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806 € Cheap Flights from Portland to Seoul

Compare Portland to Seoul flight deals

Find the cheapest month or even day of the year to fly to Seoul

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Flight deals from Portland to Seoul

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Seoul? If you want to travel next month, return fares start from 865 €. Find the lowest prices on one-way and return tickets right here.
Seoul.806 € per passenger.Departing Wed, 26 Aug, returning Wed, 9 Sep.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 26 Aug, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Wed, 9 Sep, arriving in Portland.Price includes taxes and charges.From 806 €, select.
Seoul.815 € per passenger.Departing Wed, 26 Aug, returning Thu, 5 Nov.Return flight with Alaska Airlines and Xiamen Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 26 Aug, arriving in Incheon International.Inbound indirect flight with Xiamen Airlines, departs from Incheon International on Thu, 5 Nov, arriving in Portland.Price includes taxes and charges.From 815 €, select.
Seoul.816 € per passenger.Departing Wed, 26 Aug, returning Sat, 31 Oct.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 26 Aug, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sat, 31 Oct, arriving in Portland.Price includes taxes and charges.From 816 €, select.
Seoul.817 € per passenger.Departing Wed, 2 Sep, returning Wed, 30 Sep.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 2 Sep, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Wed, 30 Sep, arriving in Portland.Price includes taxes and charges.From 817 €, select.
Seoul.818 € per passenger.Departing Sat, 26 Sep, returning Sat, 17 Oct.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 26 Sep, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sat, 17 Oct, arriving in Portland.Price includes taxes and charges.From 818 €, select.
Seoul.840 € per passenger.Departing Mon, 26 Oct, returning Wed, 4 Nov.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 26 Oct, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Wed, 4 Nov, arriving in Portland.Price includes taxes and charges.From 840 €, select.
Seoul.865 € per passenger.Departing Wed, 12 Aug, returning Thu, 20 Aug.Return flight with Alaska Airlines and Philippine Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 12 Aug, arriving in Incheon International.Inbound indirect flight with Philippine Airlines, departs from Incheon International on Thu, 20 Aug, arriving in Portland.Price includes taxes and charges.From 865 €, select.
Seoul.868 € per passenger.Departing Wed, 14 Oct, returning Tue, 27 Oct.Return flight with Alaska Airlines and Philippine Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 14 Oct, arriving in Incheon International.Inbound indirect flight with Philippine Airlines, departs from Incheon International on Tue, 27 Oct, arriving in Portland.Price includes taxes and charges.From 868 €, select.
Seoul.875 € per passenger.Departing Mon, 2 Nov, returning Mon, 16 Nov.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 2 Nov, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Mon, 16 Nov, arriving in Portland.Price includes taxes and charges.From 875 €, select.
Seoul.889 € per passenger.Departing Wed, 2 Dec, returning Sat, 12 Dec.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 2 Dec, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sat, 12 Dec, arriving in Portland.Price includes taxes and charges.From 889 €, select.
Seoul.920 € per passenger.Departing Mon, 2 Nov, returning Thu, 10 Dec.Return flight with Alaska Airlines and Zipair.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 2 Nov, arriving in Incheon International.Inbound indirect flight with Zipair, departs from Incheon International on Thu, 10 Dec, arriving in Portland.Price includes taxes and charges.From 920 €, select.
Seoul.928 € per passenger.Departing Mon, 14 Sep, returning Mon, 9 Nov.Return flight with Alaska Airlines and Philippine Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 14 Sep, arriving in Incheon International.Inbound indirect flight with Philippine Airlines, departs from Incheon International on Mon, 9 Nov, arriving in Portland.Price includes taxes and charges.From 928 €, select.
Seoul.975 € per passenger.Departing Thu, 23 Jul, returning Sat, 8 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Thu, 23 Jul, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Sat, 8 Aug, arriving in Portland.Price includes taxes and charges.From 975 €, select.
Seoul.983 € per passenger.Departing Sun, 12 Jul, returning Fri, 24 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sun, 12 Jul, arriving in Incheon International.Inbound indirect flight with Delta, departs from Incheon International on Fri, 24 Jul, arriving in Portland.Price includes taxes and charges.From 983 €, select.
Seoul.1.045 € per passenger.Departing Mon, 1 Feb, returning Mon, 22 Feb.Return flight with Alaska Airlines and Air Premia.Outbound indirect flight with Alaska Airlines, departs from Portland on Mon, 1 Feb, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Mon, 22 Feb, arriving in Portland.Price includes taxes and charges.From 1.045 €, select.
Seoul.1.063 € per passenger.Departing Tue, 6 Apr, returning Wed, 21 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Tue, 6 Apr, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 21 Apr, arriving in Portland.Price includes taxes and charges.From 1.063 €, select.

Find the cheapest month to fly from Portland to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Seoul flights are currently cheapest in September.
Jul
from 983 €
Aug
from 865 €
Sep
from 817 €
Oct
from 868 €
Nov
from 875 €
Dec
from 889 €
Jan
from 1.071 €
Feb
from 1.045 €
Mar
from 1.068 €
Apr
from 1.063 €
May
from 1.221 €
Jun
from 1.836 €

Alternative Portland to Seoul routes

Looking for the cheapest, fastest or easiest route from Portland to Seoul? You could fly into the following airports instead.

Gimpo International

17km from central Seoul
Closest
from 1.172 €
Search flights

Incheon International

48km from central Seoul
Cheapest
from 806 €
Search flights

Portland to Seoul: Flight information

The things to know before you go.
Cheapest flight found806 €
Cheapest month to flyAugust

Finding cheap flights from Portland to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Portland to Seoul is 806 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Seoul. But we found flights with one or more stops from 806 €.
As of July 2026, there are no flights flying from Portland to Seoul.
The cheapest month to fly from Portland to Seoul is usually August.
If you're flying from Portland Airport, the cheapest airport near Seoul is Incheon International – which is 47.9 km away from the centre of Seoul. We've found flights into this airport from 806 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Seoul on Wednesday, 26 August 2026.
No airlines currently offer direct flights between Portland Airport and Seoul. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 24°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, Alaska Airlines offers the cheapest flight tickets to Seoul.

Flying from Portland International Airport (PDX) to Seoul: what you need to know

  • Portland International Airport is located in Portland. Following the UTC+9 timezone, Seoul is 17 hours ahead of Portland.

  • For a relaxed start to your PDX to Seoul flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • Flying during a peak time such as July? Public holidays and other popular periods can mean longer lines and delays at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

  • A stopover is the ideal opportunity to break up your journey and maybe even explore another city. When browsing for plane tickets from PDX to Seoul, deselect the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:

    • Seattle-Tacoma International Airport (SEA)

    • San Francisco International Airport (SFO)

    • Las Vegas Harry Reid International Airport (LAS)

  • The journey from central Portland to PDX takes about 40 minutes on public transport. If you drive, ride-share or get a taxi, you'll cover the 10 kilometres in 20 minutes or so, depending on traffic conditions.

  • Searching for a hotel close to PDX? If you're boarding an early flight from Portland International Airport to Seoul, these accommodation options set you up for a seamless send-off:

  • Portland International Airport scores top marks for on-time performance. 83% of flights that depart PDX arrive at their destination without delay.

  • You'll find PDX at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Seoul

  • 356 € is the cheapest price we've seen for a one-way Portland International Airport to Seoul flight. A return plane ticket right now is 806 €. Depending on the availability when you book, these fares can change.

  • To pick up cheap flights from PDX to Seoul, book as early as you can. Airlines usually offer lower prices when tickets are first released.

  • Finding cheap tickets from Portland International Airport to Seoul is more likely if you can be flexible with your travel plans. Use the 'Whole month' tool to get the lowest fares across every month and walk away with a sweet deal.

  • Picking up a cheap flight from PDX to Seoul is a breeze with Price Alerts. Simply create one of these automatic notifications and we'll get in touch when a better deal is available.

  • Save on your flight from Portland International Airport to Seoul with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Seoul

Seoul Incheon International Airport (ICN)

  • Seoul Incheon International Airport (ICN) is around 48 kilometres from the centre of Seoul. If you're grabbing a taxi or a ride-share, the drive takes roughly 1 hour 5 minutes.

  • Travelling on public transport will take you around 50 minutes.

  • Consider staying in a hotel close to ICN if you're coming in on a late flight from Portland International Airport to Seoul. Settle into one of these accommodation options and make arrival day easier:

  • Lock in the best rate by reserving your ride from Seoul Incheon International Airport around four weeks in advance of your flight from PDX to Seoul.

Seoul Gimpo International Airport (GMP)

  • Seoul Gimpo International Airport (GMP) is around 16 kilometres from the centre of Seoul. Following your flight from Portland International Airport to Seoul, it'll take you around 30 minutes to get to the heart of the city in a taxi or ride-share.

  • You can expect the journey to take roughly 35 minutes on public transport.

  • There are some comfortable places to park your luggage (and yourself) near GMP. Settle in and get cosy after your PDX to Seoul flight at one of these perfectly located options:

  • Get exactly what you want. Reserving your ride from GMP one week ahead of time often means lower prices and a greater range of vehicles.

Best time to go to Seoul

  • It's time to plan your dates for your flight from Portland International Airport to Seoul. January is the most popular month for a trip to Seoul. If you like a more low-key vibe, go in December.

  • The warmest month in Seoul is August, with temperatures ranging between 19ºC (66ºF) and 32ºC (90ºF). Book your Portland International Airport to Seoul plane ticket then if that's your definition of good weather.

  • January has average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Look for a cheap ticket from PDX to Seoul around that time if you'd rather travel in cooler conditions.

More about Seoul

  • Start your Seoul trip off on the right foot by choosing the perfect place to stay. After booking your flight from Portland International Airport to Seoul, explore our selection of hotels including:

  • There are so many things to explore in this city it can be tricky to work out where to start. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are top sights which should be on every Seoul itinerary.

Explore more of South Korea

  • Busan is just one of the many places in South Korea waiting to be discovered once you've seen the sights of Seoul. Around 322 kilometres away to the southeast, popular attractions include Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.

  • Around 241 kilometres southeast of Seoul, Daegu is another favourite stop in South Korea. Start your sightseeing at Alive Aquarium Daegu, Nature Park and Seonsa Historical Park.

Plan the rest of your trip from Portland to Seoul

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.