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C$344 Cheap Flights from Nashville (BNA) to Portsmouth (PSM)

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Flight deals from Nashville to Portsmouth

Looking for a cheap last-minute deal or the best return flight from Nashville Airport to Portsmouth Airport? If you want to travel next month, return fares start from C$647. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Nashville to Portsmouth

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Nashville to Portsmouth flights are currently cheapest in June.
Jun.
from C$343
Jul.
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Nashville to Portsmouth: Alternative routes

Compare routes from Nashville to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Portsmouth.

Boston Logan International

5km from central Boston
ClosestCheapest
from C$128
Search flights

Worcester

68km from central Boston
from C$232
Search flights

Manchester

72km from central Boston
from C$241
Search flights

Provincetown

76km from central Boston
from C$562
Search flights

Fall River

76km from central Boston
Search flights

Providence

76km from central Boston
from C$136
Search flights

Portsmouth

82km from central Boston
from C$343
Search flights

Nashville to Boston: Flight information

The things to know before you go.
Cheapest flight foundC$343
Cheapest month to flyJune

Finding cheap flights from Nashville to Portsmouth: Frequently asked questions

The best price we found for a return flight from Nashville to Portsmouth is C$647. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Nashville to Portsmouth. But we found flights with one or more stops from C$647.
As of June 2026, there are no flights flying from Nashville to Portsmouth.
The cheapest month to fly from Nashville to Portsmouth is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Nashville Airport to Portsmouth Airport on Saturday, July 4, 2026.
No airlines currently offer direct flights between Nashville Airport and Portsmouth Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portsmouth but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Portsmouth.

Complete your Portsmouth trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. After booking your cheap ticket to Pease Air Force Base Airport, check out our great car rental deals that'll give you the flexibility to travel around at your own pace. Then, have a look at our exclusive rates for hotels to find the ideal Portsmouth stay.

Plan the rest of your trip from Nashville to Boston

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.