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Portland International Airport to Seattle-Tacoma International Airport flight

Search for flights from Portland to Seattle and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        PDX 8:24 PM
        1h 14m
        Nonstop
        SEA 9:38 PM
        Portland - Seattle | Fri, Sep 4 | Delta Air Lines
        SEA 10:40 AM
        1h 5m
        Nonstop
        PDX 11:45 AM
        Seattle - Portland | Tue, Sep 8 | Delta Air Lines
        PLN 619 PLN 757
        18% off
        18% off
        PLN 757 PLN 619
      • PDX 5:41 PM
        1h 10m
        Nonstop
        SEA 6:51 PM
        Portland - Seattle | Fri, Aug 28 | Alaska Airlines
        SEA 11:59 AM
        1h 11m
        Nonstop
        PDX 1:10 PM
        Seattle - Portland | Fri, Sep 4 | Alaska Airlines
        PLN 624 PLN 757
        18% off
        18% off
        PLN 757 PLN 624
      • PDX 11:22 AM
        1h 18m
        Nonstop
        SEA 12:40 PM
        Portland - Seattle | Thu, Sep 10 | Delta Air Lines
        SEA 7:30 AM
        1h 13m
        Nonstop
        PDX 8:43 AM
        Seattle - Portland | Fri, Sep 18 | Delta Air Lines
        PLN 624 PLN 757
        18% off
        18% off
        PLN 757 PLN 624
      • PDX 5:54 PM
        1h 11m
        Nonstop
        SEA 7:05 PM
        Portland - Seattle | Fri, Aug 28 | Delta Air Lines
        SEA 9:35 AM
        1h 7m
        Nonstop
        PDX 10:42 AM
        Seattle - Portland | Fri, Sep 4 | Delta Air Lines
        PLN 625
        17% off
        PLN 757 PLN 625
      • PDX 5:07 AM
        53m
        Nonstop
        SEA 6:00 AM
        Portland - Seattle | Mon, Sep 14 | Alaska Airlines
        SEA 7:08 AM
        1h 10m
        Nonstop
        PDX 8:18 AM
        Seattle - Portland | Mon, Sep 21 | Alaska Airlines
        PLN 641
        15% off
        PLN 757 PLN 641
      • PDX 3:25 PM
        1h 12m
        Nonstop
        SEA 4:37 PM
        Portland - Seattle | Mon, Sep 14 | Delta Air Lines
        SEA 7:30 AM
        1h 13m
        Nonstop
        PDX 8:43 AM
        Seattle - Portland | Mon, Sep 21 | Delta Air Lines
        PLN 648
        14% off
        PLN 757 PLN 648
      • PDX 6:20 AM
        1h
        Nonstop
        SEA 7:20 AM
        Portland - Seattle | Mon, Aug 31 | Alaska Airlines
        SEA 11:59 AM
        1h 11m
        Nonstop
        PDX 1:10 PM
        Seattle - Portland | Tue, Sep 1 | Alaska Airlines
        PLN 649
        14% off
        PLN 757 PLN 649
      • PDX 5:07 AM
        53m
        Nonstop
        SEA 6:00 AM
        Portland - Seattle | Fri, Sep 4 | Alaska Airlines
        SEA 3:50 PM
        59m
        Nonstop
        PDX 4:49 PM
        Seattle - Portland | Fri, Sep 11 | Alaska Airlines
        PLN 654
        14% off
        PLN 757 PLN 654
      • PDX 5:30 AM
        1h 7m
        Nonstop
        SEA 6:37 AM
        Portland - Seattle | Thu, Sep 3 | Delta Air Lines
        SEA 10:50 PM
        1h 6m
        Nonstop
        PDX 11:56 PM
        Seattle - Portland | Fri, Sep 11 | Delta Air Lines
        PLN 656
        13% off
        PLN 757 PLN 656
      • PDX 11:22 AM
        1h 18m
        Nonstop
        SEA 12:40 PM
        Portland - Seattle | Mon, Aug 31 | Delta Air Lines
        SEA 7:25 AM
        1h 11m
        Nonstop
        PDX 8:36 AM
        Seattle - Portland | Mon, Sep 7 | Delta Air Lines
        PLN 658
        13% off
        PLN 757 PLN 658
      • PDX 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Portland - Seattle | Wed, Jul 29 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        PDX 4:00 PM
        Seattle - Portland | Fri, Jul 31 | Normal Airline
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      • Cheapest nonstop
        PDX 9:32 PM
        1h 7m
        Nonstop
        SEA 10:39 PM
        Portland - Seattle | Wed, Sep 2 | Alaska Airlines
        PLN 422 PLN 510
        17% off
        17% off
        PLN 510 PLN 422
      • PDX 7:40 PM
        1h 6m
        Nonstop
        SEA 8:46 PM
        Portland - Seattle | Wed, Aug 12 | Delta Air Lines
        PLN 427 PLN 510
        16% off
        16% off
        PLN 510 PLN 427
      • PDX 8:24 PM
        1h 14m
        Nonstop
        SEA 9:38 PM
        Portland - Seattle | Wed, Sep 2 | Delta Air Lines
        PLN 437 PLN 510
        14% off
        14% off
        PLN 510 PLN 437
      • PDX 9:32 PM
        1h 7m
        Nonstop
        SEA 10:39 PM
        Portland - Seattle | Sat, Aug 22 | Alaska Airlines
        PLN 438
        14% off
        PLN 510 PLN 438
      • PDX 9:32 PM
        1h 7m
        Nonstop
        SEA 10:39 PM
        Portland - Seattle | Wed, Aug 19 | Alaska Airlines
        PLN 438
        14% off
        PLN 510 PLN 438
      • PDX 9:32 PM
        1h 7m
        Nonstop
        SEA 10:39 PM
        Portland - Seattle | Sat, Aug 29 | Alaska Airlines
        PLN 438
        14% off
        PLN 510 PLN 438
      • PDX 9:32 PM
        1h 7m
        Nonstop
        SEA 10:39 PM
        Portland - Seattle | Wed, Sep 9 | Alaska Airlines
        PLN 438
        14% off
        PLN 510 PLN 438
      • PDX 7:05 PM
        55m
        Nonstop
        SEA 8:00 PM
        Portland - Seattle | Wed, Aug 12 | Alaska Airlines
        PLN 440
        14% off
        PLN 510 PLN 440
      • PDX 9:20 AM
        57m
        Nonstop
        SEA 10:17 AM
        Portland - Seattle | Sat, Sep 5 | Alaska Airlines
        PLN 443
        13% off
        PLN 510 PLN 443
      • PDX 9:32 PM
        1h 7m
        Nonstop
        SEA 10:39 PM
        Portland - Seattle | Wed, Aug 26 | Alaska Airlines
        PLN 443
        13% off
        PLN 510 PLN 443
      • PDX 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Portland - Seattle | Wed, Jul 29 | Normal Airline
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Trip.com Price Insights: Flights from Portland International Airport to Seattle-Tacoma International Airport

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

The data is based on the average one-way flight prices on Trip.com for flights from Portland International Airport to Seattle-Tacoma 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 Portland International Airport to Seattle-Tacoma International Airport, the best time to book is in September, with an average price of PLN 394. Try to avoid March, when prices are highest, averaging around PLN 833.

PLN 833
PLN 614
PLN 394
PLN 175
    Cheapest
  • PLN 640
    Jul
  • PLN 590
    Aug
  • PLN 394
    Sep
  • PLN 448
    Oct
  • PLN 715
    Nov
  • PLN 578
    Dec
  • PLN 395
    Jan
  • PLN 473
    Feb
  • PLN 833
    Mar
  • PLN 706
    Apr
  • PLN 632
    May
  • PLN 774
    Jun

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

The data is based on the average flight prices on Trip.com from Portland International Airport to Seattle-Tacoma 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 Portland International Airport to Seattle-Tacoma International Airport is usually Monday, with average fares typically lower than other days. Try to avoid departing on Saturday, as prices are usually the highest on that day.

PLN 746
PLN 606
PLN 466
PLN 326
  • PLN 466
    Mon
  • PLN 601
    Tue
  • PLN 625
    Wed
  • PLN 579
    Thu
  • PLN 728
    Fri
  • PLN 746
    Sat
  • PLN 522
    Sun

Selected Airlines from Portland International Airport to Seattle-Tacoma International Airport

See which airlines fly from Portland to Seattle. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Alaska Airlines
From PLN 427
Delta Air Lines
From PLN 427
Hahn Air
From PLN 670
American Airlines
From PLN 1,543

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Flight Schedule from Portland International Airport to Seattle-Tacoma International Airport

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS2313

    Portland International Airport

    7:38 PM

    PDX

    55m

    8:33 PM

    SEA

    S - T W T - S
    Search

  2. DL3918

    Portland International Airport

    5:50 PM

    PDX

    1h 9m

    6:59 PM

    SEA

    S M T W T F S
    Search

  3. DL3923

    Portland International Airport

    8:44 PM

    PDX

    1h 12m

    9:56 PM

    SEA

    S M T W T - S
    Search
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Portland International Airport to Seattle-Tacoma International Airport Flights Info

Flight distance 207.68 km
Cheapest one-way ticket price PLN 422
Cheapest return ticket price PLN 619

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

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

    It takes around 1 hour 4 minutes to fly from Portland International Airport (pdx) to Seattle-Tacoma International Airport (sea).
  • There are around 17 daily flights from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA).
  • Tickets cost around PLN 653 in August, making it the cheapest month to book. Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) is a popular route, so don't forget to book your tickets in advance.
  • The route from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around PLN 653 in August, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • Delta Air Lines is a very popular airline operating an average of 1385 flights per month.

Popular Destinations

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.