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-1°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

Friday
6 Dec
1°C-4°C
13 Dec
2°C-3°C
Saturday
7 Dec
4°C-4°C
14 Dec
86%
4°C-1°C
Sunday
8 Dec
86%
8°C-1°C
15 Dec
4°C-2°C
Monday
9 Dec
4°C-2°C
16 Dec
80%
7°C0°C
Tuesday
10 Dec
87%
1°C0°C
17 Dec
81%
5°C-1°C
Wednesday
11 Dec
75%
9°C3°C
18 Dec
2°C-3°C
Thursday
12 Dec
52%
3°C-4°C
19 Dec
3°C-3°C

Cheapest month to fly to Portsmouth

Explore price trends for trips to Portsmouth

Annual Avg. Price348 GBP
December 2024334 GBP
January 2025297 GBP
February 2025312 GBP
March 2025313 GBP
April 2025297 GBP
May 2025285 GBP
June 2025396 GBP
July 2025452 GBP
August 2025448 GBP

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