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Jeju City

$908+ Cheap flights from Seattle (SEA) to Jeju City (CJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Jeju City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Jeju City (CJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$908
(FlightHub)
From Seattle/Tacoma Intl to Jeju City
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Find flight deals from Seattle to Jeju City

Cheapest flights from Seattle to Jeju City
Explore the most affordable flight options available from Seattle to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:10 amSEA - CJU
2 stops42h 45mChina Eastern
Fri 10/311:50 pmCJU - SEA
2 stops42h 20mChina Eastern
Deal found 9/11$908
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:00 amSEA - CJU
2 stops41h 35mMultiple Airlines
Thu 10/168:40 amCJU - SEA
1 stop19h 50mMultiple Airlines
Deal found 9/10$1,074
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:45 amSEA - CJU
1 stop24h 40mMultiple Airlines
Fri 10/3112:05 pmCJU - SEA
1 stop20h 00mMultiple Airlines
Deal found 9/11$1,163
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:10 amSEA - CJU
2 stops37h 20mChina Eastern
Thu 10/161:40 pmCJU - SEA
2 stops43h 14mChina Eastern
Deal found 9/10$1,172

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Jeju City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Seattle to Jeju City that are best for you.

Fly from

Seattle

Fly to

Jeju City

Route

Depart

Return

Price

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 10/28

7:10 am-5:55 pm

2 stops42h 45m

Jeju City

Fri 10/31

1:50 pm-4:10 pm

2 stops42h 20m

$908

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 10/9

11:00 am-8:35 pm

2 stops41h 35m

Jeju City

Thu 10/16

8:40 am-12:30 pm

1 stop19h 50m

$1,074

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 10/27

12:45 am-5:25 pm

1 stop24h 40m

Jeju City

Fri 10/31

12:05 pm-4:05 pm

1 stop20h 00m

$1,163

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 10/9

7:10 am-12:30 pm

2 stops37h 20m

Jeju City

Thu 10/16

1:40 pm-4:54 pm

2 stops43h 14m

$1,172

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 3/8

9:45 am-7:20 am

1 stop29h 35m

Jeju City

Thu 3/12

7:55 pm-8:10 am

1 stop28h 15m

$1,481

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Seattle to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Jeju City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Jeju City?

    Departing from Seattle to Jeju City will take you 42h 45m. There are 5406 mi between Seattle and Jeju City.

  • Can I find deals for flights from Seattle to Jeju City that include hotel bookings?

    Yes. In addition to deals on Seattle to Jeju City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Jeju City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Jeju City.

  • Can I find deals for business class flights from Seattle to Jeju City?

    Yes. Cheapflights offers flight deals from Seattle to Jeju City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
Seogwipo

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