Find flights
When to book
FAQs

Cheap flights from Ontario to London Stansted Airport from C$ 336

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
14 Jul — 21 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 14 June 2026.

Tue 16/66:25 p.m.
YOW
-
STN
3 stops19h 15m
Multiple Airlines
Tue 23/66:30 a.m.
STN
-
YOW
3 stops22h 50m
Multiple Airlines
Deal found 11/6C$ 764
Wed 8/79:55 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Wed 15/76:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 13/6C$ 804
Wed 15/79:55 p.m.
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Mon 27/78:00 a.m.
STN
-
YYZ
1 stop11h 10m
Multiple Airlines
Deal found 10/6C$ 806
Mon 20/77:15 p.m.
YYZ
-
STN
1 stop10h 45m
Multiple Airlines
Sun 2/810:10 p.m.
STN
-
YYZ
1 stop17h 50m
Multiple Airlines
Deal found 12/6C$ 807
Thu 23/711:55 p.m.
YYZ
-
STN
1 stop16h 25m
Multiple Airlines
Fri 7/86:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 9/6C$ 808
Mon 15/610:45 a.m.
YTZ
-
STN
2 stops25h 20m
Multiple Airlines
Mon 22/610:00 p.m.
STN
-
YTZ
2 stops24h 51m
Multiple Airlines
Deal found 10/6C$ 810
Tue 16/66:45 a.m.
YUL
-
STN
3 stops33h 35m
Multiple Airlines
Tue 23/612:50 p.m.
STN
-
YUL
2 stops27h 15m
Multiple Airlines
Deal found 11/6C$ 810
Tue 7/75:35 p.m.
YYZ
-
STN
1 stop9h 15m
Multiple Airlines
Fri 17/76:35 a.m.
STN
-
YYZ
1 stop14h 15m
Multiple Airlines
Deal found 10/6C$ 810
Mon 15/610:55 p.m.
YYZ
-
STN
1 stop10h 45m
Multiple Airlines
Mon 22/66:30 a.m.
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Deal found 9/6C$ 811
Sun 5/77:15 p.m.
YYZ
-
STN
1 stop21h 40m
Multiple Airlines
Sun 2/810:10 p.m.
STN
-
YYZ
1 stop17h 50m
Multiple Airlines
Deal found 10/6C$ 813
Wed 29/710:50 a.m.
YTZ
-
STN
2 stops19h 45m
Multiple Airlines
Wed 5/810:00 p.m.
STN
-
YTZ
2 stops24h 51m
Multiple Airlines
Deal found 11/6C$ 814
Fri 12/66:25 p.m.
YOW
-
STN
2 stops23h 30m
Multiple Airlines
Wed 17/610:45 p.m.
STN
-
YOW
3 stops30h 35m
Multiple Airlines
Deal found 10/6C$ 814

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 14 June 2026.

Round-trip from

C$ 804

One-way from

C$ 336

Popular in

July

Cheapest in

February

Average price

C$ 1,003
8/7-15/7
  • 8/7-15/7
  • 2 total stops
  • 29h 15m total
  • Ontario to London
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 24h 15m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 228 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 June 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 14 June 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

YTZ - STN

YTZSTN

Toronto Island

Fri 7/8

12:20 p.m.-12:50 p.m.

3 stops19h 30m

London Stansted

Mon 10/8

10:45 p.m.-5:51 p.m.

2 stops24h 06m

C$ 813

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 29/7

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

3 stops15h 00m

London Stansted

Fri 7/8

10:50 p.m.-3:51 p.m.

2 stops22h 01m

C$ 857

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 6/7

5:30 p.m.-7:25 p.m.

2 stops20h 55m

London Stansted

Fri 10/7

10:50 p.m.-2:21 p.m.

2 stops20h 31m

C$ 878

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 8/7

3:35 p.m.-7:30 p.m.

3 stops22h 55m

London Stansted

Thu 16/7

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

2 stops12h 51m

C$ 888

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mon 13/7

5:30 p.m.-2:10 p.m.

2 stops15h 40m

London Stansted

Mon 20/7

10:00 p.m.-2:21 p.m.

2 stops21h 21m

C$ 895

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Wed 1/7

6:30 p.m.-7:30 p.m.

2 stops20h 00m

London Stansted

Mon 6/7

6:30 a.m.-9:30 p.m.

3 stops20h 00m

C$ 950

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Fri 3/7

6:30 p.m.-7:20 p.m.

2 stops19h 50m

London Stansted

Sat 11/7

6:35 a.m.-9:30 p.m.

3 stops19h 55m

C$ 976

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 1/9

6:55 a.m.-9:20 p.m.

3 stops33h 25m

London Stansted

Tue 22/9

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

2 stops24h 35m

C$ 1,003

Thunder BayLondon

YQT - STN

YQTSTN

Thunder Bay

Tue 28/7

10:10 a.m.-8:00 p.m.

2 stops28h 50m

London Stansted

Tue 4/8

10:00 p.m.-6:28 p.m.

3 stops25h 28m

C$ 1,213

Thunder BayLondon

YQT - STN

YQTSTN

Thunder Bay

Wed 8/7

6:30 a.m.-5:10 p.m.

3 stops29h 40m

London Stansted

Wed 15/7

8:15 a.m.-6:28 p.m.

2 stops15h 13m

C$ 1,319

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 32h 40m. 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 Toronto Island - 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Pearson Intl to Gatwick flights
Vancouver Intl to Gatwick flights
Pearson Intl to Stansted flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to London City flights
Toronto Island to Heathrow flights
Vancouver Intl to London City flights
Pearson Intl to Luton flights
Toronto Island to Gatwick flights
Vancouver Intl to Stansted flights
Pierre Elliott Trudeau Intl to Gatwick flights
Calgary to Heathrow flights
Abbotsford to Heathrow flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to London City flights
Vancouver Intl to Luton flights
Halifax to Heathrow flights
Ottawa to Heathrow flights
Pierre Elliott Trudeau Intl to Luton flights
Calgary to Gatwick flights
Edmonton to Heathrow flights
Calgary to London City flights
Pierre Elliott Trudeau Intl to Southend flights
Abbotsford to Gatwick flights
Edmonton to Gatwick flights
Calgary to Stansted flights
Ottawa to Gatwick flights
Halifax to Gatwick flights
Calgary to Luton flights
Edmonton to London City flights
Edmonton to Stansted flights
Québec City to Heathrow flights
Halifax to London City flights
Ottawa to London City flights
Ottawa to Stansted flights
Québec City to Gatwick flights
Halifax to Stansted flights
Winnipeg to Heathrow flights
Victoria to Heathrow flights
Cranbrook to Heathrow flights
Winnipeg to Gatwick flights
Victoria to Gatwick flights
Halifax to Luton flights
Kelowna to Heathrow flights
Abbotsford to London City flights
St. John's to Heathrow flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Stansted?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Stansted from Ontario today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.