Cheap Korean Air flights from Seattle to Jeju (SEA→CJU)

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Flight from Seattle to Jeju route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Jeju Intl.
Distance
8656 km

Frequently asked questions

How much is a Korean Air flight from Seattle - Tacoma Intl. Airport (SEA) to Jeju Intl. Airport (CJU)?
Finding cheap one-way Korean Air flights from SEA to CJU on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares for your next exciting getaway.**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.
What is the cheapest month to fly from SEA to CJU with Korean Air?
Korean Air flights to Jeju City tend to be more affordable in the quieter months of January and February. Whether you're in search of a round-trip or one-way ticket, you could land a better deal then.
Does Korean Air fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Jeju Intl. Airport (CJU)?
To see if there's a direct journey from SEA to CJU with Korean Air or other airlines, use our "Nonstop" filter when browsing for tickets.
What airports does Korean Air fly into in Jeju City?
Korean Air flights from Seattle - Tacoma Intl. Airport (SEA) to Jeju City come in to land at Jeju Intl. Airport (CJU). This is the main gateway to this destination.
What kind of luggage can I take on a Korean Air flight from Seattle - Tacoma Intl. Airport (SEA) to Jeju Intl. Airport (CJU)?
Korean Air lets passengers bring 2 checked-in bags weighing up to 23 kgs with dimensions not exceeding 157 centimetres on standard economy flights from SEA to CJU. Additionally, you can take 1 cabin bag with you in the cabin. This carry-on luggage must not exceed 53 centimetres x 38 centimetres x 18 centimetres and weigh no more than 18 kgs. Baggage policies can differ depending on your cabin class and fare type, so double-check your booking or Korean Air's website to avoid paying extra costs at the airport.
Can I change or cancel my Korean Air flight from Seattle - Tacoma Intl. Airport (SEA) to Jeju Intl. Airport (CJU)?
Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to make changes without extra charges, check the "Changes included" and "No cancel fee" filters when planning your next trip.
*Available to Expedia members.