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 4 February 2026.

Tue 24/29:05 p.m.
YYZ
-
STN
2 stops16h 35m
Multiple Airlines
Thu 5/36:30 a.m.
STN
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 3/2C$ 698
Wed 15/410:00 p.m.
YYZ
-
STN
1 stop20h 20m
Multiple Airlines
Tue 21/46:30 a.m.
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 3/2C$ 699
Wed 1/410:30 a.m.
YYZ
-
STN
3 stops29h 00m
Multiple Airlines
Wed 15/47:10 p.m.
STN
-
YYZ
2 stops24h 05m
Multiple Airlines
Deal found 4/2C$ 702
Tue 24/37:10 a.m.
YYZ
-
STN
3 stops35h 45m
Multiple Airlines
Tue 14/46:30 a.m.
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Deal found 3/2C$ 705
Wed 25/310:00 p.m.
YYZ
-
STN
1 stop13h 05m
Multiple Airlines
Mon 20/410:45 p.m.
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Deal found 4/2C$ 706
Tue 24/29:05 p.m.
YYZ
-
STN
2 stops16h 35m
Multiple Airlines
Wed 4/39:45 p.m.
STN
-
YYZ
1 stop21h 25m
Multiple Airlines
Deal found 1/2C$ 707
Mon 23/310:00 p.m.
YYZ
-
STN
1 stop16h 20m
Multiple Airlines
Wed 13/56:30 a.m.
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 4/2C$ 710
Wed 22/410:00 p.m.
YYZ
-
STN
1 stop9h 50m
Multiple Airlines
Sun 26/46:35 a.m.
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 1/2C$ 713
Sun 19/410:00 p.m.
YYZ
-
STN
1 stop19h 20m
Multiple Airlines
Tue 28/46:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 4/2C$ 714
Mon 30/311:00 p.m.
YUL
-
STN
2 stops20h 55m
Multiple Airlines
Wed 15/410:45 p.m.
STN
-
YUL
2 stops30h 53m
Multiple Airlines
Deal found 4/2C$ 736
Mon 13/411:00 p.m.
YUL
-
STN
2 stops19h 45m
Multiple Airlines
Sat 2/510:00 p.m.
STN
-
YUL
2 stops25h 25m
Multiple Airlines
Deal found 3/2C$ 737
Wed 8/411:00 p.m.
YUL
-
STN
2 stops19h 10m
Multiple Airlines
Tue 21/46:30 a.m.
STN
-
YUL
2 stops23h 08m
Multiple Airlines
Deal found 4/2C$ 740

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 4 February 2026.

Round-trip from

C$ 698

One-way from

C$ 386

Popular in

December

Cheapest in

February

Average price

C$ 703
24/2-5/3
  • 24/2-5/3
  • 3 total stops
  • 29h 15m total
  • Ontario to London
Search Deals
18/3
  • 18/3
  • 2 total stops
  • 38h 05m 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. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 4 February 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 6/4

5:40 a.m.-9:20 p.m.

2 stops34h 40m

London Stansted

Mon 20/4

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

2 stops23h 09m

C$ 748

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 27/4

11:45 a.m.-3:30 p.m.

2 stops22h 45m

London Stansted

Tue 12/5

9:10 a.m.-8:20 p.m.

2 stops16h 10m

C$ 784

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 15/5

5:30 p.m.-7:20 p.m.

2 stops20h 50m

London Stansted

Mon 18/5

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

2 stops12h 52m

C$ 806

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

6:50 p.m.-3:05 p.m.

1 stop15h 15m

London Stansted

Mon 1/6

3:35 p.m.-11:35 a.m.

1 stop25h 00m

C$ 855

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 10/3

12:30 p.m.-8:15 p.m.

2 stops27h 45m

London Stansted

Wed 18/3

5:55 a.m.-7:55 a.m.

3 stops30h 00m

C$ 870

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Wed 1/4

5:40 a.m.-9:20 p.m.

2 stops34h 40m

London Stansted

Thu 9/4

6:30 a.m.-6:26 p.m.

2 stops16h 56m

C$ 879

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

6:50 p.m.-3:05 p.m.

1 stop15h 15m

London Stansted

Fri 19/6

5:00 p.m.-11:35 a.m.

1 stop23h 35m

C$ 886

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Thu 30/4

5:55 a.m.-9:20 p.m.

3 stops34h 25m

London Stansted

Fri 15/5

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

2 stops31h 20m

C$ 889

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

6:45 a.m.-9:20 p.m.

2 stops33h 35m

London Stansted

Fri 15/5

10:00 p.m.-12:40 a.m.

3 stops31h 40m

C$ 892

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 4/3

5:30 p.m.-10:40 p.m.

2 stops24h 10m

London Stansted

Wed 18/3

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

3 stops30h 05m

C$ 893

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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.

  • 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
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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