🇺🇸 PDX
Portland
135 mi
BFI 🇺🇸
Seattle

Portland to Seattle Flights

Portland International Airport Boeing Field King County International Airport 6 airlines

Get Notified About Route Changes

Track up to 3 airports free. Weekly alerts when airlines add or remove routes.

Sign Up Free

The Portland to Seattle route connects Portland International Airport (PDX) in US with Boeing Field King County International Airport (BFI) in US. This short-haul flight covers approximately 135 miles (217 km) with a typical flight time of 35m. This route is served by 6 airlines: UPS Airlines, NetJets Aviation, Boeing and others. AirportRoutes has tracked 19 unique flight numbers on this route.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search PDX → BFI flights

Opens a live price search — just pick your dates

Departure Airport

Portland International Airport

ICAO Code:
KPDX
IATA Code:
PDX
City:
🇺🇸 Portland
Country:
US
Elevation:
31 ft

Destination Airport

Boeing Field King County International Airport

ICAO Code:
KBFI
IATA Code:
BFI
City:
🇺🇸 Seattle
Country:
US
Elevation:
21 ft

6

Operators

19

Tracked Flights

135

Miles

35m

Flight Duration

Route Map

Great Circle
Flight route map from Portland to Seattle
Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline ICAO IATA
United Parcel Service UPS 5X
NetJets Aviation EJA 1I
Boeing BOE -
Flexjet LXJ -
Ameriflight AMF -
Delta Air Lines DAL DL

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 13 10%
Tuesday 14 11%
Wednesday 15 12%
Thursday 21 17%
Friday 23 19%
Saturday 14 11%
Sunday 24 19%

Pattern Analysis

19 Tracked Flights:
Data Points: 124
API observations used to build this analysis
Weekdays: 86 flights
Weekend: 38 flights
Business Route More active on weekdays

All Flight Routes

6 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
- - -
M T W T F S S
Jul 5, 2026 Active
- BE99 -
M T W T F S S
Jul 5, 2026 Active
C208 14:15 2:15 PM (Representative)
M T W T F S S
Jul 5, 2026 Active
- E55P -
M T W T F S S
Jul 5, 2026 Active
C68A 11:45 11:45 AM (Representative)
M T W T F S S
Jul 5, 2026 Active
B752 05:48 5:48 AM (Representative)
M T W T F S S
Jul 5, 2026 Active
Total Routes: 6
Active Routes: 6
Unique Airlines: 6
Aircraft Types: 6

Spotted Departure Times

Departure Time Operator ICAO IATA
05:48 5:48 AM United Parcel Service UPS 5X
11:45 11:45 AM NetJets Aviation EJA 1I
14:15 2:15 PM Boeing BOE -

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 3
Time Range:
05:48 - 14:15
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.