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

One way Round trip

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On Cheapflightsplus.com you will find 6 direct and 311 connecting flights from Knoxville to Boston. You can compare airfare deals from 2 airlines and multiple travel sites from $42, book and save on cheap plane tickets and last minute offers. Also check out TYS-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Knoxville to Boston 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 Knoxville to Boston Today

Take a look at the list of non stop flights and flights with layovers from Knoxville to Boston with the lowest price of $42. The fastest direct flight takes 2h 11m and the fastest connecting – 4h 17m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $42 Find flight	08:00 Knoxville Mc Ghee Tyson	10:11 Boston Logan	2h 11m	Allegiant Air	G41396
from $42 Find flight	08:00 Knoxville Mc Ghee Tyson	10:13 Boston Logan	2h 13m	Allegiant Air	G43021
from $48 Find flight	09:45 Knoxville Mc Ghee Tyson	12:00 Boston Logan	2h 15m	Allegiant Air	G43022
from $53 Find flight	07:30 Knoxville Mc Ghee Tyson	09:44 Boston Logan	2h 14m	Allegiant Air	G41430
from $64 Find flight	08:00 Knoxville Mc Ghee Tyson	10:17 Boston Logan	2h 17m	Allegiant Air	G41397
from $101 Find flight	06:00 Knoxville Mc Ghee Tyson	08:17 Boston Logan	2h 17m	Allegiant Air	G41409
from $70 Find flight	12:45 Knoxville Mc Ghee Tyson	15:20+1 день Boston Logan	26h 35m layover 23h 28m - Baltimore	Allegiant Air	G41397 NK934
from $98 Find flight	11:01 Knoxville Mc Ghee Tyson	09:19+1 день Boston Logan	22h 18m layover 17h 17m - Minneapolis	Allegiant Air	G41414 SY249
from $105 Find flight	11:23 Knoxville Mc Ghee Tyson	00:39+1 день Boston Logan	13h 16m layover 8h 2m - Miami	Allegiant Air	G4502 NK616
from $105 Find flight	11:23 Knoxville Mc Ghee Tyson	10:30+1 день Boston Logan	23h 7m layover 17h 53m - Miami	Allegiant Air	G4502 NK2886
from $119 Find flight	06:00 Knoxville Mc Ghee Tyson	23:47 Boston Logan	17h 47m layover 13h 5m - Orlando	Allegiant Air	G43039 NK2258
from $93 Find flight	07:10 Knoxville Mc Ghee Tyson	18:18 Boston Logan	11h 8m layover 4h 13m - Newark 0h 55m - Myrtle Beach	Allegiant Air	G43038 NK3021 NK138
from $93 Find flight	07:10 Knoxville Mc Ghee Tyson	22:12 Boston Logan	15h 2m layover 4h 18m - Newark 3h 48m - Atlanta	Allegiant Air	G43038 NK742 NK1180
from $93 Find flight	07:10 Knoxville Mc Ghee Tyson	15:35+1 день Boston Logan	32h 25m layover 20h 40m - Newark 3h 56m - Orlando	Allegiant Air	G43038 NK1801 NK3796
from $109 Find flight	13:12 Knoxville Mc Ghee Tyson	10:28+1 день Boston Logan	21h 16m layover 2h 45m - Jacksonville 12h 55m - Grand Rapids	Allegiant Air	G43045 G43493 G4557
from $112 Find flight	08:52 Knoxville Mc Ghee Tyson	09:11+1 день Boston Logan	24h 19m layover 9h 10m - Miami 8h 56m - Fletcher	Allegiant Air	G42120 G4254 G4228

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

Flight Schedule Knoxville (Tennessee) to Boston (Massachusetts)

Full flight schedule will help you in detecting at what time planes fly from Knoxville to Boston. 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
06:00 — 08:17	06:00 — 08:17 G41409 Allegiant Air Knoxville — Boston	2h 17m	Find flight from$101
07:30 — 09:44	07:30 — 09:44 G41430 Allegiant Air Knoxville — Boston	2h 14m	Find flight from$53
08:00 — 10:11	08:00 — 10:11 G41396 Allegiant Air Knoxville — Boston	2h 11m	Find flight from$42
08:00 — 10:13	08:00 — 10:13 G43021 Allegiant Air Knoxville — Boston	2h 13m	Find flight from$42
08:00 — 10:17	08:00 — 10:17 G41397 Allegiant Air Knoxville — Boston	2h 17m	Find flight from$64
09:45 — 12:00	09:45 — 12:00 G43022 Allegiant Air Knoxville — Boston	2h 15m	Find flight from$48
11:01 — 09:19 +1 day	11:01 — 12:19 G41414 Allegiant Air Knoxville — Minneapolis 17h 17m stop 05:36 — 09:19 SY249 Sun Country Airlines Minneapolis — Boston	22h 18m including layover	Find flight from$98
11:23 — 00:39 +1 day	11:08 — 13:12 G4502 Allegiant Air Knoxville — Miami 8h 2m stop 21:25 — 00:39 NK616 Spirit Airlines Miami — Boston	13h 16m including layover	Find flight from$105
12:45 — 15:20 +1 day	12:45 — 14:23 G41397 Allegiant Air Knoxville — Baltimore 23h 28m stop 13:51 — 15:20 NK934 Spirit Airlines Baltimore — Boston	26h 35m including layover	Find flight from$70
12:45 — 15:40 +1 day	12:45 — 14:23 G41397 Allegiant Air Knoxville — Baltimore 23h 47m stop 14:10 — 15:40 NK1597 Spirit Airlines Baltimore — Boston	26h 55m including layover	Find flight from$70
16:31 — 00:39 +1 day	16:31 — 18:35 G4509 Allegiant Air Knoxville — Miami 2h 50m stop 21:25 — 00:39 NK616 Spirit Airlines Miami — Boston	8h 8m including layover	Find flight from$125
21:30 — 22:56 +1 day	21:30 — 23:29 G42152 Allegiant Air Knoxville — Miami 20h 9m stop 19:38 — 22:56 NK2212 Spirit Airlines Miami — Boston	25h 26m including layover	Find flight from$127
06:00 — 09:11 +1 day	06:00 — 07:37 G43039 Allegiant Air Knoxville — Orlando 13h 56m stop 21:33 — 23:23 G41844 Allegiant Air Orlando — Fletcher 7h 37m stop 07:00 — 09:11 G4228 Allegiant Air Fletcher — Boston	27h 11m including layover	Find flight from$117
07:15 — 18:18	07:15 — 09:05 G41396 Allegiant Air Knoxville — Newark 4h 13m stop 13:18 — 15:13 NK3021 Spirit Airlines Newark — Myrtle Beach 55m stop 16:08 — 18:18 NK138 Spirit Airlines Myrtle Beach — Boston	11h 3m including layover	Find flight from$74
09:02 — 09:11 +1 day	09:02 — 10:51 G4865 Allegiant Air Knoxville — Punta Gorda 1h 46m stop 12:37 — 14:25 G4857 Allegiant Air Punta Gorda — Fletcher 16h 35m stop 07:00 — 09:11 G4228 Allegiant Air Fletcher — Boston	24h 9m including layover	Find flight from$125
13:12 — 10:28 +1 day	13:12 — 14:29 G43045 Allegiant Air Knoxville — Jacksonville 2h 45m stop 17:14 — 19:35 G43493 Allegiant Air Jacksonville — Grand Rapids 12h 55m stop 08:30 — 10:28 G4557 Allegiant Air Grand Rapids — Boston	21h 16m including layover	Find flight from$109
15:03 — 09:46 +1 day	15:03 — 16:36 G42820 Allegiant Air Knoxville — Sanford 3h 5m stop 19:41 — 21:12 G42831 Allegiant Air Sanford — Fletcher 10h 23m stop 07:35 — 09:46 G4269 Allegiant Air Fletcher — Boston	18h 43m including layover	Find flight from$125
15:11 — 08:11 +1 day	15:11 — 17:12 G4497 Allegiant Air Knoxville — Miami 2h 53m stop 20:05 — 22:06 G4261 Allegiant Air Miami — Fletcher 7h 54m stop 06:00 — 08:11 G4232 Allegiant Air Fletcher — Boston	17h including layover	Find flight from$128
17:02 — 09:46 +1 day	17:02 — 18:13 G41437 Allegiant Air Knoxville — Houston 1h 50m stop 20:03 — 23:17 G4249 Allegiant Air Houston — Fletcher 8h 18m stop 07:35 — 09:46 G4269 Allegiant Air Fletcher — Boston	16h 44m including layover	Find flight from$118
17:02 — 09:11 +1 day	17:02 — 18:13 G41437 Allegiant Air Knoxville — Houston 1h 50m stop 20:03 — 23:17 G4249 Allegiant Air Houston — Fletcher 7h 43m stop 07:00 — 09:11 G4228 Allegiant Air Fletcher — Boston	16h 9m including layover	Find flight from$132

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 Knoxville to Boston depends on and how to choose the most interesting flight option for you.

Distance between Knoxville and Boston is 1335 miles. Time difference between the cities is 0h. Airplanes depart 05:45 to 21:30 from 1 Knoxville airport and arrive 05:45 to 21:30 to 4 Boston airports. Average flight time is 2h 15m.

The fastest flight 2h 11m
Average flight time 2h 15m
The earliest flight 05:45
The latest flight 21:30
Distance 830 ml

The cheapest months to travel to Boston are october (from 56 $), august (from 57 $), july (from 64 $).

The most expensive months are november (from 435 $), february (from 432 $), december (from 394 $).

What is the lowest airfare Knoxville to Boston?

The cheapest plane ticket found by our users is $42. This airfare is for economy class on one-way G41396 flight by Allegiant Air for October 7, 2025 which leaves Mc Ghee Tyson in Knoxville at 08:00 am and arrives at Boston Logan at 10:11.

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 Knoxville — Boston is served by 2 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by United Airlines - 117 departures per week at the price of from $ 174 . And the most expensive tickets are offered by United Airlines airline - from $ 495.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is G41396 by Allegiant Air takes 2h 11m and the cheapest is G41396 by Allegiant Air for $42.

G4 - Allegiant Air

from $42

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Connecting Flights

There are 311 flights with layovers on the route. The fastest connecting flight is UA4325 by United Airlines takes 4h 17m and the cheapest is G41396 by Allegiant Air for $70.

UA - United Airlines

from $174

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G4 - Allegiant Air

from $70

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Airports

You can fly from Knoxville to Boston from 1 airports (Mc Ghee Tyson).

Knoxville airports

Mc Ghee Tyson-TYS

from $42
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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

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Airplanes

There are flights to Boston from Knoxville by 2 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Knoxville

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

Knoxville — Orlando

from $73

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Knoxville — Las Vegas

from $74

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Knoxville — Chicago

from $76

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Knoxville — Denver

from $74

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Knoxville — Miami

from $66

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Knoxville — Boston

from $69

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Knoxville — Houston

from $54

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Knoxville — New Orleans

from $56

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Knoxville — Tampa

from $80

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Knoxville — Austin

from $54

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Top International Destinations from Knoxville

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.

Knoxville — Cancun

from $69

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Knoxville — Panama City

from $61

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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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