Cheap flights from London Heathrow Airport to Seoul from $793

If you don’t want to visit Seoul in January, then you should wait until November to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $1,101.

The cheapest day to depart from London Heathrow Airport to Seoul is on a Sunday when prices can be found for as low as $1,526. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Seoul for around $2,585.

Our data shows that the cheapest London Heathrow Airport to Seoul flights are usually those with departure times in the afternoon. Our users have found flights to Seoul in the afternoon for as low as $1,619. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $2,242 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 $1,389 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 $1,159 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.

You could potentially save up to 24% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.

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.

The number of flights available between London Heathrow Airport and Seoul is 3 per day as of October 2026. The most frequent departure time is 13:00, with 67% of daily flights leaving in the afternoon.

As of October 2026, 25 flights take off from London Heathrow Airport and land in Seoul each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.