How long is the flight from London Stansted Airport to Ontario?

Airlines like Turkish Airlines fly from London Stansted Airport to Ontario in about 35h 22m. The time it takes to get you to your destination can typically vary by up to . The distance between London Stansted Airport and Ontario is about 5410 mi.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

What is the cheapest time of day to fly from STN to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Stansted Airport to Ontario as you normally would.

What airport do you fly into for flights to Ontario from London Stansted?

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from London Stansted to Ontario. 0 airlines have flights to Ontario from London Stansted on a regular basis. Booking flights from London Stansted to Ontario should not be difficult; the airport handles an average of 0 inbound flights from London Stansted per day.

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 holiday 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.

£398+ Cheap Flights from London Stansted Airport to Ontario

Cheap flight deals from Stansted to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 18 September 2026.

Wed 30/917:45 -

2 stops59h 12m

Mon 5/1022:42 -

2 stops34h 08m

Deal found 18/9£1,142

Fri 2/1017:35 -

2 stops35h 22m

Mon 5/1022:42 -

2 stops34h 08m

Deal found 18/9£1,171

Fri 2/1010:50 -

2 stops42h 07m

Sun 18/1023:05 -

2 stops33h 35m

Deal found 14/9£1,173

Wed 30/917:45 -

2 stops35h 12m

Sun 4/1022:39 -

2 stops34h 01m

Deal found 14/9£1,174

Fri 16/1017:35 -

2 stops36h 10m

Mon 19/1023:05 -

2 stops33h 45m

Deal found 15/9£1,195

Thu 24/917:35 -

2 stops59h 22m

Mon 28/922:39 -

2 stops34h 11m

Deal found 17/9£1,280

Thu 1/1017:35 -

2 stops35h 22m

Sun 4/1022:39 -

2 stops34h 01m

Deal found 18/9£1,303

Thu 24/917:35 -

2 stops35h 22m

Sat 10/1023:05 -

2 stops26h 50m

Deal found 15/9£1,381

Mon 21/910:50 -

2 stops42h 07m

Sun 4/1022:39 -

2 stops34h 01m

Deal found 14/9£1,437

Find flight deals from Stansted to Ontario

Round-trip from	£1,142
One-way from	£398
Popular in	December
Cheapest in	February
Average price	£462

Turkish Airlines
30/9-5/10
4 total stops
93h 20m total
London to Ontario

Search Deals

8/11-31/12
3 total stops
43h 08m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Mon 5/10

10:50-20:30

2 stops41h 40m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£856

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Thu 15/10

17:35-21:45

2 stops60h 10m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£862

Fastest return journey

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Thu 1/10

17:35-20:57

2 stops35h 22m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£863

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Wed 30/9

10:50-20:57

2 stops42h 07m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£878

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Fri 16/10

10:50-21:45

2 stops42h 55m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£882

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Tue 6/10

17:35-20:59

2 stops35h 24m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£898

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Tue 29/9

06:55-20:57

2 stops46h 02m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£959

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Sun 4/10

17:35-20:59

2 stops35h 24m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£986

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Mon 28/9

10:50-20:57

2 stops42h 07m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£993

LondonOntario

STN London Stansted - ONT Ontario

STNONT

London Stansted

Fri 2/10

17:35-20:57

2 stops35h 22m

Ontario

Mon 5/10

22:42-16:50

2 stops34h 08m

£1,171

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 22 resultsSorted by cheapest first

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.

STN-ONT

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.

Related info for your journey

What airport do you fly into for flights to Ontario from London Stansted?
Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from London Stansted to Ontario. 0 airlines have flights to Ontario from London Stansted on a regular basis. Booking flights from London Stansted to Ontario should not be difficult; the airport handles an average of 0 inbound flights from London Stansted per day.
How long is the flight from London Stansted Airport to Ontario?
Airlines like Turkish Airlines fly from London Stansted Airport to Ontario in about 35h 22m. The time it takes to get you to your destination can typically vary by up to . The distance between London Stansted Airport and Ontario is about 5410 mi.
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 holiday 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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When you search for this flight from Stansted to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Stansted to Ontario, users can toggle the no change fees filter when performing a flight search.

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

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Cheap flights from London Stansted Airport to Ontario from £398

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Ontario

Cheapest flights from Stansted to OntarioExplore 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 18 September 2026.

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 18 September 2026.

Best flights from Stansted to OntarioDiscover carefully curated flight deals from Stansted to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Stansted to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Stansted to OntarioDiscover last-minute flight deals from Stansted to Ontario. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Ontario. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Stansted to OntarioSearch for one-way flight options from Stansted to Ontario. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Stansted to Ontario. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Stansted to Ontario

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Use the filters below to find and compare flights from London Stansted Airport to Ontario that are best for you.

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.

Related info for your journey

What airport do you fly into for flights to Ontario from London Stansted?

How long is the flight from London Stansted Airport to Ontario?

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

How can I find direct flights from Stansted to Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Ontario

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Complete your trip

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Direct flights to California

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Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Stansted and Ontario flights

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

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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 18 September 2026.

Best flights from Stansted to Ontario
Discover carefully curated flight deals from Stansted to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Stansted to Ontario
Discover last-minute flight deals from Stansted to Ontario. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Stansted to Ontario
Search for one-way flight options from Stansted to Ontario. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.