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Cheap flights from London Stansted Airport to Ontario from C$ 447

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
STN — YYZ
2 Dec — 9 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Ontario

Keep the following information in mind while searching for Stansted to Ontario flight deals. Data was last updated 2 November 2025.

Round-trip from

C$ 675

One-way from

C$ 447

Popular in

December

Cheapest in

February

Average price

C$ 742
17/1-24/1
  • 17/1-24/1
  • 4 total stops
  • 39h 10m total
  • London to Ontario
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7/12
  • 7/12
  • 2 total stops
  • 18h 15m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Stansted to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Ontario
Explore the most affordable flight options available from Stansted to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2025.

Wed 3/122:25 p.m.STN - YYZ
2 stops27h 40mMultiple Airlines
Sun 7/129:20 p.m.YYZ - STN
1 stop13h 35mMultiple Airlines
Deal found 1/11C$ 705
Mon 17/116:30 a.m.STN - YYZ
2 stops18h 20mMultiple Airlines
Sun 23/117:35 p.m.YYZ - STN
1 stop17h 45mMultiple Airlines
Deal found 31/10C$ 709
Thu 4/126:30 a.m.STN - YYZ
2 stops16h 45mMultiple Airlines
Wed 10/127:40 p.m.YYZ - STN
2 stops22h 10mMultiple Airlines
Deal found 1/11C$ 714
Thu 4/126:30 a.m.STN - YYZ
2 stops16h 45mMultiple Airlines
Sun 7/127:40 p.m.YYZ - STN
2 stops19h 25mMultiple Airlines
Deal found 31/10C$ 717
Tue 2/126:45 p.m.STN - YYZ
2 stops30h 00mMultiple Airlines
Sun 7/127:35 p.m.YYZ - STN
1 stop9h 15mMultiple Airlines
Deal found 1/11C$ 719
Mon 1/129:45 p.m.STN - YYZ
2 stops27h 00mMultiple Airlines
Mon 8/127:45 p.m.YYZ - STN
2 stops20h 35mMultiple Airlines
Deal found 1/11C$ 723
Tue 25/119:45 p.m.STN - YYZ
1 stop18h 30mMultiple Airlines
Sun 30/117:35 p.m.YYZ - STN
1 stop9h 15mMultiple Airlines
Deal found 1/11C$ 734
Wed 19/116:30 a.m.STN - YYZ
2 stops18h 20mMultiple Airlines
Sun 30/117:35 p.m.YYZ - STN
1 stop9h 15mMultiple Airlines
Deal found 31/10C$ 735
Fri 5/126:30 a.m.STN - YYZ
2 stops16h 45mMultiple Airlines
Sun 7/127:40 p.m.YYZ - STN
2 stops20h 40mMultiple Airlines
Deal found 1/11C$ 738
Fri 5/126:50 a.m.STN - YUL
1 stop18h 25mMultiple Airlines
Mon 8/129:45 p.m.YUL - STN
1 stop21h 10mMultiple Airlines
Deal found 2/11C$ 762
Tue 2/125:55 a.m.STN - YUL
2 stops35h 05mMultiple Airlines
Tue 9/129:45 p.m.YUL - STN
1 stop17h 45mMultiple Airlines
Deal found 2/11C$ 776
Tue 18/115:55 a.m.STN - YUL
2 stops35h 05mMultiple Airlines
Mon 24/118:10 p.m.YUL - STN
2 stops22h 45mMultiple Airlines
Deal found 2/11C$ 794

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stansted to Ontario 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 2 November 2025.
Use the filters below to find and compare flights from London Stansted Airport to Ontario that are best for you.

Fly from

Stansted

Fly to

Ontario

Route

Depart

Return

Price

LondonMontreal

STN - YUL

STNYUL

London Stansted

Fri 5/12

6:50 a.m.-8:15 p.m.

1 stop18h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

9:45 p.m.-11:55 p.m.

1 stop21h 10m

C$ 762

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Mon 17/11

6:30 a.m.-7:50 p.m.

2 stops18h 20m

Toronto Pearson Intl

Tue 25/11

7:35 p.m.-9:50 a.m.

1 stop9h 15m

C$ 773

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Fri 21/11

6:30 a.m.-6:15 p.m.

2 stops16h 45m

Toronto Pearson Intl

Mon 24/11

7:40 p.m.-9:20 p.m.

2 stops20h 40m

C$ 777

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Fri 14/11

9:45 p.m.-11:15 a.m.

1 stop18h 30m

Toronto Pearson Intl

Sun 16/11

7:35 p.m.-9:50 a.m.

1 stop9h 15m

C$ 780

LondonMontreal

STN - YUL

STNYUL

London Stansted

Tue 18/11

5:55 a.m.-12:00 p.m.

2 stops35h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

8:10 p.m.-11:55 p.m.

2 stops22h 45m

C$ 794

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Wed 19/11

6:45 p.m.-4:15 p.m.

2 stops26h 30m

Toronto Pearson Intl

Sun 23/11

7:35 p.m.-9:50 a.m.

1 stop9h 15m

C$ 807

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Sat 17/1

8:25 p.m.-12:10 p.m.

1 stop20h 45m

Toronto Pearson Intl

Sat 24/1

6:50 p.m.-12:20 p.m.

1 stop12h 30m

C$ 825

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Wed 3/12

8:30 a.m.-6:15 p.m.

2 stops14h 45m

Toronto Pearson Intl

Sat 6/12

7:40 p.m.-2:50 p.m.

2 stops14h 10m

C$ 827

LondonMontreal

STN - YUL

STNYUL

London Stansted

Wed 4/2

12:10 p.m.-8:15 p.m.

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

9:45 p.m.-3:40 p.m.

1 stop12h 55m

C$ 831

LondonMontreal

STN - YUL

STNYUL

London Stansted

Fri 21/11

11:20 a.m.-12:00 p.m.

2 stops29h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

7:10 p.m.-5:15 p.m.

1 stop17h 05m

C$ 841

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 60 results
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Best time to book a flight from Stansted to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Stansted 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 London Stansted Airport to Ontario
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 Stansted to Ontario. 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 London Stansted Airport to Region of Ontario?

    The most popular route from London Stansted Airport to Region of Ontario is London Stansted - Toronto Pearson Intl. You may also consider London Stansted - Montreal Pierre Elliott Trudeau Intl or London Stansted - Toronto Island.

  • Can I find deals for flights from Stansted to Ontario that include hotel bookings?

    Yes. In addition to deals on Stansted to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Ontario.

  • Can I find deals for business class flights from Stansted to Ontario?

    Yes. Cheapflights offers flight deals from Stansted to Ontario 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

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Alternative routes for Stansted to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
Heathrow to Vancouver Intl flights
London City to Pearson Intl flights
Stansted to Pearson Intl flights
Heathrow to Calgary flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Vancouver Intl flights
London City to Vancouver Intl flights
Gatwick to Calgary flights
Heathrow to Abbotsford flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Calgary flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Heathrow to Halifax flights
Luton to Calgary flights
Luton to Vancouver Intl flights
Heathrow to Ottawa flights
Southend to Pearson Intl flights
Gatwick to Ottawa flights
Southend to Pierre Elliott Trudeau Intl flights
Heathrow to Victoria flights
Heathrow to Edmonton flights
Stansted to Calgary flights
Gatwick to Edmonton flights
Gatwick to Halifax flights
Heathrow to London flights
Heathrow to Winnipeg flights
Gatwick to Winnipeg flights
Gatwick to Victoria flights
Gatwick to St. John's flights
Gatwick to Kelowna flights
Heathrow to Hamilton flights
Stansted to Ottawa 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 Stansted to Ontario?

Deals for Stansted to Ontario 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 Stansted to Ontario?

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 Ontario from Stansted.

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

Certainly. Search results for flights to Ontario from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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