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Cheap flights from Seattle to Jeju City from $1,094

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Jeju City departing on 4/11. 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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0 bags

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Find the cheapest flights from Seattle to Jeju City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 am - 9:05 pm
SEA
-
CJU
18h 05m
1 stop
Multiple Airlines Logo
7:30 am - 7:30 pm
CJU
-
SEA
28h 00m
2 stops
$1,094Multiple Airlines
Sat, Apr 11 - Sun, Apr 19
Multiple Airlines Logo
11:00 am - 9:05 pm
SEA
-
CJU
18h 05m
1 stop
Multiple Airlines Logo
7:30 am - 6:50 pm
CJU
-
SEA
27h 20m
2 stops
$1,120Multiple Airlines
Sat, Apr 11 - Sat, Apr 18
Multiple Airlines Logo
1:30 am - 5:30 pm
SEA
-
CJU
24h 00m
1 stop
Multiple Airlines Logo
12:20 pm - 6:50 pm
CJU
-
SEA
22h 30m
1 stop
$1,187Multiple Airlines
Fri, Apr 10 - Sat, Apr 18
Multiple Airlines Logo
11:10 pm - 5:30 pm
SEA
-
CJU
26h 20m
2 stops
Multiple Airlines Logo
12:20 pm - 6:50 pm
CJU
-
SEA
22h 30m
1 stop
$1,336Multiple Airlines
Sun, Apr 12 - Sat, Apr 18
Multiple Airlines Logo
1:15 am - 5:30 pm
SEA
-
CJU
24h 15m
1 stop
Multiple Airlines Logo
12:20 pm - 4:10 pm
CJU
-
SEA
19h 50m
1 stop
$1,353Multiple Airlines
Sat, Apr 11 - Sun, Apr 19
Multiple Airlines Logo
7:03 am - 5:30 pm
SEA
-
CJU
42h 27m
2 stops
Multiple Airlines Logo
12:20 pm - 4:10 pm
CJU
-
SEA
19h 50m
1 stop
$1,463Multiple Airlines
Sun, Apr 12 - Sun, Apr 19
China Eastern Logo
7:15 am - 6:10 pm
SEA
-
CJU
42h 55m
2 stops
China Eastern Logo
1:40 pm - 6:26 pm
CJU
-
SEA
44h 46m
2 stops
$1,887China Eastern
Sat, Apr 11 - Sun, Apr 19
China Eastern Logo
7:15 am - 12:30 pm
SEA
-
CJU
37h 15m
2 stops
China Eastern Logo
7:10 pm - 6:26 pm
CJU
-
SEA
39h 16m
2 stops
$2,045China Eastern
Sun, Apr 12 - Sun, Apr 19

China Eastern flights from Seattle to Jeju City

Our best China Eastern deals on Seattle to Jeju City flight tickets
China Eastern
Apr 11
SEA7:15 amSeattle/Tacoma Intl
42h 55m
2 stops
CJU6:10 pmJeju City
Apr 19
CJU1:40 pmJeju City
44h 46m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
$1,887
China Eastern
Apr 12
SEA7:15 amSeattle/Tacoma Intl
37h 15m
2 stops
CJU12:30 pmJeju City
Apr 19
CJU7:10 pmJeju City
39h 16m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
$2,045

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 January 29, 2026.
Use the filters below to find and compare flights from Seattle to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

11:00 am-9:05 pm

1 stop18h 05m

Jeju City

Sun 4/19

7:30 am-7:30 pm

2 stops28h 00m

$1,094

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

11:00 am-9:05 pm

1 stop18h 05m

Jeju City

Sat 4/18

7:30 am-6:50 pm

2 stops27h 20m

$1,120

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 4/10

1:30 am-5:30 pm

1 stop24h 00m

Jeju City

Sat 4/18

12:20 pm-6:50 pm

1 stop22h 30m

$1,187

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 4/12

11:10 pm-5:30 pm

2 stops26h 20m

Jeju City

Sat 4/18

12:20 pm-6:50 pm

1 stop22h 30m

$1,336

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

1:15 am-5:30 pm

1 stop24h 15m

Jeju City

Sun 4/19

12:20 pm-4:10 pm

1 stop19h 50m

$1,353

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 4/12

7:03 am-5:30 pm

2 stops42h 27m

Jeju City

Sun 4/19

12:20 pm-4:10 pm

1 stop19h 50m

$1,463

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

7:15 am-6:10 pm

2 stops42h 55m

Jeju City

Sun 4/19

1:40 pm-6:26 pm

2 stops44h 46m

$1,887

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 4/12

7:15 am-12:30 pm

2 stops37h 15m

Jeju City

Sun 4/19

7:10 pm-6:26 pm

2 stops39h 16m

$2,045

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Jeju City

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Jeju City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Jeju City (SEA to CJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Jeju City

Fastest flight time

24h 15m

Direct flights

None
The fastest flight from Seattle to Jeju City takes 24h 15m
There are no direct flights from Seattle to Jeju City. There are no popular flight routes from Seattle to Jeju City.
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  • How far is Seattle/Tacoma Intl to Jeju City by plane?

    There are 5397.0 mi between Seattle/Tacoma Intl and Jeju City. Typically, this will take 24h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Jeju City Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Jeju City Airport refresh daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport to Jeju City Airport.

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

    The necessary travel and health documents for your Jeju City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Seattle to Jeju City?

    Confirm your travel details to search for the latest offers for flights from Seattle to Jeju City. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Seattle to Jeju City with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 Seattle to Jeju City?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Jeju City from Seattle.

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

momondo does allow users to show only those flights to Jeju City from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Seattle to Jeju City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Jeju City, momondo offers a useful price alert feature which will track prices for flights to Jeju City from Seattle and alert you when they change.

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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