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Cheap flights from Ontario to London Stansted Airport from C$ 354

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
22 Apr — 29 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 23 March 2026.

Thu 11/69:35 p.m.
YYZ
-
STN
1 stop12h 00m
Multiple Airlines
Tue 23/66:30 a.m.
STN
-
YYZ
2 stops15h 40m
Multiple Airlines
Deal found 22/3C$ 719
Wed 20/510:05 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Thu 28/56:30 a.m.
STN
-
YYZ
2 stops20h 15m
Multiple Airlines
Deal found 19/3C$ 720
Wed 6/56:15 p.m.
YYZ
-
STN
2 stops12h 20m
Multiple Airlines
Tue 19/58:30 a.m.
STN
-
YYZ
1 stop11h 25m
Multiple Airlines
Deal found 21/3C$ 722
Mon 18/511:05 p.m.
YYZ
-
STN
1 stop10h 35m
Multiple Airlines
Mon 15/610:00 p.m.
STN
-
YYZ
2 stops24h 10m
Multiple Airlines
Deal found 21/3C$ 723
Mon 11/59:35 p.m.
YYZ
-
STN
1 stop18h 45m
Multiple Airlines
Mon 18/58:00 p.m.
STN
-
YYZ
1 stop22h 20m
Multiple Airlines
Deal found 22/3C$ 724
Tue 19/510:05 p.m.
YYZ
-
STN
1 stop10h 20m
Multiple Airlines
Wed 10/610:45 p.m.
STN
-
YYZ
2 stops23h 30m
Multiple Airlines
Deal found 18/3C$ 726
Mon 18/511:05 p.m.
YYZ
-
STN
1 stop10h 35m
Multiple Airlines
Wed 20/510:45 p.m.
STN
-
YYZ
1 stop19h 35m
Multiple Airlines
Deal found 22/3C$ 727
Tue 19/510:05 p.m.
YYZ
-
STN
1 stop10h 20m
Multiple Airlines
Wed 27/510:45 p.m.
STN
-
YYZ
1 stop19h 35m
Multiple Airlines
Deal found 20/3C$ 728
Tue 19/510:05 p.m.
YYZ
-
STN
1 stop10h 20m
Multiple Airlines
Tue 26/56:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 19/3C$ 730
Mon 4/59:35 p.m.
YYZ
-
STN
1 stop16h 50m
Multiple Airlines
Tue 19/56:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 21/3C$ 731
Sun 17/58:35 p.m.
YUL
-
STN
2 stops21h 50m
Multiple Airlines
Wed 27/58:30 a.m.
STN
-
YUL
2 stops21h 07m
Multiple Airlines
Deal found 21/3C$ 757
Sun 19/48:45 p.m.
YUL
-
STN
1 stop19h 45m
Multiple Airlines
Tue 28/410:00 p.m.
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Deal found 21/3C$ 800

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 23 March 2026.

Round-trip from

C$ 719

One-way from

C$ 354

Popular in

December

Cheapest in

May

Average price

C$ 841
11/6-23/6
  • 11/6-23/6
  • 3 total stops
  • 27h 40m total
  • Ontario to London
Search Deals
27/5
  • 27/5
  • 2 total stops
  • 21h 05m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 51 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 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 23 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

Cheapest round-trip

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 10/5

7:15 p.m.-9:55 p.m.

1 stop21h 40m

London Stansted

Mon 18/5

7:50 p.m.-5:10 p.m.

1 stop26h 20m

C$ 894

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 11/5

10:55 a.m.-12:40 p.m.

2 stops20h 45m

London Stansted

Wed 27/5

7:40 p.m.-2:15 p.m.

2 stops23h 35m

C$ 949

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 8/4

8:30 a.m.-11:55 p.m.

3 stops34h 25m

London Stansted

Wed 15/4

8:35 p.m.-9:32 p.m.

3 stops29h 57m

C$ 955

LondonLondon

YXU - STN

YXUSTN

London

Sat 2/5

12:20 p.m.-2:30 p.m.

2 stops21h 10m

London Stansted

Sat 9/5

6:35 a.m.-5:33 p.m.

2 stops15h 58m

C$ 974

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sun 17/5

4:00 p.m.-9:35 a.m.

2 stops12h 35m

London Stansted

Wed 3/6

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

3 stops31h 20m

C$ 981

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$ 1,036

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 30/5

6:55 a.m.-10:15 a.m.

2 stops22h 20m

London Stansted

Sun 14/6

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

3 stops24h 35m

C$ 1,060

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 2/5

6:25 p.m.-2:30 p.m.

2 stops15h 05m

London Stansted

Sat 9/5

7:35 p.m.-12:20 a.m.

3 stops33h 45m

C$ 1,088

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Tue 7/4

9:25 a.m.-12:10 a.m.

3 stops33h 45m

London Stansted

Sat 18/4

4:35 p.m.-2:45 p.m.

3 stops27h 10m

C$ 1,097

Thunder BayLondon

YQT - STN

YQTSTN

Thunder Bay

Wed 20/5

11:35 a.m.-8:30 p.m.

3 stops27h 55m

London Stansted

Wed 27/5

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

3 stops29h 33m

C$ 1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

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 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
Gatwick
Twickenham
Bromley
Sutton
Slough
Marlow
Cobham
Romford
Bedford
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.
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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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