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Find low faresSouthwest® flights from Philadelphia to Portland, OR from $132
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1 Passenger
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Low fares from Philadelphia to Portland, OR
$
Philadelphia (PHL)to
Portland, OR (PDX)
Depart: 03/21/2026
One-way
Basic
From
$132
Seen: 2 hrs ago
Philadelphia (PHL)to
Portland, OR (PDX)
Depart: 04/01/2026
One-way
Basic
From
$139
Seen: 18 hrs ago
Philadelphia (PHL)to
Portland, OR (PDX)
Depart: 04/11/2026
One-way
Basic
From
$148
Seen: 9 hrs ago
Philadelphia (PHL)to
Portland, OR (PDX)
Depart: 05/09/2026
One-way
Basic
From
$148
Seen: 16 hrs ago
Philadelphia (PHL)to
Portland, OR (PDX)
Depart: 03/24/2026
One-way
Basic
From
$149
Seen: 7 hrs ago
Philadelphia (PHL)to
Portland, OR (PDX)
Depart: 05/06/2026
One-way
Basic
From
$159
Seen: 6 hrs ago
Explore flights from Philadelphia to Portland, OR
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Flight Details
Departing from:
Philadelphia International Airport
Arriving at:
Portland International Airport
Distance:
2406 miles
Route Information
78† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 78 weekly flights from Philadelphia to Portland, OR on Southwest Airlines.
To find the lowest fares by day and time to fly Philadelphia to Portland, OR with Southwest, check out our Low Fare Calendar.
You can rent a car at Portland International Airport book yours with your flight.
Yes! Flights from Philadelphia to Portland, OR—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.