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Cheap flights from Ontario to London Stansted Airport from C$ 302

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
29 Jun — 6 Jul1
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 30 May 2026.

Thu 4/611:00 a.m.
YUL
-
STN
2 stops31h 20m
Multiple Airlines
Wed 10/68:30 a.m.
STN
-
YUL
2 stops16h 02m
Multiple Airlines
Deal found 29/5C$ 795
Wed 3/66:55 a.m.
YOW
-
STN
2 stops32h 35m
Multiple Airlines
Mon 15/66:30 a.m.
STN
-
YOW
3 stops16h 05m
Multiple Airlines
Deal found 29/5C$ 796
Mon 8/66:45 a.m.
YUL
-
STN
2 stops34h 20m
Multiple Airlines
Fri 26/610:50 p.m.
STN
-
YUL
2 stops29h 32m
Multiple Airlines
Deal found 30/5C$ 797
Wed 3/66:45 a.m.
YUL
-
STN
2 stops32h 45m
Multiple Airlines
Wed 10/67:25 a.m.
STN
-
YUL
2 stops18h 35m
Multiple Airlines
Deal found 29/5C$ 800
Mon 6/77:15 p.m.
YYZ
-
STN
1 stop10h 25m
Multiple Airlines
Fri 7/86:35 a.m.
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 30/5C$ 800
Tue 16/66:45 a.m.
YUL
-
STN
2 stops34h 10m
Multiple Airlines
Sun 21/65:45 p.m.
STN
-
YUL
2 stops32h 15m
Multiple Airlines
Deal found 28/5C$ 801
Thu 2/711:55 p.m.
YYZ
-
STN
1 stop16h 25m
Multiple Airlines
Mon 6/76:30 a.m.
STN
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 29/5C$ 801
Sun 7/66:45 a.m.
YUL
-
STN
2 stops34h 10m
Multiple Airlines
Sun 14/65:45 p.m.
STN
-
YUL
2 stops32h 15m
Multiple Airlines
Deal found 29/5C$ 803
Wed 8/77:35 a.m.
YYZ
-
STN
2 stops30h 55m
Multiple Airlines
Mon 20/710:45 p.m.
STN
-
YYZ
2 stops23h 25m
Multiple Airlines
Deal found 28/5C$ 803
Tue 15/93:10 p.m.
YUL
-
STN
2 stops26h 10m
Multiple Airlines
Tue 29/96:30 a.m.
STN
-
YUL
2 stops18h 02m
Multiple Airlines
Deal found 29/5C$ 804
Thu 18/611:00 a.m.
YYZ
-
STN
3 stops26h 30m
Multiple Airlines
Sun 28/66:35 a.m.
STN
-
YYZ
1 stop11h 45m
Multiple Airlines
Deal found 30/5C$ 804
Sun 14/68:35 p.m.
YUL
-
STN
2 stops20h 45m
Multiple Airlines
Sun 21/66:35 a.m.
STN
-
YUL
2 stops18h 55m
Multiple Airlines
Deal found 29/5C$ 806

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 30 May 2026.

Round-trip from

C$ 800

One-way from

C$ 302

Popular in

December

Cheapest in

February

Average price

C$ 848
16/6-21/6
  • 16/6-21/6
  • 4 total stops
  • 66h 25m total
  • Ontario to London
Search Deals
10/6
  • 10/6
  • 2 total stops
  • 32h 35m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 22 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 May 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 30 May 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

Wed 15/7

10:15 p.m.-10:50 p.m.

1 stop19h 35m

London Stansted

Wed 22/7

8:15 a.m.-2:10 p.m.

1 stop10h 55m

C$ 807

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 13/7

6:30 p.m.-2:40 p.m.

2 stops15h 10m

London Stansted

Tue 28/7

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

2 stops12h 51m

C$ 811

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mon 24/8

10:15 p.m.-9:35 p.m.

1 stop18h 20m

London Stansted

Mon 31/8

10:45 p.m.-5:10 p.m.

2 stops23h 25m

C$ 822

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 16/8

5:30 p.m.-12:55 p.m.

2 stops14h 25m

London Stansted

Mon 31/8

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

2 stops12h 51m

C$ 832

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sat 13/6

6:55 a.m.-1:15 p.m.

3 stops25h 20m

London Stansted

Fri 19/6

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

2 stops16h 00m

C$ 833

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 23/8

6:30 p.m.-12:55 p.m.

2 stops13h 25m

London Stansted

Mon 31/8

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

2 stops12h 51m

C$ 836

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Sun 2/8

10:45 a.m.-12:55 p.m.

2 stops21h 10m

London Stansted

Wed 12/8

10:45 p.m.-3:51 p.m.

2 stops22h 06m

C$ 844

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 18/9

6:30 p.m.-12:50 p.m.

2 stops13h 20m

London Stansted

Sat 26/9

6:35 a.m.-2:20 p.m.

2 stops12h 45m

C$ 847

Thunder BayLondon

YQT - STN

YQTSTN

Thunder Bay

Tue 23/6

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

3 stops30h 10m

London Stansted

Tue 30/6

6:30 a.m.-10:33 p.m.

2 stops21h 03m

C$ 884

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

11:45 p.m.-6:15 p.m.

1 stop13h 30m

London Stansted

Sun 21/6

9:15 a.m.-5:20 p.m.

1 stop13h 05m

C$ 902

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/5

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 15h 45m. 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
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe

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
Vancouver Intl to Heathrow flights
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Pierre Elliott Trudeau Intl to Stansted flights
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Ottawa to London City flights
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Winnipeg to Gatwick flights
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St. John's to Gatwick flights

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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