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Portland International Airport to Seattle-Tacoma International Airport flight
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Portland International Airport to Seattle-Tacoma International Airport Flights Info

Cheapest one-way
€94
Delta Air Lines Delta Air Lines 1h 14m · Direct Tue, Dec 22
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Cheapest return
€102
Delta Air Lines Delta Air Lines 1h 15m · Direct Wed, Nov 25 - Mon, Nov 30
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Best time to book
January
Cheapest
Recommended airlines
Delta Air Lines Delta Air LinesCheapest· From €94 Alaska Airlines Alaska AirlinesMost booked

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 €94 and round-trip from €102. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      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
      €102 €218
      53% off
      53% off
      €218 €102
    • 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
      €103 €218
      53% off
      53% off
      €218 €103
    • PDX 17:59
      1h 13m
      Direct
      SEA 19:12
      Portland - Seattle | Sat, Dec 12 | Delta Air Lines
      SEA 07:20
      1h 13m
      Direct
      PDX 08:33
      Seattle - Portland | Tue, Dec 15 | Delta Air Lines
      €149 €218
      32% off
      32% off
      €218 €149
    • PDX 05:30
      1h 15m
      Direct
      SEA 06:45
      Portland - Seattle | Sun, Nov 15 | Delta Air Lines
      SEA 09:40
      1h 12m
      Direct
      PDX 10:52
      Seattle - Portland | Sun, Nov 22 | Delta Air Lines
      €149
      32% off
      €218 €149
    • PDX 17:51
      1h 14m
      Direct
      SEA 19:05
      Portland - Seattle | Wed, Nov 18 | Delta Air Lines
      SEA 07:20
      1h 16m
      Direct
      PDX 08:36
      Seattle - Portland | Wed, Nov 25 | Delta Air Lines
      €152
      30% off
      €218 €152
    • PDX 19:35
      1h 15m
      Direct
      SEA 20:50
      Portland - Seattle | Fri, Nov 20 | Delta Air Lines
      SEA 09:40
      1h 12m
      Direct
      PDX 10:52
      Seattle - Portland | Sun, Nov 22 | Delta Air Lines
      €153
      30% off
      €218 €153
    • PDX 17:51
      1h 14m
      Direct
      SEA 19:05
      Portland - Seattle | Sun, Nov 29 | Delta Air Lines
      SEA 20:58
      59m
      Direct
      PDX 21:57
      Seattle - Portland | Sun, Dec 6 | Delta Air Lines
      €168
      23% off
      €218 €168
    • PDX 21:30
      1h 13m
      Direct
      SEA 22:43
      Portland - Seattle | Wed, Dec 23 | Alaska Airlines
      SEA 07:26
      1h 3m
      Direct
      PDX 08:29
      Seattle - Portland | Wed, Dec 30 | Alaska Airlines
      €184
      16% off
      €218 €184
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Wed, Dec 16 | Alaska Airlines
      SEA 20:57
      55m
      Direct
      PDX 21:52
      Seattle - Portland | Wed, Dec 23 | Alaska Airlines
      €185
      15% off
      €218 €185
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Mon, Nov 16 | Normal Airline
      SEA 15:00
      6h
      Direct
      PDX 16:00
      Seattle - Portland | Wed, Nov 18 | Normal Airline
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    • Cheapest
      PDX 19:41
      1h 14m
      Direct
      SEA 20:55
      Portland - Seattle | Tue, Dec 22 | Delta Air Lines
      €94 €309
      70% off
      70% off
      €309 €94
    • PDX 07:00
      7h 55m
      1 stop
      SEA 14:55
      Portland - Seattle | Mon, Dec 21 | Alaska Airlines
      €98 €138
      28% off
      28% off
      €138 €98
    • PDX 07:00
      5h 59m
      1 stop
      SEA 12:59
      Portland - Seattle | Tue, Dec 22 | Alaska Airlines
      €101 €138
      27% off
      27% off
      €138 €101
    • PDX 10:56
      7h 17m
      1 stop
      SEA 18:13
      Portland - Seattle | Sat, Dec 19 | Alaska Airlines
      €101
      27% off
      €138 €101
    • PDX 14:30
      6h 26m
      1 stop
      SEA 20:56
      Portland - Seattle | Tue, Jan 12 | Alaska Airlines
      €111
      20% off
      €138 €111
    • PDX 14:30
      6h 26m
      1 stop
      SEA 20:56
      Portland - Seattle | Wed, Jan 13 | Alaska Airlines
      €111
      20% off
      €138 €111
    • PDX 07:34
      7h 29m
      1 stop
      SEA 15:03
      Portland - Seattle | Tue, Nov 17 | Alaska Airlines
      €112
      19% off
      €138 €112
    • PDX 07:34
      7h 29m
      1 stop
      SEA 15:03
      Portland - Seattle | Sat, Nov 21 | Alaska Airlines
      €112
      19% off
      €138 €112
    • PDX 07:00
      5h 59m
      1 stop
      SEA 12:59
      Portland - Seattle | Tue, Dec 15 | Alaska Airlines
      €112
      19% off
      €138 €112
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Mon, Nov 16 | Normal Airline
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    • Cheapest nonstop
      PDX 19:41
      1h 14m
      Direct
      SEA 20:55
      Portland - Seattle | Tue, Dec 22 | Delta Air Lines
      €94 €309
      70% off
      70% off
      €309 €94
    • PDX 13:49
      59m
      Direct
      SEA 14:48
      Portland - Seattle | Wed, Dec 2 | Alaska Airlines
      €118 €138
      14% off
      14% off
      €138 €118
    • PDX 09:16
      1h 29m
      Direct
      SEA 10:45
      Portland - Seattle | Wed, Dec 2 | Delta Air Lines
      €120 €138
      13% off
      13% off
      €138 €120
    • PDX 07:30
      1h 5m
      Direct
      SEA 08:35
      Portland - Seattle | Wed, Dec 2 | Alaska Airlines
      €122
      61% off
      €309 €122
    • PDX 06:25
      1h 3m
      Direct
      SEA 07:28
      Portland - Seattle | Wed, Jan 6 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 12:00
      57m
      Direct
      SEA 12:57
      Portland - Seattle | Tue, Jan 5 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Sat, Dec 5 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 21:45
      1h 12m
      Direct
      SEA 22:57
      Portland - Seattle | Wed, Dec 30 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Wed, Dec 9 | Alaska Airlines
      €124
      60% off
      €309 €124
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Mon, Nov 16 | Normal Airline
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    • Cheapest nonstop
      PDX 19:41
      1h 14m
      Direct
      SEA 20:55
      Portland - Seattle | Tue, Dec 22 | Delta Air Lines
      €94 €309
      70% off
      70% off
      €309 €94
    • PDX 07:30
      1h 5m
      Direct
      SEA 08:35
      Portland - Seattle | Wed, Dec 2 | Alaska Airlines
      €122 €309
      61% off
      61% off
      €309 €122
    • PDX 06:25
      1h 3m
      Direct
      SEA 07:28
      Portland - Seattle | Wed, Jan 6 | Alaska Airlines
      €123 €309
      60% off
      60% off
      €309 €123
    • PDX 12:00
      57m
      Direct
      SEA 12:57
      Portland - Seattle | Tue, Jan 5 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Sat, Dec 5 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 21:45
      1h 12m
      Direct
      SEA 22:57
      Portland - Seattle | Wed, Dec 30 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Wed, Dec 9 | Alaska Airlines
      €124
      60% off
      €309 €124
    • PDX 17:32
      1h 2m
      Direct
      SEA 18:34
      Portland - Seattle | Tue, Dec 8 | Alaska Airlines
      €124
      60% off
      €309 €124
    • PDX 08:21
      1h 3m
      Direct
      SEA 09:24
      Portland - Seattle | Tue, Dec 29 | Alaska Airlines
      €125
      60% off
      €309 €125
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Mon, Nov 16 | Normal Airline
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    • Cheapest nonstop
      PDX 17:45
      1h
      Direct
      SEA 18:45
      Portland - Seattle | Sun, Nov 15 | Alaska Airlines
      €446 €513
      13% off
      13% off
      €513 €446
    • PDX 07:08
      1h 7m
      Direct
      SEA 08:15
      Portland - Seattle | Mon, Nov 16 | Alaska Airlines
      €265 €513
      48% off
      48% off
      €513 €265
    • PDX 07:08
      1h 7m
      Direct
      SEA 08:15
      Portland - Seattle | Tue, Nov 17 | Alaska Airlines
      €387 €513
      25% off
      25% off
      €513 €387
    • PDX 14:15
      1h 10m
      Direct
      SEA 15:25
      Portland - Seattle | Tue, Nov 17 | Delta Air Lines
      €321
      37% off
      €513 €321
    • PDX 07:00
      1h 18m
      Direct
      SEA 08:18
      Portland - Seattle | Wed, Nov 18 | Delta Air Lines
      €223
      56% off
      €513 €223
    • PDX 07:08
      1h 7m
      Direct
      SEA 08:15
      Portland - Seattle | Wed, Nov 18 | Alaska Airlines
      €219
      56% off
      €513 €219
    • PDX 08:08
      1h
      Direct
      SEA 09:08
      Portland - Seattle | Thu, Nov 19 | Alaska Airlines
      €216
      57% off
      €513 €216
    • PDX 14:15
      1h 10m
      Direct
      SEA 15:25
      Portland - Seattle | Fri, Nov 20 | Delta Air Lines
      €189
      63% off
      €513 €189
    • PDX 14:49
      1h
      Direct
      SEA 15:49
      Portland - Seattle | Fri, Nov 20 | Alaska Airlines
      €210
      59% off
      €513 €210
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Mon, Nov 16 | Normal Airline
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    • PDX 11:57
      55m
      Direct
      SEA 12:52
      Portland - Seattle | Sat, Dec 12 | Alaska Airlines
      €164 €256
      36% off
      36% off
      €256 €164
    • PDX 12:00
      57m
      Direct
      SEA 12:57
      Portland - Seattle | Tue, Jan 5 | Alaska Airlines
      €123 €309
      60% off
      60% off
      €309 €123
    • PDX 19:36
      58m
      Direct
      SEA 20:34
      Portland - Seattle | Fri, Nov 27 | Alaska Airlines
      €216 €256
      16% off
      16% off
      €256 €216
    • PDX 13:49
      59m
      Direct
      SEA 14:48
      Portland - Seattle | Wed, Dec 2 | Alaska Airlines
      €118
      14% off
      €138 €118
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Sat, Dec 5 | Alaska Airlines
      €123
      60% off
      €309 €123
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Wed, Dec 9 | Alaska Airlines
      €124
      60% off
      €309 €124
    • PDX 16:03
      59m
      Direct
      SEA 17:02
      Portland - Seattle | Sat, Dec 12 | Alaska Airlines
      €268
      13% off
      €309 €268
    • PDX 06:05
      1h
      Direct
      SEA 07:05
      Portland - Seattle | Fri, Dec 18 | Alaska Airlines
      €144
      44% off
      €256 €144
    • PDX 13:52
      1h
      Direct
      SEA 14:52
      Portland - Seattle | Sat, Dec 26 | Alaska Airlines
      €222
      13% off
      €256 €222
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Mon, Nov 16 | Normal Airline
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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 International Airport?

The cheapest airline flying from Portland International Airport to Seattle-Tacoma International Airport is Delta Air Lines (from €94) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
Alaska Airlines logo Alaska Airlines

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 €96. It is best to avoid October, when the average price can reach €223.

€223
€160
€96
€33
    Cheapest
  • €173
    Nov
  • €140
    Dec
  • €96
    Jan
  • €115
    Feb
  • €202
    Mar
  • €171
    Apr
  • €153
    May
  • €188
    Jun
  • €162
    Jul
  • €208
    Aug
  • €186
    Sep
  • €223
    Oct

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

€233
€190
€147
€104
    Cheapest
  • €170
    Mon
  • €193
    Tue
  • €147
    Wed
  • €175
    Thu
  • €167
    Fri
  • €233
    Sat
  • €160
    Sun

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. AS2205

    Portland International Airport

    05:23

    PDX

    57m

    06:20

    SEA

    S M T W - - S
    Search

  2. AS2284

    Portland International Airport

    13:49

    PDX

    59m

    14:48

    SEA

    S M T W T F S
    Search

  3. AS3038

    Portland International Airport

    12:02

    PDX

    1h 4m

    13:06

    SEA

    S M T W - - S
    Search

  4. AS2254

    Portland International Airport

    17:40

    PDX

    1h

    18:40

    SEA

    S M T W - - S
    Search

  5. AS490

    Portland International Airport

    07:22

    PDX

    1h 8m

    08:30

    SEA

    S M T W T F S
    Search

  6. AS1432

    Portland International Airport

    21:45

    PDX

    1h 12m

    22:57

    SEA

    S M T W - F S
    Search

  7. AS427

    Portland International Airport

    07:08

    PDX

    1h 7m

    08:15

    SEA

    S M T W T F S
    Search

  8. DL3913

    Portland International Airport

    19:40

    PDX

    1h 10m

    20:50

    SEA

    S M T W T - S
    Search

  9. DL3918

    Portland International Airport

    17:51

    PDX

    1h 14m

    19:05

    SEA

    S M T W T F S
    Search

  10. DL3953

    Portland International Airport

    09:09

    PDX

    1h 28m

    10:37

    SEA

    S M T W T F S
    Search
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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 37 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 12 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 05:05, 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 International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around €315 in November, 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 €98, and round-trip fares start from €102. The current lowest fare is a Alaska Airlines flight departing on Mon, Dec 21; prices may vary depending on availability.
  • Yes. Alaska Airlines and Delta Air Lines operate direct flights from Portland International Airport to Seattle-Tacoma International Airport, with an average flight time of 35 minutes, and around 134 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 €272. 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 €98. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Portland International Airport to Seattle-Tacoma International 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 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.