Flights tailored to your budget
- Flights from Ontario to London
How much is a ticket from Ontario to London Heathrow?
Depending on when you travel and how far in advance you book, fares between Ontario and London can differ a lot.
Choose a date to explore the best fares now.
If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.
Best airport options between Ontario and London
If you're open to flying into or out of more than one airport, you’ll have more routes to compare.
- Airports in Ontario: Ontario is the only operating airport.
- Airports in London: In London, 6 airports are available - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.
Explore flights from Ontario to London Heathrow your way
On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.
Other popular destinations
Also interested in United Kingdom? Check out: Edinburgh, Glasgow, London, Manchester, Newquay.
If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.
Frequently asked questions about flights from Ontario to London Heathrow.
How much does an airline ticket from Ontario to London Heathrow cost?
How far is Ontario from London?
What are the airports in London?
What are the airports in Ontario?
What are the most popular cities in United Kingdom?
When should I book a flight from Ontario to London?
What is the cheapest month to fly from Ontario to London?
What is the most expensive month to fly from Ontario to London?
What is the best day of the week to fly from Ontario to London?
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