When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 59% on flights from San Juan to Portsmouth, New Hampshire compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $259. For sooner than that we have options available in the next 3 days from $384.
September is one of the best times of the year to fly to Portsmouth, New Hampshire from San Juan. Prices for September average $279 per person but you can even find prices for as low as $84. The most expensive prices can be found in the month of June. Opting for a September flight can save you 11% on your journey compared to booking in June
When flying from San Juan to Portsmouth, New Hampshire, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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