Cheap flights from London Heathrow Airport to Seoul from $382

The month of November is another great option to travel to Seoul, with average flight prices from London Heathrow Airport averaging around $767.

According to our data, Friday is the cheapest day to fly to Seoul from London Heathrow Airport. The lowest ticket price found for a Friday departure recently was $1,120. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Thursday, with ticket prices averaging around $1,273.

Flying to Seoul from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,193 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,274 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 $963 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 $776 on momondo.

There are 4 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 36% on your flight if you consider stops on a London Heathrow Airport to Seoul flight.

As of September 2026, prices for London Heathrow Airport to Seoul flights are approximately 12% cheaper when compared to flights at the same time last year.

Asiana Airlines, Oman Air, and Air Astana are the most popular carriers operating from London Heathrow to Seoul

Lufthansa, Virgin Atlantic and Asiana Airlines are the top three most popular airlines that fly to Seoul from London Heathrow Airport according to our data. Lufthansa is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 4 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

Abu Dhabi (AUH) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via New Delhi (DEL) offer the lowest average round-trip price of $658.

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 15h 50m.

Abu Dhabi (AUH) has the shortest average layover time for this route: 1h 20m.

As of September 2026, 4 flights take off from London Heathrow Airport and land in Seoul each day. The most common flight departure time for this route is 1:00PM, with 63% of daily flights taking off in the afternoon.

33 flights are operational weekly from London Heathrow Airport to Seoul as of September 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.