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.

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.

$1,003 Cheap Flights from Seattle to Jeju City in 2025/26

1 adult

0 bags

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Find the cheapest flights from Seattle to Jeju City

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:10 am - 10:15 pmSEA-CJU

29h 05m2 stops

7:55 am - 7:35 pmCJU-SEA

27h 40m2 stops

$1,184Multiple Airlines

Find Deal

Sat, Apr 11 - Sun, Apr 19

5:50 am - 7:15 amSEA-CJU

33h 25m3 stops

7:55 am - 7:35 pmCJU-SEA

27h 40m2 stops

$1,250Multiple Airlines

Find Deal

Sun, Apr 12 - Sun, Apr 19

10:15 am - 7:15 amSEA-CJU

29h 00m1 stop

8:35 am - 8:45 amCJU-SEA

64h 10m1 stop

$1,324Singapore Airlines

Find Deal

Sun, Apr 12 - Sun, Apr 19

1:10 am - 9:35 pmSEA-CJU

28h 25m2 stops

4:55 pm - 10:10 amCJU-SEA

33h 15m3 stops

$1,398Multiple Airlines

Find Deal

Sat, Apr 11 - Sun, Apr 19

5:50 am - 7:30 amSEA-CJU

32h 40m3 stops

1:50 pm - 8:00 amCJU-SEA

35h 10m2 stops

$1,469Multiple Airlines

Find Deal

Fri, Dec 12 - Fri, Dec 19

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

5:50 am - 7:15 amSEA-CJU

33h 25m3 stops

4:55 pm - 10:10 amCJU-SEA

33h 15m3 stops

$1,484Multiple Airlines

Find Deal

Sun, Apr 12 - Sun, Apr 19

10:05 am - 8:15 amSEA-CJU

29h 10m3 stops

9:55 pm - 2:31 pmCJU-SEA

33h 36m3 stops

$1,566Multiple Airlines

Find Deal

Sun, Dec 14 - Sun, Dec 21

12:10 am - 9:40 pmSEA-CJU

28h 30m2 stops

10:25 pm - 8:00 amCJU-SEA

26h 35m2 stops

$1,572Multiple Airlines

Find Deal

Thu, Dec 11 - Fri, Dec 19

7:20 am - 12:50 pmSEA-CJU

37h 30m2 stops

6:55 pm - 6:25 pmCJU-SEA

39h 30m2 stops

$1,696China Eastern

Find Deal

Sun, Mar 8 - Thu, Mar 12

Singapore Airlines flights from Seattle to Jeju City

Our best Singapore Airlines deals on Seattle to Jeju City flight tickets

Singapore Airlines

Apr 12

SEA10:15 amSeattle/Tacoma Intl

29h 00m

1 stop

CJU7:15 amJeju City

Apr 19

CJU8:35 amJeju City

64h 10m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$1,324

Find similar

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

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

1:10 am-10:15 pm

2 stops29h 05m

Jeju City

Sun 4/19

7:55 am-7:35 pm

2 stops27h 40m

$1,184

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 4/12

5:50 am-7:15 am

3 stops33h 25m

Jeju City

Sun 4/19

7:55 am-7:35 pm

2 stops27h 40m

$1,250

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 4/12

10:15 am-7:15 am

1 stop29h 00m

Jeju City

Sun 4/19

8:35 am-8:45 am

1 stop64h 10m

$1,324

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sat 4/11

1:10 am-9:35 pm

2 stops28h 25m

Jeju City

Sun 4/19

4:55 pm-10:10 am

3 stops33h 15m

$1,398

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Fri 12/12

5:50 am-7:30 am

3 stops32h 40m

Jeju City

Fri 12/19

1:50 pm-8:00 am

2 stops35h 10m

$1,469

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 4/12

5:50 am-7:15 am

3 stops33h 25m

Jeju City

Sun 4/19

4:55 pm-10:10 am

3 stops33h 15m

$1,484

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Sun 12/14

10:05 am-8:15 am

3 stops29h 10m

Jeju City

Sun 12/21

9:55 pm-2:31 pm

3 stops33h 36m

$1,566

SeattleJeju City

SEA - CJU

SEACJU

Seattle/Tacoma Intl

Thu 12/11

12:10 am-9:40 pm

2 stops28h 30m

Jeju City

Fri 12/19

10:25 pm-8:00 am

2 stops26h 35m

$1,572

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

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

Direct flights	None

There are no direct flights from Seattle to Jeju City. There are no popular flight routes from Seattle to Jeju City.

Search flight deals

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 17h 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.

Seogwipo

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.