Trip.com
>
Cheap Flights
>
United States
>
Portland
>
Seattle to Portland flight
>
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 £53 and round-trip from £83. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 22:55
        1h 4m
        Direct
        PDX 23:59
        Seattle - Portland | Thu, Oct 15 | Delta Air Lines
        PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Wed, Oct 21 | Delta Air Lines
        £83 £176
        53% off
        53% off
        £176 £83
      • SEA 07:20
        1h 16m
        Direct
        PDX 08:36
        Seattle - Portland | Sat, Nov 28 | Delta Air Lines
        PDX 19:35
        1h 15m
        Direct
        SEA 20:50
        Portland - Seattle | Mon, Nov 30 | Delta Air Lines
        £126 £176
        28% off
        28% off
        £176 £126
      • SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Wed, Oct 21 | Delta Air Lines
        PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Fri, Oct 23 | Delta Air Lines
        £142 £176
        19% off
        19% off
        £176 £142
      • SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Sat, Oct 17 | Alaska Airlines
        PDX 14:30
        1h 5m
        Direct
        SEA 15:35
        Portland - Seattle | Mon, Oct 19 | Alaska Airlines
        £147
        16% off
        £176 £147
      • SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Sat, Oct 17 | Delta Air Lines
        PDX 07:00
        1h 19m
        Direct
        SEA 08:19
        Portland - Seattle | Mon, Oct 19 | Delta Air Lines
        £147
        16% off
        £176 £147
      • SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Sat, Oct 24 | Alaska Airlines
        PDX 19:37
        56m
        Direct
        SEA 20:33
        Portland - Seattle | Tue, Oct 27 | Alaska Airlines
        £158
        10% off
        £176 £158
      • SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Sun, Oct 18 | Alaska Airlines
        PDX 19:37
        56m
        Direct
        SEA 20:33
        Portland - Seattle | Sun, Oct 25 | Alaska Airlines
        £158
        10% off
        £176 £158
      • SEA 10:37
        1h 12m
        Direct
        PDX 11:49
        Seattle - Portland | Sat, Oct 24 | Delta Air Lines
        PDX 20:44
        1h 16m
        Direct
        SEA 22:00
        Portland - Seattle | Tue, Oct 27 | Delta Air Lines
        £159
        10% off
        £176 £159
      • SEA 09:36
        1h 9m
        Direct
        PDX 10:45
        Seattle - Portland | Sun, Oct 18 | Delta Air Lines
        PDX 09:31
        1h 9m
        Direct
        SEA 10:40
        Portland - Seattle | Sun, Oct 25 | Delta Air Lines
        £160
        9% off
        £176 £160
      • SEA 13:55
        6h 55m
        1 stop
        PDX 20:50
        Seattle - Portland | Wed, Oct 21 | Alaska Airlines
        PDX 14:53
        6h 32m
        1 stop
        SEA 21:25
        Portland - Seattle | Fri, Oct 23 | Alaska Airlines
        £144
        18% off
        £176 £144
      • SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Fri, Oct 30 | Alaska Airlines
        PDX 14:50
        8h 23m
        1 stop
        SEA 23:13
        Portland - Seattle | Tue, Nov 3 | Alaska Airlines
        £160
        9% off
        £176 £160
      • SEA 13:00
        17h 25m
        1 stop
        PDX 14:00
        Seattle - Portland | Wed, Oct 14 | Normal Airline
        PDX 15:00
        6h
        Direct
        SEA 16:00
        Portland - Seattle | Fri, Oct 16 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 21:59
        1h 1m
        Direct
        PDX 23:00
        Seattle - Portland | Sun, Nov 8 | Alaska Airlines
        £53 £90
        41% off
        41% off
        £90 £53
      • SEA 21:35
        1h 7m
        Direct
        PDX 22:42
        Seattle - Portland | Sun, Nov 8 | Delta Air Lines
        £60 £90
        33% off
        33% off
        £90 £60
      • SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Sat, Oct 17 | Delta Air Lines
        £64 £90
        28% off
        28% off
        £90 £64
      • SEA 21:59
        1h 1m
        Direct
        PDX 23:00
        Seattle - Portland | Sat, Nov 7 | Alaska Airlines
        £64
        28% off
        £90 £64
      • SEA 21:59
        1h 1m
        Direct
        PDX 23:00
        Seattle - Portland | Fri, Nov 13 | Alaska Airlines
        £66
        27% off
        £90 £66
      • SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Sat, Oct 17 | Alaska Airlines
        £66
        27% off
        £90 £66
      • SEA 18:55
        1h 5m
        Direct
        PDX 20:00
        Seattle - Portland | Sat, Nov 7 | Delta Air Lines
        £67
        26% off
        £90 £67
      • SEA 22:35
        1h 1m
        Direct
        PDX 23:36
        Seattle - Portland | Fri, Nov 13 | Delta Air Lines
        £67
        26% off
        £90 £67
      • SEA 20:55
        1h 1m
        Direct
        PDX 21:56
        Seattle - Portland | Sat, Oct 31 | Delta Air Lines
        £81
        10% off
        £90 £81
      • SEA 16:17
        7h 31m
        1 stop
        PDX 23:48
        Seattle - Portland | Tue, Nov 24 | Alaska Airlines
        £75
        17% off
        £90 £75
      • SEA 08:54
        7h 40m
        1 stop
        PDX 16:34
        Seattle - Portland | Wed, Nov 11 | Alaska Airlines
        £80
        11% off
        £90 £80
      • SEA 08:54
        7h 40m
        1 stop
        PDX 16:34
        Seattle - Portland | Wed, Nov 18 | Alaska Airlines
        £80
        11% off
        £90 £80
      • SEA 13:00
        17h 25m
        1 stop
        PDX 14:00
        Seattle - Portland | Wed, Oct 14 | Normal Airline
        Find more flights
        Find more flights

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 £95. It is best to avoid March, when the average price can reach £195.

£195
£145
£95
£45
    Cheapest
  • £124
    Oct
  • £125
    Nov
  • £138
    Dec
  • £111
    Jan
  • £159
    Feb
  • £195
    Mar
  • £95
    Apr
  • £142
    May
  • £144
    Jun
  • £158
    Jul
  • £187
    Aug
  • £144
    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 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.

£173
£149
£125
£101
    Cheapest
  • £145
    Mon
  • £139
    Tue
  • £129
    Wed
  • £125
    Thu
  • £151
    Fri
  • £145
    Sat
  • £173
    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 £53) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From £53
Delta Air Lines
From £60
Hahn Air
From £112
Frontier Airlines
From £137
United Airlines
From £143
American Airlines
From £1,727

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

    21:59

    SEA

    1h 3m

    23:02

    PDX

    S M T W T F S
    Search

  2. DL3997

    Seattle-Tacoma International Airport

    19:45

    SEA

    1h 5m

    20:50

    PDX

    S M T W T - S
    Search

  3. DL3820

    Seattle-Tacoma International Airport

    18:55

    SEA

    1h 5m

    20:00

    PDX

    S M T W T F S
    Search

  4. DL3751

    Seattle-Tacoma International Airport

    22:35

    SEA

    1h 4m

    23:39

    PDX

    S M T W T F S
    Search

  5. AS279

    Seattle-Tacoma International Airport

    08:40

    SEA

    1h 7m

    09:47

    PDX

    S M T W T F S
    Search

  6. DL3818

    Seattle-Tacoma International Airport

    09:36

    SEA

    1h 9m

    10:45

    PDX

    S M T W T F S
    Search

  7. DL3953

    Seattle-Tacoma International Airport

    07:32

    SEA

    1h 14m

    08:46

    PDX

    S M T W T F S
    Search

  8. AS528

    Seattle-Tacoma International Airport

    09:59

    SEA

    2h 27m

    Direct

    12:26

    SFO

    S M T W T F S
    Search

  9. AS235

    San Francisco International Airport

    11:42

    SFO

    1h 50m

    Direct

    13:32

    PDX

    S M T W T F S

  10. AS688

    Seattle-Tacoma International Airport

    13:55

    SEA

    2h 13m

    Direct

    16:08

    SFO

    S M T W T F S
    Search

  11. AS525

    San Francisco International Airport

    18:58

    SFO

    1h 52m

    Direct

    20:50

    PDX

    S M T W T F S

  12. AS590

    Seattle-Tacoma International Airport

    20:36

    SEA

    2h 13m

    Direct

    22:49

    SFO

    S M T W T F S
    Search

  13. AS2023

    San Francisco International Airport

    22:08

    SFO

    1h 50m

    Direct

    23:58

    PDX

    S M T W T F S
Find more flights and airlines

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 207.68km
Cheapest one-way ticket price £53
Cheapest return ticket price £83

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 £213 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 £53, and round-trip fares start from £83. The current lowest fare is a Alaska Airlines flight departing on Sun, Nov 8; 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 £276. 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 £53. 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.

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.

Book with no extra fees

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.