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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 IDR 1,791,900 and round-trip from IDR 3,032,000. Based on Trip.com's latest 7-day flight data.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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

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

Based on Trip.com 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 IDR 2,280,800. October sees the highest fares, around IDR 4,878,000.

IDR 4,878,000
IDR 3,579,400
IDR 2,280,800
IDR 982,200
    Cheapest
  • IDR 3,015,200
    Nov
  • IDR 3,321,200
    Dec
  • IDR 2,676,600
    Jan
  • IDR 3,841,000
    Feb
  • IDR 4,697,600
    Mar
  • IDR 2,280,800
    Apr
  • IDR 3,421,400
    May
  • IDR 3,461,100
    Jun
  • IDR 3,801,500
    Jul
  • IDR 4,511,300
    Aug
  • IDR 3,472,600
    Sep
  • IDR 4,878,000
    Oct

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

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

IDR 4,309,800
IDR 3,682,650
IDR 3,055,500
IDR 2,428,350
    Cheapest
  • IDR 3,483,200
    Mon
  • IDR 3,649,300
    Tue
  • IDR 3,055,500
    Wed
  • IDR 3,060,900
    Thu
  • IDR 3,629,200
    Fri
  • IDR 3,809,000
    Sat
  • IDR 4,309,800
    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 IDR 1,791,900) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From IDR 1,791,900
Delta Air Lines
From IDR 1,994,000
Hahn Air
From IDR 2,698,700
Frontier Airlines
From IDR 3,220,400
United Airlines
From IDR 3,433,500
American Airlines
From IDR 5,689,700

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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

    20:59

    SEA

    56m

    21:55

    PDX

    S M T W T F S
    Search
  2. AS1495

    21:59

    SEA

    1h 1m

    23:00

    PDX

    S M T W - F S
    Search
  3. AS3169

    08:46

    SEA

    1h 2m

    09:48

    PDX

    S M T W T F S
    Search
  4. DL3918

    16:00

    SEA

    1h 4m

    17:04

    PDX

    S M T W T F S
    Search
  5. DL3953

    07:32

    SEA

    1h 14m

    08:46

    PDX

    S M T W T F S
    Search
  6. AS680

    15:51

    SEA

    2h 13m

    Direct

    18:04

    SFO

    S M T W T F S
    Search
  7. AS525

    18:59

    SFO

    1h 48m

    Direct

    20:47

    PDX

    S M T W T F S
  8. AS528

    08:54

    SEA

    2h 21m

    Direct

    11:15

    SFO

    S M T W T F S
    Search
  9. AS235

    11:41

    SFO

    1h 49m

    Direct

    13:30

    PDX

    S M T W T F S
  10. AS619

    08:45

    SEA

    2h 16m

    Direct

    11:01

    SFO

    S M T W T F S
    Search
  11. AS235

    11:41

    SFO

    1h 49m

    Direct

    13:30

    PDX

    S M T W T F S
  12. AS1379

    13:35

    SEA

    2h 14m

    Direct

    15:49

    SFO

    - - T W - - S
    Search
  13. AS525

    18:59

    SFO

    1h 48m

    Direct

    20:47

    PDX

    S M T W T F S
  14. AS688

    13:20

    SEA

    2h 11m

    Direct

    15:31

    SFO

    S M T W T - S
    Search
  15. AS525

    18:59

    SFO

    1h 48m

    Direct

    20:47

    PDX

    S M T W T F 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 IDR 1,791,900
Cheapest return ticket price IDR 3,032,000

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 11 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 IDR 5,280,000 in November, the most expensive month to book this route.
  • The earliest flight departs from Seattle-Tacoma International Airport (SEA) at 05:20 and arrives in Portland International Airport (PDX) at 06:18.
  • The latest flight departs from Seattle-Tacoma International Airport (SEA) at 21:58 and arrives in Portland International Airport (PDX) at 22:59.
  • 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 IDR 1,791,900, and round-trip fares start from IDR 3,032,000. The current lowest fare is a Alaska Airlines flight departing on Tue, Nov 24; 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 IDR 5,910,900. 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 IDR 1,791,900. 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.

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.