Cheap Flights from Boston, MA to Knoxville, TN from $53

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 $53, 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.

Find One-Way and Round-Trip Boston to Knoxville Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $53 (one-way), $91 (round-trip).
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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 Arrival Flight Details Flight Duration Price
06:00 — 16:47
06:00 — 07:31 NK2106 Spirit Airlines
Boston — Washington D.C.
7h 43m stop
15:13 — 16:47 G41398 Allegiant Air
Washington D.C. — Knoxville
10h 47m
including layover
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from$91
09:05 — 11:26
09:05 — 11:26 G43044 Allegiant Air
Boston — Knoxville
2h 21m
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from$53
09:07 — 11:28
09:07 — 11:28 G43058 Allegiant Air
Boston — Knoxville
2h 21m
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from$159
11:01 — 13:30
11:01 — 13:30 G41414 Allegiant Air
Boston — Knoxville
2h 29m
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from$59
11:03 — 13:31
11:03 — 13:31 G43028 Allegiant Air
Boston — Knoxville
2h 28m
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from$66
11:07 — 13:29
11:07 — 13:29 G43036 Allegiant Air
Boston — Knoxville
2h 22m
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from$53
11:41 — 17:49
11:41 — 15:01 G41362 Allegiant Air
Boston — Sarasota
1h stop
16:01 — 17:49 G42987 Allegiant Air
Sarasota — Knoxville
6h 8m
including layover
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from$96
12:37 — 14:56
12:37 — 14:56 G43061 Allegiant Air
Boston — Knoxville
2h 19m
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from$60
12:50 — 15:09
12:50 — 15:09 G41426 Allegiant Air
Boston — Knoxville
2h 19m
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from$66
12:51 — 21:42
12:51 — 15:07 G41445 Allegiant Air
Boston — Fort Walton Beach
4h 14m stop
19:21 — 21:42 G41396 Allegiant Air
Fort Walton Beach — Knoxville
8h 51m
including layover
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from$87
12:51 — 18:28
12:51 — 15:07 G41445 Allegiant Air
Boston — Fort Walton Beach
1h stop
16:07 — 18:28 G41431 Allegiant Air
Fort Walton Beach — Knoxville
5h 37m
including layover
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from$100
12:51 — 17:09
+1 day
12:51 — 15:07 G41445 Allegiant Air
Boston — Fort Walton Beach
23h 41m stop
14:48 — 17:09 G41401 Allegiant Air
Fort Walton Beach — Knoxville
28h 18m
including layover
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from$106
12:52 — 15:11
12:52 — 15:11 G43040 Allegiant Air
Boston — Knoxville
2h 19m
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from$80
20:34 — 16:47
+1 day
20:34 — 22:07 NK1609 Spirit Airlines
Boston — Washington D.C.
17h 6m stop
15:13 — 16:47 G41398 Allegiant Air
Washington D.C. — Knoxville
20h 13m
including layover
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from$92
21:40 — 16:47
+1 day
19:47 — 21:21 NK2523 Spirit Airlines
Boston — Washington D.C.
16h stop
15:13 — 16:47 G41398 Allegiant Air
Washington D.C. — Knoxville
19h 7m
including layover
Find flight
from$91
*Departure and arrival times - local. Updated on September 15, 2025

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 53 $), september (from 53 $), october (from 59 $).

The most expensive months are november (from 656 $), december (from 354 $), august (from 66 $).

What is the lowest airfare Boston to Knoxville?

The cheapest plane ticket found by our users is $53. 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
$53
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Business class
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First class
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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 $ 719 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 2049.

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 $53.

  • G4 - Allegiant Air
    from $53
    Find
See more direct flights

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 $87.

  • AS - Alaska Airlines
    from $719
    Find
  • SY - Sun Country Airlines
    from $139
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  • HA - Hawaiian Airlines
    from $816
    Find
  • UA - United Airlines
    from $176
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  • G4 - Allegiant Air
    from $87
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  • NK - Spirit Airlines
    from $91
    Find
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 $53
    Find

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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