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Busan

$515+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PUS
Jan 28 — Feb 41
Wed 1/28
Wed 2/4
1 adult, Economy
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Cheap flight deals from Washington to Busan

Best flights from Washington to Busan
Discover carefully curated flight deals from Washington to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 29, 2025.

This EVA Air deal was found by Cheapflights users on 12/28. 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.
Sun 3/151:10 amSEA - PUS
1 stop24h 30mEVA Air
Wed 3/252:55 pmPUS - SEA
1 stop20h 15mEVA Air
Deal found 12/28$911
This oojo deal was found by Cheapflights users on 12/28. 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.
Wed 2/113:45 pmSEA - PUS
2 stops36h 00mKorean Air
Wed 2/187:55 amPUS - SEA
2 stops23h 00mKorean Air
Deal found 12/28$964
This FlightHub deal was found by Cheapflights users on 12/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1612:10 amSEA - PUS
1 stop20h 25mAsiana Airlines
Mon 1/194:00 pmPUS - SEA
1 stop14h 55mAsiana Airlines
Deal found 12/29$977
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:25 amSEA - PUS
1 stop27h 45mDelta
Wed 2/187:00 amPUS - SEA
1 stop23h 20mDelta
Deal found 12/28$993
This China Airlines deal was found by Cheapflights users on 12/28. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:15 amSEA - PUS
1 stop16h 15mMultiple Airlines
Wed 6/1012:15 pmPUS - SEA
2 stops26h 15mMultiple Airlines
Deal found 12/28$1,073
This FlightHub deal was found by Cheapflights users on 12/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/66:30 amPDX - PUS
2 stops36h 05mChina Eastern
Tue 1/205:50 pmPUS - PDX
2 stops39h 35mChina Eastern
Deal found 12/27$1,241
This oojo deal was found by Cheapflights users on 12/29. 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.
Sat 1/1011:30 pmSEA - PUS
1 stop25h 10mEVA Air
Sun 1/256:55 pmPUS - SEA
1 stop16h 15mEVA Air
Deal found 12/29$934
This Delta deal was found by Cheapflights users on 12/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:24 amSEA - PUS
2 stops32h 46mDelta
Wed 3/254:10 pmPUS - SEA
1 stop33h 50mDelta
Deal found 12/28$997
This Trip.com deal was found by Cheapflights users on 12/28. 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.
Mon 5/181:50 amSEA - PUS
1 stop24h 10mEVA Air
Wed 6/107:10 pmPUS - SEA
1 stop16h 20mEVA Air
Deal found 12/28$946
This Expedia deal was found by Cheapflights users on 12/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:51 pmPDX - PUS
2 stops21h 19mMultiple Airlines
Tue 2/174:10 pmPUS - PDX
2 stops21h 24mMultiple Airlines
Deal found 12/26$1,073
This Delta deal was found by Cheapflights users on 12/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/107:15 amSEA - PUS
2 stops31h 55mDelta
Sun 1/2512:00 pmPUS - SEA
1 stop14h 00mDelta
Deal found 12/29$997
This Korean Air deal was found by Cheapflights users on 12/29. 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 1/77:10 amPDX - PUS
2 stops19h 25mKorean Air
Sat 2/74:10 pmPUS - PDX
2 stops17h 20mKorean Air
Deal found 12/29$1,295

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 December 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$858
(oojo)

One-way from

$515
(Delta)

Popular in

December

Cheapest in

August

Average price

$1,994
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. 10% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 29, 2025.
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 3/15

1:10 am-5:40 pm

1 stop24h 30m

Busan Gimhae

Wed 3/25

2:55 pm-7:10 pm

1 stop20h 15m

$911

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 1/10

11:30 pm-5:40 pm

1 stop25h 10m

Busan Gimhae

Sun 1/25

6:55 pm-6:10 pm

1 stop16h 15m

$934

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 5/18

1:50 am-6:00 pm

1 stop24h 10m

Busan Gimhae

Wed 6/10

7:10 pm-7:30 pm

1 stop16h 20m

$946

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 2/11

3:45 pm-8:45 pm

2 stops36h 00m

Busan Gimhae

Wed 2/18

7:55 am-1:55 pm

2 stops23h 00m

$964

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Fri 1/16

12:10 am-1:35 pm

1 stop20h 25m

Busan Gimhae

Mon 1/19

4:00 pm-1:55 pm

1 stop14h 55m

$977

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 2/11

11:25 am-8:10 am

1 stop27h 45m

Busan Gimhae

Wed 2/18

7:00 am-1:20 pm

1 stop23h 20m

$993

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 3/16

7:24 am-8:10 am

2 stops32h 46m

Busan Gimhae

Wed 3/25

4:10 pm-10:00 am

1 stop33h 50m

$997

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 1/10

7:15 am-8:10 am

2 stops31h 55m

Busan Gimhae

Sun 1/25

12:00 pm-9:00 am

1 stop14h 00m

$997

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 5/18

1:15 am-9:30 am

1 stop16h 15m

Busan Gimhae

Wed 6/10

12:15 pm-10:30 pm

2 stops26h 15m

$1,073

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 2/10

5:51 pm-8:10 am

2 stops21h 19m

Busan Gimhae

Tue 2/17

4:10 pm-8:34 pm

2 stops21h 24m

$1,073

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 13 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 24h 30m. Fly via EVA Air, Korean Air, or China Eastern to get the fastest option. There are 5228 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 December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$835Average$980FlexibilityNo cancel feeOn-time70%
DeltaCheapest$956Average$1,670FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$959Average$1,269FlexibilityNo cancel feeOn-time81%

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