Cheap flights from Portsmouth, MA to San Jose, CA

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

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How much do flights to San Jose cost?

Key info about flying to San Jose

Depart from
Portsmouth International Airport at Pease
Arrive to
San Jose International
Average flights per week
59
Flight distance
Worth visiting
Big Sur - Golden Gate Bridge - Alcatraz

Great deals from Portsmouth to San Jose

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Check-in for a flight from Portsmouth to San Jose

NameCarrier codeIATA CodePassport needed during booking
Allegiant AirAAYG4No
Spirit AirlinesNKSNKNo
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
Sun Country AirlinesSCXSYYes

Weather in San Jose

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January15°C6°C
February16°C6°C
March17°C7°C
April20°C8°C
May22°C10°C
June26°C13°C
July29°C15°C
August29°C15°C
September28°C15°C
October24°C13°C
November18°C9°C
December14°C7°C
Hottest Month
29°C
July
Coldest month
6°C
January
Sunny days
331
days per year

14 day forecast

Wednesday
4 Dec
23°C8°C
11 Dec
16°C8°C
Thursday
5 Dec
20°C9°C
12 Dec
18°C7°C
Friday
6 Dec
22°C9°C
13 Dec
88%
11°C7°C
Saturday
7 Dec
16°C10°C
14 Dec
88%
11°C6°C
Sunday
8 Dec
19°C8°C
15 Dec
10°C4°C
Monday
9 Dec
16°C5°C
16 Dec
87%
8°C4°C
Tuesday
10 Dec
17°C6°C
17 Dec
88%
8°C5°C
The most popular airlines for this route are Allegiant Air, Spirit Airlines, Alaska Airlines, Frontier Airlines, and Sun Country Airlines. Portsmouth and San Jose have 59 direct flights per week. When you arrive at San Jose, consider visiting Big Sur, Golden Gate Bridge, and Alcatraz.

Frequently asked questions

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