Cheap Flights from London to Ontario from CAD 551️ 2024

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Find London to Ontario flights starting at CAD 551.

Book one-way or return flights from London to Ontario from as little as CAD 551. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from London to Ontario? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from London to Ontario. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from London to Ontario

View airlines operating flights from London to Ontario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Norse Atlantic Airways

From CAD 332

Vueling Airlines

From CAD 461

Air Transat

From CAD 851

TAP Air Portugal

From CAD 933

Jetblue Airways

From CAD 964

easyJet

From CAD 996

Icelandair

From CAD 1,455

Iberia

From CAD 1,775

United Airlines

From CAD 1,811

Lufthansa

From CAD 1,850

ANA airlines

Find more flights and airlines

Alternative Routes for London to Ontario Flights

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from London to Ontario.

Cheapest
LGW
14:00
40h 27m
2 transfer
ONT
22:27
London Gatwick Airport - Ontario International Airport
Fri, May 17Norse Atlantic Airways
CAD 332
LHR
10:55
13h 41m
2 transfer
ONT
16:36
London Heathrow Airport - Ontario International Airport
Tue, May 14Virgin Atlantic
CAD 710
LTN
06:05
22h 1m
4 transfer
ONT
20:06
London Luton Airport - Ontario International Airport
Mon, Jun 3easyJet
CAD 873
LTN
06:05
22h 1m
4 transfer
ONT
20:06
London Luton Airport - Ontario International Airport
Mon, Jun 3easyJet
CAD 873
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How do I find the cheapest flights?

When are flight tickets from London (LON) to Ontario (ONT) the cheapest?
Airlines adjust prices for flights from London to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from London (LON) to Ontario (ONT) cost?
According to Trip.com's data, the lowest price is around CAD 1,630.
What's the most popular airline for direct flights from London (LON) to Ontario (ONT)?
British Airways operates 1 direct flights from London (LON) to Ontario (ONT).

How to find a cheap flight from London to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Ontario. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information for London to Ontario Flights

Cheapest direct flight price	CAD 550
Cheapest return ticket price	CAD 718
Cheapest month	March
Peak season for travel	September
Flight distance	5,726.56km
Popular airline	Delta Air Lines