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£296 Cheap Flights from Portland (PDX) to Seoul (ICN)

View £296 flight on Thu, 27 Aug 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Incheon Intl. Airport (ICN)

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Cheap Flights from Portland (PDX) to Seoul (ICN)

Prices were available within the past 7 days and start at £296 for one-way flights and £805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, 27 Aug - Sat, 12 Sept
PDX
Portland
ICN
Seoul
£805 Return, just found
£805
Return
just found
Select WestJet flight, departing Thu, 27 Aug from Portland to Seoul, returning Sat, 12 Sept, priced at £805 just found
Alaska Airlines
Mon, 14 Sept - Wed, 23 Sept
PDX
Portland
ICN
Seoul
£822 Return, found 2 days ago
£822
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 14 Sept from Portland to Seoul, returning Wed, 23 Sept, priced at £822 found 2 days ago
Delta
Mon, 14 Sept - Wed, 23 Sept
PDX
Portland
ICN
Seoul
£824 Return, found 2 days ago
£824
Return
found 2 days ago
Select Delta flight, departing Mon, 14 Sept from Portland to Seoul, returning Wed, 23 Sept, priced at £824 found 2 days ago
WestJet
Thu, 27 Aug - Sat, 12 Sept
PDX
Portland
ICN
Seoul
£836 Return, just found
£836
Return
just found
Select WestJet flight, departing Thu, 27 Aug from Portland to Seoul, returning Sat, 12 Sept, priced at £836 just found
WestJet
Thu, 27 Aug - Sat, 12 Sept
PDX
Portland
ICN
Seoul
£840 Return, just found
£840
Return
just found
Select WestJet flight, departing Thu, 27 Aug from Portland to Seoul, returning Sat, 12 Sept, priced at £840 just found
Alaska Airlines
Mon, 14 Sept - Wed, 23 Sept
PDX
Portland
ICN
Seoul
£843 Return, found 2 days ago
£843
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 14 Sept from Portland to Seoul, returning Wed, 23 Sept, priced at £843 found 2 days ago
Alaska Airlines
Thu, 27 Aug - Sat, 12 Sept
PDX
Portland
ICN
Seoul
£859 Return, just found
£859
Return
just found
Select Alaska Airlines flight, departing Thu, 27 Aug from Portland to Seoul, returning Sat, 12 Sept, priced at £859 just found
Delta
Fri, 11 Sept - Mon, 21 Sept
PDX
Portland
ICN
Seoul
£861 Return, found 2 days ago
£861
Return
found 2 days ago
Select Delta flight, departing Fri, 11 Sept from Portland to Seoul, returning Mon, 21 Sept, priced at £861 found 2 days ago
Air Canada
Mon, 14 Sept - Wed, 23 Sept
PDX
Portland
ICN
Seoul
£886 Return, found 2 days ago
£886
Return
found 2 days ago
Select Air Canada flight, departing Mon, 14 Sept from Portland to Seoul, returning Wed, 23 Sept, priced at £886 found 2 days ago
Cathay Pacific
Mon, 14 Sept - Wed, 23 Sept
PDX
Portland
ICN
Seoul
£893 Return, found 2 days ago
£893
Return
found 2 days ago
Select Cathay Pacific flight, departing Mon, 14 Sept from Portland to Seoul, returning Wed, 23 Sept, priced at £893 found 2 days ago

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Seoul (ICN-Incheon Intl.) cost?
You can find cheap one-way flights from £296 and cheap return flights from £805 PDX to ICN with Expedia. One-way flights typically cost between £357 and £1764. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when PDX to ICN ticket fares go up or down.
What is the cheapest month to fly from Portland, OR (PDX) to Seoul (ICN)?
The cheapest months to fly from Portland, OR (PDX) to Seoul (ICN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Portland, OR (PDX) to Seoul (ICN)?
Enter PDX to ICN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Portland, OR (PDX) to Seoul (ICN)?
To find a cheap flight from Portland, OR (PDX) to Seoul (ICN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Seoul (ICN-Incheon Intl.)?
The cheapest months to fly from Portland, OR (PDX-Portland Intl.) to Seoul (ICN-Incheon Intl.) are typically January and February, with average return flights around £702. While March is a popular month for travel on this route, offering plenty of flight options, it's not among the cheapest. If you're looking for the best value, aiming for January or February will likely give you the most affordable fares.
What is the earliest flight from Portland, OR (PDX) to Seoul (ICN)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Portland, OR (PDX) to Seoul (ICN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Seoul (ICN-Incheon Intl.)?
A flight from PDX to ICN with a layover takes around 17 hours 30 minutes, with the route covering approximately 8,492 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX) to Seoul (ICN)?
Select the "Business class" and "First class" filters when looking for Portland, OR (PDX) to Seoul (ICN) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX) to Seoul (ICN) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX) to Seoul (ICN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Portland, OR (PDX) to Seoul (ICN) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX) to Seoul (ICN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX) to Seoul (ICN) flight and hotel package?
Securing a Portland, OR (PDX) to Seoul (ICN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX) to Seoul (ICN)?
If you booked your Portland, OR (PDX) to Seoul (ICN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Alaska Airlines, Cathay Pacific, Korean Air, WestJet
Return price
£805
Distance
8442 km

Book with confidence

Compare flights from Portland to Seoul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Seoul. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Incheon Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to Incheon Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. (PDX) to Incheon Intl. (ICN)

The easiest way to view the best deals on flights from Portland to Seoul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to Incheon Intl. start at just £805 and range up to £893.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and Seoul
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to Seoul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to Incheon Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Portland to Seoul easily and book with confidence

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