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Jeju City

$643+ Cheap flights from Seattle (SEA) to Jeju City (CJU)

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 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 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 City
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One-way flight from Seattle/Tacoma Intl to Jeju City
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Find 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 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 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 April 30, 2025.
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

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

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Jeju City flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Reviews of airlines servicing Jeju City

Get insights into the airlines that provide service to Jeju City. 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 City. 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 City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

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