Cheap flights from London Heathrow Airport to Seoul from C$ 531

The cheapest month to fly to Seoul from London Heathrow Airport is in January. Flight prices, which tend to average around C$ 872, are often lower during this time because this is during the off-season. If you’re not able to fly to Seoul in January, then November is your next best option. Flight prices from London Heathrow Airport to Seoul during November average around C$ 1,040.

The cheapest time of day to fly to Seoul is in the afternoon when flights can be purchased for as low as C$ 1,556. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around C$ 1,836 per ticket.

Fly from London Heathrow to Incheon Intl for the best London Heathrow - Seoul flight prices

You are more likely to see cheaper flights to Seoul from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around C$ 1,327 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from London Heathrow Airport for as low as C$ 1,073 on momondo.

There is only 1 cabin class available to choose from on London Heathrow Airport to Seoul 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 37% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.

The number of flights available between London Heathrow Airport and Seoul is 4 per day as of August 2026. The most frequent departure time is 1:00p.m., with 67% of daily flights leaving in the afternoon.

The number of flights available between London Heathrow Airport and Seoul is 33 per week as of August 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.