£389 – Return flights to Seoul from London Heathrow

Sample soju and kimchi from night markets, try to make sense of a city that's far more technologically advanced than most and hike trails in a national park that blends into the cityscape. Alitalia has released promotional fares to Seoul, via Rome, and you can now fly there between April and June, 2018, from London Heathrow for £389, return. This is up to 38% less than prices we found with other carriers.