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$557+ Cheap flights from Busan (PUS) to Seattle (SEA)

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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Busan to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$698
(Gotogate)

One-way from

$557
(oojo)

Popular in

October

Cheapest in

September

Average price

$2,685
Provider with most accurate pricing for Busan Gimhae-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Busan Gimhae-Seattle/Tacoma Intl flights.
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From Busan Gimhae to Seattle/Tacoma Intl
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One-way flight from Busan Gimhae to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 21% potential increase in price ($288 potential increase over avg. RT price).
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Cheapest flight prices on average. 17% potential price decrease ($160 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Busan to Seattle

Cheapest flights from Busan to Seattle
Explore the most affordable flight options available from Busan to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:00 pmPUS - SEA
1 stop14h 00mKorean Air
Mon 11/2411:00 amSEA - PUS
1 stop15h 35mKorean Air
Deal found 10/25$698
This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:10 pmPUS - SEA
1 stop33h 50mKorean Air
Tue 12/3011:00 amSEA - PUS
1 stop15h 35mKorean Air
Deal found 10/27$699
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:15 pmPUS - SEA
1 stop13h 45mKorean Air
Sat 11/2911:00 amSEA - PUS
1 stop35h 10mKorean Air
Deal found 10/28$700
This Korean Air deal was found by Cheapflights users on 10/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:00 pmPUS - SEA
1 stop18h 20mKorean Air
Tue 12/3011:00 amSEA - PUS
1 stop28h 10mKorean Air
Deal found 10/28$721
This YBTour deal was found by Cheapflights users on 10/27. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:30 pmPUS - SEA
1 stop34h 25mMultiple Airlines
Sat 1/312:10 amSEA - PUS
1 stop27h 35mMultiple Airlines
Deal found 10/27$722
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:45 pmPUS - SEA
1 stop18h 00mMultiple Airlines
Thu 12/251:40 pmSEA - PUS
1 stop25h 55mMultiple Airlines
Deal found 10/28$786
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:00 amPUS - SEA
1 stop22h 55mMultiple Airlines
Sat 11/2911:10 pmSEA - PUS
2 stops44h 50mMultiple Airlines
Deal found 10/26$816
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:00 amPUS - SEA
1 stop19h 00mDelta
Wed 12/317:13 amSEA - PUS
2 stops34h 37mDelta
Deal found 10/27$825
This Delta deal was found by Cheapflights users on 10/28. 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.
Sun 12/217:00 amPUS - SEA
1 stop23h 20mDelta
Tue 12/3010:15 pmSEA - PUS
2 stops29h 30mDelta
Deal found 10/28$829

Cheapflights Fare Finder

 
Customize your flight search to find flights from Busan to Seattle 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 October 28, 2025.
Use the filters below to find and compare flights from Busan to Seattle that are best for you.

Fly from

Busan

Fly to

Seattle

Route

Depart

Return

Price

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Wed 11/19

12:00 pm-9:00 am

1 stop14h 00m

Seattle/Tacoma Intl

Mon 11/24

11:00 am-7:35 pm

1 stop15h 35m

$698

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 11/21

12:15 pm-9:00 am

1 stop13h 45m

Seattle/Tacoma Intl

Sat 11/29

11:00 am-3:10 pm

1 stop35h 10m

$700

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 12/21

7:55 am-1:20 pm

1 stop22h 25m

Seattle/Tacoma Intl

Tue 12/30

11:30 am-10:50 am

1 stop30h 20m

$721

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Thu 11/13

7:55 am-9:00 am

1 stop18h 05m

Seattle/Tacoma Intl

Sat 11/29

11:00 am-3:10 pm

1 stop35h 10m

$721

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 12/21

4:10 pm-9:00 am

1 stop33h 50m

Seattle/Tacoma Intl

Wed 12/31

11:00 am-3:10 pm

1 stop35h 10m

$721

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 12/28

8:30 pm-1:55 pm

1 stop34h 25m

Seattle/Tacoma Intl

Sat 1/3

12:10 am-8:45 pm

1 stop27h 35m

$722

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 4/17

10:40 am-10:40 am

1 stop16h 00m

Seattle/Tacoma Intl

Tue 4/21

5:10 pm-7:35 pm

2 stops34h 25m

$779

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sat 12/20

12:45 pm-1:45 pm

1 stop18h 00m

Seattle/Tacoma Intl

Thu 12/25

1:40 pm-8:35 am

1 stop25h 55m

$786

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 3/27

6:55 pm-7:10 pm

1 stop16h 15m

$557

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 3/27

7:30 am-2:55 pm

2 stops23h 25m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 12 results
1
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Compare providers for flights from Busan to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Busan to Seattle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Busan-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Busan-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Busan-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Busan-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Busan-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Busan to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Busan 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 28, 2025.
Peruse reviews from past customers who have flown with Korean Air from Busan to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,153 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,153 reviews
Korean Air
8.4
Very good
1,153 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

  • How long is the flight from Busan to Seattle?

    A quick flight from Busan to Seattle can take about 14h. Korean Air provides one of the quickest options available for as low as $698. Busan and Seattle are separated by a distance of 5228 mi.

  • What is the cheapest airline to fly from Busan to Seattle round-trip?

    Our cheapest airline available from Busan to Seattle is Korean Air. Our recent data shows that you can find tickets from as low as $807 on this airline. Korean Air is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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Alternative routes for Busan to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Seattle flights
Incheon Intl to Portland flights
Incheon Intl to Spokane flights
Gimpo Intl to Portland flights
Busan to Portland flights

Top airline flying from Busan to Seattle

Discover the top airline that operate flights from Busan to Seattle. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$807Average$1,032FlexibilityNo cancel feeOn-time81%

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