HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$64+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BOS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Boston 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.

The best prices from Knoxville McGhee Tyson to Boston Logan Intl are usually found in June or August, booked 86 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(Cheapflightsfares)

One-way from

$64
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$437

Good round-trip deal

$117 or less

Good one-way deal

$69 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. 23% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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

Find 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 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 4/36:20 amTYS - BOS
Nonstop2h 15mAllegiant Air
Sun 4/69:25 amBOS - TYS
Nonstop2h 33mAllegiant Air
Deal found 2/19$90
This Mytrip deal was found by Cheapflights users on 2/19. 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 4/36:00 amTYS - BOS
1 stop15h 52mMultiple Airlines
Thu 4/1010:20 amBOS - TYS
Nonstop2h 33mMultiple Airlines
Deal found 2/19$145
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2111:21 amTYS - BOS
1 stop7h 14mAmerican Airlines
Tue 6/241:00 pmBOS - TYS
1 stop7h 50mAmerican Airlines
Deal found 2/20$394
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/192:35 pmTYS - BOS
1 stop6h 45mDelta
Sun 3/235:40 amBOS - TYS
1 stop5h 34mDelta
Deal found 2/20$434
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/37:00 amTYS - BOS
1 stop10h 22mUnited Airlines
Mon 4/77:32 pmBOS - TYS
1 stop14h 33mUnited Airlines
Deal found 2/19$445

Find flights from Knoxville to Boston within your budget

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 20, 2025.

Fly from

Knoxville

Fly to

Boston

Route

Depart

Return

Price

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 4/3

6:20 am-8:35 am

Nonstop2h 15m

Boston Logan Intl

Sun 4/6

9:25 am-11:58 am

Nonstop2h 33m

$90

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 4/3

6:00 am-9:52 pm

1 stop15h 52m

Boston Logan Intl

Thu 4/10

10:20 am-12:53 pm

Nonstop2h 33m

$145

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sat 6/21

11:21 am-6:35 pm

1 stop7h 14m

Boston Logan Intl

Tue 6/24

1:00 pm-8:50 pm

1 stop7h 50m

$394

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 3/19

2:35 pm-9:20 pm

1 stop6h 45m

Boston Logan Intl

Sun 3/23

5:40 am-11:14 am

1 stop5h 34m

$434

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 4/3

7:00 am-5:22 pm

1 stop10h 22m

Boston Logan Intl

Mon 4/7

7:32 pm-10:05 am

1 stop14h 33m

$445

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sun 3/2

7:00 am-9:15 am

Nonstop2h 15m

$64

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 3/26

9:00 am-9:52 pm

1 stop12h 52m

$77

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Fri 4/4

9:55 am-11:45 pm

1 stop13h 50m

$258

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sat 5/31

6:35 am-2:24 pm

1 stop7h 49m

$263

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sun 3/16

7:50 am-11:54 am

1 stop4h 04m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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
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 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.

Travel insights for flights from Knoxville to Boston

Get recent, data-driven insights about flights from Knoxville to Boston including ideal travel times, pricing trends, and more.

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 14, 2025.

The best time to book flights from Knoxville to Boston is 86 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, January is the cheapest month in which you can book a flight from Knoxville to Boston (average of $218). Flying from Knoxville to Boston in July is currently the most expensive (average of $311). 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 TYS to BOS?

Find hourly flight availability from Knoxville to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Knoxville to Boston in the morning. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Boston. Price data was last updated on February 16, 2025.

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

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 20, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Knoxville to Boston to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,227 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,227 reviews
Delta
8.0
Very good
8,227 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,771 reviews
Delta
8.0
Very good
8,227 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.3
Good
767 reviews
Delta
8.0
Very good
8,227 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,227 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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, 2 users have taken a look at flights from Knoxville McGhee Tyson to Boston Logan Intl.

  • 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 $90 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $394 and $434 round-trip. Allegiant Air is 74% 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 $64 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $258 and American Airlines from $263 one-way.

  • What are the cheapest flights from Knoxville to Boston?

    Looking at all options, your cheapest flight can be booked for $62. While the most popular route (Knoxville McGhee Tyson - Boston Logan Intl) can be booked for $90 on average our data indicates $158 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, January is the cheapest month in which you can book a flight from Knoxville to Boston (average of $218). Flying from Knoxville to Boston in July is currently the most expensive (average of $311). 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
Warwick
Marlborough
Brockton
Waltham
Cambridge
Sturbridge
Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
Watertown
West Yarmouth
Woburn
Saco
Seabrook
Salem
Brookline
Fall River

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 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$118Average$220FlexibilityNo cancel feeOn-time88%
DeltaCheapest$232Average$480FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$624FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$518FlexibilityNo cancel feeOn-time71%
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.