Southwest Airlines Roundtrip Airfare Boston to Phoenix

This roundtrip airfare from Boston to Phoenix is available through December 31, 2025. No special codes or coupons are required; simply search for these dates on Expedia.

Travel is available on select dates:

• Departing Boston (BOS): October 21-22, 29; November 4, 11, 18-19; December 9, 16
• Departing Phoenix (PHX): November 4-5, 11-12, 19; December 3, 9-10, 16

These are basic economy fares, allowing a personal item and a carry-on bag. A free checked bag is not included.