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Cheap flights from Washington to Jeju City from $1,173

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Jeju City departing on 3/18. 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
0 bags

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Find the cheapest flights from Washington to Jeju City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 am - 6:35 pm
SEA
-
CJU
25h 50m
2 stops
Multiple Airlines Logo
7:55 am - 4:05 pm
CJU
-
SEA
24h 10m
2 stops
$1,173Multiple Airlines
Wed, Mar 18 - Thu, Mar 26
Multiple Airlines Logo
12:45 am - 10:45 am
SEA
-
CJU
18h 00m
1 stop
Multiple Airlines Logo
10:50 am - 4:05 pm
CJU
-
SEA
21h 15m
1 stop
$1,198Multiple Airlines
Wed, Mar 18 - Thu, Mar 26
Multiple Airlines Logo
11:05 am - 9:25 pm
SEA
-
CJU
42h 20m
2 stops
Multiple Airlines Logo
7:55 pm - 8:10 am
CJU
-
SEA
28h 15m
1 stop
$1,281Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Singapore Airlines Logo
10:15 am - 7:15 am
SEA
-
CJU
53h 00m
1 stop
Singapore Airlines Logo
9:30 am - 8:45 am
CJU
-
SEA
63h 15m
1 stop
$4,355Singapore Airlines
Thu, Jul 2 - Sun, Jul 5
Multiple Airlines Logo
1:30 pm - 8:00 pm
SEA
-
CJU
38h 30m
2 stops
Multiple Airlines Logo
1:35 pm - 2:20 pm
CJU
-
SEA
16h 45m
1 stop
$4,573Multiple Airlines
Thu, Jul 2 - Sun, Jul 5
Multiple Airlines Logo
5:40 am - 9:35 pm
SEA
-
CJU
23h 55m
2 stops
Multiple Airlines Logo
1:35 pm - 6:32 pm
CJU
-
SEA
20h 57m
2 stops
$4,654Multiple Airlines
Thu, Jul 2 - Sun, Jul 5
Multiple Airlines Logo
12:10 am - 5:25 pm
SEA
-
CJU
24h 15m
1 stop
Multiple Airlines Logo
8:35 am - 7:10 pm
CJU
-
SEA
26h 35m
2 stops
$5,605Multiple Airlines
Sun, Mar 1 - Sat, Mar 21
Multiple Airlines Logo
12:10 am - 5:25 pm
SEA
-
CJU
24h 15m
1 stop
Multiple Airlines Logo
12:05 pm - 6:30 pm
CJU
-
SEA
22h 25m
1 stop
$7,294Multiple Airlines
Sun, Mar 1 - Sat, Mar 21
China Eastern Logo
7:10 am - 12:50 pm
SEA
-
CJU
36h 40m
2 stops
China Eastern Logo
1:50 pm - 7:48 pm
CJU
-
SEA
45h 58m
2 stops
$8,654China Eastern
Mon, Mar 2 - Sat, Mar 21

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 February 4, 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

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 3/18

12:45 am-6:35 pm

2 stops25h 50m

Jeju City

Thu 3/26

7:55 am-4:05 pm

2 stops24h 10m

$1,173

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Wed 3/18

12:45 am-10:45 am

1 stop18h 00m

Jeju City

Thu 3/26

10:50 am-4:05 pm

1 stop21h 15m

$1,198

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 3/19

11:05 am-9:25 pm

2 stops42h 20m

Jeju City

Thu 3/26

7:55 pm-8:10 am

1 stop28h 15m

$1,281

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 7/2

10:15 am-7:15 am

1 stop53h 00m

Jeju City

Sun 7/5

9:30 am-8:45 am

1 stop63h 15m

$4,355

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 7/2

1:30 pm-8:00 pm

2 stops38h 30m

Jeju City

Sun 7/5

1:35 pm-2:20 pm

1 stop16h 45m

$4,573

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 7/2

5:40 am-9:35 pm

2 stops23h 55m

Jeju City

Sun 7/5

1:35 pm-6:32 pm

2 stops20h 57m

$4,654

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 3/1

12:10 am-5:25 pm

1 stop24h 15m

Jeju City

Sat 3/21

8:35 am-7:10 pm

2 stops26h 35m

$5,605

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 3/1

12:10 am-5:25 pm

1 stop24h 15m

Jeju City

Sat 3/21

12:05 pm-6:30 pm

1 stop22h 25m

$7,294

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Mon 3/2

7:10 am-12:50 pm

2 stops36h 40m

Jeju City

Sat 3/21

1:50 pm-7:48 pm

2 stops45h 58m

$8,654

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

Fastest flight time

41h 10m

Direct flights

None
The fastest flight from State of Washington to Jeju City takes 41h 10m
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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  • 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.

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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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