$646 Cheap flights to South Korea

South Korea is full of notable places to explore, many with significant historical value to the region and the world. Some of the most popular landmarks in South Korea are Gwangalli Beach, Haeundae Beach, Songdo Beach, and Jagalchi Market Observatory, among many more.

Flying into Busan Airport is typically the best way to visit Gwangalli Beach, since it is the closest airport to the area.

Of the 23 airlines that fly to South Korea, Jetstar, Asiana Airlines and Korean Air happen to be the most favoured based on our user data. Jetstar is the most popular among the three airlines, with 41% of users choosing them for their travels to South Korea.

The most popular airport in South Korea to fly to is Incheon Intl, based on our data. In the past 12 months, 63% of all momondo users who travelled to South Korea chose to fly into Incheon Intl airport, which is located in the city of Incheon.

The cheapest flight to South Korea recently found on momondo was $355. If you’re unable to find a flight deal this cheap, keep in mind that anything less than $1,982 is considered a good price for flights to South Korea. $2,809 is the average cost to fly to South Korea, while $12,916 is the most expensive.

The best day of the week to fly to South Korea is Tuesday due to prices being at their lowest. Flying out on a Sunday should be a backup plan since this day tends to be less expensive as well. Friday, on the other hand, is the most expensive day to fly to South Korea.

Prices for flights to South Korea are refreshed on a daily basis.

The number of operators available for flights to South Korea is 30 as of July 2026.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to South Korea.

The travel and health documents required for your trip to South Korea can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at South Korea. We always recommend checking with your airline or a trusted third party such as IATA to get advice.