$1,183+ Cheap flights from Washington 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CJU
Jun 21 — Jun 281
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 Washington to Jeju-do
Keep the following information in mind while searching for Washington to Jeju-do flight deals. Data was last updated June 16, 2025.
Round-trip from | $1,183 (Mytrip) |
|---|
Find flight deals from Washington to Jeju-do
Cheapest flights from Washington to Jeju-doExplore the most affordable flight options available from Washington to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.
Explore the most affordable flight options available from Washington to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Mon 7/1410:00 amSEA - CJU
3 stops29h 35mMultiple Airlines
Mon 7/219:05 pmCJU - SEA
3 stops33h 11mMultiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,183
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Mon 7/147:20 amSEA - CJU
2 stops37h 10mChina Eastern
Mon 7/211:40 pmCJU - SEA
2 stops43h 11mChina Eastern
Deal found 6/14![China Eastern logo]()
$1,370
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 June 16, 2025.
Use the filters below to find and compare flights from Washington to Jeju-do that are best for you.
Fly from
Washington
Fly to
Jeju-do
Route
Depart
Return
Price
SeattleJeju City
SEA - CJU
SEACJU
Seattle/Tacoma Intl
Mon 7/14
10:00 am-7:35 am
3 stops29h 35m
Jeju City
Mon 7/21
9:05 pm-2:16 pm
3 stops33h 11m
$1,183
SeattleJeju City
SEA - CJU
SEACJU
Seattle/Tacoma Intl
Mon 7/14
7:20 am-12:30 pm
2 stops37h 10m
Jeju City
Mon 7/21
1:40 pm-4:51 pm
2 stops43h 11m
$1,370
Best time to book a flight from Washington to Jeju-do
Have a flexible travel schedule? Discover the best time to fly to Jeju-do from Washington 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 Washington 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 June 16, 2025.
Comfort
7.2
Food
6.9
Crew
7.9
Entertainment
6.1
Overall
7.2
Boarding
7.7
Reviews
1 / 4
2.0
MediocreJordan,Jun 2025
PHX - LAX
Comfort
7.2
Food
6.9
Crew
7.9
Entertainment
6.1
Overall
7.2
Boarding
7.7
Reviews
1 / 4
2.0
MediocreJordan,Jun 2025
PHX - LAX