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Jeju-do

$643+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap 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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,088
(Kiwi.com)

One-way from

$776
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Jeju City flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Jeju City flights.
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From Seattle/Tacoma Intl to Jeju-do
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One-way flight from Seattle/Tacoma Intl to Jeju-do
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Find 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 April 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/218:08 amSEA - CJU
2 stops31h 07mMultiple Airlines
Wed 5/2812:30 pmCJU - SEA
1 stop16h 00mMultiple Airlines
Deal found 4/29$1,088
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Wed 5/217:20 amSEA - CJU
2 stops39h 40mChina Eastern
Wed 5/281:40 pmCJU - SEA
2 stops42h 28mChina Eastern
Deal found 4/29$1,369
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/212:15 pmSEA - CJU
1 stop25h 10mAsiana Airlines
Wed 5/2812:10 pmCJU - SEA
1 stop16h 20mAsiana Airlines
Deal found 4/29$1,422
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1310:15 amSEA - CJU
1 stop29h 00mSingapore Airlines
Fri 6/208:35 amCJU - SEA
1 stop40h 10mSingapore Airlines
Deal found 4/29$2,959

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 April 30, 2025.
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

Wed 5/21

8:08 am-7:15 am

2 stops31h 07m

Jeju City

Wed 5/28

12:30 pm-12:30 pm

1 stop16h 00m

$1,088

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 5/21

7:20 am-3:00 pm

2 stops39h 40m

Jeju City

Wed 5/28

1:40 pm-4:08 pm

2 stops42h 28m

$1,369

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 5/21

2:15 pm-7:25 am

1 stop25h 10m

Jeju City

Wed 5/28

12:10 pm-12:30 pm

1 stop16h 20m

$1,422

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 6/13

10:15 am-7:15 am

1 stop29h 00m

Jeju City

Fri 6/20

8:35 am-8:45 am

1 stop40h 10m

$2,959

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 5/15

7:00 am-8:00 pm

3 stops45h 00m

$643

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 6/13

10:15 am-7:15 am

1 stop29h 00m

$2,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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.

Reviews of airlines servicing Jeju-do

Get insights into the airlines that provide service to Jeju-do. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Jeju-do. Reviews last updated April 30, 2025.
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
442 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Singapore Airlines
8.1
Very good
1,292 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
China Eastern
7.1
Good
148 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Overall

8.2

Comfort

8.0

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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.

  • 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.

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