Cheap Korean Air flights Raleigh (RDU) to Jeju (CJU)

You can discover affordable round-trip Korean Air flights from $1,254 from RDU to CJU by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

To discover cheap flights from RDU to CJU with Korean Air, begin your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Filter your results by "Morning" and "Early Morning" to see the earliest flights from RDU to CJU. Jetting off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

A 5-star airline rating and the chance to rack up points through Korean Airlines Skypass are the start of the reasons to depart from RDU to CJU with Korean Air. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.