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Busan

$380+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PUS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Washington to Busan

Keep the following information in mind while searching for Washington to Busan flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$864
(Kiwi.com)

One-way from

$380
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,080
Provider with most accurate pricing for Seattle/Tacoma Intl-Busan Gimhae flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Busan Gimhae flights.
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From Washington to Busan Gimhae
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One-way flight from Washington to Busan Gimhae
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Highest demand for flights based on searches. 7% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/37:00 amSEA - PUS
2 stops36h 10mMultiple Airlines
Wed 12/108:20 amPUS - SEA
1 stop19h 30mMultiple Airlines
Deal found 11/4$864
This FlightHub deal was found by Cheapflights users on 11/4. 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 12/212:10 amSEA - PUS
1 stop22h 05mAsiana Airlines
Wed 12/108:30 pmPUS - SEA
1 stop34h 25mAsiana Airlines
Deal found 11/4$947
This Delta deal was found by Cheapflights users on 11/5. 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 11/2411:15 amSEA - PUS
1 stop34h 55mDelta
Fri 11/287:55 amPUS - SEA
1 stop22h 25mDelta
Deal found 11/5$978
This Delta deal was found by Cheapflights users on 11/6. 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 11/2211:15 amSEA - PUS
1 stop27h 55mDelta
Sat 12/67:00 amPUS - SEA
1 stop23h 20mDelta
Deal found 11/6$980
This Korean Air deal was found by Cheapflights users on 11/6. 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.
Sat 11/2211:15 amSEA - PUS
1 stop34h 55mKorean Air
Sat 12/612:00 pmPUS - SEA
1 stop18h 20mKorean Air
Deal found 11/6$983
This Delta deal was found by Cheapflights users on 11/4. 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 12/37:10 amSEA - PUS
2 stops32h 00mDelta
Wed 12/1012:00 pmPUS - SEA
2 stops24h 00mDelta
Deal found 11/4$994
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Sat 11/2211:30 pmSEA - PUS
1 stop27h 30mMultiple Airlines
Sat 12/66:50 amPUS - SEA
2 stops30h 48mMultiple Airlines
Deal found 11/6$1,038
This Asiana Airlines deal was found by Cheapflights users on 11/5. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:10 amSEA - PUS
1 stop16h 55mAsiana Airlines
Fri 11/288:30 pmPUS - SEA
1 stop34h 25mAsiana Airlines
Deal found 11/5$1,203
This Delta deal was found by Cheapflights users on 11/5. 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 11/125:30 amPDX - PUS
2 stops36h 20mDelta
Fri 11/2110:25 amPUS - PDX
2 stops22h 57mDelta
Deal found 11/5$1,331

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 November 6, 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

Tue 12/2

12:10 am-10:05 am

1 stop16h 55m

Busan Gimhae

Wed 12/10

7:20 am-7:16 pm

2 stops28h 56m

$908

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sun 4/19

12:45 pm-7:35 pm

1 stop14h 50m

Busan Gimhae

Wed 4/22

10:40 am-2:00 pm

1 stop19h 20m

$980

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Mon 1/5

11:25 am-8:45 pm

1 stop16h 20m

Busan Gimhae

Fri 1/16

12:00 pm-1:20 pm

1 stop18h 20m

$980

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 3/14

12:00 pm-10:50 am

1 stop30h 50m

Busan Gimhae

Wed 3/25

12:00 pm-10:00 am

1 stop14h 00m

$980

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Sat 11/22

11:15 am-3:10 pm

1 stop34h 55m

Busan Gimhae

Sat 12/6

12:00 pm-1:20 pm

1 stop18h 20m

$983

SeattleBusan

SEA - PUS

SEAPUS

Seattle/Tacoma Intl

Wed 12/3

7:10 am-8:10 am

2 stops32h 00m

Busan Gimhae

Wed 12/10

12:00 pm-7:00 pm

2 stops24h 00m

$994

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 4/18

6:30 am-11:35 am

2 stops37h 05m

Busan Gimhae

Wed 4/22

12:35 pm-4:10 pm

2 stops43h 35m

$1,118

PortlandBusan

PDX - PUS

PDXPUS

Portland

Mon 2/2

7:10 am-8:45 pm

2 stops20h 35m

Busan Gimhae

Fri 2/27

4:10 pm-6:16 pm

2 stops19h 06m

$1,320

PortlandBusan

PDX - PUS

PDXPUS

Portland

Sat 4/18

9:40 am-8:45 pm

2 stops19h 05m

Busan Gimhae

Wed 4/22

4:30 pm-11:53 pm

2 stops23h 23m

$1,359

PortlandBusan

PDX - PUS

PDXPUS

Portland

Tue 1/6

7:10 am-8:45 pm

2 stops20h 35m

Busan Gimhae

Fri 1/16

12:00 pm-4:30 pm

2 stops21h 30m

$4,714

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 36 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 June is currently the most expensive (average of $1,740). 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.

What is the cheapest time of day to fly from WA to PUS?

Find hourly flight availability from Washington to Busan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

One of the essential ways to save on airfare from State of Washington to Busan is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 63% on airfare.

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 14h 50m. Fly via Delta, China Eastern, or Korean Air 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 June is currently the most expensive (average of $1,740). 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 November 6, 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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