Looking for the price of a flight from Ontario to London Heathrow?

There’s no fixed price — fares between Ontario and London can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Is there more than one airport in Ontario or London?

Even short-haul routes can benefit from considering secondary airports. It may open up more flight times or cheaper fares.

• Airports in Ontario: Only Ontario is currently operational.
• Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Airports with more daily flights offer more flexibility if plans change or delays occur. If you’re flexible, consider airports near London as well.

Flight filters for the route Ontario – London Heathrow

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United Kingdom are often searched alongside: Edinburgh, Glasgow, London, Manchester, Newquay.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.