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

Price Alerts will notify you by email when the price for flights to Jeju-do from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Seattle to Jeju-do 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?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

Prices for flights from Seattle/Tacoma Intl Airport to Jeju-do are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Jeju-do?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Jeju-do.

What documentation or ID do you need to fly to Jeju-do?

The travel and health documents you'll need for your trip to Jeju-do 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-do. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$982 Cheap Flights from Seattle to Jeju-do in 2026/27

Find the cheapest flights from Seattle to Jeju-do

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 am - 6:40 amSEA Seattle/Tacoma Intl-CJU Jeju City

27h 15m1 stop Hong Kong Intl

7:45 am - 8:45 amCJU Jeju City-SEA Seattle/Tacoma Intl

18h 00m1 stop Hong Kong Intl

$982Cathay Pacific

Thu, Nov 12 - Thu, Nov 19

11:00 am - 8:05 pmSEA Seattle/Tacoma Intl-CJU Jeju City

16h 05m1 stop Incheon Intl

7:45 am - 6:45 pmCJU Jeju City-SEA Seattle/Tacoma Intl

28h 00m2 stops Hong Kong Intl Manila Ninoy Aquino Intl

$1,205Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

11:30 pm - 7:00 pmSEA Seattle/Tacoma Intl-CJU Jeju City

50h 30m2 stops Taipei City Taiwan Taoyuan Intl Busan Gimhae

1:25 pm - 5:30 pmCJU Jeju City-SEA Seattle/Tacoma Intl

21h 05m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl

$1,210Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

8:40 am - 10:40 pmSEA Seattle/Tacoma Intl-CJU Jeju City

21h 00m2 stops Vancouver Intl Shanghai Pu Dong

2:20 pm - 6:22 pmCJU Jeju City-SEA Seattle/Tacoma Intl

21h 02m2 stops Shanghai Pu Dong Vancouver Intl

$2,105Multiple Airlines

Fri, Dec 18 - Mon, Dec 28

12:40 pm - 7:30 pmSEA Seattle/Tacoma Intl-CJU Jeju City

37h 50m2 stops Incheon Intl Kaohsiung City

11:40 am - 3:05 pmCJU Jeju City-SEA Seattle/Tacoma Intl

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

$2,124Multiple Airlines

Fri, Dec 18 - Mon, Dec 28

8:40 am - 6:40 amSEA Seattle/Tacoma Intl-CJU Jeju City

29h 00m3 stops Vancouver Intl Shanghai Pu Dong Hong Kong Intl

7:50 am - 2:37 pmCJU Jeju City-SEA Seattle/Tacoma Intl

23h 47m2 stops Shanghai Pu Dong Vancouver Intl

$2,540Multiple Airlines

Fri, Dec 18 - Mon, Dec 28

11:55 am - 6:10 amSEA Seattle/Tacoma Intl-CJU Jeju City

25h 15m2 stops Tokyo Narita Hong Kong Intl

10:15 pm - 12:55 pmCJU Jeju City-SEA Seattle/Tacoma Intl

31h 40m2 stops Taipei City Taiwan Taoyuan Intl Incheon Intl

$2,720Multiple Airlines

Mon, Dec 21 - Mon, Jan 4

12:10 am - 6:05 amSEA Seattle/Tacoma Intl-CJU Jeju City

36h 55m1 stop Taipei City Taiwan Taoyuan Intl

10:15 pm - 5:30 pmCJU Jeju City-SEA Seattle/Tacoma Intl

36h 15m1 stop Taipei City Taiwan Taoyuan Intl

$3,013Multiple Airlines

Sun, Dec 20 - Mon, Jan 4

10:25 am - 6:10 amSEA Seattle/Tacoma Intl-CJU Jeju City

26h 45m1 stop Hong Kong Intl

8:00 pm - 7:08 amCJU Jeju City-SEA Seattle/Tacoma Intl

28h 08m2 stops Hong Kong Intl Vancouver Intl

$3,357Multiple Airlines

Mon, Dec 21 - Mon, Jan 4

11:46 am - 1:35 pmSEA Seattle/Tacoma Intl-CJU Jeju City

56h 49m3 stops San Francisco Wuhan Guangzhou Baiyun

10:25 pm - 6:22 pmCJU Jeju City-SEA Seattle/Tacoma Intl

36h 57m2 stops Shanghai Pu Dong Vancouver Intl

$4,437Multiple Airlines

Mon, Dec 21 - Mon, Jan 4

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Thu 11/12

10:25 am-6:40 am

1 stop27h 15m

Jeju City

Thu 11/19

7:45 am-8:45 am

1 stop18h 00m

$982

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Thu 11/12

11:00 am-8:05 pm

1 stop16h 05m

Jeju City

Thu 11/19

7:45 am-6:45 pm

2 stops28h 00m

$1,205

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Thu 11/12

11:30 pm-7:00 pm

2 stops50h 30m

Jeju City

Thu 11/19

1:25 pm-5:30 pm

2 stops21h 05m

$1,210

Quickest round-trip

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 12/18

8:40 am-10:40 pm

2 stops21h 00m

Jeju City

Mon 12/28

2:20 pm-6:22 pm

2 stops21h 02m

$2,105

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 12/18

12:40 pm-7:30 pm

2 stops37h 50m

Jeju City

Mon 12/28

11:40 am-3:05 pm

1 stop20h 25m

$2,124

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Fri 12/18

8:40 am-6:40 am

3 stops29h 00m

Jeju City

Mon 12/28

7:50 am-2:37 pm

2 stops23h 47m

$2,540

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Mon 12/21

11:55 am-6:10 am

2 stops25h 15m

Jeju City

Mon 1/4

10:15 pm-12:55 pm

2 stops31h 40m

$2,720

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Sun 12/20

12:10 am-6:05 am

1 stop36h 55m

Jeju City

Mon 1/4

10:15 pm-5:30 pm

1 stop36h 15m

$3,013

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Mon 12/21

10:25 am-6:10 am

1 stop26h 45m

Jeju City

Mon 1/4

8:00 pm-7:08 am

2 stops28h 08m

$3,357

SeattleJeju City

SEA Seattle/Tacoma Intl - CJU Jeju City

SEACJU

Seattle/Tacoma Intl

Mon 12/21

11:46 am-1:35 pm

3 stops56h 49m

Jeju City

Mon 1/4

10:25 pm-6:22 pm

2 stops36h 57m

$4,437

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Seattle to Jeju-do flight deals and tips

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

Best Price Found	$982
Fastest flight time	25h 15m
Direct flights	None

The best flight deal from Seattle to Jeju-do found on momondo in the last 72 hours is $982

The fastest flight from Seattle to Jeju-do takes 25h 15m

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

Search flight deals

Frequently asked questions about flying from Seattle to Jeju-do

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Jeju-do?
Prices for flights from Seattle/Tacoma Intl Airport to Jeju-do are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Jeju-do?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Jeju-do.
What documentation or ID do you need to fly to Jeju-do?
The travel and health documents you'll need for your trip to Jeju-do 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-do. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Seattle to Jeju-do

How do I get Price Alerts for flights from Seattle to Jeju-do?
Price Alerts will notify you by email when the price for flights to Jeju-do from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Seattle to Jeju-do 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?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Jeju-do?

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-do from Seattle.

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

Flights from Seattle to Jeju-do with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Jeju-do from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Seattle to Jeju-do now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Jeju-do and let you know when they change.