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.

$409 Cheap Flights from Washington to Jeju City in 2025/26

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12:10 am - 7:10 pmSEA-CJU

26h 00m2 stops

7:55 am - 7:16 pmCJU-SEA

27h 21m2 stops

$1,088Multiple Airlines

Find Deal

Fri, Mar 6 - Sat, Mar 14

12:10 am - 7:10 pmSEA-CJU

26h 00m2 stops

7:55 pm - 8:10 amCJU-SEA

28h 15m1 stop

$1,210Multiple Airlines

Find Deal

Fri, Mar 6 - Sat, Mar 14

8:45 am - 7:20 amSEA-CJU

29h 35m1 stop

7:55 pm - 8:10 amCJU-SEA

28h 15m1 stop

$1,264Singapore Airlines

Find Deal

Sat, Mar 7 - Sat, Mar 14

10:00 am - 6:40 amSEA-CJU

27h 40m3 stops

7:55 am - 7:16 pmCJU-SEA

27h 21m2 stops

$1,331Multiple Airlines

Find Deal

Sat, Mar 7 - Sat, Mar 14

8:45 am - 6:40 amSEA-CJU

28h 55m2 stops

7:55 am - 7:16 pmCJU-SEA

27h 21m2 stops

$1,340Multiple Airlines

Find Deal

Sat, Mar 7 - Sat, Mar 14

12:10 am - 9:50 amSEA-CJU

16h 40m1 stop

10:10 am - 4:05 pmCJU-SEA

21h 55m1 stop

$1,344Multiple Airlines

Find Deal

Fri, Mar 6 - Sat, Mar 14

9:45 am - 7:20 amSEA-CJU

29h 35m1 stop

7:55 pm - 8:10 amCJU-SEA

28h 15m1 stop

$1,480Singapore Airlines

Find Deal

Sun, Mar 8 - Thu, Mar 12

7:20 am - 12:50 pmSEA-CJU

37h 30m2 stops

6:55 pm - 6:25 pmCJU-SEA

39h 30m2 stops

$1,696China Eastern

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Sun, Mar 8 - Thu, Mar 12

11:00 am - 9:55 pmSEA-CJU

17h 55m1 stop

9:50 am - 9:00 amCJU-SEA

16h 10m1 stop

$1,968Korean Air

Find Deal

Wed, Dec 24 - Thu, Jan 1

7:12 pm - 9:55 amSEA-CJU

21h 43m2 stops

5:10 pm - 6:45 pmCJU-SEA

18h 35m2 stops

$2,457Asiana Airlines

Find Deal

Wed, Dec 24 - Thu, Jan 1

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

Mar 7

SEA8:45 amSeattle/Tacoma Intl

29h 35m

1 stop

CJU7:20 amJeju City

Mar 14

CJU7:55 pmJeju City

28h 15m

1 stop

SEA8:10 amSeattle/Tacoma Intl

$1,264

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Singapore Airlines

Mar 8

SEA9:45 amSeattle/Tacoma Intl

29h 35m

1 stop

CJU7:20 amJeju City

Mar 12

CJU7:55 pmJeju City

28h 15m

1 stop

SEA8:10 amSeattle/Tacoma Intl

$1,480

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momondo Fare Finder

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

Fri 3/6

12:10 am-7:10 pm

2 stops26h 00m

Jeju City

Sat 3/14

7:55 am-7:16 pm

2 stops27h 21m

$1,088

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 3/6

12:10 am-7:10 pm

2 stops26h 00m

Jeju City

Sat 3/14

7:55 pm-8:10 am

1 stop28h 15m

$1,210

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 3/7

8:45 am-7:20 am

1 stop29h 35m

Jeju City

Sat 3/14

7:55 pm-8:10 am

1 stop28h 15m

$1,264

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 3/7

10:00 am-6:40 am

3 stops27h 40m

Jeju City

Sat 3/14

7:55 am-7:16 pm

2 stops27h 21m

$1,331

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 3/7

8:45 am-6:40 am

2 stops28h 55m

Jeju City

Sat 3/14

7:55 am-7:16 pm

2 stops27h 21m

$1,340

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 3/6

12:10 am-9:50 am

1 stop16h 40m

Jeju City

Sat 3/14

10:10 am-4:05 pm

1 stop21h 55m

$1,344

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 3/8

9:45 am-7:20 am

1 stop29h 35m

Jeju City

Thu 3/12

7:55 pm-8:10 am

1 stop28h 15m

$1,480

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 3/8

7:20 am-12:50 pm

2 stops37h 30m

Jeju City

Thu 3/12

6:55 pm-6:25 pm

2 stops39h 30m

$1,696

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 12/24

11:00 am-9:55 pm

1 stop17h 55m

Jeju City

Thu 1/1

9:50 am-9:00 am

1 stop16h 10m

$1,968

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 12/24

7:12 pm-9:55 am

2 stops21h 43m

Jeju City

Thu 1/1

5:10 pm-6:45 pm

2 stops18h 35m

$2,457

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?

Asiana Airlines and Korean Air 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

Direct flights	None

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.

Search flight deals

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 $409

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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

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Find the cheapest flights from Washington to Jeju City

Cheap round-trip flights

Cheap one-way flights

Singapore Airlines flights from State of Washington to Jeju City

Our best Singapore Airlines deals on State of Washington to Jeju City flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Jeju City that are best for you.

See travel insights to Jeju City from

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?

Asiana Airlines and Korean Air 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

Direct flights

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

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

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

Traveling to a place near Jeju City?

Why use momondo?

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

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

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

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

An easier way to manage your Jeju City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly your favorite airline to Jeju City

Airlines are sorted and displayed according to clicks in the past 7 days on momondo