SEA - CJU

$529 Find Cheap Flights from Seattle to Jeju City - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,038
Typical prices: $1,011-$1,612
Cathay Pacific
Mon 10/29Mon 11/5
SEA - CJU • 1 stop
Cheapest one-way
$529
Typical prices: $438-$501
Multiple Airlines
Sun 9/30
SEA - CJU • 2 stops
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Flight Deals

Cheap Flights from Seattle to Jeju City (SEA-CJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Jeju City

Thu, Oct 29 - Thu, Nov 5
Cathay Pacific Logo
11:25 am - 6:40 amSEA  Seattle/Tacoma Intl-CJU Jeju City
27h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
7:45 am - 8:45 amCJU  Jeju City-SEA Seattle/Tacoma Intl
18h 00m1 stop Hong Kong Intl
$1,038Cathay Pacific
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
6:39 am - 12:50 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
38h 11m2 stops San Francisco Shanghai Pu Dong
Multiple Airlines Logo
1:50 pm - 3:04 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
42h 14m2 stops Shanghai Pu Dong Los Angeles
$1,092Multiple Airlines
Wed, Oct 28 - Thu, Nov 5
Multiple Airlines Logo
1:10 am - 9:55 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
28h 45m2 stops Taipei City Taiwan Taoyuan Intl Incheon Intl
Multiple Airlines Logo
10:50 am - 5:30 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
23h 40m1 stop Taipei City Taiwan Taoyuan Intl
$1,248Multiple Airlines
Wed, Oct 28 - Thu, Nov 5
Multiple Airlines Logo
1:10 am - 7:55 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 45m2 stops Taipei City Taiwan Taoyuan Intl Seoul Gimpo Intl
Multiple Airlines Logo
7:55 am - 6:22 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
27h 27m3 stops Nanjing Lukou Intl Beijing Capital Vancouver Intl
$1,338Multiple Airlines
Sun, Jan 17 - Thu, Jan 21
Singapore Airlines Logo
8:40 am - 7:20 amSEA  Seattle/Tacoma Intl-CJU Jeju City
29h 40m1 stop Singapore Changi
Singapore Airlines Logo
8:55 am - 7:05 amCJU  Jeju City-SEA Seattle/Tacoma Intl
39h 10m1 stop Singapore Changi
$1,509Singapore Airlines
Wed, Dec 16 - Fri, Jan 1
Multiple Airlines Logo
10:10 am - 1:40 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
34h 30m3 stops Vancouver Intl Beijing Capital Shenzhen
Multiple Airlines Logo
6:45 am - 9:57 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
32h 12m3 stops Seoul Gimpo Intl Beijing Capital Vancouver Intl
$2,490Multiple Airlines
Wed, Dec 16 - Fri, Jan 1
Multiple Airlines Logo
10:25 am - 11:10 amSEA  Seattle/Tacoma Intl-CJU Jeju City
31h 45m2 stops Hong Kong Intl Nanjing Lukou Intl
Multiple Airlines Logo
4:20 pm - 1:55 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
14h 35m1 stop Incheon Intl
$2,547Multiple Airlines
Booking Insights

Price, demand and travel trends for Seattle to Jeju City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Jeju City with more confidence.

How much is a round-trip flight from Seattle to Jeju City?

Round-trip flights from Seattle to Jeju City start at $1,038. Prices are typical for this route right now, with typical round-trip fares ranging from $1,011 to $1,612. The lowest price found in the past 5 days was $1,038 on Cathay Pacific.

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Key details for Seattle to Jeju City flights

Cheapest flight

$529
Flight from Seattle to Jeju City

When to book flights from Seattle to Jeju City

Are your dates flexible? Find out the best times to travel from Seattle to Jeju City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Jeju City flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Jeju City?

    Flights from Seattle to Jeju City usually depart from Seattle/Tacoma Intl (SEA) and arrive at Jeju City (CJU).

  • What cabin classes can I book on flights from Seattle to Jeju City?

    Only Economy Class is available on flights from Seattle to Jeju City.

  • Can I save money by using flexible dates for flights from Seattle to Jeju City?

    On the Seattle to Jeju City route, being flexible with your departure day can save you up to 38%. Sunday is the cheapest day at $1,011 round-trip on average, while Saturday is the most expensive at $1,612: a $601 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Do I need a passport to fly from Seattle to Jeju City?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Jeju City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,038 to $3,086. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Seattle to Jeju City looking right now?

    One-way fares from Seattle to Jeju City are currently higher than usual. Average one-way flight prices are about $599, which is 25% above the typical average for this route.

  • What is the time difference between Seattle and Jeju City?

    Jeju City is 16 hours ahead of Seattle (Korean Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Jeju City Airport (CJU)?

    Jeju City Airport (CJU) hosts 5 major car rental companies, with daily rates starting from around $5 for economy cars. Top options include:
    • Rainbow rental
    • The Safe Rent A Car
    • Yesaway
    • Jeju One Car
    • Bella Jeju

  • How much should I expect to pay for a Seattle to Jeju City flight?

    Round-trip flights from Seattle to Jeju City range from $1,011 to $1,612, with an average of $1,026 over the past 12 months. Anything below $1,011 counts as a good deal.

Your guide to booking Seattle to Jeju City flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Saturday. On this route, Sunday flights average $1,011 - about $601 less than Saturday (37% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Jeju City Airport.
    - Hotel Leo
    - Maison Glad Jeju
    - Staz Hotel Heritage

More options for your flight from Seattle to Jeju City

Complete your trip to Jeju City with a hotel stay or car rental

Car rentals in Jeju City
Hotels in Jeju City