$100 Cheap American Airlines flights Boston (BOS) to Chattanooga (CHA)

Finding cheap one-way American Airlines flights from BOS to CHA from $100 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $208 for your next getaway.**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.

Browse for return or one-way flights to Chattanooga in January or February. You could find cheaper fares with American Airlines during these off-peak travel months.

Start searching one to three months ahead of your travel date to get cheap fares on American Airlines flights from Logan Intl. Airport (BOS) to Chattanooga Metropolitan Airport (CHA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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.

Fill in your dates, hit search and check the “Nonstop” filter on Expedia to find any direct flights from BOS to CHA with American Airlines or another carrier.

Filter your results by “Morning” and “Early Morning” to browse the earliest flights from BOS to CHA. Jetting off early means flight cancellations are less likely.**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.

American Airlines flights from Logan Intl. Airport (BOS) to Chattanooga come in to Chattanooga Metropolitan Airport (CHA). This is the main entry point here.

Changes are generally free within 24 hours of booking, but your airline may charge a fee after that time. For further details about modifying your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without additional charges, tick the “Changes included” or “No cancel fee” filter when planning your next adventure.