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Cheap flights from Ontario to London Stansted Airport from £220

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
4 Jan — 11 Jan1
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 5 Dezember 2025.

So 7/1215:30YYZ - STN
2 stops22h 55mMultiple Airlines
Di 9/1219:45STN - YYZ
1 stop22h 50mMultiple Airlines
Deal found 3/12£462
So 7/1216:30YTZ - STN
2 stops21h 55mMultiple Airlines
Mo 15/1218:45STN - YTZ
2 stops31h 05mMultiple Airlines
Deal found 3/12£463
So 7/1217:00YYZ - STN
2 stops21h 25mMultiple Airlines
Mo 15/1218:45STN - YYZ
2 stops29h 11mMultiple Airlines
Deal found 3/12£469
So 7/1220:15YUL - STN
1 stop18h 10mMultiple Airlines
Do 11/1220:05STN - YUL
2 stops31h 20mMultiple Airlines
Deal found 3/12£489
Di 9/1210:30YTZ - STN
2 stops29h 00mMultiple Airlines
Di 16/1205:55STN - YTZ
2 stops17h 00mMultiple Airlines
Deal found 4/12£509
Di 9/1214:00YYZ - STN
2 stops25h 30mMultiple Airlines
Di 16/1205:55STN - YYZ
3 stops19h 51mMultiple Airlines
Deal found 4/12£514
Di 9/1221:45YUL - STN
1 stop17h 45mMultiple Airlines
Di 16/1205:55STN - YUL
1 stop12h 50mMultiple Airlines
Deal found 4/12£516
Sa 6/1218:50YYZ - STN
1 stop17h 50mMultiple Airlines
Mo 15/1218:45STN - YYZ
2 stops29h 11mMultiple Airlines
Deal found 2/12£518
Fr 5/1217:00YYZ - STN
2 stops22h 00mMultiple Airlines
Di 9/1219:45STN - YYZ
1 stop22h 50mMultiple Airlines
Deal found 4/12£525
Mo 8/1221:05YUL - STN
2 stops21h 50mMultiple Airlines
Mo 15/1207:10STN - YUL
2 stops17h 35mMultiple Airlines
Deal found 3/12£543
Fr 5/1219:35YYZ - STN
3 stops21h 50mMultiple Airlines
Mi 10/1216:45STN - YYZ
3 stops28h 55mMultiple Airlines
Deal found 2/12£561
Do 4/1219:35YUL - STN
1 stop14h 15mMultiple Airlines
Mi 10/1206:30STN - YUL
2 stops18h 10mMultiple Airlines
Deal found 4/12£571

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 5 Dezember 2025.

Round-trip from

£425

One-way from

£220

Popular in

December

Cheapest in

February

Average price

£639
1/4-13/4
  • 1/4-13/4
  • 2 total stops
  • 37h 00m total
  • Ontario to London
Search Deals
20/3
  • 20/3
  • 1 total stop
  • 17h 35m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 5 Dezember 2025.
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

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sa 10/1

07:00-17:40

2 stops29h 40m

London Stansted

Fr 16/1

06:50-14:25

1 stop12h 35m

£461

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mo 12/1

17:30-16:55

2 stops18h 25m

London Stansted

Mo 19/1

08:40-19:55

2 stops16h 15m

£465

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mo 12/1

08:50-23:55

3 stops34h 05m

London Stansted

Mo 26/1

18:45-15:25

2 stops25h 40m

£477

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mi 6/5

23:45-19:15

1 stop14h 30m

London Stansted

Sa 16/5

08:00-17:10

1 stop14h 10m

£492

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Mi 13/5

23:45-19:15

1 stop14h 30m

London Stansted

Mi 20/5

20:10-17:10

1 stop26h 00m

£501

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Mo 12/1

08:50-23:55

3 stops34h 05m

London Stansted

So 18/1

07:40-22:20

3 stops43h 40m

£511

TorontoLondon

YTZ - STN

YTZSTN

Toronto Island

Di 17/3

12:30-20:15

3 stops27h 45m

London Stansted

Mo 23/3

16:45-17:55

3 stops29h 10m

£516

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Mo 13/4

09:00-17:35

2 stops27h 35m

London Stansted

Mo 27/4

06:30-00:22

3 stops22h 52m

£520

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Sa 17/1

08:30-17:40

3 stops28h 10m

London Stansted

Sa 24/1

20:25-17:18

2 stops25h 53m

£520

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

So 31/5

06:45-22:20

2 stops34h 35m

London Stansted

Di 16/6

21:15-10:40

1 stop18h 25m

£525

Flights are sorted by cheapest return flights first.

Deals found on 4/12

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 return 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 holiday 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
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Romford
Bedford
Chichester
Guildford
Ipswich

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Deals for Ontario to Stansted flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Stansted?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Stansted for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Stansted with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Stansted with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Stansted become cheaper?

Of course! You can now track prices for flights from Ontario to Stansted and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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