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Seattle-Tacoma International Airport to Portland International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Portland International Airport over the next 90 days, with one-way fares from KRW 93,200 and round-trip from KRW 143,800. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 8:40 AM
        1h 7m
        Nonstop
        PDX 9:47 AM
        Seattle - Portland | Wed, Oct 28 | Alaska Airlines
        PDX 8:09 AM
        1h 1m
        Nonstop
        SEA 9:10 AM
        Portland - Seattle | Mon, Nov 2 | Alaska Airlines
        KRW 143,800 KRW 305,300
        53% off
        53% off
        KRW 305,300 KRW 143,800
      • SEA 10:55 PM
        1h 4m
        Nonstop
        PDX 11:59 PM
        Seattle - Portland | Sun, Nov 1 | Delta Air Lines
        PDX 5:49 PM
        1h 16m
        Nonstop
        SEA 7:05 PM
        Portland - Seattle | Sat, Nov 7 | Delta Air Lines
        KRW 146,200 KRW 305,300
        52% off
        52% off
        KRW 305,300 KRW 146,200
      • SEA 7:32 AM
        1h 14m
        Nonstop
        PDX 8:46 AM
        Seattle - Portland | Wed, Oct 28 | Delta Air Lines
        PDX 12:29 PM
        1h 10m
        Nonstop
        SEA 1:39 PM
        Portland - Seattle | Mon, Nov 2 | Delta Air Lines
        KRW 150,800 KRW 305,300
        51% off
        51% off
        KRW 305,300 KRW 150,800
      • SEA 7:32 AM
        1h 14m
        Nonstop
        PDX 8:46 AM
        Seattle - Portland | Sat, Nov 7 | Delta Air Lines
        PDX 5:49 PM
        1h 16m
        Nonstop
        SEA 7:05 PM
        Portland - Seattle | Mon, Nov 9 | Delta Air Lines
        KRW 249,100
        18% off
        KRW 305,300 KRW 249,100
      • SEA 3:51 PM
        59m
        Nonstop
        PDX 4:50 PM
        Seattle - Portland | Mon, Oct 19 | Alaska Airlines
        PDX 7:09 AM
        1h 16m
        Nonstop
        SEA 8:25 AM
        Portland - Seattle | Fri, Oct 23 | Alaska Airlines
        KRW 258,100
        15% off
        KRW 305,300 KRW 258,100
      • SEA 7:20 AM
        1h 8m
        Nonstop
        PDX 8:28 AM
        Seattle - Portland | Tue, Nov 3 | Alaska Airlines
        PDX 2:30 PM
        1h 5m
        Nonstop
        SEA 3:35 PM
        Portland - Seattle | Thu, Nov 5 | Alaska Airlines
        KRW 258,300
        15% off
        KRW 305,300 KRW 258,300
      • SEA 7:32 AM
        1h 14m
        Nonstop
        PDX 8:46 AM
        Seattle - Portland | Tue, Nov 3 | Delta Air Lines
        PDX 7:00 AM
        1h 19m
        Nonstop
        SEA 8:19 AM
        Portland - Seattle | Thu, Nov 5 | Delta Air Lines
        KRW 258,900
        15% off
        KRW 305,300 KRW 258,900
      • SEA 6:55 PM
        1h 7m
        Nonstop
        PDX 8:02 PM
        Seattle - Portland | Mon, Oct 19 | Delta Air Lines
        PDX 7:00 AM
        1h 14m
        Nonstop
        SEA 8:14 AM
        Portland - Seattle | Fri, Oct 23 | Delta Air Lines
        KRW 259,900
        15% off
        KRW 305,300 KRW 259,900
      • SEA 7:20 AM
        1h 8m
        Nonstop
        PDX 8:28 AM
        Seattle - Portland | Tue, Nov 10 | Alaska Airlines
        PDX 7:37 PM
        56m
        Nonstop
        SEA 8:33 PM
        Portland - Seattle | Fri, Nov 13 | Alaska Airlines
        KRW 277,400
        9% off
        KRW 305,300 KRW 277,400
      • SEA 8:35 AM
        1h 5m
        Nonstop
        PDX 9:40 AM
        Seattle - Portland | Tue, Oct 13 | Alaska Airlines
        PDX 7:09 AM
        1h 15m
        Nonstop
        SEA 8:24 AM
        Portland - Seattle | Thu, Oct 15 | Alaska Airlines
        KRW 277,800
        9% off
        KRW 305,300 KRW 277,800
      • SEA 1:55 PM
        6h 55m
        1 stop
        PDX 8:50 PM
        Seattle - Portland | Sat, Nov 7 | Alaska Airlines
        PDX 2:53 PM
        6h 32m
        1 stop
        SEA 9:25 PM
        Portland - Seattle | Mon, Nov 9 | Alaska Airlines
        KRW 252,900
        17% off
        KRW 305,300 KRW 252,900
      • SEA 1:00 PM
        17h 25m
        1 stop
        PDX 2:00 PM
        Seattle - Portland | Wed, Oct 14 | Normal Airline
        PDX 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Portland - Seattle | Fri, Oct 16 | Normal Airline
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      • Cheapest nonstop
        SEA 9:59 PM
        1h 1m
        Nonstop
        PDX 11:00 PM
        Seattle - Portland | Sat, Nov 7 | Alaska Airlines
        KRW 93,200 KRW 158,300
        41% off
        41% off
        KRW 158,300 KRW 93,200
      • SEA 9:35 PM
        1h 7m
        Nonstop
        PDX 10:42 PM
        Seattle - Portland | Sat, Nov 7 | Delta Air Lines
        KRW 105,100 KRW 158,300
        34% off
        34% off
        KRW 158,300 KRW 105,100
      • SEA 7:32 AM
        1h 14m
        Nonstop
        PDX 8:46 AM
        Seattle - Portland | Fri, Oct 16 | Delta Air Lines
        KRW 111,700 KRW 158,300
        28% off
        28% off
        KRW 158,300 KRW 111,700
      • SEA 9:59 PM
        1h 1m
        Nonstop
        PDX 11:00 PM
        Seattle - Portland | Fri, Nov 6 | Alaska Airlines
        KRW 112,900
        28% off
        KRW 158,300 KRW 112,900
      • SEA 9:59 PM
        1h 1m
        Nonstop
        PDX 11:00 PM
        Seattle - Portland | Thu, Nov 12 | Alaska Airlines
        KRW 116,300
        27% off
        KRW 158,300 KRW 116,300
      • SEA 8:40 AM
        1h 7m
        Nonstop
        PDX 9:47 AM
        Seattle - Portland | Fri, Oct 16 | Alaska Airlines
        KRW 116,500
        26% off
        KRW 158,300 KRW 116,500
      • SEA 6:55 PM
        1h 5m
        Nonstop
        PDX 8:00 PM
        Seattle - Portland | Fri, Nov 6 | Delta Air Lines
        KRW 117,500
        26% off
        KRW 158,300 KRW 117,500
      • SEA 10:35 PM
        1h 1m
        Nonstop
        PDX 11:36 PM
        Seattle - Portland | Thu, Nov 12 | Delta Air Lines
        KRW 118,100
        25% off
        KRW 158,300 KRW 118,100
      • SEA 8:55 PM
        1h 1m
        Nonstop
        PDX 9:56 PM
        Seattle - Portland | Fri, Oct 30 | Delta Air Lines
        KRW 142,400
        10% off
        KRW 158,300 KRW 142,400
      • SEA 10:55 PM
        1h 4m
        Nonstop
        PDX 11:59 PM
        Seattle - Portland | Fri, Oct 23 | Delta Air Lines
        KRW 144,000
        9% off
        KRW 158,300 KRW 144,000
      • SEA 4:17 PM
        7h 31m
        1 stop
        PDX 11:48 PM
        Seattle - Portland | Mon, Nov 23 | Alaska Airlines
        KRW 130,900
        17% off
        KRW 158,300 KRW 130,900
      • SEA 8:54 AM
        7h 40m
        1 stop
        PDX 4:34 PM
        Seattle - Portland | Tue, Nov 17 | Alaska Airlines
        KRW 141,000
        11% off
        KRW 158,300 KRW 141,000
      • SEA 1:00 PM
        17h 25m
        1 stop
        PDX 2:00 PM
        Seattle - Portland | Wed, Oct 14 | Normal Airline
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Flight fares from Seattle-Tacoma International Airport to Portland International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Portland International Airport

Which month has the lowest one-way flight price from Seattle-Tacoma International Airport to Portland International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Seattle-Tacoma International Airport to Portland International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Seattle-Tacoma International Airport to Portland International Airport, the best time to book is in April, with an average price of KRW 166,600. Try to avoid March, when prices are highest, averaging around KRW 343,000.

KRW 343,000
KRW 254,800
KRW 166,600
KRW 78,400
    Cheapest
  • KRW 217,500
    Oct
  • KRW 220,200
    Nov
  • KRW 242,500
    Dec
  • KRW 195,400
    Jan
  • KRW 280,400
    Feb
  • KRW 343,000
    Mar
  • KRW 166,600
    Apr
  • KRW 249,800
    May
  • KRW 252,700
    Jun
  • KRW 277,600
    Jul
  • KRW 329,400
    Aug
  • KRW 253,600
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Portland International Airport?

The data is based on the average flight prices on Trip.com from Seattle-Tacoma International Airport to Portland International Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Seattle-Tacoma International Airport to Portland International Airport is usually Thursday, with average fares typically lower than other days. Try to avoid departing on Sunday, as prices are usually the highest on that day.

KRW 303,900
KRW 261,500
KRW 219,100
KRW 176,700
    Cheapest
  • KRW 254,300
    Mon
  • KRW 244,700
    Tue
  • KRW 226,000
    Wed
  • KRW 219,100
    Thu
  • KRW 265,000
    Fri
  • KRW 255,600
    Sat
  • KRW 303,900
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Portland International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Portland International Airport is Alaska Airlines (from KRW 93,200) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From KRW 93,200
Delta Air Lines
From KRW 105,100
Hahn Air
From KRW 197,100
United Airlines
From KRW 247,300
American Airlines
From KRW 581,300

Find more flights and airlines

What is the flight schedule from Seattle-Tacoma International Airport to Portland International Airport?

Check the schedule for flights from Seattle to Portland and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS1495

    Seattle-Tacoma International Airport

    9:59 PM

    SEA

    1h 3m

    11:02 PM

    PDX

    S M T W T F S
    Search

  2. DL3997

    Seattle-Tacoma International Airport

    7:45 PM

    SEA

    1h 5m

    8:50 PM

    PDX

    S M T W T - S
    Search

  3. DL3820

    Seattle-Tacoma International Airport

    6:55 PM

    SEA

    1h 5m

    8:00 PM

    PDX

    S M T W T F S
    Search

  4. DL3751

    Seattle-Tacoma International Airport

    10:35 PM

    SEA

    1h 4m

    11:39 PM

    PDX

    S M T W T F S
    Search

  5. AS279

    Seattle-Tacoma International Airport

    8:40 AM

    SEA

    1h 7m

    9:47 AM

    PDX

    S M T W T F S
    Search

  6. DL3818

    Seattle-Tacoma International Airport

    9:36 AM

    SEA

    1h 9m

    10:45 AM

    PDX

    S M T W T F S
    Search

  7. DL3953

    Seattle-Tacoma International Airport

    7:32 AM

    SEA

    1h 14m

    8:46 AM

    PDX

    S M T W T F S
    Search

  8. AS528

    Seattle-Tacoma International Airport

    9:59 AM

    SEA

    2h 27m

    Nonstop

    12:26 PM

    SFO

    S M T W T F S
    Search

  9. AS235

    San Francisco International Airport

    11:42 AM

    SFO

    1h 50m

    Nonstop

    1:32 PM

    PDX

    S M T W T F S

  10. AS688

    Seattle-Tacoma International Airport

    1:55 PM

    SEA

    2h 13m

    Nonstop

    4:08 PM

    SFO

    S M T W T F S
    Search

  11. AS525

    San Francisco International Airport

    6:58 PM

    SFO

    1h 52m

    Nonstop

    8:50 PM

    PDX

    S M T W T F S

  12. AS590

    Seattle-Tacoma International Airport

    8:36 PM

    SEA

    2h 13m

    Nonstop

    10:49 PM

    SFO

    S M T W T F S
    Search

  13. AS2023

    San Francisco International Airport

    10:08 PM

    SFO

    1h 50m

    Nonstop

    11:58 PM

    PDX

    S M T W T F S
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About Seattle-Tacoma International Airport and Portland International Airport

Learn about Seattle-Tacoma International Airport (SEA) and Portland International Airport (PDX) — including location, terminals, transportation, and travel tips.

Flight distance 207.68 km
Cheapest one-way ticket price KRW 93,200
Cheapest return ticket price KRW 143,800

FAQs for Seattle-Tacoma International Airport to Portland International Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to Portland International Airport?

    Seattle-Tacoma International Airport to Portland International Airport takes about 33 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 10 daily flights from Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX).
  • The earliest flight from Seattle-Tacoma International Airport to Portland International Airport departs at 06:00, and the last departs at 22:59, with about 37 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX) is quite popular. Without considering departure times or holidays, tickets cost around KRW 375,100 in October, the most expensive month to book this route.
  • Delta Air Lines is a very popular airline operating an average of 1746 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to Portland International Airport currently start from KRW 93,200, and round-trip fares start from KRW 143,800. The current lowest fare is a Alaska Airlines flight departing on Sat, Nov 7; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines, Icelandair and Qatar Airways operate direct flights from Seattle-Tacoma International Airport to Portland International Airport, with an average flight time of 31 minutes, and around 137 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Portland International Airport is KRW 486,500. Prices may vary depending on the departure date, airline, and availability.
  • Condor and WestJet are the most popular budget airlines flying from Seattle-Tacoma International Airport to Portland International Airport, with one-way fares starting from KRW 93,200. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to Portland International Airport operates around 139 weekly flights, mainly by Alaska Airlines, Delta Air Lines and Icelandair. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and Portland International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.