Portsmouth

Cheap flights from Dallas to Portsmouth, NH (PSM)

DFW — PSM
abr. 7 — abr. 141
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Cheap flight deals from Dallas to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to Portsmouth (PSM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 2, 2025.

Popular in

June

Cheapest in

September

Average price

$271
Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Best time to book a flight from Dallas to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Dallas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dallas to Portsmouth

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth, New Hampshire ranges from 2.2 - 5.1 inches per month. November is typically the wettest month, when rainfall can reach 5.1 in. August is typically the driest time to visit Portsmouth, New Hampshire when rainfall is around 2.2 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, New Hampshire, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Related info for your journey

Find useful and relevant information for your journey from Dallas to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Portsmouth from Dallas?

    Most people fly into Portsmouth Pease Intl (PSM) if they book a flight to Portsmouth from Dallas. On average, Pease Intl has 0 inbound flights from Dallas per day from 0 airlines. Portsmouth Pease Intl is conveniently located just 3.2 mi from Portsmouth’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas 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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