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Cheap flights from Washington to Jeju City from $527

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Jeju City departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington to Jeju City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:10 am - 6:10 pm
SEA
-
CJU
26h 00m
2 stops
Multiple Airlines Logo
3:55 pm - 3:45 pm
CJU
-
SEA
15h 50m
1 stop
$1,454Multiple Airlines
Sun, Jul 19 - Mon, Jul 27
Multiple Airlines Logo
10:45 am - 7:30 am
SEA
-
CJU
28h 45m
3 stops
Multiple Airlines Logo
7:50 pm - 2:22 pm
CJU
-
SEA
34h 32m
3 stops
$1,479Multiple Airlines
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
12:40 pm - 6:40 am
SEA
-
CJU
25h 00m
2 stops
Multiple Airlines Logo
12:05 pm - 3:05 pm
CJU
-
SEA
20h 00m
1 stop
$1,569Multiple Airlines
Sat, Dec 12 - Sat, Dec 19
Multiple Airlines Logo
2:10 am - 10:15 pm
SEA
-
CJU
28h 05m
2 stops
Multiple Airlines Logo
8:45 am - 7:50 pm
CJU
-
SEA
27h 05m
2 stops
$1,571Multiple Airlines
Tue, Aug 4 - Wed, Aug 12
Multiple Airlines Logo
12:10 am - 10:30 pm
SEA
-
CJU
30h 20m
2 stops
Multiple Airlines Logo
7:25 am - 3:45 pm
CJU
-
SEA
24h 20m
2 stops
$1,578Multiple Airlines
Sun, Jul 19 - Mon, Jul 27
Multiple Airlines Logo
1:10 am - 9:45 am
SEA
-
CJU
16h 35m
1 stop
Multiple Airlines Logo
10:30 am - 2:05 pm
CJU
-
SEA
43h 35m
2 stops
$1,587Multiple Airlines
Tue, Aug 4 - Wed, Aug 12
Multiple Airlines Logo
10:45 am - 7:30 am
SEA
-
CJU
28h 45m
3 stops
Multiple Airlines Logo
7:05 pm - 2:22 pm
CJU
-
SEA
35h 17m
3 stops
$1,608Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Cathay Pacific Logo
12:25 pm - 6:30 am
SEA
-
CJU
26h 05m
1 stop
Cathay Pacific Logo
7:30 am - 10:20 am
CJU
-
SEA
18h 50m
1 stop
$1,640Cathay Pacific
Tue, Aug 18 - Wed, Aug 26
Cathay Pacific Logo
12:25 pm - 6:30 am
SEA
-
CJU
26h 05m
1 stop
Cathay Pacific Logo
7:30 am - 10:20 am
CJU
-
SEA
18h 50m
1 stop
$1,655Cathay Pacific
Tue, Aug 18 - Wed, Aug 26
Cathay Pacific Logo
12:25 pm - 6:30 am
SEA
-
CJU
26h 05m
1 stop
Cathay Pacific Logo
7:30 am - 10:20 am
CJU
-
SEA
18h 50m
1 stop
$1,656Cathay Pacific
Tue, Aug 18 - Wed, Aug 26

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China Eastern flights from State of Washington to Jeju City

Our best China Eastern deals on State of Washington to Jeju City flight tickets
China Eastern
Aug 18
SEA7:16 amSeattle/Tacoma Intl
37h 14m
2 stops
CJU12:30 pmJeju City
Aug 26
CJU7:10 pmJeju City
37h 03m
2 stops
SEA4:13 pmSeattle/Tacoma Intl
$2,689
China Eastern
Aug 18
SEA10:40 pmSeattle/Tacoma Intl
45h 50m
2 stops
CJU12:30 pmJeju City
Aug 26
CJU1:40 pmJeju City
42h 33m
2 stops
SEA4:13 pmSeattle/Tacoma Intl
$2,799
China Eastern
Aug 18
SEA7:16 amSeattle/Tacoma Intl
37h 14m
2 stops
CJU12:30 pmJeju City
Aug 26
CJU1:40 pmJeju City
42h 33m
2 stops
SEA4:13 pmSeattle/Tacoma Intl
$2,834

Cathay Pacific flights from State of Washington to Jeju City

Our best Cathay Pacific deals on State of Washington to Jeju City flight tickets
Cathay Pacific
Aug 18
SEA12:25 pmSeattle/Tacoma Intl
26h 05m
1 stop
CJU6:30 amJeju City
Aug 26
CJU7:30 amJeju City
18h 50m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$1,640
Cathay Pacific
Aug 18
SEA12:25 pmSeattle/Tacoma Intl
26h 05m
1 stop
CJU6:30 amJeju City
Aug 26
CJU7:30 amJeju City
18h 50m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$1,655
Cathay Pacific
Aug 18
SEA12:25 pmSeattle/Tacoma Intl
26h 05m
1 stop
CJU6:30 amJeju City
Aug 26
CJU7:30 amJeju City
18h 50m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$1,656

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Washington to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 7/19

12:10 am-6:10 pm

2 stops26h 00m

Jeju City

Mon 7/27

3:55 pm-3:45 pm

1 stop15h 50m

$1,454

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 7/20

10:45 am-7:30 am

3 stops28h 45m

Jeju City

Mon 7/27

7:50 pm-2:22 pm

3 stops34h 32m

$1,479

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 12/12

12:40 pm-6:40 am

2 stops25h 00m

Jeju City

Sat 12/19

12:05 pm-3:05 pm

1 stop20h 00m

$1,569

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 8/4

2:10 am-10:15 pm

2 stops28h 05m

Jeju City

Wed 8/12

8:45 am-7:50 pm

2 stops27h 05m

$1,571

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 7/19

12:10 am-10:30 pm

2 stops30h 20m

Jeju City

Mon 7/27

7:25 am-3:45 pm

2 stops24h 20m

$1,578

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 8/4

1:10 am-9:45 am

1 stop16h 35m

Jeju City

Wed 8/12

10:30 am-2:05 pm

2 stops43h 35m

$1,587

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 8/5

10:45 am-7:30 am

3 stops28h 45m

Jeju City

Wed 8/12

7:05 pm-2:22 pm

3 stops35h 17m

$1,608

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 8/18

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Wed 8/26

7:30 am-10:20 am

1 stop18h 50m

$1,640

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 8/18

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Wed 8/26

7:30 am-10:20 am

1 stop18h 50m

$1,655

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 8/18

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Wed 8/26

7:30 am-10:20 am

1 stop18h 50m

$1,656

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Jeju City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington to Jeju City?

Korean Air and Cathay Pacific are the most popular carriers operating from Washington to Jeju City

Cheap State of Washington to Jeju City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Jeju City

Fastest flight time

25h 00m

Direct flights

None
The fastest flight from State of Washington to Jeju City takes 25h 00m
There are no direct flights from State of Washington to Jeju City. There are no popular flight routes from State of Washington to Jeju City.
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Frequently asked questions about flying from Washington to Jeju City

  • When did momondo last update prices for flights from Washington to Jeju City Airport?

    Prices for flights from Washington to Jeju City Airport refresh daily.

  • How old do you have to be to fly from Washington to Jeju City Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Jeju City Airport.

  • What documentation or ID do you need to fly to Jeju City Airport?

    The travel and health documents you'll need for your trip to Jeju City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Jeju City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
Seogwipo

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Jeju City?

Finding the right flight to Jeju City from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Jeju City quick and easy, saving you time and money.

Can I find flights from Washington to Jeju City with flexible booking policies on momondo?

momondo does allow users to show only those flights to Jeju City from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Jeju City?

momondo helps you find the best flight between Washington and Jeju City by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Jeju City right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Jeju City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cabin classes currently available on flights to Jeju City

List of cabin classes available on flights landing in Jeju City. Availability may vary depending on flight origin and airline.
First Class to Jeju City
Business Class to Jeju City