Trip.com
>
Flights
>
United States
>
Washington
>
Flights to Seattle
>
Portland to Seattle flight
>
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 € 87 and round-trip from € 206. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • Cheapest
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 29 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Nov 1 | Air Excursion
      € 119 € 316
      62% off
      62% off
      € 316 € 119
    • PDX 09:35
      50m
      Direct
      BFI 10:25
      Portland - Seattle | Sat, Nov 21 | Air Excursion
      € 175
      45% off
      € 316 € 175
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 22 | Air Excursion
      € 198
      16% off
      € 236 € 198
    • PDX 06:45
      50m
      Direct
      BFI 07:35
      Portland - Seattle | Wed, Oct 21 | Air Excursion
      € 198
      16% off
      € 236 € 198
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Wed, Dec 9 | Air Excursion
      € 234
      26% off
      € 316 € 234
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 2 | Air Excursion
      € 265
      16% off
      € 316 € 265
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Thu, Oct 22 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Oct 25 | Air Excursion
      SEA 07:20
      1h 8m
      Direct
      PDX 08:28
      Seattle - Portland | Sun, Nov 1 | Alaska Airlines
      € 206 € 289
      28% off
      28% off
      € 289 € 206
    • PDX 18:45
      50m
      Direct
      BFI 19:35
      Portland - Seattle | Wed, Oct 28 | Air Excursion
      SEA 08:40
      1h 7m
      Direct
      PDX 09:47
      Seattle - Portland | Wed, Nov 4 | Alaska Airlines
      € 206 € 289
      28% off
      28% off
      € 289 € 206
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Nov 1 | Air Excursion
      SEA 19:58
      56m
      Direct
      PDX 20:54
      Seattle - Portland | Sun, Nov 8 | Alaska Airlines
      € 217 € 289
      25% off
      25% off
      € 289 € 217
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Tue, Nov 17 | Air Excursion
      SEA 20:59
      56m
      Direct
      PDX 21:55
      Seattle - Portland | Tue, Nov 24 | Alaska Airlines
      € 221
      24% off
      € 289 € 221
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Wed, Nov 18 | Air Excursion
      SEA 07:40
      58m
      Direct
      PDX 08:38
      Seattle - Portland | Sun, Nov 22 | Alaska Airlines
      € 222
      23% off
      € 289 € 222
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Tue, Nov 10 | Air Excursion
      SEA 21:59
      1h 1m
      Direct
      PDX 23:00
      Seattle - Portland | Sun, Nov 15 | Alaska Airlines
      € 224
      22% off
      € 289 € 224
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Tue, Nov 3 | Air Excursion
      SEA 19:58
      56m
      Direct
      PDX 20:54
      Seattle - Portland | Tue, Nov 10 | Alaska Airlines
      € 227
      21% off
      € 289 € 227
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Sun, Nov 15 | Air Excursion
      SEA 08:45
      1h 3m
      Direct
      PDX 09:48
      Seattle - Portland | Sun, Nov 22 | Alaska Airlines
      € 227
      21% off
      € 289 € 227
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Nov 19 | Air Excursion
      SEA 12:02
      1h 11m
      Direct
      PDX 13:13
      Seattle - Portland | Sat, Nov 21 | Alaska Airlines
      € 228
      21% off
      € 289 € 228
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Thu, Oct 22 | Normal Airline
      SEA 15:00
      6h
      Direct
      PDX 16:00
      Seattle - Portland | Sat, Oct 24 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 29 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 22 | Air Excursion
      € 198 € 236
      16% off
      16% off
      € 236 € 198
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Thu, Oct 22 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 29 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 22 | Air Excursion
      € 198 € 236
      16% off
      16% off
      € 236 € 198
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Thu, Oct 22 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 22 | Air Excursion
      € 198 € 236
      16% off
      16% off
      € 236 € 198
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Thu, Oct 22 | Normal Airline
      Find more flights
      Find more flights
    • PDX 06:45
      50m
      Direct
      BFI 07:35
      Portland - Seattle | Wed, Oct 21 | Air Excursion
      € 198 € 236
      16% off
      16% off
      € 236 € 198
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Mon, Nov 16 | Air Excursion
      € 87 € 236
      63% off
      63% off
      € 236 € 87
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 22 | Air Excursion
      € 198 € 236
      16% off
      16% off
      € 236 € 198
    • PDX 21:25
      50m
      Direct
      BFI 22:15
      Portland - Seattle | Thu, Oct 29 | Air Excursion
      € 87
      63% off
      € 236 € 87
    • PDX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Portland - Seattle | Thu, Oct 22 | Normal Airline
      Find more flights
      Find more flights

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

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 € 87) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Excursion
From € 87

Find more flights and airlines

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. X43101

    Portland International Airport

    06:45

    PDX

    50m

    07:35

    BFI

    S M T W T - -
    Search

  3. X43145

    Portland International Airport

    16:20

    PDX

    50m

    17:10

    BFI

    - - - - - - S
    Search

  4. X43105

    Portland International Airport

    16:05

    PDX

    50m

    16:55

    BFI

    S M T W T - -
    Search
Find more flights and airlines

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 € 87
Cheapest return ticket price € 206

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 4 daily flights from Portland International Airport (PDX) to King County (Boeing Field) International Airport (BFI).
  • 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 € 198 in August, 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 € 119, and round-trip fares start from € 206. The current lowest fare is a Air Excursion flight departing on Sun, Nov 1; prices may vary depending on availability.
  • Yes. Air Excursion and LLC operate direct flights from Portland International Airport to King County (Boeing Field) International Airport, with an average flight time of 50 minutes, and around 0 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 € 118. Prices may vary depending on the departure date, airline, and availability.
  • 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.

Popular Destinations & Recommendations

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.