Cheap Flights to South Korea from $339

Plan your trip for September if you want to land a good price on your fare. It's the cheapest month to fly to South Korea. If possible, avoid traveling during peak periods such as school vacation time or public holidays.

There are 13 US destinations you're able to fly to South Korea nonstop from. Compare the options by using the "Direct flights only" box on Expedia and pick the ideal departure point for your trip. Here are a few of the leading cities to leave from:

• Los Angeles
• San Francisco
• New York
• Seattle
• Atlanta

Book in advance to maximize your chances of getting cheap flights to South Korea. Also, consider traveling during off-peak months like December and January. If you jet off on a Thursday, you'll save an average of 16% compared to those departing on a Sunday.* Save time checking every day and create a price alert on the Expedia app. We'll let you know when fares drop.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can find awesome deals on last-minute departures to South Korea, especially if your travel arrangements aren't set in stone. Consider leaving from a different hub, changing your trip dates or choosing an alternative airline to get a cheap flight to South Korea.

To snap up some of the biggest savings on domestic journeys, book your flight to South Korea 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This increases your chances of locking in your preferred departure dates, times and seats.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are typically the best day to book a cheap flight to South Korea, with savings of about 8% on average compared to Fridays. If you choose to purchase on a Friday, expect to spend more as this is typically the most expensive day.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Pack your bags, find your passport and choose from these top airlines that operate flights to South Korea:

• Korean Air - 403 flights to South Korea each month, including 403 flights to Incheon Intl. Airport (ICN) per month.
• Asiana Airlines - 195 flights to South Korea each month, including 195 flights to Incheon Intl. Airport (ICN) per month.
• Delta Air Lines - 139 flights to South Korea each month, including 139 flights to Incheon Intl. Airport (ICN) per month.

Bundle your flight and hotel and you could save hundreds of dollars. Better still, you can add extras like activities and car rentals to your South Korea flight and hotel package deal. With Expedia, it's easy to look after all your South Korea travel plans in one place.

It's often possible to change or cancel your flight to South Korea. Many airlines let you cancel your ticket for free within 24 hours of booking. However, some flights are non-refundable, and airlines may issue you a credit toward future travel instead of a direct refund. To reserve cheap flights to South Korea with flexible change policies, check the "No cancel fee" or "Changes included" filters when you search. Want more details? Head to our Customer Service Portal.