$140 Cheap Delta flights Boston (BOS) to Knoxville (TYS)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $265 from BOS to TYS. Affordable one-way fares from $140 are also available.**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 one-way or return flights to Knoxville in January or December. You could find an affordable fare with Delta Air Lines during these off-season months.

Look for cheap Delta Air Lines flights from Logan Intl. Airport (BOS) to McGhee Tyson Airport (TYS) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Enter your dates, press search and use the “Nonstop” filter on Expedia to find any direct flights from BOS to TYS with Delta Air Lines or other carriers.

Filter your results by “Morning” and “Early Morning” to browse the earliest flights from BOS to TYS. Jetting off early means you’re 20% 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.

Delta Air Lines flights from Logan Intl. Airport (BOS) to Knoxville come in to McGhee Tyson Airport (TYS). This is the main gateway to this city.

Delta Air Lines makes flying from BOS to TYS more comfortable with a rewarding loyalty program and an excellent in-flight experience. You also have the chance to earn points with Delta SkyMiles. Remember to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can reschedule or cancel your flight, although additional fees may apply if you booked more than 24 hours ago. Want to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to alter your plans. To update your booking, visit “Trips,” select your flight and click on “Manage Booking” for more details.