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Portsmouth

Cheap flights from Houston to Portsmouth, NH (PSM)

HOU — PSM
Sep 18 — Sep 251
Fri 9/18
Fri 9/25
1 adult, Economy
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Find flight deals from Houston to Portsmouth

Popular in

July

Cheapest in

January

Average price

$396
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Best time to book a flight from Houston to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Houston with our price prediction graph.
Estimated round-trip price

Related info for your journey

  • What airport do you fly into for flights to Portsmouth from Houston?

    If you book a flight to Portsmouth from Houston, you will be flying to Pease Intl, which is the city’s only airport. Portsmouth Pease Intl (PSM) is located 3.2 mi from the center of Portsmouth. There are 0 flights from Houston to Pease Intl per day from 0 different airlines.

  • Can I find deals for flights from Houston to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Houston to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Portsmouth.

  • Can I find deals for business class flights from Houston to Portsmouth?

    Yes. Cheapflights offers flight deals from Houston to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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