$450 Cheap Flights from Seattle (SEA) to Busan (PUS)

View $450 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Gimhae Airport (PUS)

Cheap Flights from Seattle to Busan (SEA-PUS)

Prices were available within the past 7 days and start at $450 for one-way flights and $909 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 14 - Fri, Feb 27
SEA
Seattle
PUS
Busan
$909 Roundtrip, found 1 day ago
$909
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 14 from Seattle to Busan, returning Fri, Feb 27, priced at $909 found 1 day ago
Delta
Thu, Apr 2 - Sun, Apr 12
SEA
Seattle
PUS
Busan
$910 Roundtrip, found 2 days ago
$910
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Apr 2 from Seattle to Busan, returning Sun, Apr 12, priced at $910 found 2 days ago
Korean Air
Sun, Dec 7 - Sun, Dec 14
SEA
Seattle
PUS
Busan
$912 Roundtrip, found 6 days ago
$912
Roundtrip
found 6 days ago
Select Korean Air flight, departing Sun, Dec 7 from Seattle to Busan, returning Sun, Dec 14, priced at $912 found 6 days ago
China Airlines
Tue, Nov 25 - Tue, Dec 2
SEA
Seattle
PUS
Busan
$912 Roundtrip, found 22 hours ago
$912
Roundtrip
found 22 hours ago
Select China Airlines flight, departing Tue, Nov 25 from Seattle to Busan, returning Tue, Dec 2, priced at $912 found 22 hours ago
China Airlines
Mon, Oct 27 - Tue, Nov 11
SEA
Seattle
PUS
Busan
$912 Roundtrip, found 3 days ago
$912
Roundtrip
found 3 days ago
Select China Airlines flight, departing Mon, Oct 27 from Seattle to Busan, returning Tue, Nov 11, priced at $912 found 3 days ago
Korean Air
Tue, Dec 9 - Sun, Dec 14
SEA
Seattle
PUS
Busan
$915 Roundtrip, found 1 day ago
$915
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Dec 9 from Seattle to Busan, returning Sun, Dec 14, priced at $915 found 1 day ago
Delta
Sun, Dec 7 - Sun, Dec 14
SEA
Seattle
PUS
Busan
$916 Roundtrip, found 6 days ago
$916
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Dec 7 from Seattle to Busan, returning Sun, Dec 14, priced at $916 found 6 days ago
Korean Air
Sun, Dec 7 - Sun, Dec 14
SEA
Seattle
PUS
Busan
$917 Roundtrip, found 6 days ago
$917
Roundtrip
found 6 days ago
Select Korean Air flight, departing Sun, Dec 7 from Seattle to Busan, returning Sun, Dec 14, priced at $917 found 6 days ago
Alaska Airlines
Thu, Nov 20 - Sat, Nov 29
SEA
Seattle
PUS
Busan
$949 Roundtrip, found 6 days ago
$949
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Nov 20 from Seattle to Busan, returning Sat, Nov 29, priced at $949 found 6 days ago
Cathay Pacific
Wed, May 13 - Wed, May 20
SEA
Seattle
PUS
Busan
$971 Roundtrip, found 2 days ago
$971
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Wed, May 13 from Seattle to Busan, returning Wed, May 20, priced at $971 found 2 days ago

Alternative airports near Busan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimhae PUS. Cheapest option available. Flights from $1,137
PUS
Gimhae
Cheapest
Flights from $1,137

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS) cost?
Snag a cheap one-way flight from $450 or cheap return flight from $909 from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS)?
February is the cheapest month to fly from SEA to PUS. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SEA to PUS. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS)?
You'll have to hop on a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SEA to PUS?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS)?
To touch down at Gimhae Airport (PUS) on time, pick a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS) last-minute?
Last-minute bookings from SEA to PUS are generally more expensive. To secure the lowest rates, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a SEA to PUS flight and hotel package?
Booking a SEA to PUS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Gimhae Airport (PUS)?
If you booked your SEA to PUS flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Gimhae
Airlines serving
Cathay Pacific, China Airlines, Delta, EVA Airways, Korean Air, Philippine Airlines, Singapore Airlines
Roundtrip price
$909
Distance
5231 mi

Book with confidence

Seattle to Busan Flights

The cheapest times to fly from Seattle to Busan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Busan are during the month of February. You can find some of the cheapest flights from Seattle to Busan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Busan

Sunday is one of the best days to book for cheap flights from Seattle to Busan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Busan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Busan in 2025. You can also book with separate airlines for your outbound and return journeys, from $450 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Busan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Busan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Busan Flights

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*Available to One Key members.