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Jeju City

$989+ Cheap flights from Washington 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Washington to Jeju City

Cheapest flights from Washington to Jeju City
Explore the most affordable flight options available from Washington to Jeju City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This KAYAK deal was found by Cheapflights users on 2/8. 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.
Mon 9/1412:25 pm
SEA
-
CJU
1 stop25h 55m
Cathay Pacific
Tue 9/227:30 am
CJU
-
SEA
1 stop18h 35m
Cathay Pacific
Deal found 2/8$989
This Cathay Pacific deal was found by Cheapflights users on 2/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:25 pm
SEA
-
CJU
1 stop25h 55m
Cathay Pacific
Mon 9/217:30 am
CJU
-
SEA
1 stop18h 35m
Cathay Pacific
Deal found 2/8$997
This Cathay Pacific deal was found by Cheapflights users on 2/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:25 pm
SEA
-
CJU
1 stop25h 55m
Cathay Pacific
Tue 9/227:30 am
CJU
-
SEA
1 stop18h 35m
Cathay Pacific
Deal found 2/8$1,047
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/31:10 am
SEA
-
CJU
1 stop24h 20m
Multiple Airlines
Sun 5/107:30 am
CJU
-
SEA
2 stops23h 25m
Multiple Airlines
Deal found 2/9$1,110
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Wed 9/1611:45 am
SEA
-
CJU
1 stop26h 35m
Multiple Airlines
Thu 9/247:30 am
CJU
-
SEA
1 stop18h 35m
Multiple Airlines
Deal found 2/8$1,172
This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:05 am
SEA
-
CJU
2 stops42h 20m
Multiple Airlines
Thu 4/27:25 am
CJU
-
SEA
2 stops28h 05m
Multiple Airlines
Deal found 2/9$1,183
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 9/1212:25 pm
SEA
-
CJU
1 stop25h 55m
Multiple Airlines
Thu 9/247:30 am
CJU
-
SEA
1 stop18h 35m
Multiple Airlines
Deal found 2/8$1,212
This BusinessClass deal was found by Cheapflights users on 2/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:25 pm
SEA
-
CJU
1 stop25h 55m
Cathay Pacific
Wed 9/237:30 am
CJU
-
SEA
1 stop18h 35m
Cathay Pacific
Deal found 2/8$1,226
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Wed 9/1611:45 am
SEA
-
CJU
1 stop26h 35m
Multiple Airlines
Sat 9/267:30 am
CJU
-
SEA
1 stop18h 35m
Multiple Airlines
Deal found 2/8$1,231
This China Eastern deal was found by Cheapflights users on 2/9. 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.
Thu 3/267:25 am
SEA
-
CJU
2 stops37h 25m
China Eastern
Thu 4/21:40 pm
CJU
-
SEA
2 stops44h 43m
China Eastern
Deal found 2/9$1,251

Find flight deals from Washington to Jeju City

Keep the following information in mind while searching for Washington to Jeju City flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,110
(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 Washington to Jeju City
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 February 11, 2026.
Use the filters below to find and compare flights from Washington to Jeju City that are best for you.

Fly from

Washington

Fly to

Jeju City

Route

Depart

Return

Price

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 5/3

1:10 am-5:30 pm

1 stop24h 20m

Jeju City

Sun 5/10

7:30 am-2:55 pm

2 stops23h 25m

$1,110

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 3/26

11:05 am-9:25 pm

2 stops42h 20m

Jeju City

Thu 4/2

7:25 am-7:30 pm

2 stops28h 05m

$1,183

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 3/26

7:25 am-12:50 pm

2 stops37h 25m

Jeju City

Thu 4/2

1:40 pm-6:23 pm

2 stops44h 43m

$1,251

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 3/24

1:10 am-10:20 pm

2 stops29h 10m

Jeju City

Wed 4/1

7:25 am-7:30 pm

2 stops28h 05m

$1,389

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 5/1

12:50 pm-9:45 pm

1 stop16h 55m

Jeju City

Tue 5/5

11:30 am-1:11 pm

1 stop17h 41m

$1,695

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Best time to book a flight from Washington to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City from Washington 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 Washington to Jeju City
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 Washington to Jeju City. 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 into for flights to Jeju City from Washington?

    If you book a flight to Jeju City from Washington, you will be flying to Jeju, which is the city’s only airport. Jeju City (CJU) is located 1.7 mi from the center of Jeju City.

  • How long is the flight from State of Washington to Jeju City?

    Departing from State of Washington to Jeju City will take you 37h 25m. State of Washington and Jeju City are separated by a distance of 5406 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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
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