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$56+ Cheap flights from Knoxville to Boston (TYS - BOS)

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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOS
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Boston Logan Intl are usually found in May or June, booked 73 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Knoxville to Boston

Cheapest flights from Knoxville to Boston
Explore the most affordable flight options available from Knoxville to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.

This Mytrip deal was found by Cheapflights users on 2/15. 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 2/266:30 am
TYS
-
BOS
Nonstop2h 08m
Allegiant Air
Sun 3/19:28 am
BOS
-
TYS
Nonstop2h 41m
Allegiant Air
Deal found 2/15$112
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/127:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Sun 3/2910:30 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
Deal found 2/14$124
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/267:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Sun 3/2910:30 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
Deal found 2/14$126
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Thu 3/199:00 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
Deal found 2/12$136
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/157:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Sun 3/2910:30 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
Deal found 2/14$141
This Booking.com deal was found by Cheapflights users on 2/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Thu 3/199:00 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
Deal found 2/12$146
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Sat 5/236:45 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Sun 5/2410:30 am
BOS
-
TYS
Nonstop2h 29m
Allegiant Air
Deal found 2/15$155
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/127:30 am
TYS
-
BOS
Nonstop2h 10m
Multiple Airlines
Tue 3/319:45 am
BOS
-
TYS
1 stop27h 00m
Multiple Airlines
Deal found 2/14$162
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/217:30 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Sun 5/2410:30 am
BOS
-
TYS
Nonstop2h 29m
Allegiant Air
Deal found 2/15$166
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 3/196:00 am
TYS
-
BOS
Nonstop2h 10m
Allegiant Air
Sun 3/229:00 am
BOS
-
TYS
Nonstop2h 32m
Allegiant Air
Deal found 2/15$167
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 3/127:30 am
TYS
-
BOS
Nonstop2h 10m
Multiple Airlines
Mon 3/309:45 am
BOS
-
TYS
1 stop12h 02m
Multiple Airlines
Deal found 2/14$168

Find flight deals from Knoxville to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Boston (BOS). 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 February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$112
(Mytrip)

One-way from

$56
(Booking.com)

Popular in

November

Cheapest in

May

Average price

$210

Good round-trip deal

$99 or less

Good one-way deal

$51 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Boston Logan Intl flights.
Search Deals
From Knoxville McGhee Tyson to Boston Logan Intl
Search Deals
One-way flight from Knoxville McGhee Tyson to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Boston 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 February 16, 2026.
Use the filters below to find and compare flights from Knoxville to Boston that are best for you.

Fly from

Knoxville

Fly to

Boston

Route

Depart

Return

Price

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 3/5

6:30 am-8:40 am

Nonstop2h 10m

Boston Logan Intl

Thu 3/19

9:00 am-11:32 am

Nonstop2h 32m

$146

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 3/17

7:00 am-12:49 pm

1 stop5h 49m

Boston Logan Intl

Tue 3/24

9:30 am-2:50 pm

1 stop5h 20m

$231

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 4/9

6:05 am-1:15 pm

1 stop7h 10m

Boston Logan Intl

Mon 4/13

5:35 am-10:21 am

1 stop4h 46m

$259

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 3/12

7:00 am-12:49 pm

1 stop5h 49m

Boston Logan Intl

Thu 3/19

5:45 am-10:49 am

1 stop5h 04m

$259

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 3/26

6:00 am-11:59 pm

2 stops17h 59m

Boston Logan Intl

Mon 3/30

9:45 am-9:47 pm

1 stop12h 02m

$269

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 3/17

6:35 am-4:00 pm

2 stops9h 25m

Boston Logan Intl

Tue 3/24

5:45 am-5:40 pm

2 stops11h 55m

$269

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Mon 3/16

7:25 pm-11:57 pm

1 stop4h 32m

Boston Logan Intl

Mon 3/23

5:45 am-10:49 am

1 stop5h 04m

$270

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 3/17

12:03 pm-5:32 pm

1 stop5h 29m

Boston Logan Intl

Wed 4/1

10:00 am-4:12 pm

1 stop6h 12m

$279

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 3/11

6:05 am-1:15 pm

1 stop7h 10m

Boston Logan Intl

Wed 4/1

10:00 am-4:12 pm

1 stop6h 12m

$280

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Tue 3/24

5:40 am-10:04 am

1 stop4h 24m

Boston Logan Intl

Tue 3/24

3:49 pm-8:50 pm

1 stop5h 01m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 22 results
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Compare providers for flights from Knoxville to Boston

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 Knoxville to Boston in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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 Knoxville-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Boston 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 Knoxville-Boston 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 Knoxville to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Knoxville 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 Knoxville to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Boston. Price data was last updated on February 13, 2026.

The best time to book flights from Knoxville to Boston is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from Knoxville to Boston (average of $63). Flying from Knoxville to Boston in January is currently the most expensive (average of $186). 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.

How much does it cost to fly round-trip from Knoxville to Boston?

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated February 16, 2026.
Read through reviews of airlines operating flights from Knoxville to Boston, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,204 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
8,204 reviews
Delta
7.9
Good
8,204 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
9,299 reviews
Delta
7.9
Good
8,204 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
11,294 reviews
Delta
7.9
Good
8,204 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

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
711 reviews
Delta
7.9
Good
8,204 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

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 Knoxville to Boston. 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 Knoxville to Boston flight route?

    Within the past month, 1 users have taken a look at flights from Knoxville McGhee Tyson to Boston Logan Intl.

  • How long is the flight from Knoxville to Boston?

    Departing from Knoxville to Boston will take you 2h 10m. Knoxville and Boston are separated by 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 Knoxville to Boston round-trip?

    Our cheapest airline available from Knoxville to Boston is Allegiant Air. Our recent data shows that you can find tickets from as low as $88 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $157 and $198 round-trip. Allegiant Air is 62% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $55 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $115 and American Airlines from $157 one-way.

  • What are the cheapest flights from Knoxville to Boston?

    Looking at all options, your cheapest flight can be booked for $51. While the most popular route (Knoxville McGhee Tyson - Boston Logan Intl) can be booked for $112 on average, our data indicates $202 when flying from Knoxville to Boston.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Boston 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 Knoxville to Boston?

    Currently, July is the cheapest month in which you can book a flight from Knoxville to Boston (average of $63). Flying from Knoxville to Boston in January is currently the most expensive (average of $186). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Concord
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
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Swansea
Old Orchard Beach
Waltham
Lowell

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Knoxville to Boston

Discover the top 4 airlines that operate flights from Knoxville to Boston. 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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$88Average$180FlexibilityNo cancel feeOn-time88%
DeltaCheapest$157Average$357FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$382FlexibilityNo cancel feeOn-time71%

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