| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Boston Knoxville | Outbound 09/04/25 direct G41396 02h 22min | Return 09/28/25 direct G41397 02h 17min |  Allegiant Air |  | $91 | ||
| Boston Knoxville | Outbound 11/03/25 1 Stopover (BWI, IAD) NK2072, G43057 09h 14min | Return 11/12/25 2 Stopovers (EWR, ATL) G41398, NK0742, NK1180 14h 52min |  Spirit Airlines, Allegiant Air |  | $198 | ||
| Boston Knoxville | Outbound 06/18/25 direct G43040 02h 21min | Return 07/15/25 direct G41397 02h 15min | Allegiant Air |  | ? | $93 | |
| Boston Knoxville | Outbound 06/08/25 direct G41396 02h 19min | Return 06/12/25 direct G41440 02h 17min | Allegiant Air |  | $97 | ||
| Boston Knoxville | Outbound 06/18/25 direct G43040 02h 21min | Return 07/15/25 direct G41397 02h 15min | Allegiant Air | | $100 | ||
| Boston Knoxville | Outbound 10/09/25 direct G43036 02h 29min | Return 11/01/25 direct G41435 02h 13min | Allegiant Air | | $108 | ||
| Boston Knoxville | Outbound 06/08/25 direct G41396 02h 19min | Return 06/12/25 direct G41440 02h 17min | Allegiant Air |  | $122 | ||
| Boston Knoxville | Outbound 06/07/25 direct G43055 02h 21min | Return 06/23/25 1 Stopover (IAD, BWI) G41397, NK2105 10h 34min | Allegiant Air | | $152 | ||
| Boston Knoxville | Outbound 06/07/25 direct G43055 02h 21min | Return 06/23/25 1 Stopover (IAD, DCA) G41397, AA4382 10h 52min | Allegiant Air | | ? | $227 | |
| Boston Knoxville | Outbound 06/18/25 1 Stopover (ATL) DL0385, DL1701 06h 16min | Return 07/15/25 1 Stopover (ORD) AA5379, AA2837 08h 34min |  Delta Air Lines |  | ? | $290 |
Tips and tricks to help you find cheap flights from Boston to Knoxville
Favorite airline: American Airlines
90 % of bookings on this flight route are made with American Airlines, United Airlines and Spirit Airlines.
American Airlines
45 %
United Airlines
27 %
Spirit Airlines
18 %