What’s the cost of a flight from Ontario to London Heathrow?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ontario and London.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there multiple airports in Ontario and London?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Ontario: Only Ontario operates in this city.
• Airports in London: 6 airports are available in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Choose the right flight for your trip from Ontario to London Heathrow

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to United Kingdom? Many users also explore: Edinburgh, Glasgow, London, Manchester, Newquay.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.