$700 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 Haeundae Beach, Goyang Stadium, Gwangalli Beach, and Dongdaemun Market, among many more.

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

Delta, Korean Air and Asiana Airlines are the top three most popular airlines that fly to South Korea according to our data. Delta is the first choice among our users, with 31% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 22 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

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 travelers booking flights to South Korea chose to fly into Incheon Intl.

The cost to fly to South Korea varies based on a variety of factors, but you can expect to find prices as low as $357 or as high as $27,584. Based on recent airfare data, we’ve found that a ticket to South Korea for $2,162 or less is a good deal, whereas $2,462 is the average cost.

Sunday is the best day of the week to fly to South Korea based on flight prices. Tuesday is another affordable option. If you are looking to save money on flights to South Korea, then try to avoid flying out on a Friday since this is when prices are at their highest.

Prices for flights to South Korea refresh daily.

As of May 2026, there are 78 operators available to choose from for flights to South Korea.

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 layovers. It is recommended that you verify 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.