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Portland International Airport to King County (Boeing Field) International Airport flight

Explore the cheapest one-way and round-trip flights from Portland International Airport to King County (Boeing Field) International Airport over the next 90 days, with one-way fares from £72 and round-trip from £185. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Fri, Nov 13 | Air Excursion
      SEA 20:59
      56m
      Direct
      PDX 21:55
      Seattle - Portland | Fri, Nov 20 | Alaska Airlines
      £185 £429
      56% off
      56% off
      £429 £185
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Wed, Nov 11 | Air Excursion
      SEA 08:45
      1h 3m
      Direct
      PDX 09:48
      Seattle - Portland | Wed, Nov 18 | Alaska Airlines
      £190 £429
      56% off
      56% off
      £429 £190
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Nov 15 | Air Excursion
      SEA 12:02
      1h 11m
      Direct
      PDX 13:13
      Seattle - Portland | Tue, Nov 17 | Alaska Airlines
      £191 £429
      55% off
      55% off
      £429 £191
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Fri, Nov 20 | Air Excursion
      SEA 22:59
      55m
      Direct
      PDX 23:54
      Seattle - Portland | Fri, Nov 27 | Alaska Airlines
      £191
      55% off
      £429 £191
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Nov 22 | Air Excursion
      SEA 07:23
      57m
      Direct
      PDX 08:20
      Seattle - Portland | Mon, Nov 30 | Alaska Airlines
      £193
      55% off
      £429 £193
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Wed, Nov 18 | Air Excursion
      SEA 16:27
      56m
      Direct
      PDX 17:23
      Seattle - Portland | Wed, Nov 25 | Alaska Airlines
      £195
      55% off
      £429 £195
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Nov 8 | Air Excursion
      SEA 07:40
      58m
      Direct
      PDX 08:38
      Seattle - Portland | Sun, Nov 15 | Alaska Airlines
      £195
      55% off
      £429 £195
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Wed, Dec 2 | Air Excursion
      SEA 07:38
      57m
      Direct
      PDX 08:35
      Seattle - Portland | Wed, Dec 9 | Alaska Airlines
      £195
      55% off
      £429 £195
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sat, Nov 21 | Air Excursion
      SEA 08:40
      1h 3m
      Direct
      PDX 09:43
      Seattle - Portland | Sun, Nov 29 | Alaska Airlines
      £202
      53% off
      £429 £202
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Sun, Nov 8 | Normal Airline
      SEA 15:00
      6h
      Direct
      PDX 16:00
      Seattle - Portland | Tue, Nov 10 | Normal Airline
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    • Cheapest
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Jan 11 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • Cheapest
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Jan 7 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      £73 £128
      43% off
      43% off
      £128 £73
    • PDX 16:20
      50m
      Direct
      BFI 17:10
      Portland - Seattle | Sun, Nov 22 | Air Excursion
      £103
      20% off
      £128 £103
    • PDX 09:35
      50m
      Direct
      BFI 10:25
      Portland - Seattle | Tue, Dec 22 | Air Excursion
      £176
      35% off
      £270 £176
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Nov 12 | Air Excursion
      £218
      19% off
      £270 £218
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Sun, Nov 8 | Normal Airline
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    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Jan 11 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Jan 7 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      £73 £128
      43% off
      43% off
      £128 £73
    • PDX 16:20
      50m
      Direct
      BFI 17:10
      Portland - Seattle | Sun, Nov 22 | Air Excursion
      £103
      20% off
      £128 £103
    • PDX 09:35
      50m
      Direct
      BFI 10:25
      Portland - Seattle | Tue, Dec 22 | Air Excursion
      £176
      35% off
      £270 £176
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Nov 12 | Air Excursion
      £218
      19% off
      £270 £218
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Sun, Nov 8 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Jan 11 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Jan 7 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      £73 £128
      43% off
      43% off
      £128 £73
    • PDX 16:20
      50m
      Direct
      BFI 17:10
      Portland - Seattle | Sun, Nov 22 | Air Excursion
      £103
      20% off
      £128 £103
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Sun, Nov 8 | Normal Airline
      Find more flights
      Find more flights
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Jan 11 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Jan 7 | Air Excursion
      £72 £128
      44% off
      44% off
      £128 £72
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      £73 £128
      43% off
      43% off
      £128 £73
    • PDX 16:20
      50m
      Direct
      BFI 17:10
      Portland - Seattle | Sun, Nov 22 | Air Excursion
      £103
      20% off
      £128 £103
    • PDX 09:35
      50m
      Direct
      BFI 10:25
      Portland - Seattle | Tue, Dec 22 | Air Excursion
      £176
      35% off
      £270 £176
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Nov 12 | Air Excursion
      £218
      19% off
      £270 £218
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Sun, Nov 8 | 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 King County (Boeing Field) International Airport?

The cheapest airline flying from Portland International Airport to King County (Boeing Field) International Airport is Air Excursion (from £72) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Excursion
From £72

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What is the flight schedule from Portland International Airport to King County (Boeing Field) 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. X43141

    Portland International Airport

    21:25

    PDX

    50m

    22:15

    BFI

    S M T W T - -
    Search

  2. X43142

    Portland International Airport

    11:50

    PDX

    50m

    12:40

    BFI

    - - - - - - S
    Search

  3. X43101

    Portland International Airport

    06:45

    PDX

    50m

    07:35

    BFI

    S M T W T - -
    Search

  4. X43105

    Portland International Airport

    16:05

    PDX

    50m

    16:55

    BFI

    S M T W T - -
    Search
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About Portland International Airport and King County (Boeing Field) International Airport

Learn about Portland International Airport (PDX) and King County (Boeing Field) International Airport (BFI) — including location, terminals, transportation, and travel tips.

Flight distance 217.99km
Cheapest one-way ticket price £72
Cheapest return ticket price £185

FAQs for Portland International Airport to King County (Boeing Field) International Airport Flights

  • How many daily flights are there from Portland International Airport (PDX) to King County (Boeing Field) International Airport (BFI)?

    There are around 5 daily flights from Portland International Airport (PDX) to King County (Boeing Field) International Airport (BFI).
  • The earliest flight from Portland International Airport to King County (Boeing Field) International Airport departs at 18:21, and the last departs at 18:21, with about 1 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 King County (Boeing Field) International Airport (BFI) is quite popular. Without considering departure times or holidays, tickets cost around £72 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.
  • The closest airport to King County (Boeing Field) International Airport (BFI) is Kenmore Air Harbor Seaplane Base. The distance is around 10km.
  • Air Excursion, LLC is a very popular airline operating an average of 18 flights per month.
  • One-way flights from Portland International Airport to King County (Boeing Field) International Airport currently start from £176, and round-trip fares start from £185. The current lowest fare is a Air Excursion flight departing on Tue, Dec 22; prices may vary depending on availability.
  • Yes. Delta Air Lines operate direct flights from Portland International Airport to King County (Boeing Field) International Airport, with an average flight time of 31 minutes, and around 1 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 King County (Boeing Field) International Airport is £72. Prices may vary depending on the departure date, airline, and availability.
  • Portland International Airport to King County (Boeing Field) International Airport operates around 1 weekly flights, mainly by Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Portland International Airport and King County (Boeing Field) 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.

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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.