We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Pusan. You can choose from one airlines. At the moment, 12 / Jan / 2026 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are three flights from London Heathrow to or via Pusan every week. Out of the one available airlines, the most popular ones are China Airlines. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
The distance between London Heathrow to Pusan is 9200 km. Normally, it takes about 20 hrs 45 mins to fly, and you can definitely expect the journey to be at least 20 hrs 45 mins. You can see the various flight times in the results.
Searching by month, for instance, will show you the best time of the week to fly.
