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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 US$70 and round-trip from US$108. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Mon, Oct 19 | Alaska Airlines
        PDX 08:09
        1h 1m
        Direct
        SEA 09:10
        Portland - Seattle | Sat, Oct 24 | Alaska Airlines
        US$108 US$243
        56% off
        56% off
        US$243 US$108
      • SEA 22:55
        1h 4m
        Direct
        PDX 23:59
        Seattle - Portland | Fri, Oct 23 | Delta Air Lines
        PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Thu, Oct 29 | Delta Air Lines
        US$110 US$243
        55% off
        55% off
        US$243 US$110
      • SEA 07:30
        1h 13m
        Direct
        PDX 08:43
        Seattle - Portland | Mon, Oct 12 | Delta Air Lines
        PDX 17:49
        1h 15m
        Direct
        SEA 19:04
        Portland - Seattle | Wed, Oct 14 | Delta Air Lines
        US$111 US$243
        54% off
        54% off
        US$243 US$111
      • SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Mon, Oct 19 | Delta Air Lines
        PDX 12:29
        1h 10m
        Direct
        SEA 13:39
        Portland - Seattle | Sat, Oct 24 | Delta Air Lines
        US$113
        53% off
        US$243 US$113
      • SEA 12:13
        1h 11m
        Direct
        PDX 13:24
        Seattle - Portland | Mon, Oct 12 | Alaska Airlines
        PDX 07:09
        1h 16m
        Direct
        SEA 08:25
        Portland - Seattle | Wed, Oct 14 | Alaska Airlines
        US$153
        37% off
        US$243 US$153
      • SEA 09:30
        1h 10m
        Direct
        PDX 10:40
        Seattle - Portland | Mon, Sep 28 | Delta Air Lines
        PDX 20:44
        1h 21m
        Direct
        SEA 22:05
        Portland - Seattle | Fri, Oct 2 | Delta Air Lines
        US$157
        35% off
        US$243 US$157
      • SEA 18:51
        59m
        Direct
        PDX 19:50
        Seattle - Portland | Mon, Sep 28 | Alaska Airlines
        PDX 21:32
        1h 7m
        Direct
        SEA 22:39
        Portland - Seattle | Fri, Oct 2 | Alaska Airlines
        US$171
        30% off
        US$243 US$171
      • SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Thu, Oct 29 | Delta Air Lines
        PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Sat, Oct 31 | Delta Air Lines
        US$187
        23% off
        US$243 US$187
      • SEA 15:51
        59m
        Direct
        PDX 16:50
        Seattle - Portland | Sat, Oct 10 | Alaska Airlines
        PDX 07:09
        1h 16m
        Direct
        SEA 08:25
        Portland - Seattle | Wed, Oct 14 | Alaska Airlines
        US$194
        20% off
        US$243 US$194
      • SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Sat, Oct 24 | Alaska Airlines
        PDX 05:06
        54m
        Direct
        SEA 06:00
        Portland - Seattle | Tue, Oct 27 | Alaska Airlines
        US$194
        20% off
        US$243 US$194
      • SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Sun, Oct 25 | Alaska Airlines
        PDX 14:30
        1h 5m
        Direct
        SEA 15:35
        Portland - Seattle | Tue, Oct 27 | Alaska Airlines
        US$194
        20% off
        US$243 US$194
      • SEA 13:55
        6h 55m
        1 stop
        PDX 20:50
        Seattle - Portland | Thu, Oct 29 | Alaska Airlines
        PDX 14:53
        6h 32m
        1 stop
        SEA 21:25
        Portland - Seattle | Sat, Oct 31 | Alaska Airlines
        US$190
        22% off
        US$243 US$190
      • SEA 13:00
        17h 25m
        1 stop
        PDX 14:00
        Seattle - Portland | Thu, Sep 24 | Normal Airline
        PDX 15:00
        6h
        Direct
        SEA 16:00
        Portland - Seattle | Sat, Sep 26 | Normal Airline
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      • Cheapest nonstop
        SEA 21:59
        1h 1m
        Direct
        PDX 23:00
        Seattle - Portland | Sat, Nov 7 | Alaska Airlines
        US$70 US$110
        36% off
        36% off
        US$110 US$70
      • SEA 21:35
        1h 7m
        Direct
        PDX 22:42
        Seattle - Portland | Sat, Nov 7 | Delta Air Lines
        US$79 US$110
        28% off
        28% off
        US$110 US$79
      • SEA 21:59
        1h 3m
        Direct
        PDX 23:02
        Seattle - Portland | Tue, Oct 6 | Alaska Airlines
        US$80 US$110
        27% off
        27% off
        US$110 US$80
      • SEA 22:55
        1h 4m
        Direct
        PDX 23:59
        Seattle - Portland | Tue, Oct 6 | Delta Air Lines
        US$81
        26% off
        US$110 US$81
      • SEA 20:55
        1h 1m
        Direct
        PDX 21:56
        Seattle - Portland | Mon, Oct 19 | Delta Air Lines
        US$84
        24% off
        US$110 US$84
      • SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Fri, Oct 16 | Delta Air Lines
        US$84
        24% off
        US$110 US$84
      • SEA 08:45
        1h 3m
        Direct
        PDX 09:48
        Seattle - Portland | Tue, Nov 3 | Alaska Airlines
        US$85
        23% off
        US$110 US$85
      • SEA 21:59
        1h 1m
        Direct
        PDX 23:00
        Seattle - Portland | Fri, Nov 6 | Alaska Airlines
        US$85
        23% off
        US$110 US$85
      • SEA 21:59
        1h 1m
        Direct
        PDX 23:00
        Seattle - Portland | Thu, Nov 12 | Alaska Airlines
        US$88
        20% off
        US$110 US$88
      • SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Mon, Oct 19 | Alaska Airlines
        US$88
        20% off
        US$110 US$88
      • SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Fri, Oct 16 | Alaska Airlines
        US$88
        20% off
        US$110 US$88
      • SEA 18:55
        1h 5m
        Direct
        PDX 20:00
        Seattle - Portland | Tue, Nov 3 | Delta Air Lines
        US$88
        20% off
        US$110 US$88
      • SEA 13:00
        17h 25m
        1 stop
        PDX 14:00
        Seattle - Portland | Thu, Sep 24 | Normal Airline
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Displayed flight fares from Seattle-Tacoma International Airport to Portland International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

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

What is the cheapest month to fly from Seattle-Tacoma International Airport to Portland International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to Portland International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Portland International Airport are usually in April, with an average price of US$125. It is best to avoid March, when the average price can reach US$257.

US$257
US$191
US$125
US$59
    Cheapest
  • US$169
    Sep
  • US$185
    Oct
  • US$165
    Nov
  • US$182
    Dec
  • US$147
    Jan
  • US$210
    Feb
  • US$257
    Mar
  • US$125
    Apr
  • US$187
    May
  • US$190
    Jun
  • US$208
    Jul
  • US$247
    Aug

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 past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to Portland International Airport for each day of the week in the Trip.com database.

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

US$228
US$200
US$171
US$143
    Cheapest
  • US$191
    Mon
  • US$184
    Tue
  • US$172
    Wed
  • US$171
    Thu
  • US$202
    Fri
  • US$189
    Sat
  • US$228
    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 US$70) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From US$70
Delta Air Lines
From US$79
Hahn Air
From US$150
United Airlines
From US$186
Air Canada
From US$250
American Airlines
From US$436

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. DL3997

    Seattle-Tacoma International Airport

    19:45

    SEA

    1h 5m

    20:50

    PDX

    S M T W T F S
    Search

  2. AS488

    Seattle-Tacoma International Airport

    12:13

    SEA

    1h 11m

    13:24

    PDX

    S M T W T F S
    Search

  3. DL3953

    Seattle-Tacoma International Airport

    07:30

    SEA

    1h 11m

    08:41

    PDX

    S M T W T F S
    Search

  4. AS688

    Seattle-Tacoma International Airport

    13:36

    SEA

    2h 11m

    Direct

    15:47

    SFO

    S M T W T F S
    Search

  5. AS525

    San Francisco International Airport

    19:38

    SFO

    1h 44m

    Direct

    21:22

    PDX

    S M T W T F S

  6. AS680

    Seattle-Tacoma International Airport

    13:41

    SEA

    2h 15m

    Direct

    15:56

    SFO

    S M T W T F S
    Search

  7. AS2023

    San Francisco International Airport

    22:08

    SFO

    1h 50m

    Direct

    23:58

    PDX

    S M T W T F S

  8. AS680

    Seattle-Tacoma International Airport

    13:41

    SEA

    2h 15m

    Direct

    15:56

    SFO

    S M T W T F S
    Search

  9. AS525

    San Francisco International Airport

    19:38

    SFO

    1h 44m

    Direct

    21:22

    PDX

    S M T W T F S

  10. AS590

    Seattle-Tacoma International Airport

    16:17

    SEA

    2h 12m

    Direct

    18:29

    SFO

    S M T W T - S
    Search

  11. AS2023

    San Francisco International Airport

    22:08

    SFO

    1h 50m

    Direct

    23:58

    PDX

    S M T W T F S

  12. AS528

    Seattle-Tacoma International Airport

    09:59

    SEA

    2h 27m

    Direct

    12:26

    SFO

    S M T W T F S
    Search

  13. AS1302

    San Francisco International Airport

    14:57

    SFO

    1h 47m

    Direct

    16:44

    PDX

    S M T W T F S

  14. DL2635

    Seattle-Tacoma International Airport

    21:25

    SEA

    2h 16m

    Direct

    23:41

    SFO

    S M T W T F S
    Search

  15. AS240

    San Francisco International Airport

    12:02

    SFO

    1h 48m

    Direct

    13:50

    PDX

    - - - - - F -
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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 distance207.68km
Cheapest one-way ticket priceUS$70
Cheapest return ticket priceUS$108

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 35 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 14 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 07:08, and the last departs at 22:59, with about 22 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 US$200 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 US$70, and round-trip fares start from US$108. 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 and Icelandair operate direct flights from Seattle-Tacoma International Airport to Portland International Airport, with an average flight time of 32 minutes, and around 138 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 US$239. 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 US$70. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to Portland International Airport operates around 99 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.

Find Cheap Flights with Trip.com

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

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.