£399 Cheap flights to South Korea

While there are more than just a few landmarks in South Korea, most momondo users find Haeundae Beach, International Convention Center, Songdo Beach, and Biff Square to be the most interesting places to see in the country.

When visiting Haeundae Beach in Busan, the closest airport is Busan Airport.

Asiana Airlines is the most popular airline offering flights to South Korea, with 30% of our users opting to fly with them when travelling to South Korea. Other popular options include Lufthansa and Air China. There are a total of 17 different airlines flying to South Korea.

If you’re unsure where to fly to in South Korea, we recommend booking a flight that arrives at the popular Incheon Intl airport, which services Incheon and its surrounding areas. In the last 12 months, 62% of momondo travellers booking flights to South Korea chose to fly into Incheon Intl.

Flights to South Korea can be found for as cheap as £423 per ticket. However our users tend to find airfares to South Korea for around £1,151 on average. If you’re looking to find a good deal on your flight to South Korea, then you should consider booking if you find anything for £1,064 or less.

The best day to take a flight to South Korea is on Tuesday, followed by Wednesday. Tuesday and Wednesday tend to have the lowest flight prices to South Korea. If your travel dates are flexible, then try to avoid booking on a Saturday, which is known for being the most expensive day of the week to fly to South Korea.

Prices for flights to South Korea refresh daily.

There are 33 operators available for flights to South Korea as of March 2026.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to South Korea.

The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.