HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$61+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TYS
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Boston Logan Intl to Knoxville McGhee Tyson are usually found in February or July, booked 56 days in advance, depart on a Tuesday or Friday and return on a Tuesday

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 enero 29, 2026.

This Booking.com deal was found by Cheapflights users on 1/26. 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.
jue. 4/99:06 am
BOS
-
TYS
Nonstop2h 29m
Allegiant Air
dom. 4/126:00 am
TYS
-
BOS
Nonstop2h 16m
Allegiant Air
Deal found 1/26$82
This Booking.com deal was found by Cheapflights users on 1/27. 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.
jue. 2/269:28 am
BOS
-
TYS
Nonstop2h 41m
Allegiant Air
jue. 3/56:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Deal found 1/27$132
This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/269:28 am
BOS
-
TYS
Nonstop2h 41m
Allegiant Air
dom. 3/16:30 am
TYS
-
BOS
Nonstop2h 08m
Allegiant Air
Deal found 1/29$133
This Mytrip deal was found by Cheapflights users on 1/28. 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.
jue. 3/199:00 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
jue. 3/267:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Deal found 1/28$134
This Booking.com deal was found by Cheapflights users on 1/27. 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.
jue. 2/129:29 am
BOS
-
TYS
Nonstop2h 43m
Allegiant Air
dom. 2/156:30 am
TYS
-
BOS
Nonstop2h 09m
Allegiant Air
Deal found 1/27$145
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
dom. 5/2410:30 am
BOS
-
TYS
Nonstop2h 29m
Allegiant Air
sáb. 6/66:45 am
TYS
-
BOS
Nonstop2h 18m
Allegiant Air
Deal found 1/27$159
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/239:45 am
BOS
-
TYS
Nonstop2h 29m
Allegiant Air
sáb. 5/306:45 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Deal found 1/28$166
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
jue. 2/269:28 am
BOS
-
TYS
Nonstop2h 41m
Multiple Airlines
lun. 3/29:36 pm
TYS
-
BOS
1 stop26h 08m
Multiple Airlines
Deal found 1/28$177
This Booking.com deal was found by Cheapflights users on 1/27. 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.
jue. 3/199:00 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
dom. 3/226:00 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Deal found 1/27$178
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
mié. 4/85:49 pm
BOS
-
TYS
1 stop28h 16m
Multiple Airlines
dom. 4/126:00 am
TYS
-
BOS
Nonstop2h 16m
Multiple Airlines
Deal found 1/27$180

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$82
(Booking.com)

One-way from

$61
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$389

Good round-trip deal

$160 or less

Good one-way deal

$104 or less
Provider with most accurate pricing for Boston Logan Intl-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Knoxville McGhee Tyson flights.
Search Deals
From Boston Logan Intl to Knoxville McGhee Tyson
Search Deals
One-way flight from Boston Logan Intl to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Knoxville McGhee Tyson.
Search Deals

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 enero 29, 2026.
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

dom. 2/15

9:29 am-12:12 pm

Nonstop2h 43m

Knoxville McGhee Tyson

jue. 2/19

6:30 am-8:39 am

Nonstop2h 09m

$202

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

jue. 4/9

9:06 am-11:35 am

Nonstop2h 29m

Knoxville McGhee Tyson

dom. 4/12

4:31 pm-1:26 am

2 stops32h 55m

$211

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

jue. 2/19

9:29 am-12:12 pm

Nonstop2h 43m

Knoxville McGhee Tyson

dom. 2/22

5:56 pm-11:59 pm

2 stops54h 03m

$228

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

lun. 3/16

5:30 am-10:31 am

1 stop5h 01m

Knoxville McGhee Tyson

mar. 3/17

11:18 am-4:25 pm

1 stop5h 07m

$251

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

jue. 4/30

9:06 am-11:35 am

Nonstop2h 29m

Knoxville McGhee Tyson

dom. 5/3

6:00 am-8:16 am

Nonstop2h 16m

$258

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

jue. 4/16

10:00 am-4:49 pm

1 stop6h 49m

Knoxville McGhee Tyson

mar. 4/21

5:54 pm-11:58 pm

1 stop6h 04m

$283

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

mar. 5/26

12:55 pm-7:40 pm

1 stop6h 45m

Knoxville McGhee Tyson

mar. 6/2

7:05 am-5:15 pm

2 stops10h 10m

$284

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

lun. 5/25

6:00 am-10:59 am

1 stop4h 59m

Knoxville McGhee Tyson

sáb. 6/6

6:10 am-11:27 am

1 stop5h 17m

$297

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

vie. 2/20

5:27 am-6:32 pm

2 stops13h 05m

Knoxville McGhee Tyson

dom. 2/22

6:30 am-8:39 am

Nonstop2h 09m

$301

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

lun. 5/25

5:30 am-10:10 am

1 stop4h 40m

Knoxville McGhee Tyson

vie. 6/5

7:20 pm-1:03 am

1 stop5h 43m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 22 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Knoxville flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

To ensure you get the cheapest price possible for a flight from Boston to Knoxville, you should look to book at least 56 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 $166). 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.

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 enero 29, 2026.
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
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
9,215 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
11,206 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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
706 reviews
Delta
7.9
Good
8,127 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

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 6 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 $202, Allegiant Air can have you in Knoxville from Boston in 2h 43m. Airlines will cover a distance of 829 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Allegiant Air ($88), 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 68% 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 American Airlines and United Airlines, with prices starting from $138 and $139, respectively.

  • 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 $80 on average, our data indicates $190 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 $166). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$88Average$191FlexibilityNo cancel feeOn-time88%
DeltaCheapest$199Average$415FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$427FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$446FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.