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$426+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — SEA
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
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 July 18, 2025.

Round-trip from

$629
(SmartFares)

One-way from

$426
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$976
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. 3% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 18, 2025.

This SmartFares deal was found by Cheapflights users on 7/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/12:00 pmPUS - SEA
2 stops38h 30mAsiana Airlines
Mon 9/82:15 pmSEA - PUS
2 stops34h 45mAsiana Airlines
Deal found 7/17$629
This Orbitz deal was found by Cheapflights users on 7/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:00 pmPUS - SEA
1 stop18h 55mMultiple Airlines
Tue 12/3012:10 amSEA - PUS
1 stop27h 35mMultiple Airlines
Deal found 7/16$637
This WhyPayMore deal was found by Cheapflights users on 7/16. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amPUS - SEA
1 stop19h 00mKorean Air
Tue 12/211:00 amSEA - PUS
1 stop16h 45mKorean Air
Deal found 7/16$656
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:10 pmPUS - SEA
1 stop14h 10mDelta
Tue 12/3011:00 amSEA - PUS
1 stop15h 25mDelta
Deal found 7/16$708

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 July 18, 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

Mon 9/1

2:00 pm-12:30 pm

2 stops38h 30m

Seattle/Tacoma Intl

Mon 9/8

2:15 pm-5:00 pm

2 stops34h 45m

$629

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 12/21

12:00 pm-1:55 pm

1 stop18h 55m

Seattle/Tacoma Intl

Tue 12/30

12:10 am-8:45 pm

1 stop27h 35m

$637

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Wed 11/12

7:00 am-9:00 am

1 stop19h 00m

Seattle/Tacoma Intl

Tue 12/2

11:00 am-8:45 pm

1 stop16h 45m

$656

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 12/21

4:10 pm-1:20 pm

1 stop14h 10m

Seattle/Tacoma Intl

Tue 12/30

11:00 am-7:25 pm

1 stop15h 25m

$708

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Tue 9/2

9:35 pm-4:10 pm

2 stops34h 35m

$426

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sat 12/13

7:50 pm-6:10 pm

1 stop15h 20m

$524

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 8/31

10:00 am-12:45 pm

2 stops18h 45m

$534

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Sun 8/31

4:30 pm-10:40 am

1 stop34h 10m

$766

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Mon 1/5

7:00 am-11:25 am

2 stops45h 25m

$1,465

BusanSeattle

PUS - SEA

PUSSEA

Busan Gimhae

Thu 7/24

12:30 pm-10:35 am

1 stop14h 05m

$2,241

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Busan to Seattle?

Currently, January is the cheapest month in which you can book a flight from Busan to Seattle (average of $238). Flying from Busan to Seattle in June is currently the most expensive (average of $388). 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.

How much does it cost to fly round-trip from Busan to Seattle?

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 July 18, 2025.
Peruse reviews from past customers who have flown with Korean Air, Japan Airlines, and China Airlines 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
1,109 reviews

Crew

8.7

Comfort

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,109 reviews
Korean Air
8.4
Very good
1,109 reviews

Crew

8.7

Comfort

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Japan Airlines
8.3
Very good
1,514 reviews
Korean Air
8.4
Very good
1,109 reviews

Crew

8.7

Comfort

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Airlines
8.2
Very good
745 reviews
Korean Air
8.4
Very good
1,109 reviews

Crew

8.7

Comfort

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very good
456 reviews
Korean Air
8.4
Very good
1,109 reviews

Crew

8.7

Comfort

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,959 reviews
Korean Air
8.4
Very good
1,109 reviews

Crew

8.7

Comfort

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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.

  • What are the cheapest airlines flying from Busan to Seattle round-trip?

    Our cheapest airline available from Busan to Seattle is Asiana Airlines. Our recent data shows that you can find tickets from as low as $629 on this airline. Additional options worth looking into are Korean Air and Delta, starting at $656 and $708 round-trip. Asiana Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Busan to Seattle one-way?

    One-way options have recently been found by users for as low as $524 on China Airlines. Other airlines that offer cheap prices include Asiana Airlines from $534 and Korean Air from $766 one-way.

  • 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.

  • What is the cheapest month to book a flight from Busan to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Busan to Seattle (average of $238). Flying from Busan to Seattle in June is currently the most expensive (average of $388). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Cle Elum
Shoreline
Kent
Chehalis
Kirkland
Aberdeen
Federal Way
Shelton
Silverdale

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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
Busan to Portland flights
Gimpo Intl to Portland flights
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 July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$807Average$976FlexibilityNo cancel feeOn-time81%

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