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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 £74 and round-trip from £125. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SEA 07:20
      1h 16m
      Direct
      PDX 08:36
      Seattle - Portland | Fri, Nov 27 | Delta Air Lines
      PDX 19:35
      1h 15m
      Direct
      SEA 20:50
      Portland - Seattle | Sun, Nov 29 | Delta Air Lines
      £125 £266
      53% off
      53% off
      £266 £125
    • SEA 20:59
      55m
      Direct
      PDX 21:54
      Seattle - Portland | Wed, Nov 25 | Alaska Airlines
      PDX 05:30
      1h 1m
      Direct
      SEA 06:31
      Portland - Seattle | Sat, Nov 28 | Alaska Airlines
      £156 £266
      41% off
      41% off
      £266 £156
    • SEA 07:20
      1h 16m
      Direct
      PDX 08:36
      Seattle - Portland | Wed, Nov 25 | Delta Air Lines
      PDX 07:00
      1h 18m
      Direct
      SEA 08:18
      Portland - Seattle | Sat, Nov 28 | Delta Air Lines
      £160 £266
      40% off
      40% off
      £266 £160
    • SEA 12:21
      1h 14m
      Direct
      PDX 13:35
      Seattle - Portland | Wed, Nov 18 | Delta Air Lines
      PDX 17:50
      1h 15m
      Direct
      SEA 19:05
      Portland - Seattle | Mon, Nov 23 | Delta Air Lines
      £163
      39% off
      £266 £163
    • SEA 19:59
      55m
      Direct
      PDX 20:54
      Seattle - Portland | Wed, Dec 23 | Alaska Airlines
      PDX 06:05
      1h
      Direct
      SEA 07:05
      Portland - Seattle | Sun, Dec 27 | Alaska Airlines
      £164
      38% off
      £266 £164
    • SEA 10:12
      1h 4m
      Direct
      PDX 11:16
      Seattle - Portland | Tue, Dec 22 | Alaska Airlines
      PDX 07:09
      1h 9m
      Direct
      SEA 08:18
      Portland - Seattle | Mon, Dec 28 | Alaska Airlines
      £166
      38% off
      £266 £166
    • SEA 07:59
      1h 8m
      Direct
      PDX 09:07
      Seattle - Portland | Tue, Dec 22 | Delta Air Lines
      PDX 16:15
      1h 13m
      Direct
      SEA 17:28
      Portland - Seattle | Mon, Dec 28 | Delta Air Lines
      £168
      37% off
      £266 £168
    • SEA 15:53
      57m
      Direct
      PDX 16:50
      Seattle - Portland | Thu, Nov 5 | Alaska Airlines
      PDX 06:08
      1h 2m
      Direct
      SEA 07:10
      Portland - Seattle | Mon, Nov 9 | Alaska Airlines
      £172
      35% off
      £266 £172
    • SEA 10:37
      1h 12m
      Direct
      PDX 11:49
      Seattle - Portland | Thu, Nov 5 | Delta Air Lines
      PDX 14:15
      1h 10m
      Direct
      SEA 15:25
      Portland - Seattle | Mon, Nov 9 | Delta Air Lines
      £179
      33% off
      £266 £179
    • SEA 13:00
      17h 25m
      1 stop
      PDX 14:00
      Seattle - Portland | Wed, Nov 4 | Normal Airline
      PDX 15:00
      6h
      Direct
      SEA 16:00
      Portland - Seattle | Fri, Nov 6 | Normal Airline
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    • Cheapest
      SEA 16:17
      7h 31m
      1 stop
      PDX 23:48
      Seattle - Portland | Mon, Nov 23 | Alaska Airlines
      £74 £112
      34% off
      34% off
      £112 £74
    • SEA 08:54
      7h 40m
      1 stop
      PDX 16:34
      Seattle - Portland | Tue, Nov 17 | Alaska Airlines
      £80 £112
      28% off
      28% off
      £112 £80
    • SEA 07:15
      1h 14m
      Direct
      PDX 08:29
      Seattle - Portland | Sun, Nov 15 | Delta Air Lines
      £82 £112
      27% off
      27% off
      £112 £82
    • SEA 22:35
      1h 1m
      Direct
      PDX 23:36
      Seattle - Portland | Sun, Nov 15 | Delta Air Lines
      £82
      59% off
      £198 £82
    • SEA 22:45
      1h 3m
      Direct
      PDX 23:48
      Seattle - Portland | Mon, Dec 28 | Delta Air Lines
      £83
      26% off
      £112 £83
    • SEA 07:20
      1h 16m
      Direct
      PDX 08:36
      Seattle - Portland | Fri, Nov 27 | Delta Air Lines
      £83
      26% off
      £112 £83
    • SEA 22:55
      57m
      Direct
      PDX 23:52
      Seattle - Portland | Sat, Dec 12 | Delta Air Lines
      £84
      25% off
      £112 £84
    • SEA 08:46
      5h 4m
      1 stop
      PDX 13:50
      Seattle - Portland | Tue, Dec 15 | Alaska Airlines
      £85
      24% off
      £112 £85
    • SEA 07:20
      6h 30m
      1 stop
      PDX 13:50
      Seattle - Portland | Wed, Dec 16 | Alaska Airlines
      £85
      24% off
      £112 £85
    • SEA 13:00
      17h 25m
      1 stop
      PDX 14:00
      Seattle - Portland | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      SEA 07:15
      1h 14m
      Direct
      PDX 08:29
      Seattle - Portland | Sun, Nov 15 | Delta Air Lines
      £82 £112
      27% off
      27% off
      £112 £82
    • SEA 22:35
      1h 1m
      Direct
      PDX 23:36
      Seattle - Portland | Sun, Nov 15 | Delta Air Lines
      £82 £198
      59% off
      59% off
      £198 £82
    • SEA 22:45
      1h 3m
      Direct
      PDX 23:48
      Seattle - Portland | Mon, Dec 28 | Delta Air Lines
      £83 £112
      26% off
      26% off
      £112 £83
    • SEA 07:20
      1h 16m
      Direct
      PDX 08:36
      Seattle - Portland | Fri, Nov 27 | Delta Air Lines
      £83
      26% off
      £112 £83
    • SEA 22:55
      57m
      Direct
      PDX 23:52
      Seattle - Portland | Sat, Dec 12 | Delta Air Lines
      £84
      25% off
      £112 £84
    • SEA 23:10
      1h
      Direct
      PDX 00:10
      Seattle - Portland | Sat, Dec 12 | Alaska Airlines
      £88
      21% off
      £112 £88
    • SEA 14:25
      56m
      Direct
      PDX 15:21
      Seattle - Portland | Tue, Dec 8 | Alaska Airlines
      £98
      51% off
      £198 £98
    • SEA 14:25
      56m
      Direct
      PDX 15:21
      Seattle - Portland | Sat, Dec 12 | Alaska Airlines
      £99
      50% off
      £198 £99
    • SEA 19:57
      57m
      Direct
      PDX 20:54
      Seattle - Portland | Wed, Dec 9 | Alaska Airlines
      £99
      50% off
      £198 £99
    • SEA 13:00
      17h 25m
      1 stop
      PDX 14:00
      Seattle - Portland | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      SEA 22:35
      1h 1m
      Direct
      PDX 23:36
      Seattle - Portland | Sun, Nov 15 | Delta Air Lines
      £82 £198
      59% off
      59% off
      £198 £82
    • SEA 07:20
      1h 16m
      Direct
      PDX 08:36
      Seattle - Portland | Fri, Nov 27 | Delta Air Lines
      £83 £198
      57% off
      57% off
      £198 £83
    • SEA 14:25
      56m
      Direct
      PDX 15:21
      Seattle - Portland | Tue, Dec 8 | Alaska Airlines
      £98 £198
      51% off
      51% off
      £198 £98
    • SEA 14:25
      56m
      Direct
      PDX 15:21
      Seattle - Portland | Sat, Dec 12 | Alaska Airlines
      £99
      50% off
      £198 £99
    • SEA 19:57
      57m
      Direct
      PDX 20:54
      Seattle - Portland | Wed, Dec 9 | Alaska Airlines
      £99
      50% off
      £198 £99
    • SEA 21:23
      54m
      Direct
      PDX 22:17
      Seattle - Portland | Thu, Jan 7 | Alaska Airlines
      £101
      49% off
      £198 £101
    • SEA 21:23
      54m
      Direct
      PDX 22:17
      Seattle - Portland | Tue, Jan 5 | Alaska Airlines
      £102
      48% off
      £198 £102
    • SEA 15:53
      57m
      Direct
      PDX 16:50
      Seattle - Portland | Sun, Nov 8 | Alaska Airlines
      £102
      48% off
      £198 £102
    • SEA 21:59
      1h 1m
      Direct
      PDX 23:00
      Seattle - Portland | Tue, Nov 3 | Alaska Airlines
      £105
      47% off
      £198 £105
    • SEA 13:00
      17h 25m
      1 stop
      PDX 14:00
      Seattle - Portland | Wed, Nov 4 | Normal Airline
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    • Cheapest nonstop
      SEA 15:53
      57m
      Direct
      PDX 16:50
      Seattle - Portland | Sun, Nov 8 | Alaska Airlines
      £102 £289
      65% off
      65% off
      £289 £102
    • SEA 21:59
      1h 1m
      Direct
      PDX 23:00
      Seattle - Portland | Tue, Nov 3 | Alaska Airlines
      £105 £289
      64% off
      64% off
      £289 £105
    • SEA 22:55
      1h 4m
      Direct
      PDX 23:59
      Seattle - Portland | Sun, Nov 8 | Delta Air Lines
      £109 £289
      62% off
      62% off
      £289 £109
    • SEA 08:45
      1h 3m
      Direct
      PDX 09:48
      Seattle - Portland | Wed, Nov 4 | Alaska Airlines
      £111
      62% off
      £289 £111
    • SEA 18:55
      1h 5m
      Direct
      PDX 20:00
      Seattle - Portland | Wed, Nov 4 | Delta Air Lines
      £114
      61% off
      £289 £114
    • SEA 07:40
      58m
      Direct
      PDX 08:38
      Seattle - Portland | Mon, Nov 9 | Alaska Airlines
      £151
      48% off
      £289 £151
    • SEA 08:45
      1h 3m
      Direct
      PDX 09:48
      Seattle - Portland | Fri, Nov 6 | Alaska Airlines
      £183
      37% off
      £289 £183
    • SEA 19:54
      56m
      Direct
      PDX 20:50
      Seattle - Portland | Sat, Nov 7 | Alaska Airlines
      £226
      22% off
      £289 £226
    • SEA 08:45
      1h 3m
      Direct
      PDX 09:48
      Seattle - Portland | Thu, Nov 5 | Alaska Airlines
      £228
      21% off
      £289 £228
    • SEA 13:00
      17h 25m
      1 stop
      PDX 14:00
      Seattle - Portland | Wed, Nov 4 | Normal Airline
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    • SEA 21:23
      54m
      Direct
      PDX 22:17
      Seattle - Portland | Thu, Jan 7 | Alaska Airlines
      £101 £198
      49% off
      49% off
      £198 £101
    • SEA 21:23
      54m
      Direct
      PDX 22:17
      Seattle - Portland | Tue, Jan 5 | Alaska Airlines
      £102 £198
      48% off
      48% off
      £198 £102
    • SEA 18:54
      55m
      Direct
      PDX 19:49
      Seattle - Portland | Mon, Nov 23 | Alaska Airlines
      £99 £173
      43% off
      43% off
      £173 £99
    • SEA 20:57
      55m
      Direct
      PDX 21:52
      Seattle - Portland | Tue, Dec 1 | Alaska Airlines
      £131
      24% off
      £173 £131
    • SEA 10:45
      55m
      Direct
      PDX 11:40
      Seattle - Portland | Thu, Nov 26 | Alaska Airlines
      £134
      23% off
      £173 £134
    • SEA 20:59
      55m
      Direct
      PDX 21:54
      Seattle - Portland | Fri, Nov 27 | Alaska Airlines
      £136
      21% off
      £173 £136
    • SEA 14:25
      56m
      Direct
      PDX 15:21
      Seattle - Portland | Tue, Dec 8 | Alaska Airlines
      £98
      51% off
      £198 £98
    • SEA 14:25
      56m
      Direct
      PDX 15:21
      Seattle - Portland | Sat, Dec 12 | Alaska Airlines
      £99
      50% off
      £198 £99
    • SEA 22:55
      57m
      Direct
      PDX 23:52
      Seattle - Portland | Sat, Dec 12 | Delta Air Lines
      £84
      25% off
      £112 £84
    • SEA 13:00
      17h 25m
      1 stop
      PDX 14:00
      Seattle - Portland | Wed, Nov 4 | Normal Airline
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Displayed flight fares from Seattle to Portland are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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 £94. It is best to avoid October, when the average price can reach £201.

£201
£148
£94
£41
    Cheapest
  • £124
    Nov
  • £137
    Dec
  • £110
    Jan
  • £158
    Feb
  • £193
    Mar
  • £94
    Apr
  • £141
    May
  • £143
    Jun
  • £157
    Jul
  • £186
    Aug
  • £143
    Sep
  • £201
    Oct

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 Wednesday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

£178
£152
£126
£100
    Cheapest
  • £144
    Mon
  • £150
    Tue
  • £126
    Wed
  • £126
    Thu
  • £150
    Fri
  • £157
    Sat
  • £178
    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 £74) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From £74
Delta Air Lines
From £82
Frontier Airlines
From £99
Hahn Air
From £112
United Airlines
From £142
American Airlines
From £234

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. AS315

    Seattle-Tacoma International Airport

    20:59

    SEA

    56m

    21:55

    PDX

    S M T W T F S
    Search

  2. AS3169

    Seattle-Tacoma International Airport

    08:46

    SEA

    1h 2m

    09:48

    PDX

    S M T W T F S
    Search

  3. DL3953

    Seattle-Tacoma International Airport

    07:32

    SEA

    1h 14m

    08:46

    PDX

    S M T W T F S
    Search

  4. AS1386

    Seattle-Tacoma International Airport

    18:33

    SEA

    2h 14m

    Direct

    20:47

    SFO

    S M T W T F S
    Search

  5. AS2023

    San Francisco International Airport

    21:41

    SFO

    1h 50m

    Direct

    23:31

    PDX

    S M T W T - S

  6. AS680

    Seattle-Tacoma International Airport

    15:48

    SEA

    2h 13m

    Direct

    18:01

    SFO

    S M T W T F S
    Search

  7. AS525

    San Francisco International Airport

    18:59

    SFO

    1h 48m

    Direct

    20:47

    PDX

    S M T W T F S

  8. AS528

    Seattle-Tacoma International Airport

    08:54

    SEA

    2h 21m

    Direct

    11:15

    SFO

    S M T W T F S
    Search

  9. AS235

    San Francisco International Airport

    11:53

    SFO

    1h 49m

    Direct

    13:42

    PDX

    S M T W T F S

  10. AS619

    Seattle-Tacoma International Airport

    07:30

    SEA

    2h 15m

    Direct

    09:45

    SFO

    S M T W T F S
    Search

  11. AS235

    San Francisco International Airport

    11:53

    SFO

    1h 49m

    Direct

    13:42

    PDX

    S M T W T F S

  12. AS1379

    Seattle-Tacoma International Airport

    13:35

    SEA

    2h 14m

    Direct

    15:49

    SFO

    - - T W - - S
    Search

  13. AS525

    San Francisco International Airport

    18:59

    SFO

    1h 48m

    Direct

    20:47

    PDX

    S M T W T F S

  14. AS688

    Seattle-Tacoma International Airport

    13:20

    SEA

    2h 11m

    Direct

    15:31

    SFO

    S M T W T - S
    Search

  15. AS525

    San Francisco International Airport

    18:59

    SFO

    1h 48m

    Direct

    20:47

    PDX

    S M T W T F S

  16. AS590

    Seattle-Tacoma International Airport

    19:39

    SEA

    2h 11m

    Direct

    21:50

    SFO

    S - - W T - S
    Search

  17. AS2023

    San Francisco International Airport

    21:41

    SFO

    1h 50m

    Direct

    23:31

    PDX

    S M T W T - 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 207.68km
Cheapest one-way ticket price £74
Cheapest return ticket price £125

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 13 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 07:20, and the last departs at 22:59, with about 23 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 £218 in November, 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 £74, and round-trip fares start from £125. The current lowest fare is a Alaska Airlines flight departing on Mon, Nov 23; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines, Condor and Sun Country Airlines operate direct flights from Seattle-Tacoma International Airport to Portland International Airport, with an average flight time of 30 minutes, and around 141 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 £243. Prices may vary depending on the departure date, airline, and availability.
  • WestJet, Condor and Sun Country Airlines are the most popular budget airlines flying from Seattle-Tacoma International Airport to Portland International Airport, with one-way fares starting from £74. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to Portland International Airport operates around 141 weekly flights, mainly by Alaska Airlines, Delta Air Lines and Condor. 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.