Book Cheap Flights from Philadelphia with Alaska Airlines
Find round-trip flight deals from Philadelphia.*
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Phoenix (PHX)*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.
One-way flight deals from Philadelphia.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Philadelphia (PHL) | San Jose (SJC) | One-way | Saver | Depart: Feb 18, 2026 | From $131 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Jose (SJC) | One-way | Saver | Depart: Mar 3, 2026 | From $131 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Jose (SJC) | One-way | Saver | Depart: Feb 28, 2026 | From $131 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Francisco (SFO) | One-way | Saver | Depart: Mar 25, 2026 | From $135 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Francisco (SFO) | One-way | Saver | Depart: Apr 28, 2026 | From $135 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Francisco (SFO) | One-way | Saver | Depart: Apr 29, 2026 | From $135 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Francisco (SFO) | One-way | Saver | Depart: May 5, 2026 | From $135 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Francisco (SFO) | One-way | Saver | Depart: May 6, 2026 | From $135 Seen: 8 hours ago | |
| Philadelphia (PHL) | San Francisco (SFO) | One-way | Saver | Depart: Jun 3, 2026 | From $135 Seen: 8 hours ago | |
| Philadelphia (PHL) | Vancouver (YVR) | One-way | Saver | Depart: Apr 22, 2026 | From $136 Seen: 8 hours ago | |
| Philadelphia (PHL) | Vancouver (YVR) | One-way | Saver | Depart: Mar 3, 2026 | From $136 Seen: 8 hours ago | |
| Philadelphia (PHL) | Vancouver (YVR) | One-way | Saver | Depart: Mar 4, 2026 | From $136 Seen: 8 hours ago | |
| Philadelphia (PHL) | Vancouver (YVR) | One-way | Saver | Depart: Feb 17, 2026 | From $136 Seen: 8 hours ago | |
| Philadelphia (PHL) | Vancouver (YVR) | One-way | Saver | Depart: Feb 28, 2026 | From $136 Seen: 8 hours ago | |
| Philadelphia (PHL) | Seattle (SEA) | One-way | Saver | Depart: Mar 18, 2026 | From $139 Seen: 8 hours ago | |
| Philadelphia (PHL) | Seattle (SEA) | One-way | Saver | Depart: Mar 31, 2026 | From $139 Seen: 8 hours ago | |
| Philadelphia (PHL) | Seattle (SEA) | One-way | Saver | Depart: Feb 17, 2026 | From $139 Seen: 8 hours ago | |
| Philadelphia (PHL) | Seattle (SEA) | One-way | Saver | Depart: Mar 4, 2026 | From $139 Seen: 8 hours ago | |
| Philadelphia (PHL) | Seattle (SEA) | One-way | Saver | Depart: Mar 17, 2026 | From $139 Seen: 8 hours ago | |
| Philadelphia (PHL) | Seattle (SEA) | One-way | Saver | Depart: Mar 24, 2026 | From $139 Seen: 8 hours ago |
*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.