To save up to 74% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Houston to Portsmouth, New Hampshire from $239 1-2 weeks out and tickets from $348 for flights departing within the next 72 hours.
October is one of the best times of the year to fly to Portsmouth, New Hampshire from Houston. Prices for October average $356 per person but you can even find prices for as low as $99. The most expensive prices can be found in the month of December. Opting for a October flight can save you 25% on your journey compared to booking in December
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to Portsmouth, New Hampshire as you normally would.
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