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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 KRW 118,200 and round-trip from KRW 245,400. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PDX 06:09
        1h
        Direct
        SEA 07:09
        Portland - Seattle | Tue, Oct 27 | Alaska Airlines
        SEA 21:59
        1h 3m
        Direct
        PDX 23:02
        Seattle - Portland | Tue, Nov 3 | Alaska Airlines
        KRW 245,400 KRW 325,900
        25% off
        25% off
        KRW 325,900 KRW 245,400
      • PDX 21:32
        1h 7m
        Direct
        SEA 22:39
        Portland - Seattle | Tue, Oct 6 | Alaska Airlines
        SEA 07:08
        1h 10m
        Direct
        PDX 08:18
        Seattle - Portland | Sat, Oct 10 | Alaska Airlines
        KRW 246,700 KRW 325,900
        24% off
        24% off
        KRW 325,900 KRW 246,700
      • PDX 09:51
        1h 12m
        Direct
        SEA 11:03
        Portland - Seattle | Tue, Oct 6 | Delta Air Lines
        SEA 07:30
        1h 13m
        Direct
        PDX 08:43
        Seattle - Portland | Sat, Oct 10 | Delta Air Lines
        KRW 248,100 KRW 325,900
        24% off
        24% off
        KRW 325,900 KRW 248,100
      • PDX 05:30
        1h 15m
        Direct
        SEA 06:45
        Portland - Seattle | Tue, Oct 27 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Tue, Nov 3 | Delta Air Lines
        KRW 249,300
        24% off
        KRW 325,900 KRW 249,300
      • PDX 06:20
        1h
        Direct
        SEA 07:20
        Portland - Seattle | Wed, Oct 21 | Alaska Airlines
        SEA 12:13
        1h 11m
        Direct
        PDX 13:24
        Seattle - Portland | Wed, Oct 28 | Alaska Airlines
        KRW 256,800
        21% off
        KRW 325,900 KRW 256,800
      • PDX 05:06
        54m
        Direct
        SEA 06:00
        Portland - Seattle | Tue, Nov 3 | Alaska Airlines
        SEA 08:40
        1h 7m
        Direct
        PDX 09:47
        Seattle - Portland | Tue, Nov 10 | Alaska Airlines
        KRW 257,000
        21% off
        KRW 325,900 KRW 257,000
      • PDX 15:48
        1h 1m
        Direct
        SEA 16:49
        Portland - Seattle | Sat, Oct 31 | Alaska Airlines
        SEA 07:20
        1h 8m
        Direct
        PDX 08:28
        Seattle - Portland | Sat, Nov 7 | Alaska Airlines
        KRW 259,600
        20% off
        KRW 325,900 KRW 259,600
      • PDX 07:09
        1h 15m
        Direct
        SEA 08:24
        Portland - Seattle | Thu, Oct 8 | Alaska Airlines
        SEA 07:08
        1h 10m
        Direct
        PDX 08:18
        Seattle - Portland | Sat, Oct 10 | Alaska Airlines
        KRW 260,500
        20% off
        KRW 325,900 KRW 260,500
      • PDX 20:44
        1h 16m
        Direct
        SEA 22:00
        Portland - Seattle | Wed, Nov 4 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Wed, Nov 11 | Delta Air Lines
        KRW 262,900
        19% off
        KRW 325,900 KRW 262,900
      • PDX 20:44
        1h 16m
        Direct
        SEA 22:00
        Portland - Seattle | Tue, Nov 3 | Delta Air Lines
        SEA 09:36
        1h 9m
        Direct
        PDX 10:45
        Seattle - Portland | Tue, Nov 10 | Delta Air Lines
        KRW 263,500
        19% off
        KRW 325,900 KRW 263,500
      • PDX 15:34
        1h 14m
        Direct
        SEA 16:48
        Portland - Seattle | Sat, Oct 31 | Delta Air Lines
        SEA 07:32
        1h 14m
        Direct
        PDX 08:46
        Seattle - Portland | Sat, Nov 7 | Delta Air Lines
        KRW 263,700
        19% off
        KRW 325,900 KRW 263,700
      • PDX 07:10
        1h 19m
        Direct
        SEA 08:29
        Portland - Seattle | Sat, Nov 14 | Delta Air Lines
        SEA 09:36
        1h 9m
        Direct
        PDX 10:45
        Seattle - Portland | Sat, Nov 21 | Delta Air Lines
        KRW 263,900
        19% off
        KRW 325,900 KRW 263,900
      • PDX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Portland - Seattle | Fri, Sep 25 | Normal Airline
        SEA 15:00
        6h
        Direct
        PDX 16:00
        Seattle - Portland | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        PDX 15:48
        1h 1m
        Direct
        SEA 16:49
        Portland - Seattle | Sat, Oct 17 | Alaska Airlines
        KRW 118,200 KRW 205,600
        43% off
        43% off
        KRW 205,600 KRW 118,200
      • PDX 20:44
        1h 16m
        Direct
        SEA 22:00
        Portland - Seattle | Tue, Oct 13 | Delta Air Lines
        KRW 120,000 KRW 205,600
        42% off
        42% off
        KRW 205,600 KRW 120,000
      • PDX 17:49
        1h 16m
        Direct
        SEA 19:05
        Portland - Seattle | Sat, Oct 17 | Delta Air Lines
        KRW 120,400 KRW 205,600
        41% off
        41% off
        KRW 205,600 KRW 120,400
      • PDX 20:44
        1h 16m
        Direct
        SEA 22:00
        Portland - Seattle | Thu, Oct 29 | Delta Air Lines
        KRW 121,000
        41% off
        KRW 205,600 KRW 121,000
      • PDX 19:37
        56m
        Direct
        SEA 20:33
        Portland - Seattle | Sat, Oct 3 | Alaska Airlines
        KRW 166,300
        19% off
        KRW 205,600 KRW 166,300
      • PDX 14:53
        6h 32m
        1 stop
        SEA 21:25
        Portland - Seattle | Tue, Oct 13 | Alaska Airlines
        KRW 125,900
        39% off
        KRW 205,600 KRW 125,900
      • PDX 07:04
        7h 24m
        1 stop
        SEA 14:28
        Portland - Seattle | Wed, Nov 4 | Alaska Airlines
        KRW 143,500
        30% off
        KRW 205,600 KRW 143,500
      • PDX 14:35
        7h 25m
        1 stop
        SEA 22:00
        Portland - Seattle | Wed, Oct 28 | Alaska Airlines
        KRW 143,500
        30% off
        KRW 205,600 KRW 143,500
      • PDX 14:45
        7h 15m
        1 stop
        SEA 22:00
        Portland - Seattle | Sat, Nov 7 | Alaska Airlines
        KRW 166,500
        19% off
        KRW 205,600 KRW 166,500
      • PDX 07:04
        6h 45m
        1 stop
        SEA 13:49
        Portland - Seattle | Thu, Nov 5 | Alaska Airlines
        KRW 166,500
        19% off
        KRW 205,600 KRW 166,500
      • PDX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Portland - Seattle | Fri, Sep 25 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Portland International Airport to Seattle-Tacoma 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 Portland International Airport to Seattle-Tacoma International Airport

What is the cheapest month to fly from Portland International Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Portland International Airport to Seattle-Tacoma 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 Portland International Airport to Seattle-Tacoma International Airport are usually in January, with an average price of KRW 142,700. It is best to avoid August, when the average price can reach KRW 310,500.

KRW 310,500
KRW 226,600
KRW 142,700
KRW 58,800
    Cheapest
  • KRW 143,100
    Sep
  • KRW 161,700
    Oct
  • KRW 258,200
    Nov
  • KRW 208,800
    Dec
  • KRW 142,700
    Jan
  • KRW 170,900
    Feb
  • KRW 301,000
    Mar
  • KRW 254,800
    Apr
  • KRW 228,200
    May
  • KRW 279,600
    Jun
  • KRW 241,500
    Jul
  • KRW 310,500
    Aug

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

The data is based on the past 12 months and shows the average ticket prices from Portland International Airport to Seattle-Tacoma 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 Portland International Airport to Seattle-Tacoma International Airport is Sunday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

KRW 295,700
KRW 242,650
KRW 189,600
KRW 136,550
    Cheapest
  • KRW 253,000
    Mon
  • KRW 213,700
    Tue
  • KRW 223,600
    Wed
  • KRW 255,500
    Thu
  • KRW 247,900
    Fri
  • KRW 295,700
    Sat
  • KRW 189,600
    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 KRW 134,200) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From KRW 134,200
Delta Air Lines
From KRW 142,500
Hahn Air
From KRW 175,800
United Airlines
From KRW 263,500

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. AS452

    Portland International Airport

    21:32

    PDX

    1h 7m

    22:39

    SEA

    S M T W T F S
    Search

  2. DL3918

    Portland International Airport

    17:50

    PDX

    1h 15m

    19:05

    SEA

    S M T W T F S
    Search

  3. DL3818

    Portland International Airport

    11:20

    PDX

    1h 17m

    12:37

    SEA

    S M T W T F S
    Search

  4. AS236

    Portland International Airport

    14:46

    PDX

    1h 53m

    Direct

    16:39

    SFO

    S M T W T F S
    Search

  5. AS1340

    San Francisco International Airport

    16:51

    SFO

    2h 16m

    Direct

    19:07

    SEA

    S M T W T F S

  6. AS1393

    Portland International Airport

    17:48

    PDX

    1h 59m

    Direct

    19:47

    SFO

    S M T W T F S
    Search

  7. AS620

    San Francisco International Airport

    06:07

    SFO

    2h 13m

    Direct

    08:20

    SEA

    S M T W T F S

  8. AS236

    Portland International Airport

    14:46

    PDX

    1h 53m

    Direct

    16:39

    SFO

    S M T W T F S
    Search

  9. AS591

    San Francisco International Airport

    19:22

    SFO

    2h 18m

    Direct

    21:40

    SEA

    S M T W T F S

  10. AS2283

    Portland International Airport

    14:45

    PDX

    1h 48m

    Direct

    16:33

    OAK

    S M T W T F S
    Search

  11. AS1359

    Oakland San Francisco Bay Airport

    19:53

    OAK

    2h 7m

    Direct

    22:00

    SEA

    S M T W T F S

  12. AS526

    Portland International Airport

    07:18

    PDX

    2h 5m

    Direct

    09:23

    SFO

    S M T W T F S
    Search

  13. AS656

    San Francisco International Airport

    13:51

    SFO

    2h 13m

    Direct

    16:04

    SEA

    S M T W T - S

  14. AS2190

    Portland International Airport

    08:14

    PDX

    56m

    09:10

    SEA

    S M T W T F S
    Search
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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 distance207.68km
Cheapest one-way ticket priceKRW 118,200
Cheapest return ticket priceKRW 245,400

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 36 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 14 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 05:07, and the last departs at 21:32, with about 22 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 KRW 308,600 in October, the most expensive month to book this route.
    • 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 KRW 118,200, and round-trip fares start from KRW 245,400. The current lowest fare is a Alaska Airlines flight departing on Sat, Oct 17; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and Korean Air operate direct flights from Portland International Airport to Seattle-Tacoma International Airport, with an average flight time of 32 minutes, and around 140 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 KRW 328,300. Prices may vary depending on the departure date, airline, and availability.
  • Condor and WestJet are the most popular budget airlines flying from Portland International Airport to Seattle-Tacoma International Airport, with one-way fares starting from KRW 118,200. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Portland International Airport to Seattle-Tacoma International Airport operates around 99 weekly flights, mainly by Alaska Airlines, Delta Air Lines and Korean Air. 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.

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.