Cheap flights from Washington to Jeju City from $525

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

China Eastern Logo
7:10 am - 12:30 pmSEA-CJU
37h 20m2 stops
China Eastern Logo
1:40 pm - 4:59 pmCJU-SEA
43h 19m2 stops
$914China Eastern
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Wed, Sep 10 - Wed, Sep 17
Korean Air Logo
12:50 pm - 8:40 amSEA-CJU
27h 50m1 stop
Korean Air Logo
10:50 am - 10:40 amCJU-SEA
15h 50m1 stop
$1,020Korean Air
Find Deal
Wed, Sep 10 - Wed, Sep 17
 Logo
10:15 am - 12:30 pmSEA-CJU
34h 15m2 stops
 Logo
7:55 am - 4:10 pmCJU-SEA
24h 15m2 stops
$1,154
Find Deal
Fri, Sep 19 - Fri, Sep 26
 Logo
1:30 pm - 5:10 pmSEA-CJU
35h 40m3 stops
 Logo
7:55 am - 4:10 pmCJU-SEA
24h 15m2 stops
$1,160
Find Deal
Fri, Sep 19 - Fri, Sep 26
 Logo
1:30 pm - 5:10 pmSEA-CJU
35h 40m3 stops
 Logo
9:25 pm - 7:20 pmCJU-SEA
37h 55m3 stops
$1,172
Find Deal
Fri, Sep 19 - Fri, Sep 26
 Logo
12:30 am - 9:45 amSEA-CJU
17h 15m1 stop
 Logo
11:45 am - 11:42 pmCJU-SEA
27h 57m2 stops
$1,186
Find Deal
Tue, Sep 9 - Wed, Sep 17
 Logo
1:30 am - 4:00 pmSEA-CJU
22h 30m2 stops
 Logo
1:40 pm - 9:00 amCJU-SEA
35h 20m2 stops
$1,208
Find Deal
Tue, Sep 9 - Wed, Sep 17
Singapore Airlines Logo
10:15 am - 7:15 amSEA-CJU
29h 00m1 stop
Singapore Airlines Logo
8:35 am - 8:45 amCJU-SEA
40h 10m1 stop
$1,255Singapore Airlines
Find Deal
Fri, Sep 19 - Fri, Sep 26
Singapore Airlines Logo
10:15 am - 7:15 amSEA-CJU
29h 00m1 stop
Singapore Airlines Logo
8:35 am - 8:45 amCJU-SEA
40h 10m1 stop
$1,272Singapore Airlines
Find Deal
Fri, Sep 19 - Fri, Sep 26
Asiana Airlines Logo
5:35 pm - 1:50 pmSEA-CJU
28h 15m2 stops
Asiana Airlines Logo
8:55 pm - 12:30 pmCJU-SEA
31h 35m1 stop
$1,277Asiana Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17

Singapore Airlines flights from State of Washington to Jeju City

Our best Singapore Airlines deals on State of Washington to Jeju City flight tickets
Singapore Airlines
Sep 19
SEA10:15 amSeattle/Tacoma Intl
29h 00m
1 stop
CJU7:15 amJeju City
Sep 26
CJU8:35 amJeju City
40h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Sep 19
SEA10:15 amSeattle/Tacoma Intl
29h 00m
1 stop
CJU7:15 amJeju City
Sep 26
CJU8:35 amJeju City
40h 10m
1 stop
SEA8:45 amSeattle/Tacoma Intl

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 August 7, 2025.
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

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 9/10

7:10 am-12:30 pm

2 stops37h 20m

Jeju City

Wed 9/17

1:40 pm-4:59 pm

2 stops43h 19m

$914

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 9/10

12:50 pm-8:40 am

1 stop27h 50m

Jeju City

Wed 9/17

10:50 am-10:40 am

1 stop15h 50m

$1,020

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/19

10:15 am-12:30 pm

2 stops34h 15m

Jeju City

Fri 9/26

7:55 am-4:10 pm

2 stops24h 15m

$1,154

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/19

1:30 pm-5:10 pm

3 stops35h 40m

Jeju City

Fri 9/26

7:55 am-4:10 pm

2 stops24h 15m

$1,160

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/19

1:30 pm-5:10 pm

3 stops35h 40m

Jeju City

Fri 9/26

9:25 pm-7:20 pm

3 stops37h 55m

$1,172

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/9

12:30 am-9:45 am

1 stop17h 15m

Jeju City

Wed 9/17

11:45 am-11:42 pm

2 stops27h 57m

$1,186

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/9

1:30 am-4:00 pm

2 stops22h 30m

Jeju City

Wed 9/17

1:40 pm-9:00 am

2 stops35h 20m

$1,208

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/19

10:15 am-7:15 am

1 stop29h 00m

Jeju City

Fri 9/26

8:35 am-8:45 am

1 stop40h 10m

$1,255

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 9/19

10:15 am-7:15 am

1 stop29h 00m

Jeju City

Fri 9/26

8:35 am-8:45 am

1 stop40h 10m

$1,272

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 9/10

5:35 pm-1:50 pm

2 stops28h 15m

Jeju City

Wed 9/17

8:55 pm-12:30 pm

1 stop31h 35m

$1,277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 is the most popular carrier 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

Best Price Found

$525

Fastest flight time

16h 30m

Direct flights

None

Airports in Jeju City

1 airport
The best one-way flight to Jeju City from State of Washington in the past 72 hours is $525. The best round-trip flight deal from State of Washington to Jeju City found on momondo in the last 72 hours is $914.
The fastest flight from State of Washington to Jeju City takes 16h 30m
There are no direct flights from State of Washington to Jeju City. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Jeju City Airport.
There is 1 airport near Jeju City: Jeju City (CJU)
  • 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
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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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1 adult
Tue 8/12
Tue 8/19

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