Users have found that booking a flight from San Diego to Portsmouth, New Hampshire at least 19 days early can save you up to 85% on average compared to booking a flight this week. If booking 19 days before your flight isn’t an option for you, users have found flights from San Diego to Portsmouth, New Hampshire for as little as $390 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $631 for flights departing within the next 3 days.
Our data shows that January tends to be the cheapest month to fly to Portsmouth, New Hampshire from San Diego. Users have commonly found prices around $364 for the month, but tickets can be as low as $109. Due to multiple factors, prepare for potentially higher prices in July.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Portsmouth, New Hampshire as you normally would.
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