Cheap flights from London Heathrow Airport to Seoul from €333

The cheapest month to fly to Seoul from London Heathrow Airport is in November. Flight prices, which tend to average around €518, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around €526.

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 €808 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 €687 on momondo.

There is only 1 cabin class available to choose from on London Heathrow 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 March 2026, prices for London Heathrow Airport to Seoul flights are approximately 1% more expensive when compared to flights at the same time last year.

3 flights are operational daily from London Heathrow Airport to Seoul as of March 2026. The most popular departure time for this route is 18:00, with 100% of flights per day taking off in the evening.

The number of flights available between London Heathrow Airport and Seoul is 21 per week as of March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.