| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Boston Knoxville | Outbound 10/09/25 direct G43036 02h 29min | Return 11/01/25 direct G41435 02h 13min |  Allegiant Air |  | $108 | ||
| 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 10/09/25 direct G43036 02h 29min | Return 11/01/25 direct G41435 02h 13min | Allegiant Air |  | $128 | ||
| Boston Knoxville | Outbound 10/09/25 direct G43036 02h 29min | Return 11/01/25 direct G41435 02h 13min | Allegiant Air |  | ? | $134 | |
| Boston Knoxville | Outbound 10/09/25 direct G43036 02h 29min | Return 11/01/25 direct G41435 02h 13min | Allegiant Air |  | $152 | ||
| Boston Knoxville | Outbound 10/10/25 1 Stopover (BWI, IAD) NK2072, G41429 17h 16min | Return 11/04/25 direct G41397 02h 13min | Spirit Airlines, Allegiant Air | | $191 | ||
| Boston Knoxville | Outbound 10/07/25 direct G41414 02h 29min | Return 10/10/25 1 Stopover (FLL) G40530, NK0449 26h 49min | Allegiant Air | | $201 | ||
| Boston Knoxville | Outbound 10/09/25 2 Stopovers (CLT, FLL) NK2276, NK2279, G40515 30h 19min | Return 11/01/25 direct G41435 02h 13min | Spirit Airlines, Allegiant Air | | $258 | ||
| Boston Knoxville | Outbound 10/07/25 direct G41414 02h 29min | Return 10/10/25 1 Stopover (FLL, MIA) G40530, AA1054 27h 28min | Allegiant Air | | ? | $264 | |
| Boston Knoxville | Outbound 10/10/25 1 Stopover (IAD) UA1734, G41429 17h 46min | Return 11/04/25 direct G41397 02h 13min |  United Airlines, Allegiant Air | | ? | $272 |
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 %