Cheap flights from Dulles Intl (IAD) to Portsmouth (PSM)
How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Portsmouth, New Hampshire?
To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Portsmouth, New Hampshire, book at least 31 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $217 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $288.
What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Portsmouth, New Hampshire?
The best pricing can be found in the month of February. Prices to Portsmouth, New Hampshire from Washington, D.C. Dulles Intl Airport average $214. You can even find prices in February for less than $214, as users have found deals to Portsmouth, New Hampshire from as low as $87. The month of April appears to be one of the more expensive times to travel to Portsmouth, New Hampshire from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 15%.
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Portsmouth, New Hampshire (IAD - PSM)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Portsmouth, New Hampshire as you normally would.
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Alternative routes for Dulles Intl to PortsmouthSee prices for flight routes from nearby airports that may be better suited for you.
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