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Cheap flights from Portland (PDX) to Philadelphia (PHL)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)

How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)
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How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)
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How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)
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Cheap flights from Portland to Philadelphia in August , September 2026

31 Aug - 03 Sep $ 333.00
PDX
Portland
Alaska Airlines
DIRECT
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
DIRECT
PDX
Portland
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28 Aug - 06 Sep $ 464.00
PDX
Portland
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
PDX
Portland
Pick dates
22 Aug - 10 Sep $ 554.00
PDX
Portland
Alaska Airlines
DIRECT
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
DIRECT
PDX
Portland
Pick dates

Last minute flights from Portland to Philadelphia

28 Aug - 01 Sep $ 498.00
PDX
Portland
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
PDX
Portland
Pick dates
25 Aug - 31 Aug $ 499.00
PDX
Portland
Frontier Airlines
1 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier Airlines
1 STOPS
PDX
Portland
Pick dates
25 Aug - 31 Aug $ 703.00
PDX
Portland
Alaska Airlines
DIRECT
PHL
Philadelphia
PHL
Philadelphia
Alaska Airlines
DIRECT
PDX
Portland
Pick dates

One-way flights to Philadelphia from Portland

6:17 PM - 10:43 PM
Frontier Airlines
1 Stops
9h 13m
PDX - PHL
$ 249
Kiwi
Pick dates
5:56 PM - 11:59 PM
Frontier Airlines
1 Stops
8h 43m
PDX - PHL
$ 250
Kiwi
Pick dates
7:30 AM - 7:30 AM
Alaska Airlines
0 Stops
5h 15m
PDX - PHL
$ 331
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)

Related info for your journey
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How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Philadelphia (PHL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.