Alaska Airlines Flights from Phoenix to Boston
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1 Passenger
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Lowest fares from Phoenix to Boston
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One-way low-fare flights Phoenix to Boston.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Sep 25, 2026 | From $144 Seen: 4 hours ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Oct 8, 2026 | From $231 Seen: 1 day ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Feb 2, 2026 | From $239 Seen: 1 day ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Feb 27, 2026 | From $254 Seen: 7 hours ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Jun 3, 2026 | From $289 Seen: 1 day ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Jun 26, 2026 | From $289 Seen: 14 hours ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Mar 6, 2026 | From $342 Seen: 1 day ago | |
| Phoenix (PHX) | Boston (BOS) | One-way | Saver | Depart: Mar 7, 2026 | From $381 Seen: 1 day 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.