Cheap flights from Ontario to London from £176

The cheapest month to fly to London Gatwick Airport from Region of Ontario is in February. Flight prices, which tend to average around £400, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in February, then you should wait until January to fly from Region of Ontario, when ticket prices are also cheap, with an average price of £408.

According to our data, Monday is the cheapest day to fly to London Gatwick Airport from Region of Ontario. The lowest ticket price found for a Monday departure recently was £512. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Region of Ontario to London Gatwick Airport on a Saturday will generally be more expensive and average around £611. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Fly from Ottawa to London Gatwick for the best Ontario - London Gatwick flight prices

You are more likely to see cheaper flights to London Gatwick Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around £495 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Region of Ontario for as low as £429 on momondo.

There are 2 cabin classes available to choose from on Region of Ontario to London Gatwick Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 81% on your flight if you consider stops on a Region of Ontario to London Gatwick Airport flight.

As of July 2026, 6 flights take off from Region of Ontario and land in London Gatwick Airport each day. The most common flight departure time for this route is 22:00, with 100% of daily flights taking off in the evening.

As of July 2026, 42 flights take off from Region of Ontario and land in London Gatwick Airport each week. The most common flight departure day for this route is Sat, with 19% of weekly flights taking off on this day.