How do I get Price Alerts for flights from State of Washington to Busan?

You can take advantage of momondo’s Price Alerts by first searching for your flights to State of Washington from Busan . 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 Busan with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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 Washington to Busan Gimhae Airport?

Prices for flights from Washington to Busan Gimhae Airport are updated daily.

How many operators does momondo search for flights from Washington to Busan Gimhae Airport?

As of November 2026, there are 2 operators available to choose from for flights from Washington to Busan Gimhae Airport.

How old do you have to be to fly from Washington to Busan Gimhae Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Busan Gimhae Airport.

What documentation or ID do you need to fly to Busan Gimhae Airport?

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

$510 Cheap Flights from Washington to Busan in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Busan

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 am - 1:10 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

33h 45m1 stop Hong Kong Intl

1:55 pm - 8:45 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

35h 50m1 stop Hong Kong Intl

$948Cathay Pacific

Wed, Mar 3 - Sun, Mar 7

11:45 am - 1:35 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

33h 50m1 stop Hong Kong Intl

7:45 am - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

18h 20m1 stop Hong Kong Intl

$991Cathay Pacific

Tue, Apr 13 - Tue, Apr 27

11:45 am - 6:45 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

27h 00m1 stop Hong Kong Intl

7:45 am - 10:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

18h 20m1 stop Hong Kong Intl

$1,128Cathay Pacific

Sat, Apr 10 - Sat, Apr 17

10:25 am - 1:10 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

33h 45m1 stop Hong Kong Intl

12:00 pm - 12:55 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

17h 55m1 stop Incheon Intl

$1,136Multiple Airlines

Tue, Nov 24 - Fri, Nov 27

12:10 am - 6:50 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

25h 40m1 stop Taipei City Taiwan Taoyuan Intl

7:50 pm - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

15h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,394China Airlines

Sun, Jan 3 - Thu, Jan 14

7:20 am - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 25m2 stops San Francisco Incheon Intl

12:00 pm - 9:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

14h 05m1 stop Incheon Intl

$1,829Korean Air

Wed, Mar 3 - Sun, Mar 7

7:20 am - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 25m2 stops San Francisco Incheon Intl

12:00 pm - 9:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

14h 05m1 stop Incheon Intl

$1,830Korean Air

Wed, Mar 3 - Sun, Mar 7

7:20 am - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 25m2 stops San Francisco Incheon Intl

12:00 pm - 9:05 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

14h 05m1 stop Incheon Intl

$1,860Korean Air

Wed, Mar 3 - Sun, Mar 7

12:10 am - 10:50 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

17h 40m1 stop Taipei City Taiwan Taoyuan Intl

7:50 pm - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

15h 20m1 stop Taipei City Taiwan Taoyuan Intl

$2,379China Airlines

Mon, Dec 28 - Sun, Jan 3

12:10 am - 10:50 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

17h 40m1 stop Taipei City Taiwan Taoyuan Intl

7:50 pm - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

15h 20m1 stop Taipei City Taiwan Taoyuan Intl

$2,889China Airlines

Thu, Dec 24 - Sat, Jan 2

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Korean Air flights from State of Washington to Busan

Our best Korean Air deals on State of Washington to Busan flight tickets

Korean Air

Mar 3

SEA7:20 amSeattle/Tacoma Intl

20h 25m

2 stops

PUS8:45 pmBusan Gimhae

Mar 7

PUS12:00 pmBusan Gimhae

14h 05m

1 stop

SEA9:05 amSeattle/Tacoma Intl

$1,829

Korean Air

Mar 3

SEA7:20 amSeattle/Tacoma Intl

20h 25m

2 stops

PUS8:45 pmBusan Gimhae

Mar 7

PUS12:00 pmBusan Gimhae

14h 05m

1 stop

SEA9:05 amSeattle/Tacoma Intl

$1,830

Korean Air

Mar 3

SEA7:20 amSeattle/Tacoma Intl

20h 25m

2 stops

PUS8:45 pmBusan Gimhae

Mar 7

PUS12:00 pmBusan Gimhae

14h 05m

1 stop

SEA9:05 amSeattle/Tacoma Intl

$1,860

Singapore Airlines flights from State of Washington to Busan

Our best Singapore Airlines deals on State of Washington to Busan flight tickets

Singapore Airlines

Apr 2

SEA10:15 amSeattle/Tacoma Intl

52h 35m

1 stop

PUS6:50 amBusan Gimhae

Apr 11

PUS7:40 amBusan Gimhae

65h 05m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$1,314

Singapore Airlines

Apr 2

SEA10:15 amSeattle/Tacoma Intl

52h 35m

1 stop

PUS6:50 amBusan Gimhae

Apr 11

PUS7:40 amBusan Gimhae

65h 05m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$1,319

Singapore Airlines

Apr 2

SEA10:15 amSeattle/Tacoma Intl

52h 35m

1 stop

PUS6:50 amBusan Gimhae

Apr 11

PUS7:40 amBusan Gimhae

65h 05m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$1,320

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 3/3

10:25 am-1:10 pm

1 stop33h 45m

Busan Gimhae

Sun 3/7

1:55 pm-8:45 am

1 stop35h 50m

$948

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Tue 4/13

11:45 am-1:35 pm

1 stop33h 50m

Busan Gimhae

Tue 4/27

7:45 am-10:05 am

1 stop18h 20m

$991

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sat 4/10

11:45 am-6:45 am

1 stop27h 00m

Busan Gimhae

Sat 4/17

7:45 am-10:05 am

1 stop18h 20m

$1,128

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Tue 11/24

10:25 am-1:10 pm

1 stop33h 45m

Busan Gimhae

Fri 11/27

12:00 pm-12:55 pm

1 stop17h 55m

$1,136

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 1/3

12:10 am-6:50 pm

1 stop25h 40m

Busan Gimhae

Thu 1/14

7:50 pm-6:10 pm

1 stop15h 20m

$1,394

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 3/3

7:20 am-8:45 pm

2 stops20h 25m

Busan Gimhae

Sun 3/7

12:00 pm-9:05 am

1 stop14h 05m

$1,829

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 3/3

7:20 am-8:45 pm

2 stops20h 25m

Busan Gimhae

Sun 3/7

12:00 pm-9:05 am

1 stop14h 05m

$1,830

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Wed 3/3

7:20 am-8:45 pm

2 stops20h 25m

Busan Gimhae

Sun 3/7

12:00 pm-9:05 am

1 stop14h 05m

$1,860

Quickest round-trip

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Mon 12/28

12:10 am-10:50 am

1 stop17h 40m

Busan Gimhae

Sun 1/3

7:50 pm-6:10 pm

1 stop15h 20m

$2,379

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Thu 12/24

12:10 am-10:50 am

1 stop17h 40m

Busan Gimhae

Sat 1/2

7:50 pm-6:10 pm

1 stop15h 20m

$2,889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap State of Washington to Busan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Busan

Best Price Found	$510
Fastest flight time	25h 10m
Direct flights	None

The best one-way flight to Busan from State of Washington in the past 72 hours is $510. The best round-trip flight deal from State of Washington to Busan found on momondo in the last 72 hours is $948.

The fastest flight from State of Washington to Busan takes 25h 10m

There are no direct flights from State of Washington to Busan. There are no popular flight routes from State of Washington to Busan.

Search flight deals

Frequently asked questions about flying from Washington to Busan

When did momondo last update prices for flights from Washington to Busan Gimhae Airport?
Prices for flights from Washington to Busan Gimhae Airport are updated daily.
How many operators does momondo search for flights from Washington to Busan Gimhae Airport?
As of November 2026, there are 2 operators available to choose from for flights from Washington to Busan Gimhae Airport.
How old do you have to be to fly from Washington to Busan Gimhae Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Busan Gimhae Airport.
What documentation or ID do you need to fly to Busan Gimhae Airport?
The travel and health documents you'll need for your trip to Busan Gimhae 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 Busan Gimhae Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Busan

Compare and see reviews for airlines that fly from State of Washington to Busan with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $792	Free Cancellation	Rating 8.3 859 reviews		Search China Airlines flights
Korean Air	PriceFrom $995	Free Cancellation	Rating 8.4 1,218 reviews		Search Korean Air flights

Frequently asked questions about flying from Washington to Busan

How do I get Price Alerts for flights from State of Washington to Busan?
You can take advantage of momondo’s Price Alerts by first searching for your flights to State of Washington from Busan. 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 Busan with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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 Washington to Busan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Busan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Busan with flexible booking policies on momondo?

Flights from Washington to Busan 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 Washington to Busan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Busan from Washington.

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

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