Alaska Airlines Flights from Boston to Phoenix
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Lowest fares from Boston to Phoenix
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One-way low-fare flights Boston to Phoenix.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Phoenix (PHX) | One-way | Saver | Depart: Dec 12, 2025 | From $113 Seen: 5 hours ago | |
| Boston (BOS) | Phoenix (PHX) | One-way | Saver | Depart: Dec 11, 2025 | From $123 Seen: 5 hours ago | |
| Boston (BOS) | Phoenix (PHX) | One-way | Saver | Depart: Nov 22, 2025 | From $194 Seen: 5 hours ago | |
| Boston (BOS) | Phoenix (PHX) | One-way | Saver | Depart: Dec 3, 2025 | From $249 Seen: 7 hours ago | |
| Boston (BOS) | Phoenix (PHX) | One-way | Saver | Depart: Jul 3, 2026 | From $350 Seen: 3 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.