$258+ Cheap flights from Ontario (ONT) to London (LON)

Most people fly from Ontario (ONT) if they book a flight from Ontario to London. On average, Ontario has 0 outbound flights to London per day from 7 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Delta, British Airways, and Iberia can get you from Ontario to London in just under 12h 13m. Your travel time can differ by up to 7h 37m. Airlines will cover a distance of 5407 mi. This flight may include one or multiple stops.

Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at $469. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at $570 and $580, respectively. You may be able to fly from Ontario to London for 39% less than the average price by searching for these airlines.

The most popular flight routes from Ontario to London are Ontario - London Heathrow, Ontario - London Gatwick and Ontario - London City.

Yes. In addition to deals on Ontario to London flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to London.

Yes. Cheapflights offers flight deals from Ontario to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, October is the cheapest month in which you can book a flight from Ontario to London (average of $222). Flying from Ontario to London in January is currently the most expensive (average of $565). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.