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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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Knoxville McGhee Tyson are usually found in February or May, booked 84 days in advance, depart on a Wednesday or Friday and return on a Tuesday

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 June 12, 2025.

Round-trip from

$90
(Mytrip)

One-way from

$55
(Mytrip)

Popular in

January

Cheapest in

February

Average price

$222

Good round-trip deal

$102 or less

Good one-way deal

$59 or less
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. 21% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/12. 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 7/2412:50 pmBOS - TYS
Nonstop2h 19mAllegiant Air
Wed 7/306:40 amTYS - BOS
Nonstop2h 15mAllegiant Air
Deal found 6/12$90
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/248:48 pmBOS - TYS
1 stop19h 59mMultiple Airlines
Wed 7/306:40 amTYS - BOS
Nonstop2h 15mMultiple Airlines
Deal found 6/11$140
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2311:46 amBOS - TYS
1 stop5h 53mAmerican Airlines
Wed 7/3011:11 amTYS - BOS
1 stop4h 39mAmerican Airlines
Deal found 6/12$240
This Delta deal was found by Cheapflights users on 6/10. 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 7/235:35 amBOS - TYS
1 stop5h 33mDelta
Wed 7/306:10 amTYS - BOS
1 stop5h 13mDelta
Deal found 6/10$241
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/45:30 amBOS - TYS
1 stop4h 57mUnited Airlines
Sun 7/135:45 amTYS - BOS
2 stops7h 55mUnited Airlines
Deal found 6/10$269

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 June 12, 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 7/24

12:50 pm-3:09 pm

Nonstop2h 19m

Knoxville McGhee Tyson

Wed 7/30

6:40 am-8:55 am

Nonstop2h 15m

$90

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Thu 7/24

8:48 pm-4:47 pm

1 stop19h 59m

Knoxville McGhee Tyson

Wed 7/30

6:40 am-8:55 am

Nonstop2h 15m

$140

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 7/23

11:46 am-5:39 pm

1 stop5h 53m

Knoxville McGhee Tyson

Wed 7/30

11:11 am-3:50 pm

1 stop4h 39m

$240

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 7/23

5:35 am-11:08 am

1 stop5h 33m

Knoxville McGhee Tyson

Wed 7/30

6:10 am-11:23 am

1 stop5h 13m

$241

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Fri 7/4

5:30 am-10:27 am

1 stop4h 57m

Knoxville McGhee Tyson

Sun 7/13

5:45 am-1:40 pm

2 stops7h 55m

$269

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 7/16

9:45 am-12:06 pm

Nonstop2h 21m

$55

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Mon 7/14

6:00 am-4:47 pm

1 stop10h 47m

$110

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Tue 7/1

9:16 am-5:12 pm

1 stop7h 56m

$179

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 6/18

5:35 am-11:08 am

1 stop5h 33m

$225

BostonKnoxville

BOS - TYS

BOSTYS

Boston Logan Intl

Wed 7/16

9:30 am-2:58 pm

1 stop5h 28m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Knoxville, you should look to book at least 84 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, January is the cheapest month in which you can book a flight from Boston to Knoxville (average of $296). Flying from Boston to Knoxville in March is currently the most expensive (average of $376). 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 June 12, 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 June 8, 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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Knoxville by month

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

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

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

If weather is an important factor for your trip to Knoxville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Boston to Knoxville, such as Delta, United Airlines and Allegiant Air. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, Allegiant Air ($90), American Airlines ($240), and Delta ($241) offers the cheapest pricing from Boston to Knoxville. You may be able to fly from Boston to Knoxville for 71% less than the average price by searching for these airlines.

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

    $55 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 Delta, with prices starting from $179 and $225, respectively.

  • What are the cheapest flights from Boston to Knoxville?

    Looking at all options, your cheapest flight can be booked for $52. While the most popular route (Boston Logan Intl - Knoxville McGhee Tyson) can be booked for $70 on average our data indicates $100 when flying from Boston to Knoxville.

  • Where are the most common layover locations when flying from Boston to Knoxville?

    Boston to Knoxville flights have a layover in Charlotte most of the time.

  • What are some popular things to do or see while on a layover in Charlotte?

    If you're on a layover in Charlotte and looking for things to do, consider visiting Carowind, Mint Museum Uptown, or NASCAR Hall of Fame. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame can be visited by traveling about 8.2 mi, 5.4 mi, and 5.7 mi respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $48 per day.

  • Where are the least popular layover locations for Boston to Knoxville flights?

    Of the flights from Boston to Knoxville that have layovers, the fewest flights stop in Charlotte.

  • 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, January is the cheapest month in which you can book a flight from Boston to Knoxville (average of $296). Flying from Boston to Knoxville in March is currently the most expensive (average of $376). 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
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$90Average$193FlexibilityNo cancel feeOn-time88%
DeltaCheapest$248Average$488FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$252Average$573FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$494FlexibilityNo cancel feeOn-time71%

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