Book Cheap Flights from Philadelphia with Alaska Airlines

Find round-trip flight deals from Philadelphia.*

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Philadelphia (PHL)to

Seattle (SEA)
Nov 4, 2026 - Nov 9, 2026
From
$379
Seen: 17 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Portland (PDX)
Oct 13, 2026 - Oct 27, 2026
From
$377
Seen: 10 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Anchorage (ANC)
Oct 31, 2026 - Nov 7, 2026
From
$403
Seen: 10 hours ago
Round-trip
Saver

Philadelphia (PHL)to

San Francisco (SFO)
Oct 7, 2026 - Oct 10, 2026
From
$359
Seen: 10 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Los Angeles (LAX)
Nov 3, 2026 - Nov 4, 2026
From
$471
Seen: 10 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Las Vegas (LAS)
Nov 18, 2026 - Dec 2, 2026
From
$359
Seen: 9 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Fairbanks (FAI)
Nov 8, 2026 - Nov 17, 2026
From
$465
Seen: 3 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Honolulu (HNL)
Nov 1, 2026 - Nov 8, 2026
From
$650
Seen: 3 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Vancouver (YVR)
Oct 22, 2026 - Oct 25, 2026
From
$474
Seen: 3 hours ago
Round-trip
Saver

Philadelphia (PHL)to

Maui (OGG)
Jan 2, 2027 - Jan 8, 2027
From
$1,256
Seen: 6 hours ago
Round-trip
Saver

Philadelphia (PHL)to

San Jose (SJC)
Nov 4, 2026 - Nov 18, 2026
From
$349
Seen: 9 hours ago
Round-trip
Saver

Philadelphia (PHL)to

San Diego (SAN)
Oct 14, 2026 - Oct 19, 2026
From
$513
Seen: 5 hours ago
Round-trip
Saver
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.