$536+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Dec 6 — Dec 131
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Jeju City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to Jeju CityExplore 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 November 6, 2026.
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 November 6, 2026.
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Tue 12/1512:10 am -
2 stops25h 10m
Wed 12/237:50 am -
2 stops23h 20m
Deal found 11/1![Multiple Airlines logo]()
$1,744
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 12/1712:10 am -
2 stops25h 10m
Fri 12/257:55 am -
3 stops27h 27m
Deal found 11/3![Multiple Airlines logo]()
$2,197
Best flights from Seattle to Jeju CityDiscover carefully curated flight deals from Seattle to Jeju City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2026.
Discover carefully curated flight deals from Seattle to Jeju City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2026.
This Cathay Pacific deal was found by Cheapflights users on 11/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/810:25 am -
1 stop27h 15m
Fri 3/128:00 pm -
1 stop29h 45m
Deal found 11/5![Cathay Pacific logo]()
$946
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Tue 4/611:45 am -
1 stop26h 40m
Sun 4/187:30 am -
2 stops27h 45m
Deal found 11/3![Multiple Airlines logo]()
$1,355
This KAYAK deal was found by Cheapflights users on 11/3. 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.
Mon 3/2911:45 am -
1 stop26h 40m
Tue 4/137:30 am -
1 stop18h 35m
Deal found 11/3![Cathay Pacific logo]()
$992
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Tue 12/1512:10 am -
2 stops25h 10m
Wed 12/234:20 pm -
1 stop14h 50m
Deal found 11/1![Multiple Airlines logo]()
$2,079
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 12/1712:10 am -
2 stops25h 10m
Fri 12/257:55 am -
3 stops27h 27m
Deal found 11/3![Multiple Airlines logo]()
$2,197
Last-minute flights from Seattle to Jeju CityDiscover last-minute flight deals from Seattle to Jeju City. Data last updated November 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Jeju City. Data last updated November 6, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Tue 12/1512:10 am -
2 stops25h 10m
Wed 12/237:50 am -
2 stops23h 20m
Deal found 11/1![Multiple Airlines logo]()
$1,744
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 12/1712:10 am -
2 stops25h 10m
Fri 12/257:55 am -
3 stops27h 27m
Deal found 11/3![Multiple Airlines logo]()
$2,197
One-way flights from Seattle to Jeju CitySearch for one-way flight options from Seattle to Jeju City. Find affordable one-way fares based on user searches. Data last updated November 6, 2026.
Search for one-way flight options from Seattle to Jeju City. Find affordable one-way fares based on user searches. Data last updated November 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/310:25 am -
2 stops43h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$536
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 November 6, 2026.
Round-trip from | $992 (KAYAK) |
|---|---|
One-way from | $536 (Kiwi.com) |
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 7,457,451 searches. Data last updated November 6, 2026.
Use the filters below to find and compare flights from Seattle to Jeju City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleJeju City
SEA Seattle/Tacoma Intl - CJU Jeju City
SEACJU
Seattle/Tacoma Intl
Thu 12/3
10:25 am-10:30 pm
2 stops43h 05m
Jeju City
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$536
SeattleJeju City
SEA Seattle/Tacoma Intl - CJU Jeju City
SEACJU
Seattle/Tacoma Intl
Mon 3/8
10:25 am-6:40 am
1 stop27h 15m
Jeju City
Fri 3/12
8:00 pm-8:45 am
1 stop29h 45m
$946
SeattleJeju City
SEA Seattle/Tacoma Intl - CJU Jeju City
SEACJU
Seattle/Tacoma Intl
Mon 3/29
11:45 am-6:25 am
1 stop26h 40m
Jeju City
Tue 4/13
7:30 am-10:05 am
1 stop18h 35m
$992
SeattleJeju City
SEA Seattle/Tacoma Intl - CJU Jeju City
SEACJU
Seattle/Tacoma Intl
Tue 4/6
11:45 am-6:25 am
1 stop26h 40m
Jeju City
Sun 4/18
7:30 am-7:15 pm
2 stops27h 45m
$1,355
Quickest round-trip
SeattleJeju City
SEA Seattle/Tacoma Intl - CJU Jeju City
SEACJU
Seattle/Tacoma Intl
Tue 12/15
12:10 am-6:20 pm
2 stops25h 10m
Jeju City
Wed 12/23
4:20 pm-2:10 pm
1 stop14h 50m
$2,079
SeattleJeju City
SEA Seattle/Tacoma Intl - CJU Jeju City
SEACJU
Seattle/Tacoma Intl
Thu 12/17
12:10 am-6:20 pm
2 stops25h 10m
Jeju City
Fri 12/25
7:55 am-6:22 pm
3 stops27h 27m
$2,197
Sorted by cheapest first
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.
SEA-CJU
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
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