Knoxville

$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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TYS
Jan 17 — Jan 241
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Find cheap flights from Boston to Knoxville with Cheapflights

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

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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Fri 1/96:00 amTYS - BOS
1 stop17h 19mMultiple Airlines
Deal found 12/16$199
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mAllegiant Air
Sat 1/36:00 amTYS - BOS
Nonstop2h 10mAllegiant Air
Deal found 12/17$212
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Mon 1/126:18 pmTYS - BOS
1 stop20h 20mMultiple Airlines
Deal found 12/16$215
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Tue 1/131:00 pmTYS - BOS
1 stop25h 38mMultiple Airlines
Deal found 12/16$228
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Thu 1/81:39 pmTYS - BOS
2 stops33h 40mMultiple Airlines
Deal found 12/17$231
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Tue 1/65:37 pmTYS - BOS
1 stop17h 57mMultiple Airlines
Deal found 12/17$239
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/309:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Sat 1/105:30 pmTYS - BOS
1 stop16h 41mMultiple Airlines
Deal found 12/16$241
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Sun 12/219:00 amBOS - TYS
Nonstop2h 31mAllegiant Air
Thu 12/259:45 amTYS - BOS
Nonstop2h 10mAllegiant Air
Deal found 12/17$244
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/189:00 amBOS - TYS
Nonstop2h 31mMultiple Airlines
Mon 12/225:38 pmTYS - BOS
1 stop16h 29mMultiple Airlines
Deal found 12/16$263

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$80
(Cheapflightsfares)

One-way from

$55
(Booking.com)

Popular in

January

Cheapest in

February

Average price

$367

Good round-trip deal

$166 or less

Good one-way deal

$75 or less
Provider with most accurate pricing for Boston Logan Intl-Knoxville McGhee Tyson flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Knoxville McGhee Tyson flights.
From Boston Logan Intl to Knoxville McGhee Tyson
One-way flight from Boston Logan Intl to Knoxville McGhee Tyson
Highest demand for flights based on searches. 14% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Boston Logan Intl to Knoxville McGhee Tyson.
Price to beat on a one-way flight from Boston Logan Intl to Knoxville McGhee Tyson.

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 December 18, 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 2/12

9:29 am-12:12 pm

Nonstop2h 43m

Knoxville McGhee Tyson

Sun 2/15

6:30 am-8:39 am

Nonstop2h 09m

$80

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Sat 1/17

3:43 pm-5:53 pm

2 stops26h 10m

Knoxville McGhee Tyson

Sat 1/24

12:30 pm-11:19 pm

1 stop10h 49m

$194

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 12/30

9:00 am-11:31 am

Nonstop2h 31m

Knoxville McGhee Tyson

Sat 1/3

6:00 am-8:10 am

Nonstop2h 10m

$212

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 1/14

5:23 pm-5:53 pm

2 stops24h 30m

Knoxville McGhee Tyson

Wed 1/21

4:47 pm-11:57 pm

1 stop7h 10m

$216

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Fri 1/9

5:34 am-1:40 pm

1 stop8h 06m

Knoxville McGhee Tyson

Sun 1/11

7:26 pm-1:19 am

2 stops29h 53m

$269

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Fri 1/30

11:21 am-4:49 pm

1 stop5h 28m

Knoxville McGhee Tyson

Tue 2/3

11:19 am-5:05 pm

1 stop5h 46m

$273

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 4/28

7:55 pm-10:36 am

1 stop14h 41m

Knoxville McGhee Tyson

Sun 5/3

6:00 am-8:16 am

Nonstop2h 16m

$299

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Fri 1/2

10:56 am-9:48 pm

1 stop10h 52m

Knoxville McGhee Tyson

Tue 1/6

5:37 pm-10:01 am

1 stop16h 24m

$301

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Fri 1/30

10:30 am-8:52 pm

2 stops10h 22m

Knoxville McGhee Tyson

Tue 2/3

7:20 pm-11:49 pm

1 stop4h 29m

$302

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Thu 1/1

12:45 pm-3:16 pm

Nonstop2h 31m

Knoxville McGhee Tyson

Tue 1/6

7:22 pm-1:19 am

3 stops29h 57m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 18 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 December.
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 December 12, 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 $140). 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 December 18, 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 68% 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 December 13, 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 December 18, 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.

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

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.

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

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.

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

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.

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

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.

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

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?

  • How long is the flight from Boston to Knoxville?

    For as low as $80, Allegiant Air can have you in Knoxville from Boston in 2h 43m. Airlines will cover a distance of 829 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Allegiant Air ($89), Delta ($199), and American Airlines ($248) offers the cheapest pricing from Boston to Knoxville. You may be able to fly from Boston to Knoxville for 69% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to Knoxville one-way?

    $51 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $139 and $157, respectively.

  • What are the cheapest flights from Boston to Knoxville?

    Looking at all options, your cheapest flight can be booked for $61. While the most popular route (Boston Logan Intl - Knoxville McGhee Tyson) can be booked for $188 on average, our data indicates $197 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 $140). 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
Cherokee
Crossville
Corbin
Morristown
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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$89Average$190FlexibilityNo cancel feeOn-time88%
DeltaCheapest$230Average$500FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$447FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$446FlexibilityNo cancel feeOn-time69%

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