Cheap flights from Washington, D.C., United States to Portsmouth, United States

Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price

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How much do flights to Portsmouth cost?

Key info about flying to Portsmouth

Depart from
Baltimore–Washington International
Arrive to
Portsmouth International Airport at Pease
Average flights per week
73
Flight distance
Worth visiting
Cape Cod

Great deals from Washington, D.C. to Portsmouth

Check-in for a flight from Washington, D.C. to Portsmouth

NameCarrier codeIATA CodePassport needed during booking
Allegiant AirAAYG4No
Spirit AirlinesNKSNKNo
Frontier AirlinesFFTF9No
Southern Airways ExpressFDY9XYes
JetBlue AirwaysJBUB6No

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

Travel tips & how to get from Washington, D.C. to Portsmouth

The cheapest price of a one-way ticket from Washington, D.C. to Portsmouth is $209. Round trip fares cost between $325 at the lowest and $633 at most.
Travelers usually depart from Baltimore–Washington International, Washington Dulles International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Portsmouth. The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, Southern Airways Express, and JetBlue Airways. Washington, D.C. and Portsmouth have 73 direct flights per week.

Frequently asked questions

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