Cheap flights Ontario — London (ONT — LON)

Good to know - Cheap tickets Ontario — London

Cheapest flight found $395
Flight distance 8736 km
Round-trip from $454
Cheapest month to fly September

Airfare Ontario – London by month

Here you can find out in what months how much a ticket Ontario – London costs to buy cheap plane tickets.

Month One-way Round-trip
April 2026
February 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Sales of tickets from Ontario to London in the last 48 hours

2025-10-05 one-way

2025-10-19 - 2025-10-26

Dynamics airfare Ontario — London by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Ontario — London

The graph shows that booking flights Ontario — London is best planned for September and flights Ontario — London — Ontario in the month of February.

Flights Ontario — London

The selection of cheap flights Ontario — London

Here you can find and purchase the cheapest flights Ontario — London from $395 and Ontario — London — Ontario from $454.

The price of the flight Ontario — London (United Kingdom) — Ontario from $454 (round-trip).

The average price of the flight Ontario — London (United Kingdom) — Ontario $1,078 (round-trip).

Low cost flights Ontario — London (ONT — LON)

The distance between Ontario and London 5428 miles (or 8736 kilometres).

The time difference between Ontario and London is 8 h.

LowCostClub always do a comparison of airfares Ontario — London with several airlines (include American Airlines, Ameriflight, Avianca). They will always give you all available options so you can find the cheapest flight to London. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Ontario — London. Last week, for instance, the cheapest round-trip prices stood at $454 while the cheapest one-way price that was available within the last week cost $395

Routes from nearby cities to London

A flight from a neighbouring city can help you save money on plane tickets.

The most frequent flight to London is from Fresno. The cheapest airfare can be purchased with a flight from Los Angeles from $214. The nearest airports from Ontario with a flight to London are in Las Vegas.

Popular International routes from Ontario

Popular routes from London

If you are going to fly from London, then study the popular flights. The most popular flights from London:

Popular domestic routes from Ontario

FAQ about Ontario — London

Yes, you can fly from Ontario to London. Ontario has 2 airports (Ontario International Airport, International Heliport) for flights. There are non-direct flights through American Airlines, Ameriflight, Avianca, China Airlines, Delta Air Lines, FedEx, JetBlue, NetJets, One Air, United Airlines, UPS.

The price of flights Ontario — London starts from $395.

In Ontario — Ontario International Airport, International Heliport. In London — Biggin Hill, London Heathrow Airport, London Luton Airport, London-Waterloo, London Southend Airport, London City Airport, London Gatwick Airport, Stansted Airport, St Pancras International RailSt.

High season is considered to be October and the cheapest month is September. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Ontario — London flight deals.

All the following airlines flights Ontario — London: American Airlines, Ameriflight, Avianca, China Airlines, Delta Air Lines, FedEx, JetBlue, NetJets, One Air, United Airlines, UPS.

Low price calendar

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