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Jeju City

$928+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/15. 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 12/168:45 amSEA - CJU
1 stop53h 35mSingapore Airlines
Wed 12/248:55 amCJU - SEA
1 stop39h 15mSingapore Airlines
Deal found 12/15$2,789
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:10 amSEA - CJU
2 stops42h 25mMultiple Airlines
Wed 12/2410:25 pmCJU - SEA
2 stops36h 05mMultiple Airlines
Deal found 12/15$2,918

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$928
(Mytrip)
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 December 18, 2025.
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

Tue 3/3

8:45 am-6:55 pm

1 stop41h 10m

Jeju City

Wed 3/11

8:55 am-8:10 am

1 stop39h 15m

$949

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

11:50 am-6:20 am

1 stop26h 30m

Jeju City

Sat 4/18

7:55 am-10:10 am

1 stop18h 15m

$1,070

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 4/9

11:50 am-6:20 am

1 stop26h 30m

Jeju City

Sat 4/18

7:55 am-10:10 am

1 stop18h 15m

$1,088

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

11:50 am-6:20 am

1 stop26h 30m

Jeju City

Thu 4/16

7:55 am-10:10 am

1 stop18h 15m

$1,095

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Fri 4/17

10:30 am-4:10 pm

1 stop21h 40m

$1,116

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 4/10

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Wed 4/15

10:30 am-4:10 pm

1 stop21h 40m

$1,135

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 4/8

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Thu 4/16

10:40 am-4:10 pm

1 stop21h 30m

$1,154

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 4/7

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Wed 4/15

10:30 am-4:10 pm

1 stop21h 40m

$1,155

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 4/7

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Fri 4/17

10:30 am-4:10 pm

1 stop21h 40m

$1,163

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 4/8

11:50 am-6:20 am

1 stop26h 30m

Jeju City

Sat 4/18

7:55 am-10:10 am

1 stop18h 15m

$1,173

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 14 results
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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 26h 30m. State of Washington and Jeju City are separated by a distance of 5406 mi. This flight may include one or multiple stops.

  • 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?

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Seogwipo

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