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Flights from Portland to Seoul

Find flight deals from Portland to Seoul for the next 3 months. Book one way flights from $370 or round trip flights from $921.

      • PDX 2:45 PM
        21h 45m
        1 stop
        ICN 4:30 AM
        Portland - Seoul | Wed, Aug 5 | Alaska Airlines
        ICN 1:00 PM
        19h 47m
        1 stop
        PDX 4:47 PM
        Seoul - Portland | Wed, Aug 12 | Air Premia
        $921 $1,097
        16% off
        16% off
        $1,097 $921
      • PDX 5:38 PM
        18h 52m
        1 stop
        ICN 4:30 AM
        Portland - Seoul | Fri, Aug 21 | Alaska Airlines
        ICN 1:00 PM
        26h 59m
        1 stop
        PDX 11:59 PM
        Seoul - Portland | Tue, Aug 25 | Air Premia
        $935 $1,097
        15% off
        15% off
        $1,097 $935
      • PDX 5:42 PM
        30h 8m
        1 stop
        ICN 3:50 PM
        Portland - Seoul | Thu, Sep 3 | Frontier Airlines
        ICN 1:00 PM
        17h 27m
        1 stop
        PDX 2:27 PM
        Seoul - Portland | Thu, Sep 10 | Air Premia
        $939 $1,097
        14% off
        14% off
        $1,097 $939
      • PDX 10:37 AM
        19h 3m
        1 stop
        ICN 9:40 PM
        Portland - Seoul | Sun, Sep 6 | Alaska Airlines
        ICN 7:15 PM
        17h 36m
        1 stop
        PDX 8:51 PM
        Seoul - Portland | Wed, Sep 9 | Air Premia
        $943
        14% off
        $1,097 $943
      • PDX 2:53 PM
        32h 57m
        1 stop
        ICN 3:50 PM
        Portland - Seoul | Thu, Sep 3 | Alaska Airlines
        ICN 1:00 PM
        24h 55m
        1 stop
        PDX 9:55 PM
        Seoul - Portland | Tue, Sep 8 | Air Premia
        $946
        14% off
        $1,097 $946
      • PDX 5:38 PM
        18h 52m
        1 stop
        ICN 4:30 AM
        Portland - Seoul | Mon, Aug 24 | Alaska Airlines
        ICN 1:00 PM
        19h 36m
        1 stop
        PDX 4:36 PM
        Seoul - Portland | Mon, Aug 31 | Air Premia
        $950
        13% off
        $1,097 $950
      • PDX 7:00 AM
        29h 30m
        1 stop
        ICN 4:30 AM
        Portland - Seoul | Fri, Aug 14 | Alaska Airlines
        ICN 1:00 PM
        26h 59m
        1 stop
        PDX 11:59 PM
        Seoul - Portland | Wed, Aug 19 | Air Premia
        $952
        13% off
        $1,097 $952
      • PDX 7:00 AM
        29h 30m
        1 stop
        ICN 4:30 AM
        Portland - Seoul | Fri, Aug 7 | Alaska Airlines
        ICN 1:00 PM
        19h 47m
        1 stop
        PDX 4:47 PM
        Seoul - Portland | Wed, Aug 12 | Air Premia
        $952
        13% off
        $1,097 $952
      • PDX 9:27 PM
        39h 3m
        1 stop
        ICN 4:30 AM
        Portland - Seoul | Thu, Aug 6 | Alaska Airlines
        ICN 1:00 PM
        19h 47m
        1 stop
        PDX 4:47 PM
        Seoul - Portland | Wed, Aug 12 | Air Premia
        $952
        13% off
        $1,097 $952
      • PDX 8:18 PM
        27h 32m
        1 stop
        ICN 3:50 PM
        Portland - Seoul | Sat, Sep 5 | Alaska Airlines
        ICN 1:00 PM
        23h 36m
        1 stop
        PDX 8:36 PM
        Seoul - Portland | Tue, Sep 8 | Air Premia
        $965
        12% off
        $1,097 $965
      • PDX 1:00 PM
        17h 25m
        1 stop
        SEL 2:00 PM
        Portland - Seoul | Wed, Jul 22 | Normal Airline
        SEL 3:00 PM
        6h
        Nonstop
        PDX 4:00 PM
        Seoul - Portland | Fri, Jul 24 | Normal Airline
        Find more flights
        Find more flights
      • PDX 2:30 PM
        36h 15m
        1 stop
        ICN 6:45 PM
        Portland - Seoul | Tue, Aug 18 | WestJet
        $370 $524
        28% off
        28% off
        $524 $370
      • PDX 2:30 PM
        36h 15m
        1 stop
        ICN 6:45 PM
        Portland - Seoul | Thu, Aug 13 | WestJet
        $370 $524
        28% off
        28% off
        $524 $370
      • PDX 2:30 PM
        36h 15m
        1 stop
        ICN 6:45 PM
        Portland - Seoul | Wed, Aug 12 | WestJet
        $370 $524
        28% off
        28% off
        $524 $370
      • PDX 6:53 PM
        34h 47m
        1 stop
        ICN 9:40 PM
        Portland - Seoul | Sat, Aug 22 | Alaska Airlines
        $384
        27% off
        $524 $384
      • PDX 2:30 PM
        36h 15m
        1 stop
        ICN 6:45 PM
        Portland - Seoul | Fri, Aug 7 | WestJet
        $391
        25% off
        $524 $391
      • PDX 10:37 AM
        19h 3m
        1 stop
        ICN 9:40 PM
        Portland - Seoul | Wed, Sep 9 | Alaska Airlines
        $400
        24% off
        $524 $400
      • PDX 9:45 PM
        31h 55m
        1 stop
        ICN 9:40 PM
        Portland - Seoul | Sat, Aug 15 | Alaska Airlines
        $442
        16% off
        $524 $442
      • PDX 7:19 AM
        22h 21m
        1 stop
        ICN 9:40 PM
        Portland - Seoul | Fri, Aug 14 | Alaska Airlines
        $443
        15% off
        $524 $443
      • PDX 10:10 AM
        19h 30m
        1 stop
        ICN 9:40 PM
        Portland - Seoul | Tue, Jul 21 | Air Canada
        $454
        13% off
        $524 $454
      • PDX 2:30 PM
        36h 15m
        1 stop
        ICN 6:45 PM
        Portland - Seoul | Wed, Sep 9 | WestJet
        $461
        12% off
        $524 $461
      • PDX 1:00 PM
        17h 25m
        1 stop
        SEL 2:00 PM
        Portland - Seoul | Wed, Jul 22 | Normal Airline
        Find more flights
        Find more flights

Find cheap airlines flights from Portland to Seoul

You can choose from 2 airlines that fly from Portland to Seoul, including Alaska Airlines, United Airlines, WestJet has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Portland to Seoul according to previous 12 months data from Trip.com.

Flight Info | Portland to Seoul

The distance between Portland and Seoul is approximately 8,457.43 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price$370
Cheapest round-trip ticket price$921
Off-season for travelOctober
Peak season for travelJanuary
Flight distance8,457.43 km
Popular airlineAlaska Airlines
Flight statistics for the Portland–Seoul route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Portland to Seoul

Which month has the cheapest one-way flights from Portland to Seoul?

The average price of one-way flights from Portland to Seoul purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Portland to Seoul is January, with an average price of $504; while the month with the highest flight price is usually March, with an average price of up to $886.

$886
$695
$504
$313
    Cheapest
  • $777
    Jul
  • $631
    Aug
  • $556
    Sep
  • $591
    Oct
  • $624
    Nov
  • $833
    Dec
  • $504
    Jan
  • $568
    Feb
  • $886
    Mar
  • $658
    Apr
  • $576
    May
  • $715
    Jun

Frequently Asked Questions

  • What are the cheapest flights from Portland to Seoul (PDX-SEL)?

    Based on Trip.com data, WestJet offers one-way fares as low as $370 on Cheapest nonstop routes (e.g. PDX to ICN on Tue, Aug 18), while Alaska Airlines offers Cheapest nonstop round-trips from $921 departing on Wed, Aug 5 and returning on Wed, Aug 12.
  • At the moment, you can catch a nonstop flight from Portland to Seoul with the following airlines, including: Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to Seoul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Aug 18, with one-way flights priced at just $370.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Seoul is October, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Portland to Seoul on July 27, 2026 with Alaska Airlines, with prices starting at $480.
  • You can land at any one of the following hubs in Seoul, with Portland International Airport to Incheon International Airport (PDX-ICN) is by far the most common option on this route: Incheon International Airport (ICN) Gimpo International Airport (GMP).
  • The time difference between Seoul and Portland is 17h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.