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.

$532 Cheap Flights from Washington to Jeju City in 2026

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Find the cheapest flights from Washington to Jeju City

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 6:30 am

SEA

CJU

26h 05m

1 stop

7:30 am - 10:05 am

CJU

SEA

18h 35m

1 stop

$1,179Cathay Pacific

Tue, Sep 8 - Tue, Sep 22

4:25 pm - 10:10 am

SEA

CJU

49h 45m

2 stops

5:45 pm - 12:25 pm

CJU

SEA

34h 40m

2 stops

$1,244Multiple Airlines

Tue, Sep 8 - Tue, Sep 22

11:00 am - 6:10 am

SEA

CJU

27h 10m

1 stop

7:30 am - 1:37 pm

CJU

SEA

22h 07m

2 stops

$1,303Multiple Airlines

Tue, Sep 8 - Tue, Sep 22

11:00 am - 9:05 pm

SEA

CJU

18h 05m

1 stop

2:30 pm - 7:40 pm

CJU

SEA

21h 10m

2 stops

$1,478Multiple Airlines

Tue, Sep 8 - Wed, Sep 16

4:25 pm - 8:20 am

SEA

CJU

47h 55m

2 stops

8:45 pm - 12:25 pm

CJU

SEA

31h 40m

2 stops

$1,549Multiple Airlines

Tue, Sep 8 - Wed, Sep 16

1:15 am - 10:15 pm

SEA

CJU

29h 00m

2 stops

7:25 am - 10:42 pm

CJU

SEA

31h 17m

2 stops

$1,836Multiple Airlines

Sun, Jun 21 - Mon, Jun 29

7:00 am - 8:05 am

SEA

CJU

33h 05m

3 stops

11:00 am - 10:42 pm

CJU

SEA

27h 42m

2 stops

$1,918Multiple Airlines

Mon, Jun 22 - Mon, Jun 29

7:00 am - 8:05 am

SEA

CJU

33h 05m

3 stops

9:20 pm - 6:32 pm

CJU

SEA

37h 12m

3 stops

$1,956Multiple Airlines

Mon, Jun 22 - Mon, Jun 29

12:25 pm - 6:30 am

SEA

CJU

26h 05m

1 stop

7:30 am - 10:20 am

CJU

SEA

18h 50m

1 stop

$1,978Cathay Pacific

Thu, Jun 25 - Thu, Jul 2

1:20 pm - 12:10 pm

SEA

CJU

30h 50m

2 stops

6:20 pm - 11:00 am

CJU

SEA

32h 40m

2 stops

$1,997Korean Air

Thu, Jun 25 - Thu, Jul 2

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 8

SEA12:25 pmSeattle/Tacoma Intl

26h 05m

1 stop

CJU6:30 amJeju City

Sep 22

CJU7:30 amJeju City

18h 35m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$1,179

Cathay Pacific

Jun 25

SEA12:25 pmSeattle/Tacoma Intl

26h 05m

1 stop

CJU6:30 amJeju City

Jul 2

CJU7:30 amJeju City

18h 50m

1 stop

SEA10:20 amSeattle/Tacoma Intl

$1,978

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

$2,050

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/8

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Tue 9/22

7:30 am-10:05 am

1 stop18h 35m

$1,179

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/8

4:25 pm-10:10 am

2 stops49h 45m

Jeju City

Tue 9/22

5:45 pm-12:25 pm

2 stops34h 40m

$1,244

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/8

11:00 am-6:10 am

1 stop27h 10m

Jeju City

Tue 9/22

7:30 am-1:37 pm

2 stops22h 07m

$1,303

Quickest round-trip

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/8

11:00 am-9:05 pm

1 stop18h 05m

Jeju City

Wed 9/16

2:30 pm-7:40 pm

2 stops21h 10m

$1,478

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 9/8

4:25 pm-8:20 am

2 stops47h 55m

Jeju City

Wed 9/16

8:45 pm-12:25 pm

2 stops31h 40m

$1,549

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 6/21

1:15 am-10:15 pm

2 stops29h 00m

Jeju City

Mon 6/29

7:25 am-10:42 pm

2 stops31h 17m

$1,836

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 6/22

7:00 am-8:05 am

3 stops33h 05m

Jeju City

Mon 6/29

11:00 am-10:42 pm

2 stops27h 42m

$1,918

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 6/22

7:00 am-8:05 am

3 stops33h 05m

Jeju City

Mon 6/29

9:20 pm-6:32 pm

3 stops37h 12m

$1,956

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 6/25

12:25 pm-6:30 am

1 stop26h 05m

Jeju City

Thu 7/2

7:30 am-10:20 am

1 stop18h 50m

$1,978

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 6/25

1:20 pm-12:10 pm

2 stops30h 50m

Jeju City

Thu 7/2

6:20 pm-11:00 am

2 stops32h 40m

$1,997

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Fastest flight time	21h 40m
Direct flights	None

The fastest flight from State of Washington to Jeju City takes 21h 40m

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.

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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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 7/8. 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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Frequently asked questions about flying from Washington to Jeju City

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Why use momondo?

An easier way to manage your Jeju City trip

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Get notified when prices go down

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

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