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Jeju-do

$483+ Cheap flights from Seattle (SEA) to Jeju-do

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Seattle to Jeju-do

Cheapest flights from Seattle to Jeju-do
Explore the most affordable flight options available from Seattle to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 4/1111:00 am
SEA
-
CJU
1 stop18h 05m
Multiple Airlines
Sun 4/197:30 am
CJU
-
SEA
2 stops28h 00m
Multiple Airlines
Deal found 1/28$1,094
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 4/1111:00 am
SEA
-
CJU
1 stop18h 05m
Multiple Airlines
Sat 4/187:30 am
CJU
-
SEA
2 stops27h 20m
Multiple Airlines
Deal found 1/28$1,120
This Justfly.com deal was found by Cheapflights users on 1/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:45 am
SEA
-
CJU
1 stop41h 10m
Singapore Airlines
Thu 2/267:55 pm
CJU
-
SEA
1 stop28h 15m
Singapore Airlines
Deal found 1/26$1,190
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sun 4/1211:10 pm
SEA
-
CJU
2 stops26h 20m
Multiple Airlines
Sat 4/1812:20 pm
CJU
-
SEA
1 stop22h 30m
Multiple Airlines
Deal found 1/28$1,336
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 4/111:15 am
SEA
-
CJU
1 stop24h 15m
Multiple Airlines
Sun 4/1912:20 pm
CJU
-
SEA
1 stop19h 50m
Multiple Airlines
Deal found 1/28$1,353
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:15 am
SEA
-
CJU
2 stops42h 55m
China Eastern
Sun 4/191:40 pm
CJU
-
SEA
2 stops44h 46m
China Eastern
Deal found 1/28$1,887
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:15 am
SEA
-
CJU
2 stops37h 15m
China Eastern
Sun 4/197:10 pm
CJU
-
SEA
2 stops39h 16m
China Eastern
Deal found 1/28$2,045
This China Eastern deal was found by Cheapflights users on 1/25. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:20 am
SEA
-
CJU
2 stops37h 10m
China Eastern
Thu 9/107:10 pm
CJU
-
SEA
2 stops37h 45m
China Eastern
Deal found 1/25$3,622

Find flight deals from Seattle to Jeju-do

Keep the following information in mind while searching for Seattle to Jeju-do flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,094
(Kiwi.com)

One-way from

$483
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Jeju City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Jeju City flights.
Search Deals
From Seattle/Tacoma Intl to Jeju-do
Search Deals
One-way flight from Seattle/Tacoma Intl to Jeju-do
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Jeju-do 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 January 28, 2026.
Use the filters below to find and compare flights from Seattle to Jeju-do that are best for you.

Fly from

Seattle

Fly to

Jeju-do

Route

Depart

Return

Price

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

11:00 am-9:05 pm

1 stop18h 05m

Jeju City

Sun 4/19

7:30 am-7:30 pm

2 stops28h 00m

$1,094

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

11:00 am-9:05 pm

1 stop18h 05m

Jeju City

Sat 4/18

7:30 am-6:50 pm

2 stops27h 20m

$1,120

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

1:30 am-5:30 pm

1 stop24h 00m

Jeju City

Sat 4/18

12:20 pm-6:50 pm

1 stop22h 30m

$1,187

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 2/19

8:45 am-6:55 pm

1 stop41h 10m

Jeju City

Thu 2/26

7:55 pm-7:10 am

1 stop28h 15m

$1,190

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Sun 4/19

12:20 pm-4:10 pm

1 stop19h 50m

$1,353

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

7:15 am-6:10 pm

2 stops42h 55m

Jeju City

Sun 4/19

1:40 pm-6:26 pm

2 stops44h 46m

$1,887

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 4/12

7:15 am-12:30 pm

2 stops37h 15m

Jeju City

Sun 4/19

7:10 pm-6:26 pm

2 stops39h 16m

$2,045

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 3/23

12:10 am-6:40 am

2 stops38h 30m

$483

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 3/25

10:30 pm-6:35 pm

3 stops52h 05m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Seattle to Jeju-do

Have a flexible travel schedule? Discover the best time to fly to Jeju-do 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Jeju-do
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Jeju-do?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Jeju-do. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Jeju-do?

    Airlines like Singapore Airlines fly from Seattle to Jeju-do in about 41h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Jeju-do is about 5406 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Jeju-do 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

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