Flights tailored to your budget
- Flights from London to Ontario
What’s the cost of a flight from London Heathrow to Ontario?
Prices vary based on date, airline, and availability. Compare several options if you're flying between London and Ontario.
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.
Which airports near London or Ontario offer flights?
In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.
- Airports in London: 6 airports are active - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
- Airports in Ontario: Ontario is the only airport in use at the moment.
Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.
Plan your journey from London Heathrow to Ontario with ease
Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.
Other popular destinations
Exploring options in United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.
Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently asked questions about flights from London Heathrow to Ontario.
How much does an airline ticket from London Heathrow to Ontario cost?
How far is London from Ontario?
What are the airports in Ontario?
What are the airports in London?
What are the most popular cities in United States?
When should I book a flight from London to Ontario?
What is the cheapest month to fly from London to Ontario?
What is the most expensive month to fly from London to Ontario?
What is the best day of the week to fly from London to Ontario?
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