What is the cheapest airline that flies from Washington to Busan Gimhae?

Cathay Pacific is the most popular carrier operating from Washington to Busan Gimhae

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 August 2026, there is 1 operator 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.

$469 Cheap Flights from Washington to Busan in 2026

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.

1:15 am - 11:15 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

18h 00m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

23h 20m1 stop Taipei City Taiwan Taoyuan Intl

$913China Airlines

Sun, Oct 18 - Thu, Nov 5

1:15 am - 9:30 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

16h 15m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

23h 20m1 stop Taipei City Taiwan Taoyuan Intl

$926China Airlines

Sun, Oct 18 - Thu, Nov 5

1:15 am - 11:15 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

18h 00m1 stop Taipei City Taiwan Taoyuan Intl

10:10 am - 7:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

25h 00m1 stop Taipei City Taiwan Taoyuan Intl

$930China Airlines

Mon, Oct 19 - Sun, Nov 1

1:15 am - 9:30 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

16h 15m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

23h 20m1 stop Taipei City Taiwan Taoyuan Intl

$930China Airlines

Sun, Oct 18 - Thu, Nov 5

1:15 am - 11:30 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

18h 15m1 stop Taipei City Taiwan Taoyuan Intl

6:55 pm - 4:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

37h 15m1 stop Taipei City Taiwan Taoyuan Intl

$945STARLUX Airlines

Sat, Sep 12 - Sun, Sep 20

1:15 am - 1:30 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 15m1 stop Taipei City Taiwan Taoyuan Intl

2:30 pm - 4:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

17h 40m1 stop Taipei City Taiwan Taoyuan Intl

$948STARLUX Airlines

Fri, Sep 4 - Sun, Sep 13

1:15 am - 6:05 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

24h 50m1 stop Taipei City Taiwan Taoyuan Intl

6:55 pm - 4:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

37h 15m1 stop Taipei City Taiwan Taoyuan Intl

$968STARLUX Airlines

Sat, Sep 12 - Sun, Sep 20

1:10 am - 6:50 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

25h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:50 am - 6:10 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

23h 20m1 stop Taipei City Taiwan Taoyuan Intl

$990China Airlines

Sat, Oct 31 - Thu, Nov 5

7:16 am - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 29m2 stops San Francisco Incheon Intl

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

14h 00m1 stop Incheon Intl

$1,326Korean Air

Sun, Nov 1 - Thu, Nov 5

7:16 am - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

20h 29m2 stops San Francisco Incheon Intl

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

14h 00m1 stop Incheon Intl

$1,348Korean Air

Sun, Nov 1 - Thu, Nov 5

Cheap last minute flights

Enter your travel dates to find the best prices.

2:10 am - 6:00 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

23h 50m1 stop Taipei City Taiwan Taoyuan Intl

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

16h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,086EVA Air

Sun, Aug 9 - Wed, Aug 26

2:10 am - 6:00 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

23h 50m1 stop Taipei City Taiwan Taoyuan Intl

7:10 pm - 4:07 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

36h 57m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,103Multiple Airlines

Sun, Aug 9 - Wed, Aug 26

1:10 am - 11:35 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

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

16h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,115EVA Air

Sat, Aug 8 - Wed, Aug 26

1:10 am - 11:35 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

7:10 pm - 4:07 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

36h 57m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,141Multiple Airlines

Sat, Aug 8 - Wed, Aug 26

7:03 am - 6:00 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

42h 57m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

7:10 pm - 4:07 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

36h 57m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,342Multiple Airlines

Sun, Aug 9 - Wed, Aug 26

6:36 pm - 6:00 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

31h 24m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

7:10 pm - 4:07 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

36h 57m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,384Multiple Airlines

Mon, Aug 10 - Wed, Aug 26

1:05 pm - 7:45 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

26h 40m1 stop Incheon Intl

8:45 am - 1:37 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

20h 52m1 stop Incheon Intl

$2,167Delta

Sun, Aug 9 - Wed, Aug 26

11:59 pm - 8:45 pmSEA Seattle/Tacoma Intl-PUS Busan Gimhae

28h 46m2 stops Minneapolis St Paul Incheon Intl

8:45 am - 1:37 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

20h 52m1 stop Incheon Intl

$2,213Delta

Sun, Aug 9 - Wed, Aug 26

11:00 pm - 9:30 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

18h 30m2 stops Vancouver Intl Taipei City Taiwan Taoyuan Intl

10:30 am - 9:47 pmPUS Busan Gimhae-SEA Seattle/Tacoma Intl

27h 17m2 stops Taipei City Taiwan Taoyuan Intl Phoenix Sky Harbor Intl

$2,378Multiple Airlines

Sun, Aug 9 - Wed, Aug 26

1:55 am - 6:15 amSEA Seattle/Tacoma Intl-PUS Busan Gimhae

36h 20m1 stop Taipei City Taiwan Taoyuan Intl

10:20 pm - 11:22 amPUS Busan Gimhae-SEA Seattle/Tacoma Intl

53h 02m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$2,500Multiple Airlines

Sun, Aug 9 - Wed, Aug 26

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STARLUX Airlines flights from State of Washington to Busan

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

STARLUX Airlines

Sep 12

SEA1:15 amSeattle/Tacoma Intl

18h 15m

1 stop

PUS11:30 amBusan Gimhae

Sep 20

PUS6:55 pmBusan Gimhae

37h 15m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$945

STARLUX Airlines

Sep 4

SEA1:15 amSeattle/Tacoma Intl

20h 15m

1 stop

PUS1:30 pmBusan Gimhae

Sep 13

PUS2:30 pmBusan Gimhae

17h 40m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$948

STARLUX Airlines

Sep 12

SEA1:15 amSeattle/Tacoma Intl

24h 50m

1 stop

PUS6:05 pmBusan Gimhae

Sep 20

PUS6:55 pmBusan Gimhae

37h 15m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$968

Delta flights from State of Washington to Busan

Our best Delta deals on State of Washington to Busan flight tickets

Delta

Oct 19

SEA7:16 amSeattle/Tacoma Intl

21h 29m

2 stops

PUS8:45 pmBusan Gimhae

Nov 5

PUS10:25 amBusan Gimhae

23h 12m

2 stops

SEA4:37 pmSeattle/Tacoma Intl

$1,310

Delta

Oct 19

SEA7:16 amSeattle/Tacoma Intl

21h 29m

2 stops

PUS8:45 pmBusan Gimhae

Nov 5

PUS10:25 amBusan Gimhae

23h 12m

2 stops

SEA4:37 pmSeattle/Tacoma Intl

$1,353

Delta

Oct 19

SEA7:16 amSeattle/Tacoma Intl

34h 14m

2 stops

PUS9:30 amBusan Gimhae

Nov 5

PUS10:25 amBusan Gimhae

26h 39m

2 stops

SEA8:04 pmSeattle/Tacoma Intl

$1,503

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 10/18

1:15 am-11:15 am

1 stop18h 00m

Busan Gimhae

Thu 11/5

11:50 am-6:10 pm

1 stop23h 20m

$913

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 10/18

1:15 am-9:30 am

1 stop16h 15m

Busan Gimhae

Thu 11/5

11:50 am-6:10 pm

1 stop23h 20m

$926

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Mon 10/19

1:15 am-11:15 am

1 stop18h 00m

Busan Gimhae

Sun 11/1

10:10 am-7:10 pm

1 stop25h 00m

$930

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 10/18

1:15 am-9:30 am

1 stop16h 15m

Busan Gimhae

Thu 11/5

11:50 am-6:10 pm

1 stop23h 20m

$930

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sat 9/12

1:15 am-11:30 am

1 stop18h 15m

Busan Gimhae

Sun 9/20

6:55 pm-4:10 pm

1 stop37h 15m

$945

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Fri 9/4

1:15 am-1:30 pm

1 stop20h 15m

Busan Gimhae

Sun 9/13

2:30 pm-4:10 pm

1 stop17h 40m

$948

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sat 9/12

1:15 am-6:05 pm

1 stop24h 50m

Busan Gimhae

Sun 9/20

6:55 pm-4:10 pm

1 stop37h 15m

$968

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sat 10/31

1:10 am-6:50 pm

1 stop25h 40m

Busan Gimhae

Thu 11/5

11:50 am-6:10 pm

1 stop23h 20m

$990

Quickest round-trip

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 11/1

7:16 am-8:45 pm

2 stops20h 29m

Busan Gimhae

Thu 11/5

12:00 pm-9:00 am

1 stop14h 00m

$1,326

SeattleBusan

SEA Seattle/Tacoma Intl - PUS Busan Gimhae

SEAPUS

Seattle/Tacoma Intl

Sun 11/1

7:16 am-8:45 pm

2 stops20h 29m

Busan Gimhae

Thu 11/5

12:00 pm-9:00 am

1 stop14h 00m

$1,348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Busan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Busan?

The cheapest month to fly to Busan from State of Washington is in July. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Busan during the month of July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $0.

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

Fastest flight time	18h 45m
Direct flights	None

The fastest flight from State of Washington to Busan takes 18h 45m

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 August 2026, there is 1 operator 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
Korean Air	PriceFrom $956	Free Cancellation	Rating 8.4 1,222 reviews		Search Korean Air flights
Delta	PriceFrom $1,948	Free Cancellation	Rating 7.8 8,502 reviews		Search Delta flights

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.