$564 Cheap Flights from Pasco (PSC) to Busan (PUS)

View $564 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Busan

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Cheap Flights from Pasco to Busan (PSC-PUS)

Prices were available within the past 7 days and start at $564 for one-way flights and $1,072 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Feb 1 - Sun, Feb 8
PSC
Pasco
PUS
Busan
$1,072 Roundtrip, found 5 hours ago
$1,072
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sun, Feb 1 from Pasco to Busan, returning Sun, Feb 8, priced at $1,072 found 5 hours ago
Alaska Airlines
Sun, Feb 1 - Sun, Feb 8
PSC
Pasco
PUS
Busan
$1,078 Roundtrip, found 5 hours ago
$1,078
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sun, Feb 1 from Pasco to Busan, returning Sun, Feb 8, priced at $1,078 found 5 hours ago
Alaska Airlines
Mon, Mar 23 - Mon, Apr 6
PSC
Pasco
PUS
Busan
$1,084 Roundtrip, found 21 hours ago
$1,084
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Mar 23 from Pasco to Busan, returning Mon, Apr 6, priced at $1,084 found 21 hours ago
Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
PSC
Pasco
PUS
Busan
$1,172 Roundtrip, found 1 day ago
$1,172
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Pasco to Busan, returning Sat, Feb 7, priced at $1,172 found 1 day ago
Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
PSC
Pasco
PUS
Busan
$1,178 Roundtrip, found 1 day ago
$1,178
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jan 31 from Pasco to Busan, returning Sat, Feb 7, priced at $1,178 found 1 day ago
Korean Air
Sat, Feb 14 - Thu, Feb 19
PSC
Pasco
PUS
Busan
$1,179 Roundtrip, found 6 days ago
$1,179
Roundtrip
found 6 days ago
Select Korean Air flight, departing Sat, Feb 14 from Pasco to Busan, returning Thu, Feb 19, priced at $1,179 found 6 days ago
Korean Air
Sun, Feb 1 - Sun, Feb 8
PSC
Pasco
PUS
Busan
$1,180 Roundtrip, found 5 hours ago
$1,180
Roundtrip
found 5 hours ago
Select Korean Air flight, departing Sun, Feb 1 from Pasco to Busan, returning Sun, Feb 8, priced at $1,180 found 5 hours ago
Delta
Wed, Feb 11 - Sun, Feb 22
PSC
Pasco
PUS
Busan
$1,185 Roundtrip, found 6 days ago
$1,185
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 11 from Pasco to Busan, returning Sun, Feb 22, priced at $1,185 found 6 days ago
Delta
Wed, Feb 11 - Sun, Feb 22
PSC
Pasco
PUS
Busan
$1,186 Roundtrip, found 6 days ago
$1,186
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 11 from Pasco to Busan, returning Sun, Feb 22, priced at $1,186 found 6 days ago
Delta
Wed, Feb 11 - Sun, Feb 22
PSC
Pasco
PUS
Busan
$1,202 Roundtrip, found 6 days ago
$1,202
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 11 from Pasco to Busan, returning Sun, Feb 22, priced at $1,202 found 6 days ago

Frequently asked questions

How much does a flight from Tri-Cities Airport (PSC) to Gimhae Airport (PUS) cost?
Get a cheap one-way flight from $564 or cheap return flight from $1,072 from Tri-Cities Airport (PSC) to Gimhae Airport (PUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tri-Cities Airport (PSC) to Gimhae Airport (PUS)?
Flying in February is a great way to save, as it's the cheapest month for flights between PSC and PUS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Tri-Cities Airport (PSC) to Gimhae Airport (PUS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PSC to PUS flight.
How many flights per day from Tri-Cities Airport (PSC) to Gimhae Airport (PUS)?
There aren't any daily direct flights departing from Tri-Cities Airport (PSC) to Gimhae Airport (PUS). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from PSC to PUS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Airport (PSC) to Gimhae Airport (PUS)?
To arrive at Gimhae Airport (PUS) on time, select a flight that leaves from Tri-Cities Airport (PSC) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Tri-Cities Airport (PSC) to Gimhae Airport (PUS) last-minute?
Booking your plane ticket from PSC to PUS shortly before your trip is typically more expensive. But if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a PSC to PUS flight and hotel package?
You'll typically save money by booking a PSC to PUS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your preferred accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to Gimhae Airport (PUS)?
If you reserved your PSC 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 fare type 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, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Tri-Cities
Destination airport
Gimhae
Airlines serving
Korean Air
Roundtrip price
$1,072
Distance
5400 mi

Book with confidence

Pasco to Busan Flights

The cheapest times to fly from Pasco 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 Pasco to Busan are during the month of February. You can find some of the cheapest flights from Pasco to Busan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pasco to Busan

Sunday is one of the best days to book for cheap flights from Pasco 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 Pasco 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 Pasco to Busan in 2026. You can also book with separate airlines for your outbound and return journeys, from $564 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 Pasco 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 Pasco 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.

 

Pasco to Busan Flights

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*Available to One Key members.