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$55+ Cheap flights from Boston to Knoxville (BOS - TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TYS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Boston Logan Intl to Knoxville McGhee Tyson are usually found in February or July, booked 54 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Boston to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$140
(Cheapflightsfares)

One-way from

$55
(Gotogate)

Popular in

January

Cheapest in

February

Average price

$376

Good round-trip deal

$144 or less

Good one-way deal

$109 or less
Provider with most accurate pricing for Boston Logan Intl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Knoxville McGhee Tyson flights.
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From Boston Logan Intl to Knoxville McGhee Tyson
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One-way flight from Boston Logan Intl to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 17% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Boston Logan Intl to Knoxville McGhee Tyson.
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Find flight deals from Boston to Knoxville

Cheapest flights from Boston to Knoxville
Explore the most affordable flight options available from Boston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:00 amBOS - TYS
Nonstop2h 31mAllegiant Air
Sun 12/216:00 amTYS - BOS
Nonstop2h 10mAllegiant Air
Deal found 11/13$140
This Booking.com deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mAllegiant Air
Sun 1/46:00 amTYS - BOS
Nonstop2h 10mAllegiant Air
Deal found 11/13$153
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:17 pmBOS - TYS
1 stop9h 32mMultiple Airlines
Sun 12/76:00 amTYS - BOS
Nonstop2h 10mMultiple Airlines
Deal found 11/12$156
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:02 pmBOS - TYS
Nonstop2h 32mAllegiant Air
Thu 12/46:00 amTYS - BOS
Nonstop2h 10mAllegiant Air
Deal found 11/11$159
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:02 amBOS - TYS
Nonstop2h 32mMultiple Airlines
Sun 11/2312:59 pmTYS - BOS
1 stop21h 05mMultiple Airlines
Deal found 11/12$162
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:57 pmBOS - TYS
1 stop21h 35mMultiple Airlines
Thu 12/186:00 amTYS - BOS
Nonstop2h 10mMultiple Airlines
Deal found 11/11$164
This Mytrip deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:11 pmBOS - TYS
1 stop14h 21mMultiple Airlines
Sun 12/76:00 amTYS - BOS
Nonstop2h 10mMultiple Airlines
Deal found 11/11$183
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:28 amBOS - TYS
2 stops10h 09mMultiple Airlines
Sat 12/207:00 amTYS - BOS
Nonstop2h 10mMultiple Airlines
Deal found 11/11$184
This Cheapflightsfares deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:02 amBOS - TYS
Nonstop2h 32mAllegiant Air
Sun 11/236:00 amTYS - BOS
Nonstop2h 12mAllegiant Air
Deal found 11/12$188
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:59 amBOS - TYS
1 stop11h 53mMultiple Airlines
Thu 12/46:00 amTYS - BOS
Nonstop2h 10mMultiple Airlines
Deal found 11/11$189

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Boston to Knoxville that are best for you.

Fly from

Boston

Fly to

Knoxville

Route

Depart

Return

Price

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Thu 12/4

9:00 am-11:31 am

Nonstop2h 31m

Knoxville McGhee Tyson

Sat 12/20

9:23 pm-10:50 am

1 stop13h 27m

$191

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 12/10

8:11 pm-9:37 pm

2 stops25h 26m

Knoxville McGhee Tyson

Wed 12/17

2:53 pm-11:56 pm

1 stop9h 03m

$224

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sun 12/28

9:00 am-11:31 am

Nonstop2h 31m

Knoxville McGhee Tyson

Wed 12/31

12:01 pm-1:14 am

2 stops13h 13m

$225

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 1/13

9:00 am-4:19 pm

1 stop7h 19m

Knoxville McGhee Tyson

Sat 1/17

1:05 pm-6:27 pm

1 stop5h 22m

$231

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 12/9

10:30 am-4:44 pm

1 stop6h 14m

Knoxville McGhee Tyson

Tue 12/16

3:57 pm-9:26 pm

1 stop5h 29m

$231

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 12/16

6:45 am-1:44 pm

1 stop6h 59m

Knoxville McGhee Tyson

Wed 1/7

6:00 am-11:20 am

1 stop5h 20m

$231

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 12/30

10:37 am-4:15 pm

2 stops29h 38m

Knoxville McGhee Tyson

Sun 1/4

6:00 am-8:10 am

Nonstop2h 10m

$231

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 12/17

10:15 am-2:52 pm

1 stop4h 37m

Knoxville McGhee Tyson

Wed 1/7

6:00 am-1:22 pm

1 stop7h 22m

$231

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Thu 11/20

9:02 am-11:34 am

Nonstop2h 32m

Knoxville McGhee Tyson

Wed 12/17

2:53 pm-10:08 am

2 stops19h 15m

$233

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sun 12/14

9:00 am-11:31 am

Nonstop2h 31m

$55

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 19 results
1
2

Compare providers for flights from Boston to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Knoxville in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Knoxville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Knoxville

How far ahead should I book a flight from Boston to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Knoxville. Price data was last updated on November 7, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Knoxville, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Knoxville?

Currently, May is the cheapest month in which you can book a flight from Boston to Knoxville (average of $54). Flying from Boston to Knoxville in January is currently the most expensive (average of $157). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to TYS?

Find hourly flight availability from Boston to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Knoxville in the morning. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Boston to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Boston to Knoxville. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Boston to Knoxville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated November 13, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Boston to Knoxville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
698 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Boston to Knoxville flight route?

    This flight path from Boston Logan Intl to Knoxville McGhee Tyson was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Knoxville?

    For as low as $231, Delta can have you in Knoxville from Boston in 7h 19m. Airlines will cover a distance of 829 mi.

  • What are the cheapest airlines flying from Boston to Knoxville round-trip?

    According to our current data, Allegiant Air ($89), Delta ($215), and American Airlines ($248) offers the cheapest pricing from Boston to Knoxville. You may be able to fly from Boston to Knoxville for 70% less than the average price by searching for these airlines.

  • What are the cheapest flights from Boston to Knoxville?

    Looking at all options, your cheapest flight can be booked for $50. While the most popular route (Boston Logan Intl - Knoxville McGhee Tyson) can be booked for $130 on average, our data indicates $215 when flying from Boston to Knoxville.

  • Can I find deals for flights from Boston to Knoxville that include hotel bookings?

    Yes. In addition to deals on Boston to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Knoxville.

  • Can I find deals for business class flights from Boston to Knoxville?

    Yes. Cheapflights offers flight deals from Boston to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Knoxville?

    Currently, May is the cheapest month in which you can book a flight from Boston to Knoxville (average of $54). Flying from Boston to Knoxville in January is currently the most expensive (average of $157). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 4 airlines flying from Boston to Knoxville

Discover the top 4 airlines that operate flights from Boston to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$89Average$193FlexibilityNo cancel feeOn-time88%
DeltaCheapest$215Average$503FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$486FlexibilityNo cancel feeOn-time69%

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