Find a great deal and save up to 48% by booking at least 37 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Antonio to Portsmouth, New Hampshire within the next two weeks, with the cheapest ticket starting at $294.
Flights from San Antonio to Portsmouth, New Hampshire lean towards being more expensive in April. Prices are generally better when you fly from San Antonio to Portsmouth, New Hampshire in September, with the cheapest ticket starting at $153.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Antonio to Portsmouth, New Hampshire as you normally would.
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