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Cheap flights to Portsmouth, NH

BOS — PSM
4 Jun — 11 Jun1
1 adult
Tue 4/6
Tue 11/6

Flights to Portsmouth, NH in 2024

Find the latest flights to Portsmouth in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 539,242 searches and data was last updated on 30 May 2024.

Popular in

December

Cheapest in

March

Average price

$2,103

Return from

$1,525
High demand for flights, 7% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for return flights in May 2024
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From Sydney Kingsford Smith to Boston Logan Intl
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Best time to book a flight to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature and rainfall totals by month.

BOS

Temperature

-1 - 23 °C

If weather is an important factor for your trip to Portsmouth, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

When is the best time to book a flight to Portsmouth?

Use this chart to determine the optimal time to book a return flight to Portsmouth. Price data was last updated on 24 May 2024.
Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights to Portsmouth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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Search flights to Portsmouth by cabin class

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