Cheap flights from Portsmouth, MA to Houston, TX
Flights starting at $96. Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Tips to know when travelling to Houston
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Book your trip to arrive at George Bush Intercontinental, or William P. Hobby. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, Sun Country Airlines, and JetBlue Airways. Portsmouth and Houston have 82 direct flights per week.
Check-in for a flight from Portsmouth to Houston
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 |
Frontier Airlines | FFT | F9 | 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 |
Sun Country Airlines | SCX | SY | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Houston
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 16°C | 8°C |
February | 18°C | 10°C |
March | 22°C | 13°C |
April | 25°C | 16°C |
May | 29°C | 20°C |
June | 33°C | 24°C |
July | 33°C | 25°C |
August | 34°C | 25°C |
September | 31°C | 23°C |
October | 27°C | 18°C |
November | 21°C | 13°C |
December | 18°C | 10°C |
14 day forecast
Frequently asked questions
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