Cheap flights from Ontario to London Stansted Airport from £174

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£387

One-way from

£174

Popular in

December

Cheapest in

February

Average price

£455
29/9-6/10
  • 29/9-6/10
  • 5 total stops
  • 35h 25m total
  • Ontario to London
16/10
  • 16/10
  • 2 total stops
  • 24h 20m total
  • Ontario to London
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Ontario to Stansted

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 16 September 2025.

Mon 29/916:10YTZ - STN
3 stops13h 40mMultiple Airlines
Mon 6/1022:00STN - YTZ
2 stops21h 45mMultiple Airlines
Deal found 15/9£387
Tue 30/923:55YYZ - STN
1 stop13h 15mMultiple Airlines
Tue 7/1008:15STN - YYZ
3 stops40h 25mMultiple Airlines
Deal found 14/9£390
Tue 18/1117:25YYZ - STN
1 stop9h 25mMultiple Airlines
Mon 24/1108:30STN - YYZ
1 stop12h 25mMultiple Airlines
Deal found 15/9£391
Mon 29/918:00YYZ - STN
2 stops11h 50mMultiple Airlines
Mon 6/1022:00STN - YYZ
2 stops22h 24mMultiple Airlines
Deal found 15/9£392
Sat 8/1117:25YYZ - STN
1 stop9h 25mMultiple Airlines
Tue 18/1106:30STN - YYZ
1 stop14h 25mMultiple Airlines
Deal found 15/9£393
Thu 23/1020:15YUL - STN
2 stops15h 25mMultiple Airlines
Sun 23/1106:30STN - YUL
2 stops18h 10mMultiple Airlines
Deal found 14/9£401
Thu 30/1020:40YYZ - STN
2 stops19h 25mMultiple Airlines
Thu 6/1106:30STN - YYZ
2 stops16h 45mMultiple Airlines
Deal found 15/9£402
Thu 30/1015:10YUL - STN
2 stops14h 40mMultiple Airlines
Sun 2/1120:00STN - YUL
2 stops24h 23mMultiple Airlines
Deal found 14/9£404
Tue 18/1117:25YYZ - STN
1 stop9h 25mMultiple Airlines
Sun 23/1108:30STN - YYZ
1 stop12h 25mMultiple Airlines
Deal found 15/9£405
Wed 22/1020:40YYZ - STN
1 stop12h 45mMultiple Airlines
Mon 3/1106:30STN - YYZ
2 stops14h 45mMultiple Airlines
Deal found 13/9£406
Mon 15/922:10YYZ - STN
1 stop12h 55mMultiple Airlines
Thu 18/906:55STN - YYZ
2 stops18h 05mMultiple Airlines
Deal found 14/9£407
Sun 9/1117:25YYZ - STN
1 stop12h 40mMultiple Airlines
Wed 19/1106:30STN - YYZ
1 stop14h 25mMultiple Airlines
Deal found 14/9£408

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 16 September 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

YTZ - STN

YTZSTN

Toronto Island

Mon 29/9

17:25-10:50

2 stops12h 25m

London Stansted

Mon 6/10

22:00-14:45

2 stops21h 45m

£387

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sun 9/11

17:25-11:05

1 stop12h 40m

London Stansted

Tue 18/11

06:30-15:55

1 stop14h 25m

£392

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 8/11

17:25-07:50

1 stop9h 25m

London Stansted

Tue 18/11

06:30-15:55

1 stop14h 25m

£393

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 30/10

20:40-20:05

2 stops19h 25m

London Stansted

Thu 6/11

06:30-18:15

2 stops16h 45m

£402

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 8/11

17:25-07:50

1 stop9h 25m

London Stansted

Sun 16/11

08:30-15:55

1 stop12h 25m

£410

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 13/11

17:25-09:50

1 stop11h 25m

London Stansted

Tue 18/11

06:30-15:55

1 stop14h 25m

£410

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

16:40-16:35

2 stops18h 55m

London Stansted

Mon 6/10

22:00-10:50

1 stop17h 50m

£416

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 19/11

22:45-18:10

1 stop14h 25m

London Stansted

Sat 6/12

05:50-14:40

1 stop13h 50m

£417

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Thu 15/1

17:35-12:55

1 stop14h 20m

London Stansted

Mon 19/1

09:05-21:15

1 stop17h 10m

£420

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Tue 7/10

23:55-14:20

1 stop9h 25m

London Stansted

Tue 18/11

05:55-15:20

1 stop14h 25m

£424

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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

How much does it cost for a return flight from Region of Ontario to London Stansted Airport?

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?

  • 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.

  • What is the cheapest month to book a flight from Region of Ontario to London Stansted Airport?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Stansted Airport (average of £55). Flying from Region of Ontario to London Stansted Airport in July is currently the most expensive (average of £103). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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