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Portland International Airport to Seattle Tacoma Intl. Airport flight
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Portland International Airport to Seattle Tacoma Intl. Airport Flights Info

Cheapest one-way
TRY 4,322
Delta Air Lines Delta Air Lines 1h 13m · Nonstop Fri, Dec 25
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Cheapest round-trip
TRY 5,622
Delta Air Lines Delta Air Lines 1h 15m · Nonstop Wed, Nov 18 - Mon, Nov 23
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When to travel
January
Cheapest

Explore the cheapest one-way and round-trip flights from Portland International Airport to Seattle Tacoma Intl. Airport over the next 90 days, with one-way fares from TRY 4,322 and round-trip from TRY 5,622. Based on Trip.com's latest 7-day flight data.

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Displayed flight fares from Portland to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

The cheapest airline flying from Portland International Airport to Seattle Tacoma Intl. Airport is Delta Air Lines (from TRY 4,322) among 2 carriers operating this route. Based on Trip.com's latest 7-day flight data.

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

What is the cheapest month for one-way flights from Portland International Airport to Seattle Tacoma Intl. Airport?

Data is based on average one-way flight prices from Portland International Airport to Seattle Tacoma Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Portland International Airport to Seattle Tacoma Intl. Airport, the best time to buy is in January, with an average price of TRY 5,310. You’ll want to avoid October, when the average price can reach as high as TRY 12,371.

TRY 12,371
TRY 8,841
TRY 5,310
TRY 1,780
    Cheapest
  • TRY 9,611
    Nov
  • TRY 7,773
    Dec
  • TRY 5,310
    Jan
  • TRY 6,360
    Feb
  • TRY 11,204
    Mar
  • TRY 9,483
    Apr
  • TRY 8,493
    May
  • TRY 10,408
    Jun
  • TRY 8,988
    Jul
  • TRY 11,559
    Aug
  • TRY 10,329
    Sep
  • TRY 12,371
    Oct

What is the cheapest day of the week to fly from Portland International Airport to Seattle Tacoma Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Portland International Airport to Seattle Tacoma Intl. 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 day to depart from Portland International Airport to Seattle Tacoma Intl. Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

TRY 12,933
TRY 10,548
TRY 8,162
TRY 5,777
    Cheapest
  • TRY 9,417
    Mon
  • TRY 10,698
    Tue
  • TRY 8,162
    Wed
  • TRY 9,695
    Thu
  • TRY 9,266
    Fri
  • TRY 12,933
    Sat
  • TRY 8,857
    Sun

What is the flight schedule from Portland International Airport to Seattle Tacoma Intl. 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. AS2205

    5:23 AM

    PDX

    57m

    6:20 AM

    SEA

    S M T W - F S
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  2. AS2284

    1:49 PM

    PDX

    59m

    2:48 PM

    SEA

    S M T W T F S
    Search
  3. AS490

    7:22 AM

    PDX

    1h 8m

    8:30 AM

    SEA

    S M T W T F S
    Search
  4. AS1432

    9:35 PM

    PDX

    1h 4m

    10:39 PM

    SEA

    S M T W - F S
    Search
  5. AS427

    7:08 AM

    PDX

    1h 7m

    8:15 AM

    SEA

    S M T W T F S
    Search
  6. DL3913

    7:40 PM

    PDX

    1h 10m

    8:50 PM

    SEA

    S M T W T - S
    Search
  7. AS3217

    10:30 AM

    PDX

    1h 10m

    11:40 AM

    SEA

    S M T W T F S
    Search
  8. DL3918

    5:51 PM

    PDX

    1h 14m

    7:05 PM

    SEA

    S M T W T F S
    Search
  9. DL3953

    9:16 AM

    PDX

    1h 28m

    10:44 AM

    SEA

    S M T W T F S
    Search
  10. AS236

    2:50 PM

    PDX

    1h 54m

    Nonstop

    4:44 PM

    SFO

    S M T W - F S
    Search
  11. AS620

    8:58 PM

    SFO

    2h 15m

    Nonstop

    11:13 PM

    SEA

    S - - W - - S
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FAQs for Portland International Airport to Seattle Tacoma Intl. Airport Flights

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

    Portland International Airport to Seattle Tacoma Intl. Airport takes about 37 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 8 daily flights from Portland International Airport (PDX) to Seattle Tacoma Intl. Airport (SEA).
  • The earliest flight from Portland International Airport to Seattle Tacoma Intl. Airport departs at 05:05, and the last departs at 21:59, with about 24 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 Intl. Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around TRY 15,452 in November, 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 Intl. Airport (SEA) at 06:40.
  • The latest flight departs from Portland International Airport (PDX) at 20:50 and arrives in Seattle Tacoma Intl. Airport (SEA) at 21:55.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • 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 Intl. Airport currently start from TRY 4,322, and round-trip fares start from TRY 5,622. The current lowest fare is a Delta Air Lines flight departing on Fri, Dec 25; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and Cathay Pacific operate direct flights from Portland International Airport to Seattle Tacoma Intl. Airport, with an average flight time of 34 minutes, and around 125 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 Intl. Airport is TRY 15,086. 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 Intl. Airport, with one-way fares starting from TRY 4,322. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Portland International Airport to Seattle Tacoma Intl. Airport operates around 131 weekly flights, mainly by Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Portland International Airport and Seattle Tacoma Intl. 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.