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Cheap flights from Washington to Jeju City from $532

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 9/5. 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.
Cathay Pacific Logo
12:25 pm - 6:30 amSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 05m1 stop Hong Kong Intl
Cathay Pacific Logo
7:30 am - 10:05 amCJU  Jeju City-SEA Seattle/Tacoma Intl
18h 35m1 stop Hong Kong Intl
$908Cathay Pacific
Thu, Sep 10 - Wed, Sep 16
Cathay Pacific Logo
10:50 am - 6:40 amSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 50m1 stop Hong Kong Intl
Cathay Pacific Logo
7:45 am - 9:10 amCJU  Jeju City-SEA Seattle/Tacoma Intl
18h 25m1 stop Hong Kong Intl
$1,033Cathay Pacific
Mon, Nov 9 - Sat, Nov 14
Multiple Airlines Logo
12:25 pm - 6:30 amSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 05m1 stop Hong Kong Intl
Multiple Airlines Logo
10:40 pm - 9:55 amCJU  Jeju City-SEA Seattle/Tacoma Intl
27h 15m2 stops Beijing Capital Chongqing Jiangbei Intl
$1,063Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
12:25 pm - 6:30 amSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 05m1 stop Hong Kong Intl
Multiple Airlines Logo
9:45 am - 9:55 amCJU  Jeju City-SEA Seattle/Tacoma Intl
40h 10m3 stops Busan Gimhae Hong Kong Intl Chongqing Jiangbei Intl
$1,091Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
1:15 am - 9:45 amSEA  Seattle/Tacoma Intl-CJU Jeju City
16h 30m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
8:30 pm - 4:10 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
35h 40m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,111Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
Multiple Airlines Logo
1:15 am - 5:30 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
24h 15m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:20 pm - 4:10 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
19h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,118Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
Multiple Airlines Logo
1:15 am - 10:15 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
29h 00m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae
Multiple Airlines Logo
9:05 pm - 4:10 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
35h 05m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,139Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
Multiple Airlines Logo
1:15 am - 9:45 amSEA  Seattle/Tacoma Intl-CJU Jeju City
16h 30m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
7:30 am - 4:10 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
24h 40m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl
$1,200Multiple Airlines
Fri, Sep 4 - Fri, Sep 11
Multiple Airlines Logo
12:25 pm - 6:30 amSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 05m1 stop Hong Kong Intl
Multiple Airlines Logo
4:00 pm - 9:00 amCJU  Jeju City-SEA Seattle/Tacoma Intl
33h 00m3 stops Shanghai Pu Dong Hangzhou Beijing Capital
$1,205Multiple Airlines
Sat, Sep 5 - Fri, Sep 11
Multiple Airlines Logo
12:10 am - 7:10 pmSEA  Seattle/Tacoma Intl-CJU Jeju City
26h 00m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl
Multiple Airlines Logo
7:45 am - 6:10 pmCJU  Jeju City-SEA Seattle/Tacoma Intl
27h 25m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl
$1,270Multiple Airlines
Sun, Nov 8 - Sat, Nov 14

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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
Sep 10
SEA12:25 pmSeattle/Tacoma Intl
26h 05m
1 stop
CJU6:30 amJeju City
Sep 16
CJU7:30 amJeju City
18h 35m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$908
Cathay Pacific
Nov 9
SEA10:50 amSeattle/Tacoma Intl
26h 50m
1 stop
CJU6:40 amJeju City
Nov 14
CJU7:45 amJeju City
18h 25m
1 stop
SEA9:10 amSeattle/Tacoma Intl
$1,033
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
$1,573

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
Nov 15
SEA8:45 amSeattle/Tacoma Intl
29h 35m
1 stop
CJU7:20 amJeju City
Nov 19
CJU8:55 amJeju City
39h 15m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$2,294
Singapore Airlines
Nov 15
SEA8:45 amSeattle/Tacoma Intl
29h 35m
1 stop
CJU7:20 amJeju City
Nov 19
CJU8:55 amJeju City
39h 15m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$2,437

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 11, 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

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Thu 9/10

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Wed 9/16

7:30 am-10:05 am

1 stop18h 35m

$908

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Mon 11/9

10:50 am-6:40 am

1 stop26h 50m

Jeju City

Sat 11/14

7:45 am-9:10 am

1 stop18h 25m

$1,033

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Thu 9/10

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Wed 9/16

10:40 pm-9:55 am

2 stops27h 15m

$1,063

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Thu 9/10

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Wed 9/16

9:45 am-9:55 am

3 stops40h 10m

$1,091

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 9/4

1:15 am-9:45 am

1 stop16h 30m

Jeju City

Fri 9/11

8:30 pm-4:10 pm

2 stops35h 40m

$1,111

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 9/4

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Fri 9/11

12:20 pm-4:10 pm

1 stop19h 50m

$1,118

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 9/4

1:15 am-10:15 pm

2 stops29h 00m

Jeju City

Fri 9/11

9:05 pm-4:10 pm

2 stops35h 05m

$1,139
Quickest round-trip

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 9/4

1:15 am-9:45 am

1 stop16h 30m

Jeju City

Fri 9/11

7:30 am-4:10 pm

2 stops24h 40m

$1,200

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Sat 9/5

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Fri 9/11

4:00 pm-9:00 am

3 stops33h 00m

$1,205

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Sun 11/8

12:10 am-7:10 pm

2 stops26h 00m

Jeju City

Sat 11/14

7:45 am-6:10 pm

2 stops27h 25m

$1,270

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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

18h 05m

Direct flights

None
The fastest flight from State of Washington to Jeju City takes 18h 05m
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.

Frequently asked questions about flying from Washington to Jeju City

  • How do I get Price Alerts for flights from State of Washington to Jeju City?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to State of Washington from Jeju City. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from State of Washington to Jeju City with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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