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Jeju-do

$985+ Cheap flights from Seattle (SEA) to Jeju-do

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$985
(Priceline)
From Seattle/Tacoma Intl to Jeju-do
Search Deals

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 July 29, 2025.

This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:10 amSEA - CJU
2 stops39h 50mChina Eastern
Wed 9/171:40 pmCJU - SEA
2 stops43h 19mChina Eastern
Deal found 7/26$985
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:30 amSEA - CJU
3 stops35h 50mMultiple Airlines
Fri 9/197:55 amCJU - SEA
3 stops26h 41mMultiple Airlines
Deal found 7/29$1,122
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:15 amSEA - CJU
1 stop29h 00mSingapore Airlines
Fri 9/198:35 amCJU - SEA
1 stop40h 10mSingapore Airlines
Deal found 7/29$1,391

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 July 29, 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 9/10

7:10 am-3:00 pm

2 stops39h 50m

Jeju City

Wed 9/17

1:40 pm-4:59 pm

2 stops43h 19m

$985

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/12

5:30 am-9:20 am

3 stops35h 50m

Jeju City

Fri 9/19

7:55 am-6:36 pm

3 stops26h 41m

$1,122

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/12

10:15 am-7:15 am

1 stop29h 00m

Jeju City

Fri 9/19

8:35 am-8:45 am

1 stop40h 10m

$1,391

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

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 July 29, 2025.
Get a feel of what it's like to fly with Singapore Airlines and China Eastern from Seattle to Jeju-do by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
China Eastern
7.2
Good
158 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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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