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Busan

$460+ Cheap flights from Washington to Busan (PUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PUS
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap flight deals from Washington to Busan

Cheapest flights from Washington to Busan
Explore the most affordable flight options available from Washington to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.

This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/112:10 am
SEA
-
PUS
1 stop24h 30m
EVA Air
Thu 3/56:55 pm
PUS
-
SEA
1 stop16h 15m
EVA Air
Deal found 2/17$859
This Gurufare deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:30 pm
SEA
-
PUS
1 stop25h 10m
EVA Air
Sat 3/76:55 pm
PUS
-
SEA
1 stop16h 15m
EVA Air
Deal found 2/14$923
This EVA Air deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:30 am
SEA
-
PUS
1 stop25h 30m
EVA Air
Wed 9/97:10 pm
PUS
-
SEA
1 stop16h 30m
EVA Air
Deal found 2/15$952
This Gurufare deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:50 pm
SEA
-
PUS
2 stops30h 50m
Multiple Airlines
Thu 3/56:55 pm
PUS
-
SEA
1 stop16h 15m
Multiple Airlines
Deal found 2/17$963
This Gurufare deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:30 pm
SEA
-
PUS
1 stop25h 10m
EVA Air
Sun 3/86:55 pm
PUS
-
SEA
1 stop16h 15m
EVA Air
Deal found 2/15$966
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:55 am
SEA
-
PUS
1 stop19h 05m
Multiple Airlines
Tue 5/267:30 am
PUS
-
SEA
2 stops39h 39m
Multiple Airlines
Deal found 2/13$971
This China Eastern deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:10 am
SEA
-
PUS
2 stops35h 25m
China Eastern
Thu 3/55:50 pm
PUS
-
SEA
2 stops37h 54m
China Eastern
Deal found 2/17$993
This Trip.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:59 pm
PDX
-
PUS
2 stops32h 01m
Multiple Airlines
Thu 5/217:10 pm
PUS
-
PDX
2 stops19h 54m
Multiple Airlines
Deal found 2/16$995
This Korean Air deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:00 am
SEA
-
PUS
1 stop30h 50m
Korean Air
Sat 2/2112:00 pm
PUS
-
SEA
1 stop14h 00m
Korean Air
Deal found 2/16$997
This Korean Air deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:10 am
SEA
-
PUS
2 stops20h 35m
Korean Air
Sun 3/812:00 pm
PUS
-
SEA
1 stop18h 20m
Korean Air
Deal found 2/15$1,003
This Trip.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:30 pm
SEA
-
PUS
2 stops27h 30m
Multiple Airlines
Sun 8/28:00 pm
PUS
-
SEA
1 stop15h 45m
Multiple Airlines
Deal found 2/16$1,005
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:40 pm
SEA
-
PUS
1 stop37h 35m
Multiple Airlines
Sat 2/216:50 am
PUS
-
SEA
1 stop23h 55m
Multiple Airlines
Deal found 2/16$1,014

Find flight deals from Washington to Busan

Keep the following information in mind while searching for Washington to Busan flight deals. Data was last updated February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$859
(oojo)

One-way from

$502
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,002
Provider with most accurate pricing for Seattle/Tacoma Intl-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Busan Gimhae flights.
Search Deals
From Washington to Busan Gimhae
Search Deals
One-way flight from Washington to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated February 17, 2026.
Use the filters below to find and compare flights from Washington to Busan that are best for you.

Fly from

Washington

Fly to

Busan

Route

Depart

Return

Price

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 3/1

12:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

Thu 3/5

6:55 pm-6:10 pm

1 stop16h 15m

$859

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 2/28

11:30 pm-5:40 pm

1 stop25h 10m

Busan Gimhae

Sat 3/7

6:55 pm-6:10 pm

1 stop16h 15m

$923

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 3/2

5:50 pm-5:40 pm

2 stops30h 50m

Busan Gimhae

Thu 3/5

6:55 pm-6:10 pm

1 stop16h 15m

$963

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 3/3

11:30 pm-5:40 pm

1 stop25h 10m

Busan Gimhae

Sun 3/8

6:55 pm-6:10 pm

1 stop16h 15m

$966

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 5/19

12:55 am-12:00 pm

1 stop19h 05m

Busan Gimhae

Tue 5/26

7:30 am-7:09 am

2 stops39h 39m

$971

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 3/2

7:10 am-11:35 am

2 stops35h 25m

Busan Gimhae

Thu 3/5

5:50 pm-2:44 pm

2 stops37h 54m

$993

PortlandBusan

PDX - PUS

PDXPUS

Portland

Wed 5/13

5:59 pm-6:00 pm

2 stops32h 01m

Busan Gimhae

Thu 5/21

7:10 pm-11:04 pm

2 stops19h 54m

$995

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Tue 3/3

7:10 am-8:45 pm

2 stops20h 35m

Busan Gimhae

Sun 3/8

12:00 pm-1:20 pm

1 stop18h 20m

$1,003

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 6/7

4:30 pm-12:00 pm

2 stops27h 30m

Busan Gimhae

Sun 8/2

8:00 pm-7:45 pm

1 stop15h 45m

$1,005

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 5/12

2:50 pm-6:00 pm

2 stops35h 10m

Busan Gimhae

Wed 5/20

7:10 pm-9:47 am

2 stops30h 37m

$1,035

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 27 results
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Best time to book a flight from Washington to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Busan

What is the cheapest month to book a flight from State of Washington to Busan?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Busan (average of $840). Flying from State of Washington to Busan in December is currently the most expensive (average of $1,994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Busan from Washington?

    Located just 7.2 mi from the city center, Busan Gimhae (PUS) is the airport most travelers will use when flying to Busan from Washington.

  • How long is the flight from State of Washington to Busan?

    There are many flights that can get you from State of Washington to Busan in 20h 12m. Fly via EVA Air or Korean Air to get the fastest option. There are 5294 mi between State of Washington and Busan. This flight may include one or multiple stops.

  • Can I find deals for flights from Washington to Busan that include hotel bookings?

    Yes. In addition to deals on Washington to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Busan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Busan.

  • Can I find deals for business class flights from Washington to Busan?

    Yes. Cheapflights offers flight deals from Washington to Busan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Busan?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Busan (average of $840). Flying from State of Washington to Busan in December is currently the most expensive (average of $1,994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Washington to Busan

Discover the top 3 airlines that operate flights from Washington to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$835Average$953FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$959Average$1,169FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,948Average$1,948FlexibilityNo cancel feeOn-timeN/A

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