$405+ Cheap flights from London (LON) to Ontario (ONT)

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from London to Ontario. 0 airlines have flights to Ontario from London on a regular basis. Booking flights from London to Ontario should not be difficult; the airport handles an average of 0 inbound flights from London per day.

Cheapflights users have booked flights from London to Ontario round-trip from $501. Other airlines that can offer you cheap pricing are United Airlines, from $505, and KLM, from $515. These flights start at 31% lower than the current average price 3 months from now.

For one-way options, check prices for Iberia. According to our data, you can fly for as low as $594. Users have also found prices from $602 and $607 on Lufthansa and Finnair, respectively.

Most travelers choose London Heathrow - Ontario, London Gatwick - Ontario or London City - Ontario when deciding on the best route from London to Ontario.

Yes. In addition to deals on London to Ontario 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 London to Ontario.

Yes. Cheapflights offers flight deals from London to Ontario 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, August is the cheapest month in which you can book a flight from London to Ontario (average of $246). Flying from London to Ontario in March is currently the most expensive (average of $315). 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.