Cheap Flights from Boston, MA to Knoxville, TN from $54

Return flight: Knoxville – Boston

On Cheapflightsplus.com you will find 8 direct and 558 connecting flights from Boston to Knoxville. You can compare airfare deals from 6 airlines and multiple travel sites from $54, book and save on cheap plane tickets and last minute offers. Also check out BOS-TYS flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to Knoxville depends on and how to choose the most interesting flight option for you.

Distance between Boston and Knoxville is 1335 miles. Time difference between the cities is 0h. Airplanes depart 05:25 to 21:40 from 4 Boston airports and arrive 05:25 to 21:40 to 1 Knoxville airport. Average flight time is 2h 21m.

  • The fastest flight 2h 19m
  • Average flight time 2h 21m
  • The earliest flight 05:25
  • The latest flight 21:40
  • Distance 830 ml

The cheapest months to travel to Knoxville are july (from 54 $), september (from 54 $), october (from 60 $).

The most expensive months are november (from 670 $), december (from 361 $), august (from 68 $).

What is the lowest airfare Boston to Knoxville?

The cheapest plane ticket found by our users is $54. This airfare is for economy class on one-way G43036 flight by Allegiant Air for September 27, 2025 which leaves Logan in Boston at 11:07 am and arrives at Knoxville Mc Ghee Tyson at 13:29.

Economy class
$54
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Business class
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First class
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Flight Schedule Boston (Massachusetts) to Knoxville (Tennessee)

06:00 — 16:47
10h 47m flight time
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from$93
06:00 — 07:31 Boston — Washington D.C.
NK2106 Spirit Airlines
7h 43m stop
15:13 — 16:47 Washington D.C. — Knoxville
G41398 Allegiant Air
09:05 — 11:26
2h 21m flight time
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from$54
Boston — Knoxville
G43044 Allegiant Air
09:07 — 11:28
2h 21m flight time
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from$163
Boston — Knoxville
G43058 Allegiant Air
11:01 — 13:30
2h 29m flight time
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from$60
Boston — Knoxville
G41414 Allegiant Air
11:03 — 13:31
2h 28m flight time
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from$68
Boston — Knoxville
G43028 Allegiant Air
11:07 — 13:29
2h 22m flight time
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from$54
Boston — Knoxville
G43036 Allegiant Air
11:41 — 17:49
6h 8m flight time
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from$98
11:41 — 15:01 Boston — Sarasota
G41362 Allegiant Air
1h stop
16:01 — 17:49 Sarasota — Knoxville
G42987 Allegiant Air
12:37 — 14:56
2h 19m flight time
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from$61
Boston — Knoxville
G43061 Allegiant Air
12:50 — 15:09
2h 19m flight time
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from$68
Boston — Knoxville
G41426 Allegiant Air
12:51 — 21:42
8h 51m flight time
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from$89
12:51 — 15:07 Boston — Fort Walton Beach
G41445 Allegiant Air
4h 14m stop
19:21 — 21:42 Fort Walton Beach — Knoxville
G41396 Allegiant Air
12:51 — 18:28
5h 37m flight time
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from$102
12:51 — 15:07 Boston — Fort Walton Beach
G41445 Allegiant Air
1h stop
16:07 — 18:28 Fort Walton Beach — Knoxville
G41431 Allegiant Air
12:51 — 17:09+1day
28h 18m flight time
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from$109
12:51 — 15:07 Boston — Fort Walton Beach
G41445 Allegiant Air
23h 41m stop
14:48 — 17:09 Fort Walton Beach — Knoxville
G41401 Allegiant Air
12:52 — 15:11
2h 19m flight time
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from$82
Boston — Knoxville
G43040 Allegiant Air
20:34 — 16:47+1day
20h 13m flight time
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from$94
20:34 — 22:07 Boston — Washington D.C.
NK1609 Spirit Airlines
17h 6m stop
15:13 — 16:47 Washington D.C. — Knoxville
G41398 Allegiant Air
21:40 — 16:47+1day
19h 7m flight time
Find flight
from$93
19:47 — 21:21 Boston — Washington D.C.
NK2523 Spirit Airlines
16h stop
15:13 — 16:47 Washington D.C. — Knoxville
G41398 Allegiant Air
Full flight schedule will help you in detecting at what time planes fly from Boston to Knoxville. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 16, 2025.

Popular Airlines on the Route

The flight Boston — Knoxville is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 3 departures per week at the price of from $ 734 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 2093.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is G43061 by Allegiant Air takes 2h 19m and the cheapest is G43036 by Allegiant Air for $54.

  • G4 - Allegiant Air
    from $54
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Connecting Flights

There are 558 flights with layovers on the route. The fastest connecting flight is UA2136 by United Airlines takes 4h 45m and the cheapest is G43036 by Allegiant Air for $89.

  • AS - Alaska Airlines
    from $734
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  • SY - Sun Country Airlines
    from $142
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  • HA - Hawaiian Airlines
    from $833
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  • UA - United Airlines
    from $180
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  • G4 - Allegiant Air
    from $89
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  • NK - Spirit Airlines
    from $93
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See more connecting flights

Airports

You can fly from Boston to Knoxville from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
    from $54
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Knoxville airports

  • Mc Ghee Tyson-TYS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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