$506 Cheap Flights from Portland (PDX) to Seoul (GMP)

View $506 flight on Tue, Feb 17, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Gimpo Intl. Airport (GMP)

Cheap Flights from Portland to Seoul (PDX-GMP)

Prices were available within the past 7 days and start at $506 for one-way flights and $999 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Nov 26 - Wed, Dec 3
PDX
Portland
GMP
Seoul
$999 Roundtrip, found 6 days ago
$999
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Nov 26 from Portland to Seoul, returning Wed, Dec 3, priced at $999 found 6 days ago
Japan Airlines
Sun, Jan 4 - Wed, Jan 21
PDX
Portland
GMP
Seoul
$1,003 Roundtrip, found 1 day ago
$1,003
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sun, Jan 4 from Portland to Seoul, returning Wed, Jan 21, priced at $1,003 found 1 day ago
Japan Airlines
Sun, Dec 14 - Wed, Dec 24
PDX
Portland
GMP
Seoul
$1,019 Roundtrip, found 1 day ago
$1,019
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sun, Dec 14 from Portland to Seoul, returning Wed, Dec 24, priced at $1,019 found 1 day ago
Alaska Airlines
Thu, Dec 11 - Wed, Dec 24
PDX
Portland
GMP
Seoul
$1,026 Roundtrip, found 1 day ago
$1,026
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Portland to Seoul, returning Wed, Dec 24, priced at $1,026 found 1 day ago
Alaska Airlines
Mon, Jun 1 - Mon, Jun 8
PDX
Portland
GMP
Seoul
$1,036 Roundtrip, found 1 day ago
$1,036
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jun 1 from Portland to Seoul, returning Mon, Jun 8, priced at $1,036 found 1 day ago
Japan Airlines
Wed, Jan 21 - Sat, Jan 31
PDX
Portland
GMP
Seoul
$1,064 Roundtrip, found 15 hours ago
$1,064
Roundtrip
found 15 hours ago
Select Japan Airlines flight, departing Wed, Jan 21 from Portland to Seoul, returning Sat, Jan 31, priced at $1,064 found 15 hours ago
Alaska Airlines
Sun, Dec 14 - Wed, Dec 24
PDX
Portland
GMP
Seoul
$1,064 Roundtrip, found 1 day ago
$1,064
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Dec 14 from Portland to Seoul, returning Wed, Dec 24, priced at $1,064 found 1 day ago
Air Canada
Wed, Nov 26 - Wed, Dec 3
PDX
Portland
GMP
Seoul
$1,070 Roundtrip, found 6 days ago
$1,070
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Nov 26 from Portland to Seoul, returning Wed, Dec 3, priced at $1,070 found 6 days ago
American Airlines
Tue, Jan 6 - Tue, Jan 27
PDX
Portland
GMP
Seoul
$1,092 Roundtrip, found 3 days ago
$1,092
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jan 6 from Portland to Seoul, returning Tue, Jan 27, priced at $1,092 found 3 days ago
All Nippon Airways
Wed, Mar 25 - Wed, Apr 1
PDX
Portland
GMP
Seoul
$1,371 Roundtrip, found 2 days ago
$1,371
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Wed, Mar 25 from Portland to Seoul, returning Wed, Apr 1, priced at $1,371 found 2 days ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $1,164
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $1,164

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP) cost?
Secure a cheap one-way flight from $506 or cheap return flight from $999 from Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP)?
November is the cheapest month to fly from PDX to GMP. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to GMP flight.
How many flights per day from Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP)?
Direct flights from Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PDX to GMP?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of 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 Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP)?
To arrive at Gimpo Intl. Airport (GMP) without delays, opt for a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The likelihood 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 Gimpo Intl. Airport (GMP) last-minute?
Last-minute fares from PDX to GMP are generally more expensive. To secure the lowest rates, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book a PDX to GMP flight and hotel package?
Booking a PDX to GMP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide 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 Portland Intl. Airport (PDX) to Gimpo Intl. Airport (GMP)?
In most instances, you can modify or cancel your PDX to GMP flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Gimpo Intl.
Airlines serving
All Nippon Airways, Japan Airlines
Roundtrip price
$999
Distance
5257 mi

Book with confidence

Book with confidence

Portland to Seoul Flights

The cheapest times to fly from Portland to Seoul

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 Seoul are during the month of November. You can find some of the cheapest flights from Portland to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Seoul

Sunday is one of the best days to book for cheap flights from Portland to Seoul: 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 Seoul

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 Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $506 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 Seoul 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 Seoul 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 Seoul Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.