In terms of precipitation, rainfall in Portsmouth, New Hampshire ranges from 2.2 - 5.1 inches per month. November is typically the wettest month, when rainfall can reach 5.1 in. August is typically the driest time to visit Portsmouth, New Hampshire when rainfall is around 2.2 in.

If weather is an important factor for your trip to Portsmouth, New Hampshire, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from TN to PSM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Tennessee to Portsmouth, New Hampshire as you normally would.

What airport do you fly into for flights to Portsmouth from Tennessee?

Portsmouth Pease Intl (PSM) is the airport you will fly into if you book a flight from Tennessee to Portsmouth. It is only a 3.2 mi journey from Pease Intl (PSM) to Portsmouth’s city center.

Can I find deals for flights from Tennessee to Portsmouth that include hotel bookings?

Yes. In addition to deals on Tennessee to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Tennessee to Portsmouth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Portsmouth.

Can I find deals for business class flights from Tennessee to Portsmouth?

Yes. Cheapflights offers flight deals from Tennessee to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Average price	$273

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What airport do you fly into for flights to Portsmouth from Tennessee?
Portsmouth Pease Intl (PSM) is the airport you will fly into if you book a flight from Tennessee to Portsmouth. It is only a 3.2 mi journey from Pease Intl (PSM) to Portsmouth’s city center.
Can I find deals for flights from Tennessee to Portsmouth that include hotel bookings?
Yes. In addition to deals on Tennessee to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Tennessee to Portsmouth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Portsmouth.
Can I find deals for business class flights from Tennessee to Portsmouth?
Yes. Cheapflights offers flight deals from Tennessee to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Find cheap flights from Tennessee to Portsmouth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Tennessee to Portsmouth

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Related info for your journey

What airport do you fly into for flights to Portsmouth from Tennessee?

Can I find deals for flights from Tennessee to Portsmouth that include hotel bookings?

How can I find direct flights from Tennessee to Portsmouth?

Can I find deals for business class flights from Tennessee to Portsmouth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Tennessee to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portsmouth by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Tennessee to Portsmouth by cabin class

Find flights from Tennessee to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Tennessee and Portsmouth flights

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Cheap flights from Tennessee to Portsmouth, NH (PSM)

Find cheap flights from Tennessee to Portsmouth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Tennessee to Portsmouth

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Related info for your journey

What airport do you fly into for flights to Portsmouth from Tennessee?

Can I find deals for flights from Tennessee to Portsmouth that include hotel bookings?

How can I find direct flights from Tennessee to Portsmouth?

Can I find deals for business class flights from Tennessee to Portsmouth?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Tennessee to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portsmouth by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Tennessee to Portsmouth by cabin class

Find flights from Tennessee to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Tennessee and Portsmouth flights

Browse other Tennessee and Portsmouth flight options. Last updated on July 19, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Portsmouth

Explore flights to Portsmouth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 19, 2026.

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