What airlines fly to Busan?

Korean Air, China Airlines and Delta are the top three most popular airlines that fly to Busan from State of Washington according to our data. Korean Air is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Busan. Keep in mind that there are 3 different airlines that fly to Busan on a routine basis, so you have a few additional options to choose from.

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 July 2025, there are 4 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.

$867 Cheap Flights from Washington to Busan in 2025

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Find the cheapest flights from Washington to Busan

Round-trip

One-way

Cheap round-trip flights

1:10 am - 7:00 pmSEA-PUS

25h 50m1 stop

8:00 pm - 7:20 pmPUS-SEA

15h 20m1 stop

$867China Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 21

2:15 pm - 5:00 pmSEA-PUS

34h 45m2 stops

5:55 pm - 12:30 pmPUS-SEA

34h 35m2 stops

$913Asiana Airlines

Find Deal

Sat, Sep 6 - Sun, Sep 21

12:50 pm - 7:45 amSEA-PUS

26h 55m1 stop

8:05 am - 10:40 amPUS-SEA

18h 35m1 stop

$921Korean Air

Find Deal

Sun, Sep 14 - Sun, Sep 21

2:15 pm - 5:00 pmSEA-PUS

34h 45m2 stops

2:00 pm - 12:30 pmPUS-SEA

38h 30m2 stops

$928Asiana Airlines

Find Deal

Sun, Sep 14 - Sun, Sep 21

2:30 pm - 5:45 pmSEA-PUS

35h 15m1 stop

8:40 pm - 12:45 pmPUS-SEA

32h 05m1 stop

$929Asiana Airlines

Find Deal

Sat, Aug 23 - Wed, Aug 27

12:35 pm - 7:45 amSEA-PUS

27h 10m1 stop

8:45 am - 1:40 pmPUS-SEA

20h 55m1 stop

$956Delta

Find Deal

Sat, Sep 13 - Sat, Sep 20

3:59 pm - 7:45 amSEA-PUS

23h 46m2 stops

8:00 pm - 10:40 amPUS-SEA

30h 40m1 stop

$958Korean Air

Find Deal

Sat, Sep 6 - Sun, Sep 21

2:30 pm - 8:45 pmSEA-PUS

14h 15m1 stop

10:40 am - 12:45 pmPUS-SEA

18h 05m1 stop

$983

Find Deal

Sat, Aug 23 - Wed, Aug 27

7:20 am - 9:30 amSEA-PUS

34h 10m2 stops

8:45 am - 10:15 pmPUS-SEA

29h 30m2 stops

$1,014Delta

Find Deal

Fri, Sep 12 - Fri, Sep 19

5:30 am - 6:55 amSEA-PUS

33h 25m3 stops

2:20 pm - 7:20 pmPUS-SEA

21h 00m2 stops

$1,082

Find Deal

Sat, Sep 6 - Sun, Sep 21

China Airlines flights from State of Washington to Busan

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

China Airlines

Sep 28

SEA1:10 amSeattle/Tacoma Intl

25h 50m

1 stop

PUS7:00 pmBusan Gimhae

Oct 21

PUS8:00 pmBusan Gimhae

15h 20m

1 stop

SEA7:20 pmSeattle/Tacoma Intl

$867

Find similar

China Airlines

Sep 25

SEA1:10 amSeattle/Tacoma Intl

18h 05m

1 stop

PUS11:15 amBusan Gimhae

Oct 4

PUS12:15 pmBusan Gimhae

23h 05m

1 stop

SEA7:20 pmSeattle/Tacoma Intl

$987

Find similar

China Airlines

Sep 25

SEA1:10 amSeattle/Tacoma Intl

25h 50m

1 stop

PUS7:00 pmBusan Gimhae

Oct 4

PUS12:15 pmBusan Gimhae

23h 05m

1 stop

SEA7:20 pmSeattle/Tacoma Intl

$988

Find similar

Asiana Airlines flights from State of Washington to Busan

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

Asiana Airlines

Sep 6

SEA2:15 pmSeattle/Tacoma Intl

34h 45m

2 stops

PUS5:00 pmBusan Gimhae

Sep 21

PUS5:55 pmBusan Gimhae

34h 35m

2 stops

SEA12:30 pmSeattle/Tacoma Intl

$913

Find similar

Asiana Airlines

Sep 14

SEA2:15 pmSeattle/Tacoma Intl

34h 45m

2 stops

PUS5:00 pmBusan Gimhae

Sep 21

PUS2:00 pmBusan Gimhae

38h 30m

2 stops

SEA12:30 pmSeattle/Tacoma Intl

$928

Find similar

Asiana Airlines

Aug 23

SEA2:30 pmSeattle/Tacoma Intl

35h 15m

1 stop

PUS5:45 pmBusan Gimhae

Aug 27

PUS8:40 pmBusan Gimhae

32h 05m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

$929

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 9/28

1:10 am-7:00 pm

1 stop25h 50m

Busan Gimhae

Tue 10/21

8:00 pm-7:20 pm

1 stop15h 20m

$867

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 9/6

2:15 pm-5:00 pm

2 stops34h 45m

Busan Gimhae

Sun 9/21

5:55 pm-12:30 pm

2 stops34h 35m

$913

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 9/14

12:50 pm-7:45 am

1 stop26h 55m

Busan Gimhae

Sun 9/21

8:05 am-10:40 am

1 stop18h 35m

$921

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 9/14

2:15 pm-5:00 pm

2 stops34h 45m

Busan Gimhae

Sun 9/21

2:00 pm-12:30 pm

2 stops38h 30m

$928

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 8/23

2:30 pm-5:45 pm

1 stop35h 15m

Busan Gimhae

Wed 8/27

8:40 pm-12:45 pm

1 stop32h 05m

$929

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 9/13

12:35 pm-7:45 am

1 stop27h 10m

Busan Gimhae

Sat 9/20

8:45 am-1:40 pm

1 stop20h 55m

$956

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 9/6

3:59 pm-7:45 am

2 stops23h 46m

Busan Gimhae

Sun 9/21

8:00 pm-10:40 am

1 stop30h 40m

$958

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 8/23

2:30 pm-8:45 pm

1 stop14h 15m

Busan Gimhae

Wed 8/27

10:40 am-12:45 pm

1 stop18h 05m

$983

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Fri 9/12

7:20 am-9:30 am

2 stops34h 10m

Busan Gimhae

Fri 9/19

8:45 am-10:15 pm

2 stops29h 30m

$1,014

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 9/6

5:30 am-6:55 am

3 stops33h 25m

Busan Gimhae

Sun 9/21

2:20 pm-7:20 pm

2 stops21h 00m

$1,082

Flights are sorted by cheapest round-trip flights first.

Sorted 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 March. Flight prices, which tend to average around $953, 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 March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,142.

What is the cheapest day to depart on your flight to Busan?

Our data shows that Tuesday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $1,471. Flights from State of Washington to Busan on a Saturday will generally be more expensive and average around $1,760. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Busan?

In the evening is the cheapest time of day to fly from State of Washington to Busan when you can find flight prices for as low as $950. Flying to Busan in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Busan, so prices are often more expensive at around $1,556 per ticket.

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	$867
Fastest flight time	14h 15m
Direct flights	None
Airports in Busan	1 airport

The best flight deal from State of Washington to Busan found on momondo in the last 72 hours is $867

The fastest flight from State of Washington to Busan takes 14h 15m

There are no direct flights from State of Washington to Busan. Popular non-direct routes for this connection are Portland Airport - Busan Gimhae Airport and Seattle/Tacoma Intl Airport - Busan Gimhae Airport.

There is 1 airport near Busan: Busan Gimhae (PUS)

Search flight deals

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 July 2025, there are 4 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 $835	Free Cancellation	Rating 8.3 754 reviews	Search China Airlines flights
Korean Air	PriceFrom $1,092	Free Cancellation	Rating 8.4 1,121 reviews	Search Korean Air flights
Delta	PriceFrom $1,265	Free Cancellation	Rating 8.0 7,981 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.