$545 Cheap Flights from Portland (PDX) to Busan (PUS)

View $545 flight on Thu, Dec 4, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Portland to Busan (PDX-PUS)

Prices were available within the past 7 days and start at $545 for one-way flights and $1,032 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Mar 25 - Fri, Apr 3
PDX
Portland
PUS
Busan
$1,032 Roundtrip, found 9 hours ago
$1,032
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Mar 25 from Portland to Busan, returning Fri, Apr 3, priced at $1,032 found 9 hours ago
Alaska Airlines
Wed, Mar 25 - Fri, Apr 3
PDX
Portland
PUS
Busan
$1,078 Roundtrip, found 9 hours ago
$1,078
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Mar 25 from Portland to Busan, returning Fri, Apr 3, priced at $1,078 found 9 hours ago
Alaska Airlines
Sun, Apr 5 - Mon, Apr 20
PDX
Portland
PUS
Busan
$1,085 Roundtrip, found 6 days ago
$1,085
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Apr 5 from Portland to Busan, returning Mon, Apr 20, priced at $1,085 found 6 days ago
Alaska Airlines
Mon, Dec 1 - Wed, Dec 10
PDX
Portland
PUS
Busan
$1,110 Roundtrip, found 1 day ago
$1,110
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Dec 1 from Portland to Busan, returning Wed, Dec 10, priced at $1,110 found 1 day ago
Alaska Airlines
Sun, Feb 22 - Thu, Feb 26
PDX
Portland
PUS
Busan
$1,112 Roundtrip, found 2 hours ago
$1,112
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sun, Feb 22 from Portland to Busan, returning Thu, Feb 26, priced at $1,112 found 2 hours ago
Alaska Airlines
Tue, Nov 11 - Tue, Dec 9
PDX
Portland
PUS
Busan
$1,115 Roundtrip, found 5 days ago
$1,115
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Portland to Busan, returning Tue, Dec 9, priced at $1,115 found 5 days ago
China Eastern Airlines
Fri, Dec 5 - Mon, Dec 8
PDX
Portland
PUS
Busan
$1,118 Roundtrip, found 1 day ago
$1,118
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Fri, Dec 5 from Portland to Busan, returning Mon, Dec 8, priced at $1,118 found 1 day ago
Alaska Airlines
Tue, Nov 11 - Tue, Dec 9
PDX
Portland
PUS
Busan
$1,121 Roundtrip, found 5 days ago
$1,121
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Portland to Busan, returning Tue, Dec 9, priced at $1,121 found 5 days ago
United
Mon, Dec 8 - Wed, Jan 14
PDX
Portland
PUS
Busan
$1,126 Roundtrip, found 1 day ago
$1,126
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 8 from Portland to Busan, returning Wed, Jan 14, priced at $1,126 found 1 day ago
Korean Air
Mon, Dec 1 - Wed, Dec 10
PDX
Portland
PUS
Busan
$1,163 Roundtrip, found 1 day ago
$1,163
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Dec 1 from Portland to Busan, returning Wed, Dec 10, priced at $1,163 found 1 day 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 $1,218
PUS
Gimhae
Cheapest
Flights from $1,218
Flights from Portland (PDX) to Busan (PUS)
Origin airport
Portland Intl.
Destination airport
Gimhae
Airlines serving
Delta, Korean Air
Roundtrip price
$1,031
Distance
5298 mi

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 March. 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 $545 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.

 

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 $545 or cheap return flight from $1,032 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 March 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.

Explore a world of travel with Expedia

*Available to One Key members.