Flights from Boston to Knoxville with Allegiant Air

Our cheapest offers for flights from Boston to Knoxville

Here you can compare cheap flights from Boston (BOS) to Knoxville (TYS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Knoxville. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
Knoxville
Outbound
10/07/25
direct
G41414
02h 29min
Return
10/10/25
1 Stopover (FLL)
G40530, NK0449
26h 49min
Allegiant Air
$201
Best option
Boston
Knoxville
Outbound
10/09/25
direct
G43036
02h 29min
Return
11/01/25
direct
G41435
02h 13min
Allegiant Air
$349
Boston
Knoxville
Pay attention to transfer at connecting flight
Outbound
10/07/25
direct
G41414
02h 29min
Return
10/10/25
1 Stopover (FLL)
G40530, NK1300
14h 09min
Allegiant Air
$212
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
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Boston - Knoxville

Roundtrip from 200,05 $
Distance 1336 km
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Knoxville, TN (TYS)
Destination country Flights to United States
Alternative routes to United States
Flight destinations with a similar price