Cheap flights from San Francisco to Portsmouth (SFO - PSM)
How far in advance should I book a flight from San Francisco to Portsmouth, New Hampshire?
Travelers have found it’s best to book a flight 32 days in advance to save up to 56% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 32 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Portsmouth, New Hampshire 1-2 weeks in advance for as low as $394, or $630 for flights within the next 24 hours.
What is the cheapest month to fly from San Francisco to Portsmouth, New Hampshire?
January can be a great time to fly to Portsmouth, New Hampshire from San Francisco with a flight ticket averaging about $399. Cheapflights users have found deals in the month of January for as cheap as $99. The most expensive prices can be found in the month of June.
When is the cheapest time to fly from San Francisco to Portsmouth, New Hampshire (SFO - PSM)?
When flying from San Francisco 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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Alternative routes for San Francisco to PortsmouthSee prices for flight routes from nearby airports that may be better suited for you.
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Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Portsmouth flexibly with Cheapflights today.
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