Cheap flights from Portsmouth, MA to San Antonio, TX
Flights starting at $146. Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to San Antonio
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Book your trip to arrive at San Antonio International, San Antonio, or San Antonio-Pearl. The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, JetBlue Airways, and VivaAerobus. Portsmouth and San Antonio have 37 direct flights per week.
Check-in for a flight from Portsmouth to San Antonio
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
VivaAerobus | VIV | VB | No | Opens 72 days before flight Closes 4 hours before flight |
Weather in San Antonio
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 17°C | 7°C |
February | 19°C | 9°C |
March | 23°C | 12°C |
April | 27°C | 16°C |
May | 30°C | 19°C |
June | 34°C | 23°C |
July | 35°C | 24°C |
August | 36°C | 25°C |
September | 32°C | 22°C |
October | 28°C | 17°C |
November | 21°C | 12°C |
December | 18°C | 9°C |
14 day forecast
Frequently asked questions
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Airports near Portsmouth
- Logan International
- Bradley International
- Rhode Island T. F. Green Int'l Airport
- Portland International Jetport
- Manchester–Boston Regional
- Burlington International
- Bangor International
- Hancock County-Bar Harbor
- Lebanon Municipal
- Portsmouth International Airport at Pease