Cheap flights from Ontario to London Stansted Airport from C$ 344
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Stansted
Keep the following information in mind while searching for Ontario to Stansted flight deals. Data was last updated 28 August 2025.
Find flight deals from Ontario to Stansted
Cheapest flights from Ontario to StanstedExplore 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 28 August 2025.
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 28 August 2025.
Cheapflights Fare Finder
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
YYZ - STN
YYZSTN
Toronto Pearson Intl
Wed 17/9
11:55 p.m.-2:25 p.m.
1 stop9h 30m
London Stansted
Fri 26/9
6:40 a.m.-3:50 p.m.
1 stop14h 10m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Fri 12/9
11:55 p.m.-4:35 p.m.
1 stop11h 40m
London Stansted
Wed 17/9
10:00 p.m.-8:00 p.m.
2 stops27h 00m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Mon 15/9
11:55 p.m.-4:05 p.m.
1 stop11h 10m
London Stansted
Fri 19/9
10:50 p.m.-2:15 p.m.
1 stop20h 25m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Fri 12/9
11:55 p.m.-9:20 p.m.
1 stop16h 25m
London Stansted
Thu 18/9
6:55 a.m.-8:00 p.m.
2 stops18h 05m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Sat 4/10
10:10 p.m.-1:40 p.m.
1 stop10h 30m
London Stansted
Tue 7/10
9:25 p.m.-2:10 p.m.
1 stop21h 45m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Wed 17/9
11:55 p.m.-2:25 p.m.
1 stop9h 30m
London Stansted
Sat 27/9
6:35 a.m.-3:50 p.m.
1 stop14h 15m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Tue 16/9
11:55 p.m.-2:20 p.m.
1 stop9h 25m
London Stansted
Sun 21/9
9:45 a.m.-3:50 p.m.
1 stop11h 05m
TorontoLondon
YYZ - STN
YYZSTN
Toronto Pearson Intl
Wed 17/9
11:55 p.m.-8:55 p.m.
1 stop16h 00m
London Stansted
Thu 25/9
10:55 p.m.-2:40 p.m.
1 stop20h 45m
MontrealLondon
YUL - STN
YULSTN
Montreal Pierre Elliott Trudeau Intl
Sun 21/9
6:45 a.m.-9:15 p.m.
2 stops33h 30m
London Stansted
Wed 8/10
8:15 a.m.-12:27 a.m.
2 stops21h 12m
MontrealLondon
YUL - STN
YULSTN
Montreal Pierre Elliott Trudeau Intl
Fri 3/10
6:00 p.m.-4:35 p.m.
2 stops17h 35m
London Stansted
Mon 13/10
8:05 p.m.-5:55 p.m.
1 stop26h 50m
Best time to book a flight from Ontario to Stansted
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Cheapflights Insights
Everything you need to know about your flight from Ontario to London Stansted Airport
Related info for your journey
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Travelling to a place near London Stansted Airport?
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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.
Top airline flying from Ontario to Stansted
Discover the top airline that operate flights from Ontario to Stansted. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 August 2025.
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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.