What airlines fly to Boston?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Boston from Knoxville according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 5 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Boston Logan Intl?

Allegiant Air is the most popular carrier operating from Knoxville McGhee Tyson to Boston Logan Intl

How often are flights from Knoxville to Boston delayed?

Historically, on average around 8% of flights between Knoxville and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

Which airline has the best punctuality record on Knoxville to Boston flights?

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

What is the most punctual flight time for Knoxville to Boston flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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?

As of December 2025, there are 4 operators available to choose from 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.

$77 Cheap Flights from Knoxville to Boston in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $250 to $581. The lowest price recently found on this route was $85.

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6:30 am - 8:39 am

TYS

BOS

2h 09mnonstop

9:28 am - 12:09 pm

BOS

TYS

2h 41mnonstop

$85Allegiant Air

Sun, Feb 22 - Thu, Feb 26

7:30 am - 9:40 am

TYS

BOS

2h 10mnonstop

10:30 am - 1:02 pm

BOS

TYS

2h 32mnonstop

$130Allegiant Air

Thu, Mar 26 - Sun, Mar 29

4:47 pm - 11:57 pm

TYS

BOS

7h 10m1 stop

5:27 pm - 8:39 am

BOS

TYS

15h 12m1 stop

$186Multiple Airlines

Wed, Jan 28 - Sat, Jan 31

8:30 am - 11:57 pm

TYS

BOS

15h 27m1 stop

5:27 pm - 8:39 am

BOS

TYS

15h 12m1 stop

$189Multiple Airlines

Mon, Jan 26 - Sat, Jan 31

8:30 am - 11:57 pm

TYS

BOS

15h 27m1 stop

5:34 am - 8:39 am

BOS

TYS

27h 05m1 stop

$194Multiple Airlines

Mon, Jan 26 - Wed, Jan 28

8:30 am - 11:57 pm

TYS

BOS

15h 27m1 stop

7:00 am - 5:28 pm

BOS

TYS

10h 28m1 stop

$197Multiple Airlines

Mon, Jan 26 - Fri, Jan 30

9:29 am - 11:57 pm

TYS

BOS

14h 28m1 stop

5:27 pm - 8:39 am

BOS

TYS

15h 12m1 stop

$202Multiple Airlines

Thu, Jan 29 - Sat, Jan 31

6:30 am - 8:39 am

TYS

BOS

2h 09mnonstop

5:27 am - 2:35 pm

BOS

TYS

9h 08m1 stop

$204Multiple Airlines

Sun, Feb 22 - Thu, Feb 26

9:29 am - 11:57 pm

TYS

BOS

14h 28m1 stop

7:00 am - 5:28 pm

BOS

TYS

10h 28m1 stop

$209Multiple Airlines

Thu, Jan 29 - Fri, Jan 30

1:39 pm - 1:13 am

TYS

BOS

11h 34m2 stops

5:34 am - 3:57 pm

BOS

TYS

10h 23m1 stop

$210Multiple Airlines

Sun, Jan 18 - Wed, Jan 21

Allegiant Air flights from Knoxville to Boston

Our best Allegiant Air deals on Knoxville to Boston flight tickets

Allegiant Air

Feb 22

TYS6:30 amKnoxville McGhee Tyson

2h 09m

BOS8:39 amBoston Logan Intl

Feb 26

BOS9:28 amBoston Logan Intl

2h 41m

TYS12:09 pmKnoxville McGhee Tyson

$85

Find similar

Allegiant Air

Mar 26

TYS7:30 amKnoxville McGhee Tyson

2h 10m

BOS9:40 amBoston Logan Intl

Mar 29

BOS10:30 amBoston Logan Intl

2h 32m

TYS1:02 pmKnoxville McGhee Tyson

$130

Find similar

Allegiant Air

Jan 1

TYS9:45 amKnoxville McGhee Tyson

2h 10m

BOS11:55 amBoston Logan Intl

Jan 4

BOS9:00 amBoston Logan Intl

2h 31m

TYS11:31 amKnoxville McGhee Tyson

$254

Find similar

United Airlines flights from Knoxville to Boston

Our best United Airlines deals on Knoxville to Boston flight tickets

United Airlines

Feb 24

TYS10:53 amKnoxville McGhee Tyson

6h 26m

1 stop

BOS5:19 pmBoston Logan Intl

Feb 26

BOS5:35 amBoston Logan Intl

5h 14m

1 stop

TYS10:49 amKnoxville McGhee Tyson

$241

Find similar

United Airlines

Feb 24

TYS10:53 amKnoxville McGhee Tyson

8h 15m

2 stops

BOS7:08 pmBoston Logan Intl

Feb 26

BOS5:35 amBoston Logan Intl

5h 14m

1 stop

TYS10:49 amKnoxville McGhee Tyson

$246

Find similar

United Airlines

Feb 2

TYS6:45 amKnoxville McGhee Tyson

8h 30m

2 stops

BOS3:15 pmBoston Logan Intl

Feb 3

BOS12:08 pmBoston Logan Intl

7h 19m

2 stops

TYS7:27 pmKnoxville McGhee Tyson

$251

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sun 2/22

6:30 am-8:39 am

Nonstop2h 09m

Boston Logan Intl

Thu 2/26

9:28 am-12:09 pm

Nonstop2h 41m

$85

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 3/26

7:30 am-9:40 am

Nonstop2h 10m

Boston Logan Intl

Sun 3/29

10:30 am-1:02 pm

Nonstop2h 32m

$130

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Wed 1/28

4:47 pm-11:57 pm

1 stop7h 10m

Boston Logan Intl

Sat 1/31

5:27 pm-8:39 am

1 stop15h 12m

$186

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Mon 1/26

8:30 am-11:57 pm

1 stop15h 27m

Boston Logan Intl

Sat 1/31

5:27 pm-8:39 am

1 stop15h 12m

$189

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Mon 1/26

8:30 am-11:57 pm

1 stop15h 27m

Boston Logan Intl

Wed 1/28

5:34 am-8:39 am

1 stop27h 05m

$194

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Mon 1/26

8:30 am-11:57 pm

1 stop15h 27m

Boston Logan Intl

Fri 1/30

7:00 am-5:28 pm

1 stop10h 28m

$197

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 1/29

9:29 am-11:57 pm

1 stop14h 28m

Boston Logan Intl

Sat 1/31

5:27 pm-8:39 am

1 stop15h 12m

$202

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sun 2/22

6:30 am-8:39 am

Nonstop2h 09m

Boston Logan Intl

Thu 2/26

5:27 am-2:35 pm

1 stop9h 08m

$204

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Thu 1/29

9:29 am-11:57 pm

1 stop14h 28m

Boston Logan Intl

Fri 1/30

7:00 am-5:28 pm

1 stop10h 28m

$209

KnoxvilleBoston

TYS - BOS

TYSBOS

Knoxville McGhee Tyson

Sun 1/18

1:39 pm-1:13 am

2 stops11h 34m

Boston Logan Intl

Wed 1/21

5:34 am-3:57 pm

1 stop10h 23m

$210

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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

Prices

Airlines

Delays

Other information

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

What is the cheapest month to fly to Boston?

In general, June 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 $173. If you aren’t able to travel during the month of June, then book flights to Boston from Knoxville during May instead. Flights to Boston in May, while not as cheap as those in June, still average around $177.

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 $131. 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 $204.

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 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $235 when searching 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 $140 on momondo.

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

There is only 1 cabin class 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 December 2025, prices for Knoxville to Boston flights are approximately 10% more expensive 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	$74
Fastest flight time	2h 09m
Direct flights	Mon and Fri
Airports in Boston	1 airport

The best one-way flight to Boston from Knoxville in the past 72 hours is $74. The best round-trip flight deal from Knoxville to Boston found on momondo in the last 72 hours is $177.

The fastest flight from Knoxville to Boston takes 2h 09m

Direct flights go from Knoxville to Boston on Monday and Friday. The only airline offering direct flights is Allegiant Air.

There is 1 airport in Boston. From Knoxville there are direct flights to Boston Logan Intl (BOS).

Search flight deals

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 09m.
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?
As of December 2025, there are 4 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Knoxville to Boston is Airbus A320-100/200 (91.96% of total bookings). The next most popular plane models are Embraer 190 (1.79%), Airbus A220-300 (1.79%), and Airbus A220-100 (0.89%).
What is the most popular airline from Knoxville to Boston?
Based on momondo bookings for flights between Knoxville and Boston, the leading airline is Allegiant Air, making up 67% of the total bookings. Other popular airlines include American Airlines with 24%, Delta with 6%, and United Airlines with 2%.

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 Air	PriceFrom $89	Free Cancellation	Rating 7.2 701 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $198	Free Cancellation	Rating 7.4 9,124 reviews	Search United Airlines flights
Delta	PriceFrom $219	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 11,074 reviews	Search American Airlines flights

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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.

An easier way to manage your Boston trip

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Cheap flights from Knoxville to Boston from $85

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Boston departing on 2/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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See travel insights to Boston from

How to get the cheapest flight ticket from Knoxville to Boston

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

What is the cheapest month to fly to Boston?

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 $131. 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 $204.

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?

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

There is only 1 cabin class 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 December 2025, prices for Knoxville to Boston flights are approximately 10% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Boston Logan Intl?

Allegiant Air is the most popular carrier operating from Knoxville McGhee Tyson to Boston Logan Intl

What airlines fly to Boston?

How often are flights from Knoxville to Boston delayed?

Historically, on average around 8% of flights between Knoxville and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

What is the most punctual flight time for Knoxville to Boston flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Knoxville to Boston flights?

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

When to book flights from Knoxville to Boston

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

Fastest flight time

Direct flights

Airports in Boston

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

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

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?

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

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

Traveling to a place near Boston?

Why use momondo?

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

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

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

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

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Massachusetts