Trip.com
>
Flights
>
United States
>
Washington
>
Flights to Seattle
>
Portland to Seattle flight
>
Portland International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Portland International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from MXN$1,801 and round-trip from MXN$1,823. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PDX 09:31
        1h 8m
        Direct
        SEA 10:39
        Portland - Seattle | Mon, Oct 26 | Alaska Airlines
        SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Mon, Nov 2 | Alaska Airlines
        MXN$1,823 MXN$3,210
        43% off
        43% off
        MXN$3,210 MXN$1,823
      • PDX 07:09
        1h 16m
        Direct
        SEA 08:25
        Portland - Seattle | Wed, Oct 28 | Alaska Airlines
        SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Wed, Nov 4 | Alaska Airlines
        MXN$1,845 MXN$3,210
        43% off
        43% off
        MXN$3,210 MXN$1,845
      • PDX 07:09
        1h 16m
        Direct
        SEA 08:25
        Portland - Seattle | Thu, Oct 29 | Alaska Airlines
        SEA 12:13
        1h 11m
        Direct
        PDX 13:24
        Seattle - Portland | Thu, Nov 5 | Alaska Airlines
        MXN$1,922 MXN$3,210
        40% off
        40% off
        MXN$3,210 MXN$1,922
      • PDX 15:34
        1h 14m
        Direct
        SEA 16:48
        Portland - Seattle | Sat, Nov 14 | Delta Air Lines
        SEA 07:20
        1h 16m
        Direct
        PDX 08:36
        Seattle - Portland | Wed, Nov 18 | Delta Air Lines
        MXN$2,043
        36% off
        MXN$3,210 MXN$2,043
      • PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Mon, Oct 26 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Mon, Nov 2 | Delta Air Lines
        MXN$2,043
        36% off
        MXN$3,210 MXN$2,043
      • PDX 15:31
        1h 14m
        Direct
        SEA 16:45
        Portland - Seattle | Fri, Nov 13 | Delta Air Lines
        SEA 07:20
        1h 16m
        Direct
        PDX 08:36
        Seattle - Portland | Wed, Nov 18 | Delta Air Lines
        MXN$2,043
        36% off
        MXN$3,210 MXN$2,043
      • PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Thu, Nov 12 | Delta Air Lines
        SEA 07:20
        1h 16m
        Direct
        PDX 08:36
        Seattle - Portland | Wed, Nov 18 | Delta Air Lines
        MXN$2,043
        36% off
        MXN$3,210 MXN$2,043
      • PDX 19:35
        1h 15m
        Direct
        SEA 20:50
        Portland - Seattle | Wed, Nov 25 | Delta Air Lines
        SEA 07:20
        1h 16m
        Direct
        PDX 08:36
        Seattle - Portland | Mon, Nov 30 | Delta Air Lines
        MXN$2,043
        36% off
        MXN$3,210 MXN$2,043
      • PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Wed, Oct 28 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Wed, Nov 4 | Delta Air Lines
        MXN$2,062
        36% off
        MXN$3,210 MXN$2,062
      • PDX 05:00
        1h 2m
        Direct
        SEA 06:02
        Portland - Seattle | Fri, Dec 11 | Alaska Airlines
        SEA 23:10
        1h
        Direct
        PDX 00:10
        Seattle - Portland | Tue, Dec 15 | Alaska Airlines
        MXN$2,073
        35% off
        MXN$3,210 MXN$2,073
      • PDX 20:44
        1h 16m
        Direct
        SEA 22:00
        Portland - Seattle | Thu, Oct 29 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Thu, Nov 5 | Delta Air Lines
        MXN$2,142
        33% off
        MXN$3,210 MXN$2,142
      • PDX 15:31
        1h 14m
        Direct
        SEA 16:45
        Portland - Seattle | Thu, Oct 22 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Sun, Oct 25 | Delta Air Lines
        MXN$2,375
        26% off
        MXN$3,210 MXN$2,375
      • PDX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Portland - Seattle | Fri, Oct 16 | Normal Airline
        SEA 15:00
        6h
        Direct
        PDX 16:00
        Seattle - Portland | Sun, Oct 18 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Thu, Nov 5 | Delta Air Lines
        MXN$1,851 MXN$3,046
        39% off
        39% off
        MXN$3,046 MXN$1,851
      • PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Sat, Nov 7 | Delta Air Lines
        MXN$1,966 MXN$3,046
        35% off
        35% off
        MXN$3,046 MXN$1,966
      • PDX 17:47
        1h 15m
        Direct
        SEA 19:02
        Portland - Seattle | Thu, Dec 10 | Delta Air Lines
        MXN$1,993 MXN$3,046
        35% off
        35% off
        MXN$3,046 MXN$1,993
      • PDX 11:54
        8h
        1 stop
        SEA 19:54
        Portland - Seattle | Mon, Nov 16 | Alaska Airlines
        MXN$1,801
        41% off
        MXN$3,046 MXN$1,801
      • PDX 07:04
        7h 24m
        1 stop
        SEA 14:28
        Portland - Seattle | Wed, Nov 11 | Alaska Airlines
        MXN$1,941
        36% off
        MXN$3,046 MXN$1,941
      • PDX 14:45
        7h 15m
        1 stop
        SEA 22:00
        Portland - Seattle | Tue, Nov 24 | Alaska Airlines
        MXN$2,246
        26% off
        MXN$3,046 MXN$2,246
      • PDX 10:56
        7h 17m
        1 stop
        SEA 18:13
        Portland - Seattle | Wed, Dec 9 | Alaska Airlines
        MXN$2,249
        26% off
        MXN$3,046 MXN$2,249
      • PDX 07:04
        6h 45m
        1 stop
        SEA 13:49
        Portland - Seattle | Thu, Nov 12 | Alaska Airlines
        MXN$2,251
        26% off
        MXN$3,046 MXN$2,251
      • PDX 14:45
        7h 15m
        1 stop
        SEA 22:00
        Portland - Seattle | Tue, Nov 10 | Alaska Airlines
        MXN$2,251
        26% off
        MXN$3,046 MXN$2,251
      • PDX 14:50
        5h 4m
        1 stop
        SEA 19:54
        Portland - Seattle | Mon, Nov 9 | Alaska Airlines
        MXN$2,254
        26% off
        MXN$3,046 MXN$2,254
      • PDX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Portland - Seattle | Fri, Oct 16 | Normal Airline
        Find more flights
        Find more flights

Flight prices from Portland International Airport to Seattle-Tacoma International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

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

Which month has the cheapest one-way flights from Portland International Airport to Seattle-Tacoma International Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from Portland International Airport to Seattle-Tacoma International Airport.

Based on Trip.com data from the past 12 months, the cheapest one-way flights from Portland International Airport to Seattle-Tacoma International Airport are usually in January, with an average price of MXN$1,929. August sees the highest fares, around MXN$4,200.

MXN$4,200
MXN$3,065
MXN$1,929
MXN$794
    Cheapest
  • MXN$2,544
    Oct
  • MXN$3,492
    Nov
  • MXN$2,824
    Dec
  • MXN$1,929
    Jan
  • MXN$2,311
    Feb
  • MXN$4,071
    Mar
  • MXN$3,445
    Apr
  • MXN$3,086
    May
  • MXN$3,781
    Jun
  • MXN$3,266
    Jul
  • MXN$4,200
    Aug
  • MXN$3,753
    Sep

Which day of the week has the cheapest flights from Portland International Airport to Seattle-Tacoma International Airport?

The data is based on Trip.com data from the past 12 months and shows the average fares by each day of the week from Portland International Airport to Seattle-Tacoma International Airport.

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

MXN$3,999
MXN$3,319
MXN$2,639
MXN$1,959
    Cheapest
  • MXN$3,422
    Mon
  • MXN$3,472
    Tue
  • MXN$3,024
    Wed
  • MXN$3,487
    Thu
  • MXN$3,416
    Fri
  • MXN$3,999
    Sat
  • MXN$2,639
    Sun

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

The cheapest airline flying from Portland International Airport to Seattle-Tacoma International Airport is Alaska Airlines (from MXN$1,801) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From MXN$1,801
Delta Air Lines
From MXN$1,851
Hahn Air
From MXN$2,789
Frontier Airlines
From MXN$3,327
United Airlines
From MXN$3,462
American Airlines
From MXN$7,483
Sun Country Airlines
From MXN$7,552

Find more flights and airlines

What is the 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. AS1409

    Portland International Airport

    11:03

    PDX

    1h 2m

    12:05

    SEA

    S M T W T F S
    Search

  2. AS3342

    Portland International Airport

    14:30

    PDX

    1h 5m

    15:35

    SEA

    S M T W T F S
    Search

  3. AS427

    Portland International Airport

    07:09

    PDX

    1h 16m

    08:25

    SEA

    S M T W T F S
    Search

  4. DL3918

    Portland International Airport

    17:49

    PDX

    1h 16m

    19:05

    SEA

    S M T W T F S
    Search

  5. AS526

    Portland International Airport

    07:00

    PDX

    2h

    Direct

    09:00

    SFO

    S M T W T F S
    Search

  6. AS1327

    San Francisco International Airport

    06:00

    SFO

    2h 17m

    Direct

    08:17

    SEA

    S M T W T F S

  7. AS236

    Portland International Airport

    14:45

    PDX

    2h 1m

    Direct

    16:46

    SFO

    S M T W T F S
    Search

  8. AS1340

    San Francisco International Airport

    17:44

    SFO

    2h 14m

    Direct

    19:58

    SEA

    S M T W T F S

  9. AS236

    Portland International Airport

    14:45

    PDX

    2h 1m

    Direct

    16:46

    SFO

    S M T W T F S
    Search

  10. AS620

    San Francisco International Airport

    06:07

    SFO

    2h 13m

    Direct

    08:20

    SEA

    S M T W - F S

  11. AS526

    Portland International Airport

    07:00

    PDX

    2h

    Direct

    09:00

    SFO

    S M T W T F S
    Search

  12. AS580

    San Francisco International Airport

    11:00

    SFO

    2h 16m

    Direct

    13:16

    SEA

    S M T W T F S

  13. AS1403

    Portland International Airport

    10:48

    PDX

    2h

    Direct

    12:48

    SFO

    S M T W T F S
    Search

  14. AS630

    San Francisco International Airport

    15:21

    SFO

    2h 12m

    Direct

    17:33

    SEA

    S M T W T F S

  15. AS526

    Portland International Airport

    07:00

    PDX

    2h

    Direct

    09:00

    SFO

    S M T W T F S
    Search

  16. AS656

    San Francisco International Airport

    13:51

    SFO

    2h 13m

    Direct

    16:04

    SEA

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

About Portland International Airport and Seattle-Tacoma International Airport

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

Flight distance 207.68km
Cheapest one-way ticket price MXN$1,801
Cheapest return ticket price MXN$1,823

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

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

    Portland International Airport to Seattle-Tacoma International Airport takes about 35 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 17 daily flights from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Portland International Airport to Seattle-Tacoma International Airport departs at 05:06, and the last departs at 21:32, with about 38 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • 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 MXN$5,438 in October, the most expensive month to book this route.
  • The earliest flight departs from Portland International Airport (PDX) at 05:30 and arrives in Seattle-Tacoma International Airport (SEA) at 06:30.
  • The latest flight departs from Portland International Airport (PDX) at 20:45 and arrives in Seattle-Tacoma International Airport (SEA) at 21:40.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Delta Air Lines is a very popular airline operating an average of 1385 flights per month.
  • One-way flights from Portland International Airport to Seattle-Tacoma International Airport currently start from MXN$1,801, and round-trip fares start from MXN$1,823. The current lowest fare is a Alaska Airlines flight departing on Mon, Nov 16; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and Icelandair operate direct flights from Portland International Airport to Seattle-Tacoma International Airport, with an average flight time of 34 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 Portland International Airport to Seattle-Tacoma International Airport is MXN$4,864. Prices may vary depending on the departure date, airline, and availability.
  • Westjet and Condor are the most popular budget airlines flying from Portland International Airport to Seattle-Tacoma International Airport, with one-way fares starting from MXN$1,801. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Portland International Airport to Seattle-Tacoma International Airport operates around 140 weekly flights, mainly by Alaska Airlines, Delta Air Lines and Icelandair. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Portland International Airport and Seattle-Tacoma 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.

Popular Destinations & Recommendations

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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.