Cheap flights from London to Seoul

from as little as £435

28 nights in Seoul, departing London Heathrow on 15 / Sep / 2025 with China Southern Airlines (price found 44 hours ago)

Subject to availability, prices correct of the last 24 hours
Seoul

The London / Seoul route

All 8884 km of it

Cheap flight deals for this route

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Seoul flight facts

What you need to know

Alternative flights from the UK to Seoul

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Seoul

Today alone, Netflights has searched over 78,940 flights. 15 / Sep / 2025 is currently the lowest priced day of the year to fly the London/Seoul route. There are around 10,637 flights on any given week from the UK to Seoul and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Key facts about Seoul

How to get cheap flights from London to Seoul

Tips and advice from our flight experts

Weekly, there are 10,637 flights connecting Seoul to London. We've gone through them all to help you find the right flight for you. If you can't find what you're looking for, consider widening your search by looking at flights from a different airport.

The most popular airlines for this route are Emirates, Qatar Airways & KLM, while London Heathrow (LHR) is the most popular departure airport in the city. But when you fly is just as important as where you fly from. Search by month to find out when flights are at the priciest and their cheapest.

On average, the 8884 km flight to Seoul takes 18 hrs 5 mins. If you want a bargain, keep an eye out for flights with China Southern Airlines, as they often have good deals. Or you could broaden your search by looking at flights to other airports in South Korea to see if there are any cheaper options.

Today alone, we’ve scanned 78,940 flights worldwide to bring you the best flight deals in one place. Did you know you can also compare car hire and hotel prices in South Korea with Netflights? Take a look to get an idea of prices in Seoul.

Other popular destinations near Seoul

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