Please use our search to find current cheap offers for the following route: from Boston (BOS) to Knoxville (TYS)
You can also change your filters (Departure airport: Boston (BOS), Destination airport: Knoxville (TYS)) or look for alternative cheap flights.
You can also change your filters (Departure airport: Boston (BOS), Destination airport: Knoxville (TYS)) or look for alternative cheap flights.