Cheap Flights from Knoxville Airport to New Hampshire from $367 Return

Flight deals from Knoxville Airport to New Hampshire

Looking for cheap tickets from Knoxville Airport to New Hampshire, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Portsmouth.$133 per passenger.Departing Fri, 7 Nov.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Knoxville on Fri, 7 Nov, arriving in Portsmouth.Price includes taxes and charges.From $133, select.

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Flying from Knoxville Airport to New Hampshire

Arm yourself with these facts on the fly.

Cheapest flight found	$133
Cheapest month to fly	November

How to find cheap flights from Knoxville Airport to New Hampshire

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Knoxville Airport to New Hampshire. Other savvy travellers recently found return flights from $367 and one-way tickets from $133. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in October

The cheapest time to fly from Knoxville Airport to New Hampshire is currently October.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Knoxville Airport to anywhere you choose in New Hampshire.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Knoxville Airport to your chosen airport in New Hampshire go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the New Hampshire Airport to New Hampshire flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Knoxville Airport to New Hampshire?

There are currently no direct flights from Knoxville Airport to New Hampshire, but we've found some other routes to United States – check them out now.

What is the average price of a flight from Knoxville Airport to New Hampshire?

We looked at all of the upcoming return flights from Knoxville Airport to New Hampshire we could find over the next 12 months. It looks like $367 is the best price. This is good, compared to the average New Hampshire ticket price of $367.

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

The cheapest month to fly from Knoxville Airport to New Hampshire is currently October.

Which upcoming date is cheapest to fly from Knoxville Airport to New Hampshire on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Knoxville Airport to New Hampshire on Friday, 31 October 2025.

If I'm flying from Knoxville Airport, where in New Hampshire is cheapest to fly into?

If you're flying from Knoxville, the cheapest city in New Hampshire to fly into is Portsmouth. The cheapest airport serving Portsmouth at the moment is Portsmouth.