$154 Cheap United flights Boston (BOS) to Tucson (TUS)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap United Airlines return flights from $302 from BOS to TUS. Affordable one-way fares from $154 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for one-way or round-trip flights to Tucson in June or July. You could find a cheap fare with United Airlines during these quieter months.

To find cheap United Airlines fares from Logan Intl. Airport (BOS) to Tucson Intl. Airport (TUS), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, click search and select “Nonstop” on Expedia to browse any direct flights from BOS to TUS with United Airlines or another carrier.

Sort your results by “Morning” and “Early Morning” to browse the earliest departures from BOS to TUS. Jetting off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on a United Airlines flight from Logan Intl. Airport (BOS) to Tucson, and you’re most likely to touch down at Tucson Intl. Airport (TUS). This is the airline’s primary hub in this destination.

A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to jet off from BOS to TUS with United Airlines. Plus, when you join Expedia’s free One Key™ program, you can earn OneKeyCash™* on top of United Airlines’s loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can cancel or modify your flight, although additional fees may apply if your booking was made more than 24 hours ago. Want to keep your options open? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you need to adjust your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for further information.