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Cheap flights from Boston to Knoxville from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Knoxville departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Knoxville

Cheap round-trip flights

Allegiant Air Logo
12:50 pm - 3:09 pmBOS-TYS
2h 19mnonstop
Allegiant Air Logo
6:40 am - 8:55 amTYS-BOS
2h 15mnonstop
$70Allegiant Air
Find Deal
Thu, Jul 24 - Wed, Jul 30
Allegiant Air Logo
9:45 am - 12:06 pmBOS-TYS
2h 21mnonstop
Allegiant Air Logo
6:40 am - 8:55 amTYS-BOS
2h 15mnonstop
$71Allegiant Air
Find Deal
Wed, Jul 23 - Wed, Jul 30
 Logo
8:48 pm - 4:47 pmBOS-TYS
19h 59m1 stop
 Logo
6:40 am - 8:55 amTYS-BOS
2h 15mnonstop
Thu, Jul 24 - Wed, Jul 30
 Logo
5:36 pm - 10:23 pmBOS-TYS
28h 47m1 stop
 Logo
7:00 am - 9:15 amTYS-BOS
2h 15mnonstop
Tue, Jul 8 - Tue, Jul 15
Delta Logo
5:35 am - 11:08 amBOS-TYS
5h 33m1 stop
Delta Logo
6:10 am - 11:23 amTYS-BOS
5h 13m1 stop
$241Delta
Find Deal
Wed, Jul 23 - Wed, Jul 30
American Airlines Logo
5:55 am - 10:41 amBOS-TYS
4h 46m1 stop
American Airlines Logo
4:25 pm - 10:19 pmTYS-BOS
5h 54m1 stop
$245American Airlines
Find Deal
Fri, Jul 11 - Wed, Jul 16
American Airlines Logo
6:00 am - 10:06 amBOS-TYS
4h 06m1 stop
American Airlines Logo
12:03 pm - 5:34 pmTYS-BOS
5h 31m1 stop
$249American Airlines
Find Deal
Fri, Aug 15 - Fri, Aug 22
Delta Logo
5:10 am - 10:19 amBOS-TYS
5h 09m1 stop
Delta Logo
6:10 am - 11:23 amTYS-BOS
5h 13m1 stop
$254Delta
Find Deal
Thu, Jun 26 - Tue, Jul 1
United Airlines Logo
5:30 am - 10:27 amBOS-TYS
4h 57m1 stop
United Airlines Logo
5:45 am - 1:40 pmTYS-BOS
7h 55m2 stops
$269United Airlines
Find Deal
Fri, Jul 4 - Sun, Jul 13
United Airlines Logo
1:00 pm - 10:37 pmBOS-TYS
9h 37m2 stops
United Airlines Logo
5:45 am - 10:31 amTYS-BOS
4h 46m1 stop
$324United Airlines
Find Deal
Fri, Jul 11 - Wed, Jul 16

Allegiant Air flights from Boston to Knoxville

Our best Allegiant Air deals on Boston to Knoxville flight tickets
Allegiant Air
Jul 24
BOS12:50 pmBoston Logan Intl
2h 19m
TYS3:09 pmKnoxville McGhee Tyson
Jul 30
TYS6:40 amKnoxville McGhee Tyson
2h 15m
BOS8:55 amBoston Logan Intl
Allegiant Air
Jul 23
BOS9:45 amBoston Logan Intl
2h 21m
TYS12:06 pmKnoxville McGhee Tyson
Jul 30
TYS6:40 amKnoxville McGhee Tyson
2h 15m
BOS8:55 amBoston Logan Intl
Allegiant Air
Jul 24
BOS12:50 pmBoston Logan Intl
2h 19m
TYS3:09 pmKnoxville McGhee Tyson
Jul 30
TYS6:40 amKnoxville McGhee Tyson
2h 15m
BOS8:55 amBoston Logan Intl

Delta flights from Boston to Knoxville

Our best Delta deals on Boston to Knoxville flight tickets
Delta
Jul 23
BOS5:35 amBoston Logan Intl
5h 33m
1 stop
TYS11:08 amKnoxville McGhee Tyson
Jul 30
TYS6:10 amKnoxville McGhee Tyson
5h 13m
1 stop
BOS11:23 amBoston Logan Intl
Delta
Jun 26
BOS5:10 amBoston Logan Intl
5h 09m
1 stop
TYS10:19 amKnoxville McGhee Tyson
Jul 1
TYS6:10 amKnoxville McGhee Tyson
5h 13m
1 stop
BOS11:23 amBoston Logan Intl
Delta
Jun 20
BOS1:00 pmBoston Logan Intl
7h 35m
1 stop
TYS8:35 pmKnoxville McGhee Tyson
Jun 23
TYS7:44 pmKnoxville McGhee Tyson
5h 37m
1 stop
BOS1:21 amBoston Logan Intl

See travel insights to Knoxville from

How to get the cheapest flight ticket from Boston to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of February is, on average, the cheapest month to fly to Knoxville from Boston, with most prices found around $165. If you aren’t able to travel during the month of February, then book flights to Knoxville from Boston during May instead. Flights to Knoxville in May, while not as cheap as those in February, still average around $214.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Boston to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $127. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Knoxville for around $251.

What is the cheapest time of day to depart on your flight to Knoxville?

In the morning is the cheapest time of day to fly from Boston to Knoxville when you can find flight prices for as low as $195. Flying to Knoxville in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the evening when prices are around $604.

What is the cheapest Boston Logan Intl to Knoxville McGhee Tyson flight route?

Fly from Boston Logan Intl to Knoxville McGhee Tyson for the best Boston Logan Intl - Knoxville McGhee Tyson flight prices

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Boston when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $316 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Boston for as low as $246 on momondo.

What cabin class options are available on Boston Logan Intl to Knoxville McGhee Tyson flights?

There are 1 cabin classes available to choose from on Boston Logan Intl to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Knoxville flight prices changed over time?

As of June 2025, prices for Boston to Knoxville flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Knoxville (BOS to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Knoxville

Best Price Found

$55

Fastest flight time

2h 19m

Direct flights

Mon, Wed, Thu, Fri and Sun

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Boston in the past 72 hours is $55. The best round-trip flight deal from Boston to Knoxville found on momondo in the last 72 hours is $70.
The fastest flight from Boston to Knoxville takes 2h 19m
Direct flights go from Boston to Knoxville on Monday, Wednesday, Thursday, Friday and Sunday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Boston Logan Intl to Knoxville McGhee Tyson by plane?

    The distance between Boston Logan Intl and Knoxville McGhee Tyson is about 816.8 mi. By plane, this route typically takes 2h 19m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Knoxville?

  • What is the most popular airline from Boston to Knoxville?


Best airlines flying from Boston to Knoxville

Compare and see reviews for airlines that fly from Boston to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $90Free CancellationRating
7.3
725 reviews
Search Allegiant Air flights
DeltaPriceFrom $248Free CancellationRating
8.0
7,946 reviews
Search Delta flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
8,790 reviews
Search United Airlines flights
American AirlinesPriceFrom $260Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Allegiant Air Flights From Boston to Knoxville

    The lowest priced Allegiant Air flight from Boston to Knoxville from the last 72 hours was $90. Generally, Allegiant Air has 2 flights on this route every week with an average price of $193. Allegiant Air is rated 7.3/10 by our users.


Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Murphy
Newport
Oak Ridge
Alcoa
Lenoir City
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Knoxville?

Finding the right flight to Knoxville from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

Can I find flights from Boston to Knoxville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Knoxville?

Once all potential Boston to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Knoxville right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Knoxville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
Tue 6/17
Tue 6/24

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