Flights to Portsmouth, MA, United States

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Weather in Portsmouth

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January0°C-6°C
February1°C-5°C
March5°C-1°C
April11°C3°C
May17°C9°C
June21°C13°C
July25°C17°C
August25°C17°C
September21°C13°C
October15°C8°C
November9°C2°C
December3°C-2°C
Hottest Month
25°C
July
Coldest month
-6°C
January
Sunny days
255
days per year
Snow days
19
days per year

14 day forecast

Saturday
29 Mar
82%
0°C-1°C
5 Apr
84%
4°C1°C
Sunday
30 Mar
80%
2°C0°C
6 Apr
2°C-4°C
Monday
31 Mar
13°C2°C
7 Apr
11%
-1°C-6°C
Tuesday
1 Apr
88%
4°C-3°C
8 Apr
4°C-6°C
Wednesday
2 Apr
3°C-5°C
9 Apr
10°C-3°C
Thursday
3 Apr
9°C-1°C
10 Apr
18°C3°C
Friday
4 Apr
12°C4°C
11 Apr
12°C5°C

Cheapest month to fly to Portsmouth

Explore price trends for trips to Portsmouth

Annual Avg. Price311 GBP
April 2025292 GBP
May 2025211 GBP
June 2025328 GBP
July 2025331 GBP
August 2025257 GBP
September 2025334 GBP
October 2025347 GBP
November 2025386 GBP

Direct flights to Portsmouth

Find direct flights from anywhere to Portsmouth

Frequently asked questions

What are the main airports in Portsmouth, Massachusetts?
How to get from the airport to Portsmouth, Massachusetts?
When is the best time of the year to fly to Portsmouth, Massachusetts?
What to do in Portsmouth, Massachusetts?
When to book your flight to Portsmouth, Massachusetts?
How many days should I stay in Portsmouth, Massachusetts?
What are top tourist attractions in Portsmouth, Massachusetts?
Is it safe walking at night in Portsmouth, Massachusetts?
Explore the map
Explore

We hack the system,
you fly for less