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$612+ 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
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Korean Air deal was found by Cheapflights users on 12/10. 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 12/214:10 pmPUS - SEA
1 stop14h 10mKorean Air
Wed 12/3111:30 amSEA - PUS
1 stop27h 40mKorean Air
Deal found 12/10$837
This Delta deal was found by Cheapflights users on 12/11. 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 12/214:10 pmPUS - SEA
1 stop33h 50mDelta
Wed 12/317:13 amSEA - PUS
2 stops34h 37mDelta
Deal found 12/11$1,136
This Delta deal was found by Cheapflights users on 12/10. 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 12/214:10 pmPUS - SEA
2 stops25h 10mDelta
Tue 12/307:13 amSEA - PUS
2 stops20h 32mDelta
Deal found 12/10$1,193
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:10 pmPUS - SEA
2 stops60h 15mMultiple Airlines
Wed 12/312:05 pmSEA - PUS
2 stops32h 05mMultiple Airlines
Deal found 12/10$1,734

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$645
(Air Canada)

One-way from

$612
(FlightHub)

Popular in

October

Cheapest in

May
Provider with most accurate pricing for Busan Gimhae-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Busan Gimhae-Seattle/Tacoma Intl flights.
Search Deals
From Busan Gimhae to Seattle/Tacoma Intl
Search Deals
One-way flight from Busan Gimhae to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($101 potential savings vs. average RT price).
Search Deals

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 December 12, 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

Fri 2/20

7:55 am-2:31 pm

2 stops23h 36m

Seattle/Tacoma Intl

Tue 2/24

5:50 am-8:45 pm

2 stops21h 55m

$645

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Mon 2/2

12:00 pm-1:20 pm

1 stop18h 20m

Seattle/Tacoma Intl

Fri 2/13

11:25 am-3:10 pm

1 stop34h 45m

$837

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 1/25

12:00 pm-1:55 pm

1 stop18h 55m

Seattle/Tacoma Intl

Sat 1/31

12:10 am-8:10 am

1 stop15h 00m

$918

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Wed 2/4

6:55 pm-6:10 pm

1 stop16h 15m

Seattle/Tacoma Intl

Sat 2/7

12:10 am-5:40 pm

1 stop24h 30m

$928

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Wed 2/4

8:55 pm-6:40 pm

1 stop38h 45m

Seattle/Tacoma Intl

Sun 2/8

9:30 pm-7:55 pm

1 stop29h 25m

$989

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Tue 6/9

7:10 pm-7:30 pm

1 stop16h 20m

Seattle/Tacoma Intl

Mon 6/15

1:50 am-6:00 pm

1 stop24h 10m

$999

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 5/22

7:10 pm-7:30 pm

1 stop16h 20m

Seattle/Tacoma Intl

Thu 5/28

12:50 am-6:00 pm

1 stop25h 10m

$999

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Wed 2/4

4:10 pm-6:49 pm

2 stops19h 39m

Seattle/Tacoma Intl

Sun 2/8

11:25 am-8:45 pm

1 stop16h 20m

$1,006

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Mon 2/2

8:20 am-7:15 am

2 stops39h 55m

Seattle/Tacoma Intl

Fri 2/13

11:25 am-7:35 pm

1 stop15h 10m

$1,071

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Fri 3/27

7:45 am-8:10 am

1 stop40h 25m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 11 results
1
2

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 December.
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 December 12, 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
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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 16h 15m. Korean Air provides one of the quickest options available for as low as $928. Busan and Seattle are separated by a distance of 5228 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 15% 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
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Leavenworth
Fife
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Shoreline
Centralia
Federal Way

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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.
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Incheon Intl to Spokane 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$807Average$1,032FlexibilityNo cancel feeOn-time81%

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