$535 Cheap Flights from Portland (PDX) to Busan (PUS)

View $535 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Gimhae Airport (PUS)

Cheap Flights from Portland to Busan (PDX-PUS)

Prices were available within the past 7 days and start at $535 for one-way flights and $987 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 27 - Thu, Oct 30
PDX
Portland
PUS
Busan
$987 Roundtrip, found 3 days ago
$987
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 27 from Portland to Busan, returning Thu, Oct 30, priced at $987 found 3 days ago
American Airlines
Wed, Nov 5 - Wed, Nov 19
PDX
Portland
PUS
Busan
$1,021 Roundtrip, found 4 hours ago
$1,021
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Portland to Busan, returning Wed, Nov 19, priced at $1,021 found 4 hours ago
Alaska Airlines
Sun, Jan 25 - Fri, Jan 30
PDX
Portland
PUS
Busan
$1,030 Roundtrip, found 2 days ago
$1,030
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Jan 25 from Portland to Busan, returning Fri, Jan 30, priced at $1,030 found 2 days ago
Alaska Airlines
Wed, Mar 25 - Fri, Apr 3
PDX
Portland
PUS
Busan
$1,032 Roundtrip, found 8 hours ago
$1,032
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Mar 25 from Portland to Busan, returning Fri, Apr 3, priced at $1,032 found 8 hours ago
Alaska Airlines
Mon, Oct 27 - Thu, Oct 30
PDX
Portland
PUS
Busan
$1,060 Roundtrip, found 3 days ago
$1,060
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Portland to Busan, returning Thu, Oct 30, priced at $1,060 found 3 days ago
Korean Air
Mon, Oct 27 - Thu, Oct 30
PDX
Portland
PUS
Busan
$1,061 Roundtrip, found 3 days ago
$1,061
Roundtrip
found 3 days ago
Select Korean Air flight, departing Mon, Oct 27 from Portland to Busan, returning Thu, Oct 30, priced at $1,061 found 3 days ago
American Airlines
Mon, Oct 27 - Thu, Oct 30
PDX
Portland
PUS
Busan
$1,068 Roundtrip, found 3 days ago
$1,068
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Oct 27 from Portland to Busan, returning Thu, Oct 30, priced at $1,068 found 3 days ago
American Airlines
Wed, Nov 5 - Wed, Nov 19
PDX
Portland
PUS
Busan
$1,069 Roundtrip, found 4 hours ago
$1,069
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Portland to Busan, returning Wed, Nov 19, priced at $1,069 found 4 hours ago
Delta
Mon, Oct 27 - Thu, Oct 30
PDX
Portland
PUS
Busan
$1,073 Roundtrip, found 3 days ago
$1,073
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 27 from Portland to Busan, returning Thu, Oct 30, priced at $1,073 found 3 days ago
Alaska Airlines
Fri, May 15 - Fri, Jul 24
PDX
Portland
PUS
Busan
$1,074 Roundtrip, found 11 hours ago
$1,074
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Fri, May 15 from Portland to Busan, returning Fri, Jul 24, priced at $1,074 found 11 hours 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 $1,342
PUS
Gimhae
Cheapest
Flights from $1,342

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Gimhae Airport (PUS) cost?
Grab a cheap one-way flight from $535 or cheap return flight from $987 from Portland Intl. Airport (PDX) 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 Portland Intl. Airport (PDX) to Gimhae Airport (PUS)?
Traveling in October is a great way to save, as it's the cheapest month for flights between PDX and PUS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Gimhae Airport (PUS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PDX to PUS flight.
How many flights per day from Portland Intl. Airport (PDX) to Gimhae Airport (PUS)?
Direct flights from Portland Intl. Airport (PDX) to Gimhae Airport (PUS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to PUS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Gimhae Airport (PUS)?
To arrive at Gimhae Airport (PUS) on schedule, book a flight that leaves Portland Intl. Airport (PDX) 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 Portland Intl. Airport (PDX) to Gimhae Airport (PUS) last-minute?
Booking your plane ticket from PDX to PUS just before your trip is usually more expensive. But if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a PDX to PUS flight and hotel package?
Booking a PDX to PUS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of hotels and then add car rentals, flights 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 Portland Intl. Airport (PDX) to Gimhae Airport (PUS)?
It's usually possible to reschedule or cancel your PDX to PUS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Gimhae
Airlines serving
Delta, Korean Air
Roundtrip price
$986
Distance
5298 mi

Book with confidence

Book with confidence

Portland to Busan Flights

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

 

The best time to book a flight from Portland to Busan

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Busan in 2025. You can also book with separate airlines for your outbound and return journeys, from $535 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 Portland 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 Portland 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.

 

Portland to Busan Flights

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Explore a world of travel with Expedia

*Available to One Key members.