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.

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.

$1,007 Cheap Flights from Washington to Jeju City in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Jeju City

Round-trip

One-way

Cheap round-trip flights

11:00 am - 8:35 amSEA-CJU

28h 35m2 stops

3:30 pm - 9:00 amCJU-SEA

34h 30m2 stops

$1,007Korean Air

Find Deal

Tue, Nov 4 - Tue, Nov 11

12:10 am - 2:00 pmSEA-CJU

20h 50m2 stops

10:20 pm - 9:00 amCJU-SEA

27h 40m2 stops

$1,052Multiple Airlines

Find Deal

Mon, Nov 3 - Tue, Nov 11

11:30 pm - 9:50 amSEA-CJU

17h 20m1 stop

12:05 pm - 5:30 pmCJU-SEA

22h 25m1 stop

$1,074Multiple Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 11

12:10 am - 5:25 pmSEA-CJU

24h 15m1 stop

7:45 pm - 7:10 amCJU-SEA

28h 25m1 stop

$1,134Multiple Airlines

Find Deal

Wed, Nov 5 - Thu, Nov 13

12:10 am - 2:00 pmSEA-CJU

20h 50m2 stops

11:00 am - 3:05 pmCJU-SEA

21h 05m1 stop

$1,156Multiple Airlines

Find Deal

Mon, Nov 3 - Tue, Nov 11

12:10 am - 5:25 pmSEA-CJU

24h 15m1 stop

7:55 am - 5:30 pmCJU-SEA

26h 35m2 stops

$1,161Multiple Airlines

Find Deal

Wed, Nov 5 - Thu, Nov 13

5:57 pm - 5:25 pmSEA-CJU

30h 28m2 stops

10:50 am - 3:05 pmCJU-SEA

21h 15m1 stop

$1,198Multiple Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

10:05 am - 8:20 amSEA-CJU

29h 15m3 stops

7:45 pm - 7:10 amCJU-SEA

28h 25m1 stop

$1,207Multiple Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

9:45 am - 7:20 amSEA-CJU

29h 35m1 stop

7:55 pm - 8:10 amCJU-SEA

28h 15m1 stop

$1,481Singapore Airlines

Find Deal

Sun, Mar 8 - Thu, Mar 12

7:20 am - 12:50 pmSEA-CJU

37h 30m2 stops

6:55 pm - 5:00 pmCJU-SEA

38h 05m2 stops

$3,907China Eastern

Find Deal

Sun, Mar 8 - Thu, Mar 12

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

Tue 11/4

11:00 am-8:35 am

2 stops28h 35m

Jeju City

Tue 11/11

3:30 pm-9:00 am

2 stops34h 30m

$1,007

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 11/3

12:10 am-2:00 pm

2 stops20h 50m

Jeju City

Tue 11/11

10:20 pm-9:00 am

2 stops27h 40m

$1,052

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Tue 11/4

11:30 pm-9:50 am

1 stop17h 20m

Jeju City

Tue 11/11

12:05 pm-5:30 pm

1 stop22h 25m

$1,074

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 11/5

12:10 am-5:25 pm

1 stop24h 15m

Jeju City

Thu 11/13

7:45 pm-7:10 am

1 stop28h 25m

$1,134

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 11/3

12:10 am-2:00 pm

2 stops20h 50m

Jeju City

Tue 11/11

11:00 am-3:05 pm

1 stop21h 05m

$1,156

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 11/5

12:10 am-5:25 pm

1 stop24h 15m

Jeju City

Thu 11/13

7:55 am-5:30 pm

2 stops26h 35m

$1,161

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 11/6

5:57 pm-5:25 pm

2 stops30h 28m

Jeju City

Thu 11/13

10:50 am-3:05 pm

1 stop21h 15m

$1,198

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 11/6

10:05 am-8:20 am

3 stops29h 15m

Jeju City

Thu 11/13

7:45 pm-7:10 am

1 stop28h 25m

$1,207

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

$1,481

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-5:00 pm

2 stops38h 05m

$3,907

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

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.

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.