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Jeju City

$993+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Priceline deal was found by Cheapflights users on 1/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:15 am
SEA
-
CJU
2 stops37h 35m
China Eastern
Sun 3/221:50 pm
CJU
-
SEA
2 stops44h 33m
China Eastern
Deal found 1/29$993
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 Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/1412:45 am
SEA
-
CJU
1 stop18h 05m
Multiple Airlines
Sun 3/227:30 am
CJU
-
SEA
2 stops23h 25m
Multiple Airlines
Deal found 1/29$1,251
This FlightHub deal was found by Cheapflights users on 1/29. 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 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 1/29$1,276
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

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$993
(Priceline)
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 City
Search Deals

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 January 29, 2026.
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

Sun 3/15

7:15 am-12:50 pm

2 stops37h 35m

Jeju City

Sun 3/22

1:50 pm-6:23 pm

2 stops44h 33m

$993

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

Sat 3/14

12:45 am-10:50 am

1 stop18h 05m

Jeju City

Sun 3/22

7:30 am-2:55 pm

2 stops23h 25m

$1,251

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

$1,276

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Compare providers for flights from Seattle to Jeju City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Jeju City in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Jeju City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Jeju City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Jeju City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Jeju City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Jeju City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 37h 35m. 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?

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Seogwipo

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