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

Korean Air and Delta are the most popular carriers 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 May 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.

$488 Cheap Flights from Washington to Busan in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

12:10 am - 10:10 am

SEA

PUS

18h 00m

1 stop

3:00 pm - 3:45 pm

PUS

SEA

16h 45m

1 stop

$972Asiana Airlines

Mon, Jul 20 - Mon, Aug 31

12:10 am - 10:10 am

SEA

PUS

18h 00m

1 stop

8:20 pm - 3:45 pm

PUS

SEA

35h 25m

1 stop

$1,005Asiana Airlines

Sun, Jul 19 - Sun, Aug 30

1:15 am - 9:30 am

SEA

PUS

16h 15m

1 stop

11:50 am - 6:10 pm

PUS

SEA

23h 20m

1 stop

$1,079China Airlines

Sun, Oct 18 - Thu, Nov 5

1:15 am - 9:30 am

SEA

PUS

16h 15m

1 stop

11:50 am - 6:10 pm

PUS

SEA

23h 20m

1 stop

$1,080China Airlines

Sun, Oct 18 - Thu, Nov 5

1:05 pm - 8:45 pm

SEA

PUS

15h 40m

1 stop

10:40 am - 1:37 pm

PUS

SEA

18h 57m

1 stop

$1,096Delta

Thu, Jul 23 - Tue, Sep 1

12:10 am - 7:55 pm

SEA

PUS

27h 45m

2 stops

2:05 pm - 8:00 am

PUS

SEA

34h 55m

2 stops

$1,098Multiple Airlines

Sun, Oct 11 - Mon, Nov 2

1:20 pm - 8:05 am

SEA

PUS

26h 45m

1 stop

10:40 am - 1:37 pm

PUS

SEA

18h 57m

1 stop

$1,100Korean Air

Fri, Jul 24 - Tue, Sep 1

1:20 pm - 7:35 pm

SEA

PUS

14h 15m

1 stop

7:00 am - 11:00 am

PUS

SEA

20h 00m

1 stop

$1,101Korean Air

Thu, Jul 23 - Sun, Aug 30

1:20 pm - 9:30 am

SEA

PUS

28h 10m

1 stop

8:45 am - 3:24 pm

PUS

SEA

22h 39m

2 stops

$1,107Delta

Wed, Jul 22 - Mon, Aug 31

7:00 am - 6:00 pm

PDX

PUS

43h 00m

2 stops

7:10 pm - 11:30 pm

PUS

PDX

20h 20m

2 stops

$1,770Multiple Airlines

Thu, Jun 25 - Thu, Jul 2

China Airlines flights from State of Washington to Busan

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

China Airlines

Oct 18

SEA1:15 amSeattle/Tacoma Intl

16h 15m

1 stop

PUS9:30 amBusan Gimhae

Nov 5

PUS11:50 amBusan Gimhae

23h 20m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$1,079

China Airlines

Oct 18

SEA1:15 amSeattle/Tacoma Intl

16h 15m

1 stop

PUS9:30 amBusan Gimhae

Nov 5

PUS11:50 amBusan Gimhae

23h 20m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$1,080

China Airlines

Aug 22

SEA1:55 amSeattle/Tacoma Intl

15h 35m

1 stop

PUS9:30 amBusan Gimhae

Aug 30

PUS10:30 amBusan Gimhae

25h 15m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

$1,180

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 6

SEA1:15 amSeattle/Tacoma Intl

24h 40m

1 stop

PUS5:55 pmBusan Gimhae

Sep 9

PUS12:30 pmBusan Gimhae

19h 40m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$1,146

STARLUX Airlines

Sep 6

SEA1:15 amSeattle/Tacoma Intl

24h 40m

1 stop

PUS5:55 pmBusan Gimhae

Sep 9

PUS12:30 pmBusan Gimhae

19h 40m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$1,147

STARLUX Airlines

Sep 22

SEA1:15 amSeattle/Tacoma Intl

24h 40m

1 stop

PUS5:55 pmBusan Gimhae

Oct 15

PUS6:55 pmBusan Gimhae

37h 15m

1 stop

SEA4:10 pmSeattle/Tacoma Intl

$1,226

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 7/20

12:10 am-10:10 am

1 stop18h 00m

Busan Gimhae

Mon 8/31

3:00 pm-3:45 pm

1 stop16h 45m

$972

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 7/19

12:10 am-10:10 am

1 stop18h 00m

Busan Gimhae

Sun 8/30

8:20 pm-3:45 pm

1 stop35h 25m

$1,005

SeattleBusan

SEA - PUS

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

$1,079

SeattleBusan

SEA - PUS

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

$1,080

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 7/23

1:05 pm-8:45 pm

1 stop15h 40m

Busan Gimhae

Tue 9/1

10:40 am-1:37 pm

1 stop18h 57m

$1,096

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 10/11

12:10 am-7:55 pm

2 stops27h 45m

Busan Gimhae

Mon 11/2

2:05 pm-8:00 am

2 stops34h 55m

$1,098

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Fri 7/24

1:20 pm-8:05 am

1 stop26h 45m

Busan Gimhae

Tue 9/1

10:40 am-1:37 pm

1 stop18h 57m

$1,100

Quickest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 7/23

1:20 pm-7:35 pm

1 stop14h 15m

Busan Gimhae

Sun 8/30

7:00 am-11:00 am

1 stop20h 00m

$1,101

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 7/22

1:20 pm-9:30 am

1 stop28h 10m

Busan Gimhae

Mon 8/31

8:45 am-3:24 pm

2 stops22h 39m

$1,107

PortlandBusan

PDX - PUS

PDXPUS

Portland

Thu 6/25

7:00 am-6:00 pm

2 stops43h 00m

Busan Gimhae

Thu 7/2

7:10 pm-11:30 pm

2 stops20h 20m

$1,770

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 August. Flight prices, which tend to average around $835, 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 August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $855.

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	14h 30m
Direct flights	None

The fastest flight from State of Washington to Busan takes 14h 30m

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 May 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 $959	Free Cancellation	Rating 8.4 1,217 reviews		Search Korean Air flights
Delta	PriceFrom $1,948	Free Cancellation	Rating 7.9 8,454 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.