$75 Find Cheap Flights from Knoxville to New Hampshire

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to New Hampshire departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to New Hampshire

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to New Hampshire, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Knoxville to New Hampshire, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Knoxville to New Hampshire

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boston
Bostonnonstop$166
Portland
Portland1 stop$279
Boston
Bostonnonstop$166
Portland
Portland1 stop$279

Book Cheap Knoxville to New Hampshire Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to New Hampshire that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to New Hampshire

Thu, Oct 30 - Sat, Nov 1
Allegiant Air Logo
8:30 am - 10:41 amTYS-BOS
2h 11mnonstop
Allegiant Air Logo
10:33 am - 1:01 pmBOS-TYS
2h 28mnonstop
$166Allegiant Air
Find Deal
Thu, Feb 12 - Sun, Mar 1
Allegiant Air Logo
6:30 am - 8:39 amTYS-BOS
2h 09mnonstop
Allegiant Air Logo
9:28 am - 12:09 pmBOS-TYS
2h 41mnonstop
$167Allegiant Air
Find Deal
Wed, Oct 29 - Sun, Nov 2
Multiple Airlines Logo
4:26 pm - 11:59 pmTYS-BOS
7h 33m1 stop
Multiple Airlines Logo
11:31 am - 2:00 pmBOS-TYS
2h 29mnonstop
$188Multiple Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 8
Multiple Airlines Logo
4:26 pm - 11:59 pmTYS-BOS
7h 33m1 stop
Multiple Airlines Logo
10:33 am - 1:01 pmBOS-TYS
2h 28mnonstop
$195Multiple Airlines
Find Deal
Tue, Jan 6 - Sat, Jan 17
American Airlines Logo
11:19 am - 3:33 pmTYS-BOS
4h 14m1 stop
American Airlines Logo
4:15 pm - 10:10 pmBOS-TYS
5h 55m1 stop
$231American Airlines
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Tue, Dec 9 - Sat, Jan 17
American Airlines Logo
6:00 am - 1:05 pmTYS-BOS
7h 05m1 stop
American Airlines Logo
8:30 am - 1:54 pmBOS-TYS
5h 24m1 stop
$256American Airlines
Find Deal
Thu, Oct 23 - Wed, Oct 29
Delta Logo
6:12 am - 10:49 amTYS-PWM
4h 37m1 stop
Delta Logo
5:42 am - 12:05 pmPWM-TYS
6h 23m1 stop
$279Delta
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Thu, Oct 23 - Wed, Oct 29
Delta Logo
6:12 am - 10:49 amTYS-PWM
4h 37m1 stop
Delta Logo
1:46 pm - 11:07 pmPWM-TYS
9h 21m2 stops
$284Delta
Find Deal
Mon, Dec 15 - Mon, Jan 5
United Airlines Logo
2:30 pm - 11:09 pmTYS-PWM
8h 39m2 stops
United Airlines Logo
2:55 pm - 11:59 pmPWM-TYS
9h 04m2 stops
$390United Airlines
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Tue, Oct 28 - Thu, Oct 30
United Airlines Logo
8:26 am - 2:12 pmTYS-PWM
5h 46m1 stop
United Airlines Logo
5:30 am - 10:48 amPWM-TYS
5h 18m1 stop
$397United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Knoxville to New Hampshire flights

Get data-powered insights and trends into flights from Knoxville to New Hampshire to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Knoxville to New Hampshire?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Knoxville to New Hampshire, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Knoxville to New Hampshire is March, when tickets cost $148 (return) on average. On the other hand, the most expensive months are January and November, when the average cost of round-trip tickets is $583 and $408 respectively.

What’s the cheapest day of the week to fly from Knoxville to New Hampshire?

The average price of all round-trip flights from Knoxville to New Hampshire clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to New Hampshire on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Knoxville to New Hampshire. For your return ticket, we recommend flying on a Wednesday and avoiding Mondays for the best deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Knoxville to New Hampshire, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Knoxville to New Hampshire, you should book around 6 weeks before departure, which saves you about 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$55
Best time to beat the crowds but there is an average 32% increase in price.
Most popular time to fly with an average 16% increase in price.
Flight from Knoxville to Boston

FAQs - booking New Hampshire flights

  • How does KAYAK find such low prices on flights from Knoxville to New Hampshire?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Knoxville to New Hampshire.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Knoxville to New Hampshire?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Knoxville to New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Knoxville to New Hampshire?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Knoxville to New Hampshire with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Knoxville to New Hampshire?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Knoxville to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to New Hampshire?

    The cheapest time of day to fly to New Hampshire is generally in the morning, when round-trip flights cost $178 on average. Morning departures are around 64% cheaper than evening flights, on average. The most expensive time of day to fly to New Hampshire is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $524.

Top tips for finding cheap flights to New Hampshire

  • Looking for a cheap flight? 25% of our users found tickets from Knoxville to the following destinations at these prices or less: Boston $64 one-way - $205 round-trip

Reviews of the top airlines flying from Knoxville to New Hampshire

 
See real verified KAYAK customer reviews for airlines flying from Knoxville to New Hampshire. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Knoxville to New Hampshire? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8933 reviews
7.7Boarding
8.1Crew
7.1Entertainment
7.3Comfort
6.6Food
Airline reviews

It would have been better if the crew has supported my husband's reasons for needing to keep the space clear around his feet, rather than insisting that he put his knapsack in that space.

6.0 GoodAnonymous, Sep 2025ORD - SYR
Read more United Airlines reviews

It would have been better if the crew has supported my husband's reasons for needing to keep the space clear around his feet, rather than insisting that he put his knapsack in that space.

See previous note about the passenger in Denver who threw my husband's bag out of the overhead bin in order to maker room for his own. And the flight attendant back up the new passenger.

My husband and I had boarded the flight from Denver to Chicago, and one of the last passengers to get on the plane opened the overhead bin above my husband's seat and threw his bag out of the bin to make space for his own. He said, "Mine is bigger!" The flight attendant supported the new passenger. They didn't care that my husband has two artificial knees and must have the foot room in front of his seat to be able to fit his legs in -- and to be able to stand, much less walk, at the end of the flight. I have never seen this happen before, and it was a disaster.

Subject: Formal Complaint: Discriminatory and Unprofessional Conduct – Request for Immediate Action & Compensation Dear [Airline Customer Relations Team], I am writing to file a formal complaint regarding my recent travel experience with [Airline], which was by far the worst I have ever encountered. What occurred was not only unprofessional, but in several instances discriminatory, unsafe, and unacceptable. On the first leg of my trip, I arrived only four minutes past check-in. Instead of making any attempt to resolve the matter, your representative flatly denied me boarding and made me wait while she attended to passengers who arrived after me. By the time a manager intervened, it was too late to board, costing me time, money, and unnecessary frustration. The second leg of my trip (Chicago–San Francisco) raised even more serious concerns. From the outset, it was apparent that the staff—particularly two attendants—prioritized Caucasian passengers while dismissing African American and minority passengers. • When a Caucasian passenger in the exit row refused to comply with federal safety requirements, I, as a first responder, immediately offered to switch seats and assume the responsibility. My offer was blatantly ignored, and instead, a Caucasian passenger seated further up was chosen. This was discriminatory and deeply insulting, especially as I was actively de-escalating the situation that could have delayed the flight further. • During a lengthy tarmac delay of over 90 minutes, passengers were given conflicting and unreasonable instructions that created unnecessary distress and tension. • Throughout the flight, a visibly intoxicated passenger directly in front of me was disruptive, rude to others, failed to comply with seatbelt and electronic device rules, and yet faced no enforcement from the crew. In stark contrast, I was singled out for repeated compliance checks even though I was following every rule. This unequal treatment was so obvious that multiple passengers around me spoke up in my defense. This pattern of behavior demonstrated a clear lack of professionalism, disregard for passenger safety, and discriminatory treatment. I expect far better from an airline of your stature. As a paying customer subjected to this unacceptable treatment, I am formally requesting: 1. A full investigation into the conduct of the staff on both flights. 2. A written apology acknowledging the discriminatory and unprofessional behavior I endured. 3. Appropriate compensation for the distress, inconvenience, and mishandling of my travel. If this matter is not addressed promptly and thoroughly, I will have no choice but to escalate my complaint further, including filing with the U.S. Department of Transportation and sharing my experience through other channels. I trust [Airline] will take this complaint seriously and provide a timely resolution.

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

Check in was quick and easy during early hours. Flight was on time, and customer services was a plus.

Terrible. They wouldn't allow me on my flight on the 14th..

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

IAD with the archaic people movers is just a place to be avoided.

Very below average , plane from Dallas to Toyko was very poor designed plane. I had to sit for 13 hours next to fat man. Really bad seat and entertainment screen sucked

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

The Phildalphia to Allentown portion was a BUS, not a plane. All was as expected.

Very crowded flight but what can you expect these days?? Crew was accommodating.

We didn't take off until an hour after we boarded.

The flight crew was rude. We were in first class and no one even offered water until an hour after we were in the air. Horrible experience

Excellent - explanations were clear staff was nice and flight was comfortable

The flight was fine. This survey is not. There is no option for N/A so items which don’t apply to my experience still must be rated. In those instances I give a “3” rating which ultimately skews the results.

The actual trip was fine, however, the changes made to our flights and the layovers were had to endure were awful.

They only offered water for Group 6. Awful announcements from the Crew. Couldn't understand a single word. Barely came by for the trash afterwards. Man, I love water for a premium flight. Wow. Water in a cup.

Everything you need to know for your flight from Knoxville to New Hampshire

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