Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Ulsan, across the zero airlines that offer this route.
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.
You can view all flight times yourself in the results list.
If you need somewhere to stay for your trip to South Korea, take a look at our accommodation options.