Cheap flights from Washington to Busan from $434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Busan departing on 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
China Airlines Logo
1:55 am - 9:30 am
SEA
-
PUS
15h 35m
1 stop
China Airlines Logo
12:15 pm - 7:45 pm
PUS
-
SEA
23h 30m
1 stop
$943China Airlines
Mon, Aug 17 - Sun, Aug 30
China Airlines Logo
1:55 am - 9:30 am
SEA
-
PUS
15h 35m
1 stop
China Airlines Logo
10:30 am - 7:15 pm
PUS
-
SEA
24h 45m
1 stop
$954China Airlines
Thu, Aug 27 - Sat, Sep 19
Korean Air Logo
12:50 pm - 4:35 pm
SEA
-
PUS
35h 45m
1 stop
Korean Air Logo
10:40 am - 10:40 am
PUS
-
SEA
16h 00m
1 stop
$959Korean Air
Wed, Apr 29 - Wed, May 6
Korean Air Logo
8:31 am - 7:35 pm
SEA
-
PUS
19h 04m
2 stops
Korean Air Logo
10:40 am - 10:40 am
PUS
-
SEA
16h 00m
1 stop
$961Korean Air
Wed, Apr 29 - Wed, May 6
Korean Air Logo
8:31 am - 7:35 pm
SEA
-
PUS
19h 04m
2 stops
Korean Air Logo
4:30 pm - 8:50 pm
PUS
-
SEA
20h 20m
2 stops
$962Korean Air
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
2:10 am - 6:00 pm
SEA
-
PUS
23h 50m
1 stop
Multiple Airlines Logo
7:10 pm - 9:07 pm
PUS
-
SEA
41h 57m
2 stops
$974Multiple Airlines
Mon, Aug 17 - Sun, Aug 30
China Airlines Logo
1:55 am - 9:30 am
SEA
-
PUS
15h 35m
1 stop
China Airlines Logo
12:15 pm - 7:15 pm
PUS
-
SEA
23h 00m
1 stop
$975China Airlines
Thu, Aug 27 - Sat, Sep 19
STARLUX Airlines Logo
1:15 am - 5:55 pm
SEA
-
PUS
24h 40m
1 stop
STARLUX Airlines Logo
6:55 pm - 4:35 pm
PUS
-
SEA
37h 40m
1 stop
$993STARLUX Airlines
Wed, Aug 19 - Sun, Aug 30
EVA Air Logo
2:10 am - 6:00 pm
SEA
-
PUS
23h 50m
1 stop
EVA Air Logo
7:10 pm - 7:50 pm
PUS
-
SEA
16h 40m
1 stop
$995EVA Air
Wed, Aug 19 - Mon, Aug 31
Korean Air Logo
12:50 pm - 9:30 am
SEA
-
PUS
28h 40m
1 stop
Korean Air Logo
7:00 am - 1:07 pm
PUS
-
SEA
22h 07m
1 stop
$1,010Korean Air
Thu, Apr 23 - Mon, Apr 27

China Airlines flights from State of Washington to Busan

Our best China Airlines deals on State of Washington to Busan flight tickets
China Airlines
Aug 17
SEA1:55 amSeattle/Tacoma Intl
15h 35m
1 stop
PUS9:30 amBusan Gimhae
Aug 30
PUS12:15 pmBusan Gimhae
23h 30m
1 stop
SEA7:45 pmSeattle/Tacoma Intl
$943
China Airlines
Aug 27
SEA1:55 amSeattle/Tacoma Intl
15h 35m
1 stop
PUS9:30 amBusan Gimhae
Sep 19
PUS10:30 amBusan Gimhae
24h 45m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
$954
China Airlines
Aug 27
SEA1:55 amSeattle/Tacoma Intl
15h 35m
1 stop
PUS9:30 amBusan Gimhae
Sep 19
PUS12:15 pmBusan Gimhae
23h 00m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
$975

Delta flights from State of Washington to Busan

Our best Delta deals on State of Washington to Busan flight tickets
Delta
Aug 18
SEA7:20 amSeattle/Tacoma Intl
20h 15m
2 stops
PUS7:35 pmBusan Gimhae
Aug 30
PUS4:30 pmBusan Gimhae
21h 21m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$1,107
Delta
Jul 22
SEA1:05 pmSeattle/Tacoma Intl
15h 40m
1 stop
PUS8:45 pmBusan Gimhae
Sep 2
PUS4:30 pmBusan Gimhae
13h 07m
1 stop
SEA1:37 pmSeattle/Tacoma Intl
$1,142
Delta
Jul 22
SEA1:20 pmSeattle/Tacoma Intl
26h 25m
1 stop
PUS7:45 amBusan Gimhae
Sep 2
PUS4:30 pmBusan Gimhae
21h 21m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$1,152

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Washington to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 8/17

1:55 am-9:30 am

1 stop15h 35m

Busan Gimhae

Sun 8/30

12:15 pm-7:45 pm

1 stop23h 30m

$943

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 8/27

1:55 am-9:30 am

1 stop15h 35m

Busan Gimhae

Sat 9/19

10:30 am-7:15 pm

1 stop24h 45m

$954

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/29

12:50 pm-4:35 pm

1 stop35h 45m

Busan Gimhae

Wed 5/6

10:40 am-10:40 am

1 stop16h 00m

$959
Quickest round-trip

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/29

8:31 am-7:35 pm

2 stops19h 04m

Busan Gimhae

Wed 5/6

10:40 am-10:40 am

1 stop16h 00m

$961

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 4/29

8:31 am-7:35 pm

2 stops19h 04m

Busan Gimhae

Wed 5/6

4:30 pm-8:50 pm

2 stops20h 20m

$962

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 8/17

2:10 am-6:00 pm

1 stop23h 50m

Busan Gimhae

Sun 8/30

7:10 pm-9:07 pm

2 stops41h 57m

$974

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 8/27

1:55 am-9:30 am

1 stop15h 35m

Busan Gimhae

Sat 9/19

12:15 pm-7:15 pm

1 stop23h 00m

$975

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 8/19

1:15 am-5:55 pm

1 stop24h 40m

Busan Gimhae

Sun 8/30

6:55 pm-4:35 pm

1 stop37h 40m

$993

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 8/19

2:10 am-6:00 pm

1 stop23h 50m

Busan Gimhae

Mon 8/31

7:10 pm-7:50 pm

1 stop16h 40m

$995

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Thu 4/23

12:50 pm-9:30 am

1 stop28h 40m

Busan Gimhae

Mon 4/27

7:00 am-1:07 pm

1 stop22h 07m

$1,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Busan from

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

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 $892, 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 January is also cheap. Prices for this month can be found on momondo for an average of $995.

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 35m

Direct flights

None
The fastest flight from State of Washington to Busan takes 14h 35m
There are no direct flights from State of Washington to Busan. There are no popular flight routes from State of 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?

  • 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 AirPriceFrom $959Free CancellationRating
8.4
1,202 reviews
Search Korean Air flights
DeltaPriceFrom $1,948Free CancellationRating
7.9
8,288 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.

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1 adult
Thu 4/16
Thu 4/23

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