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Cheap flights from Knoxville to Boston 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 Knoxville to Boston departing on 8/26. 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 Knoxville to Boston

Cheap round-trip flights

These are some of the best round-trip flight deals from Knoxville to Boston that have been recently found on momondo from popular airlines, departing in the coming months.
Allegiant Air Logo
8:00 am - 10:13 amTYS-BOS
2h 13mnonstop
Allegiant Air Logo
11:03 am - 1:31 pmBOS-TYS
2h 28mnonstop
$90Allegiant Air
Find Deal
Sat, Aug 16 - Sat, Aug 23
Allegiant Air Logo
6:00 am - 8:15 amTYS-BOS
2h 15mnonstop
Allegiant Air Logo
12:50 pm - 3:09 pmBOS-TYS
2h 19mnonstop
$97Allegiant Air
Find Deal
Sat, Aug 2 - Sun, Aug 10
 Logo
9:45 am - 12:02 pmTYS-BOS
2h 17mnonstop
 Logo
6:00 am - 4:47 pmBOS-TYS
10h 47m1 stop
Sun, Jun 22 - Fri, Jun 27
 Logo
7:15 am - 9:30 amTYS-BOS
2h 15mnonstop
 Logo
5:42 pm - 12:16 pmBOS-TYS
18h 34m1 stop
Sun, May 11 - Thu, May 15
American Airlines Logo
2:46 pm - 7:18 pmTYS-BOS
4h 32m1 stop
American Airlines Logo
5:55 am - 10:33 amBOS-TYS
4h 38m1 stop
$279American Airlines
Find Deal
Sat, May 31 - Sat, Jun 7
United Airlines Logo
7:00 am - 2:14 pmTYS-BOS
7h 14m2 stops
United Airlines Logo
5:30 am - 10:27 amBOS-TYS
4h 57m1 stop
$284United Airlines
Find Deal
Tue, Jun 24 - Tue, Jul 1
Delta Logo
2:36 pm - 8:35 pmTYS-BOS
5h 59m1 stop
Delta Logo
5:15 am - 10:14 amBOS-TYS
4h 59m1 stop
$319Delta
Find Deal
Sat, Aug 2 - Sun, Aug 10
United Airlines Logo
7:25 pm - 11:59 pmTYS-BOS
4h 34m1 stop
United Airlines Logo
12:29 pm - 10:40 pmBOS-TYS
10h 11m2 stops
$354United Airlines
Find Deal
Sat, Jun 21 - Tue, Jun 24
Delta Logo
6:10 pm - 1:00 amTYS-BOS
6h 50m1 stop
Delta Logo
12:00 pm - 4:47 pmBOS-TYS
4h 47m1 stop
$359Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
American Airlines Logo
6:30 am - 12:27 pmTYS-BOS
5h 57m1 stop
American Airlines Logo
6:07 am - 10:07 amBOS-TYS
4h 00m1 stop
$619American Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 20

Allegiant Air flights from Knoxville to Boston

Our best Allegiant Air deals on Knoxville to Boston flight tickets
Allegiant Air
Aug 16
TYS8:00 amKnoxville McGhee Tyson
2h 13m
BOS10:13 amBoston Logan Intl
Aug 23
BOS11:03 amBoston Logan Intl
2h 28m
TYS1:31 pmKnoxville McGhee Tyson
Allegiant Air
Aug 2
TYS6:00 amKnoxville McGhee Tyson
2h 15m
BOS8:15 amBoston Logan Intl
Aug 10
BOS12:50 pmBoston Logan Intl
2h 19m
TYS3:09 pmKnoxville McGhee Tyson
Allegiant Air
Jun 21
TYS6:00 amKnoxville McGhee Tyson
2h 17m
BOS8:17 amBoston Logan Intl
Jun 24
BOS10:07 amBoston Logan Intl
2h 21m
TYS12:28 pmKnoxville McGhee Tyson

American Airlines flights from Knoxville to Boston

Our best American Airlines deals on Knoxville to Boston flight tickets
American Airlines
May 31
TYS2:46 pmKnoxville McGhee Tyson
4h 32m
1 stop
BOS7:18 pmBoston Logan Intl
Jun 7
BOS5:55 amBoston Logan Intl
4h 38m
1 stop
TYS10:33 amKnoxville McGhee Tyson
American Airlines
Sep 10
TYS6:30 amKnoxville McGhee Tyson
5h 57m
1 stop
BOS12:27 pmBoston Logan Intl
Sep 20
BOS6:07 amBoston Logan Intl
4h 00m
1 stop
TYS10:07 amKnoxville McGhee Tyson
American Airlines
May 12
TYS4:10 pmKnoxville McGhee Tyson
6h 41m
2 stops
BOS10:51 pmBoston Logan Intl
May 13
BOS11:00 amBoston Logan Intl
7h 02m
2 stops
TYS6:02 pmKnoxville McGhee Tyson

See travel insights to Boston from

How to get the cheapest flight ticket from Knoxville to Boston

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 cheapest month to fly to Boston?

In general, March is the cheapest month to fly from Knoxville to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $148. If you aren’t able to travel during the month of March, then book flights to Boston from Knoxville during February instead. Flights to Boston in February, while not as cheap as those in March, still average around $204.

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

The cheapest day to depart from Knoxville to Boston is on a Tuesday when prices can be found for as low as $172. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $235.

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

According to our data, the cheapest time of day to fly to Boston is in the morning. momondo users have found flights departing from Knoxville to Boston in the morning for as low as $214. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $524 per ticket.

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

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

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

You are more likely to see cheaper flights to Boston from Knoxville when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $305 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Knoxville for as low as $239 on momondo.

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

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

How have Knoxville to Boston flight prices changed over time?

As of May 2025, prices for Knoxville to Boston flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Knoxville to Boston

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

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

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

Best Price Found

$55

Fastest flight time

2h 11m

Direct flights

Mon, Wed, Thu, Fri and Sun

Airports in Boston

1 airport
The best one-way flight to Boston from Knoxville in the past 72 hours is $55. The best round-trip flight deal from Knoxville to Boston found on momondo in the last 72 hours is $90.
The fastest flight from Knoxville to Boston takes 2h 11m
Direct flights go from Knoxville to Boston on Monday, Wednesday, Thursday, Friday and Sunday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Boston: Boston Logan Intl (BOS)

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

    The straight-line distance from Knoxville McGhee Tyson to Boston Logan Intl is 816.8 mi. In terms of flight time, this usually takes a little over 2h 11m.

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

    Prices for flights from Knoxville McGhee Tyson Airport to Boston Logan Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Knoxville to Boston

Compare and see reviews for airlines that fly from Knoxville to Boston with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $95Free CancellationRating
7.3
734 reviews
Search Allegiant Air flights
DeltaPriceFrom $231Free CancellationRating
8.0
7,934 reviews
Search Delta flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Allegiant Air Flights From Knoxville to Boston

    Allegiant Air flight deals from Knoxville to Boston start from $95 round-trip. Over the 1 Allegiant Air flight for this route in a normal week, average airfare is usually $201 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
Nashua
York Beach
Cambridge
Plymouth
Brockton
Laconia
Concord
Everett
Narragansett
Warwick
Middletown
Kennebunkport
Wells
Revere
Gloucester

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Knoxville.

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

momondo does allow users to show only those flights to Boston from Knoxville which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boston from Knoxville.

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

Of course. momondo tracks the price of Knoxville to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
Tue 5/6
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