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Cheap Flights from Portland to Incheon International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Portland to Incheon International flight deals

      Find the cheapest month or even day of the year to fly to Incheon International

      Book the best Incheon International fare with no extra fees

      Flight deals from Portland to Incheon International

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Incheon International Airport? If you want to travel next month, return fares start from R 14,972. Find the lowest prices on one-way and return tickets right here.
      Seoul.R 6,632 per passenger.Departing Thu, 23 Jul.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Thu, 23 Jul, arriving in Incheon International.Price includes taxes and charges.From R 6,632, select.
      Seoul.R 7,191 per passenger.Departing Tue, 18 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Tue, 18 Aug, arriving in Incheon International.Price includes taxes and charges.From R 7,191, select.
      Seoul.R 7,368 per passenger.Departing Sun, 18 Oct.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Portland on Sun, 18 Oct, arriving in Incheon International.Price includes taxes and charges.From R 7,368, select.
      Seoul.R 7,594 per passenger.Departing Wed, 23 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 23 Sep, arriving in Incheon International.Price includes taxes and charges.From R 7,594, select.
      Seoul.R 7,780 per passenger.Departing Tue, 3 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Tue, 3 Nov, arriving in Incheon International.Price includes taxes and charges.From R 7,780, select.
      Seoul.R 7,813 per passenger.Departing Wed, 2 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 2 Dec, arriving in Incheon International.Price includes taxes and charges.From R 7,813, select.
      Seoul.R 10,011 per passenger.Departing Wed, 17 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Wed, 17 Mar, arriving in Incheon International.Price includes taxes and charges.From R 10,011, select.
      Seoul.R 10,103 per passenger.Departing Sat, 13 Feb.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 13 Feb, arriving in Incheon International.Price includes taxes and charges.From R 10,103, select.
      Seoul.R 10,149 per passenger.Departing Sat, 23 Jan.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 23 Jan, arriving in Incheon International.Price includes taxes and charges.From R 10,149, select.
      Seoul.R 10,185 per passenger.Departing Sat, 3 Apr.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 3 Apr, arriving in Incheon International.Price includes taxes and charges.From R 10,185, select.
      Seoul.R 14,431 per passenger.Departing Wed, 9 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Wed, 9 Jun, arriving in Incheon International.Price includes taxes and charges.From R 14,431, select.
      Seoul.R 21,898 per passenger.Departing Wed, 26 May.One-way flight with United.Outbound indirect flight with United, departs from Portland on Wed, 26 May, arriving in Incheon International.Price includes taxes and charges.From R 21,898, select.

      Find the cheapest month to fly from Portland to Incheon International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Incheon International flights are currently cheapest in July.
      Jul
      from R 6,632
      Aug
      from R 7,191
      Sep
      from R 7,594
      Oct
      from R 7,368
      Nov
      from R 7,780
      Dec
      from R 7,813
      Jan
      from R 10,149
      Feb
      from R 10,103
      Mar
      from R 10,011
      Apr
      from R 10,185
      May
      from R 21,898
      Jun
      from R 14,431

      Portland to Incheon International: Alternative routes

      Compare routes from Portland to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

      Gimpo International

      17km from central Seoul
      Closest
      from R 8,108
      Search flights

      Incheon International

      48km from central Seoul
      Cheapest
      from R 6,632
      Search flights

      Portland to Seoul: Flight information

      The things to know before you go.
      Cheapest flight foundR 6,632
      Cheapest month to flyJuly

      Finding cheap flights from Portland to Incheon International: Frequently asked questions

      The best price we found for a return flight from Portland to Incheon International is R 14,239. 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 Incheon International. But we found flights with one or more stops from R 14,239.
      As of July 2026, there are no flights flying from Portland to Incheon International.
      The cheapest month to fly from Portland to Incheon International is usually August.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Incheon International Airport on Friday, 28 August 2026.
      No airlines currently offer direct flights between Portland Airport and Incheon International Airport. 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 Incheon International 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.

      Currently, Alaska Airlines offers the cheapest flight tickets to Incheon International.

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

      • The timezone in Seoul is UTC+9, which is 17 hours ahead of Portland.

      • To ensure you catch your PDX to ICN flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

      • Travelling during a peak time like July? Public holidays and other popular periods can lead to longer lines at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • Consider adding a stopover when booking your ticket from Portland Airport to Incheon International Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here are some options between PDX and ICN:

        • Seattle / Tacoma International Airport

        • San Francisco International Airport

        • Harry Reid International Airport

      Handy information about Portland Airport (PDX)

      • The address for PDX is 7000 NE Airport Way.

      • Portland Airport maintains a strong on-time performance, making delays less likely. Departures from PDX touch down on schedule 83% of the time.

      • Central Portland to Portland Airport is around 19 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

      • Taking public transport? Expect a trip time of around 40 minutes.

      • Have an early flight from Portland Airport to Incheon International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these stays near PDX:

      Arriving at Incheon International Airport (ICN)

      When to fly to Incheon International Airport (ICN)

      • August is the busiest month for flights from Portland Airport to Incheon International Airport. For smaller crowds, head to Seoul in March.

      • The warmest month in Seoul is August, with temperatures ranging between 19ºC (66ºF) and 32ºC (90ºF). Lock in your flights from Portland Airport to Incheon International Airport in this month if you enjoy this type of weather.

      • If you'd rather travel in cooler conditions, look for a cheap ticket from PDX to ICN in January. Temperatures average between -12ºC (10ºF) and 4ºC (39ºF) then.

      Explore more of South Korea

      • Busan is just one of the many cities in South Korea waiting to be discovered after you've experienced Seoul. Around 322 kilometres away to the south-east, its best attractions include Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.

      • Incheon is another favourite destination in South Korea and is around 56 kilometres west of Seoul. No journey is complete without visiting INSPIRE Arena, Wangsan Beach and Seokmodo Natural Forest.

      More travel options

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