Cheap flights from London Heathrow Airport to Seoul from €371

The cheapest month to fly to Seoul from London Heathrow Airport is in January. Flight prices, which tend to average around €622, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €671.

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 €862 when searching weeks before you fly. 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 €719 on momondo.

There are 2 cabin classes 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.

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Seoul.

As of October 2026, prices for London Heathrow Airport to Seoul flights are approximately 6% cheaper when compared to flights at the same time last year.

3 flights are operational daily from London Heathrow Airport to Seoul as of October 2026. The most popular departure time for this route is 13:00, with 66% of flights per day taking off in the afternoon.

The number of flights available between London Heathrow Airport and Seoul is 27 per week as of October 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.