Cheap Flights from Boston, MA to Knoxville, TN from $42

One way Round trip

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On Cheapflightsplus.com you will find 7 direct and 337 connecting flights from Boston to Knoxville. You can compare airfare deals from 6 airlines and multiple travel sites from $42, 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: $42 (one-way), $72 (round-trip).

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Best Flights from Boston to Knoxville Today

Take a look at the list of non stop flights and flights with layovers from Boston to Knoxville with the lowest price of $42. The fastest direct flight takes 2h 19m and the fastest connecting – 4h 45m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $42 Find flight	09:05 Boston Logan	11:26 Knoxville Mc Ghee Tyson	2h 21m	Allegiant Air	G43044
from $42 Find flight	11:07 Boston Logan	13:29 Knoxville Mc Ghee Tyson	2h 22m	Allegiant Air	G43036
from $48 Find flight	11:01 Boston Logan	13:30 Knoxville Mc Ghee Tyson	2h 29m	Allegiant Air	G41414
from $53 Find flight	12:50 Boston Logan	15:09 Knoxville Mc Ghee Tyson	2h 19m	Allegiant Air	G41426
from $53 Find flight	11:03 Boston Logan	13:31 Knoxville Mc Ghee Tyson	2h 28m	Allegiant Air	G43028
from $101 Find flight	12:52 Boston Logan	15:11 Knoxville Mc Ghee Tyson	2h 19m	Allegiant Air	G43040
from $128 Find flight	09:07 Boston Logan	11:28 Knoxville Mc Ghee Tyson	2h 21m	Allegiant Air	G43058
from $69 Find flight	12:51 Boston Logan	21:42 Knoxville Mc Ghee Tyson	8h 51m layover 4h 14m - Fort Walton Beach	Allegiant Air	G41445 G41396
from $74 Find flight	20:34 Boston Logan	16:47+1 день Knoxville Mc Ghee Tyson	20h 13m layover 17h 6m - Washington D.C.	Spirit Airlines	NK1609 G41398
from $87 Find flight	06:00 Boston Logan	16:47 Knoxville Mc Ghee Tyson	10h 47m layover 7h 43m - Washington D.C.	Spirit Airlines	NK2106 G41398
from $87 Find flight	06:00 Boston Logan	16:47 Knoxville Mc Ghee Tyson	10h 47m layover 7h 40m - Washington D.C.	Spirit Airlines	NK2072 G41398
from $97 Find flight	16:15 Boston Logan	11:18+1 день Knoxville Mc Ghee Tyson	19h 3m layover 13h 36m - Miami	Spirit Airlines	NK2887 G4531
from $97 Find flight	06:10 Boston Logan	11:18+1 день Knoxville Mc Ghee Tyson	29h 8m layover 23h 43m - Miami	Spirit Airlines	NK296 G4531
from $99 Find flight	06:00 Boston Logan	16:47 Knoxville Mc Ghee Tyson	10h 47m layover 7h 43m - Washington D.C.	Spirit Airlines	NK1588 G41398
from $93 Find flight	11:31 Boston Logan	16:47+1 день Knoxville Mc Ghee Tyson	29h 16m layover 4h 25m - Savannah 18h 53m - Washington D.C.	Allegiant Air	G41152 G41369 G41398
from $98 Find flight	11:31 Boston Logan	16:47+1 день Knoxville Mc Ghee Tyson	29h 16m layover 4h 28m - Savannah 18h 50m - Washington D.C.	Allegiant Air	G41152 G43002 G41398

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 25, 2025

Flight Schedule Boston (Massachusetts) to Knoxville (Tennessee)

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	Flight Details	Flight Duration	Price
09:05 — 11:26	09:05 — 11:26 G43044 Allegiant Air Boston — Knoxville	2h 21m	Find flight from$42
09:07 — 11:28	09:07 — 11:28 G43058 Allegiant Air Boston — Knoxville	2h 21m	Find flight from$128
11:01 — 13:30	11:01 — 13:30 G41414 Allegiant Air Boston — Knoxville	2h 29m	Find flight from$48
11:03 — 13:31	11:03 — 13:31 G43028 Allegiant Air Boston — Knoxville	2h 28m	Find flight from$53
11:07 — 13:29	11:07 — 13:29 G43036 Allegiant Air Boston — Knoxville	2h 22m	Find flight from$42
12:50 — 15:09	12:50 — 15:09 G41426 Allegiant Air Boston — Knoxville	2h 19m	Find flight from$53
12:52 — 15:11	12:52 — 15:11 G43040 Allegiant Air Boston — Knoxville	2h 19m	Find flight from$101
05:45 — 21:20	05:45 — 09:08 NK2257 Spirit Airlines Boston — Sanford 10h 37m stop 19:45 — 21:20 G42962 Allegiant Air Sanford — Knoxville	15h 35m including layover	Find flight from$102
05:45 — 14:18	05:45 — 08:52 NK2257 Spirit Airlines Boston — Sanford 3h 35m stop 12:50 — 14:24 G42961 Allegiant Air Sanford — Knoxville	8h 33m including layover	Find flight from$105
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	Find flight from$87
06:00 — 16:47	06:00 — 07:33 NK2072 Spirit Airlines Boston — Washington D.C. 7h 40m stop 15:13 — 16:47 G41398 Allegiant Air Washington D.C. — Knoxville	10h 47m including layover	Find flight from$87
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	Find flight from$69
16:15 — 11:18 +1 day	16:15 — 19:39 NK2887 Spirit Airlines Boston — Miami 13h 36m stop 09:15 — 11:18 G4531 Allegiant Air Miami — Knoxville	19h 3m including layover	Find flight from$97
17:36 — 22:17 +1 day	17:36 — 21:04 NK2093 Spirit Airlines Boston — Sanford 23h 38m stop 20:42 — 22:17 G43054 Allegiant Air Sanford — Knoxville	28h 41m including layover	Find flight from$114
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	Find flight from$74
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$123
09:18 — 22:15 +1 day	09:18 — 11:30 G4558 Allegiant Air Boston — Grand Rapids 21h 15m stop 08:45 — 11:02 G43490 Allegiant Air Grand Rapids — Jacksonville 9h 53m stop 20:55 — 22:15 G41440 Allegiant Air Jacksonville — Knoxville	36h 57m including layover	Find flight from$113
10:23 — 21:20 +1 day	10:23 — 12:44 G4596 Allegiant Air Boston — Indianapolis 8h 44m stop 21:28 — 23:38 G41252 Allegiant Air Indianapolis — Sanford 20h 7m stop 19:45 — 21:20 G42962 Allegiant Air Sanford — Knoxville	34h 57m including layover	Find flight from$128
10:39 — 17:59 +1 day	10:39 — 12:46 G4433 Allegiant Air Boston — Des Moines 18h 14m stop 07:00 — 10:48 G4459 Allegiant Air Des Moines — Sanford 5h 36m stop 16:24 — 17:59 G43060 Allegiant Air Sanford — Knoxville	31h 20m including layover	Find flight from$130
13:55 — 11:18 +1 day	13:55 — 15:55 NK2328 Spirit Airlines Boston — Detroit 4h 33m stop 20:28 — 23:29 NK3930 Spirit Airlines Detroit — Miami 9h 46m stop 09:15 — 11:18 G4531 Allegiant Air Miami — Knoxville	21h 23m including layover	Find flight from$129
13:55 — 20:31 +1 day	13:55 — 15:55 NK2328 Spirit Airlines Boston — Detroit 3h 1m stop 18:56 — 21:31 NK2083 Spirit Airlines Detroit — Clearwater 21h 22m stop 18:53 — 20:31 G43061 Allegiant Air Clearwater — Knoxville	30h 36m including layover	Find flight from$129
16:15 — 20:31 +1 day	16:15 — 19:39 NK2887 Spirit Airlines Boston — Miami 2h 20m stop 21:59 — 23:06 NK1954 Spirit Airlines Miami — Clearwater 19h 47m stop 18:53 — 20:31 G43061 Allegiant Air Clearwater — Knoxville	28h 16m including layover	Find flight from$129

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on June 25, 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 september (from 56 $), july (from 57 $), october (from 64 $).

The most expensive months are november (from 704 $), december (from 698 $), june (from 98 $).

What is the lowest airfare Boston to Knoxville?

The cheapest plane ticket found by our users is $42. 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

$42

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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 $ 579 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 1651.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is G41426 by Allegiant Air takes 2h 19m and the cheapest is G43036 by Allegiant Air for $42.

G4 - Allegiant Air

from $42

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Connecting Flights

There are 337 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 $69.

AS - Alaska Airlines

from $579

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SY - Sun Country Airlines

from $113

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HA - Hawaiian Airlines

from $657

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UA - United Airlines

from $141

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G4 - Allegiant Air

from $69

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NK - Spirit Airlines

from $74

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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 $42
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Knoxville airports

Mc Ghee Tyson-TYS

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Airplanes

There are flights to Knoxville from Boston by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Boston

You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.

Boston — New York

from $57

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Boston — Orlando

from $67

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Boston — Chicago

from $59

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Boston — Miami

from $56

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Boston — Washington D.C.

from $64

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Boston — Denver

from $65

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Boston — Nashville

from $71

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Boston — Tampa

from $63

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Boston — Las Vegas

from $63

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Boston — Seattle

from $60

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Top International Destinations from Boston

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Boston — London

from $76

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Boston — Paris

from $76

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Boston — Toronto

from $54

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Boston — Dublin

from $54

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Boston — Aruba

from $69

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Boston — Rome

from $77

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Boston — Cancun

from $78

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Boston — Lisbon

from $66

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Boston — Montreal

from $77

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Boston — Barcelona

from $67

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How to book a plane 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.
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