Cheap Flights from Portsmouth (PSM) to Washington (IAD)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Washington Dulles International Airport (IAD)

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Flight from Portsmouth to Washington route information
Origin airport
Portsmouth Intl.
Destination airport
Washington Dulles Intl.
Distance
716 km

Your quick guide to flights from Portsmouth to Washington

Pick up great flights from Portsmouth to Washington

With Expedia, you have your pick of flights a day with airlines covering flights from Portsmouth to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Portsmouth to Washington that take around hours.

Find cheap flights from Portsmouth to Washington

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Portsmouth to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in .

Reasons to book your flight from Portsmouth to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Portsmouth to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from PSM to IAD?
The lowest price advertised for a round-trip flight between Portsmouth Intl. Airport at Pease and Washington Dulles Intl. Airport (IAD) is . But you better get a move on. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portsmouth Intl. Airport (PSM) to Washington Dulles Intl. Airport (IAD)?
We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from PSM to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Portsmouth Intl. Airport at Pease to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PSM to IAD?
The distance from PSM (PSM) to Washington Dulles Intl. Airport (IAD) (IAD) is 720 kilometres. You'll be disembarking the plane and grabbing your bags from the carousel in no time at all.
Which airlines fly direct from PSM to Washington Dulles Intl. Airport (IAD)?
Flying nonstop between Portsmouth Intl. Airport at Pease and Washington Dulles Intl. Airport (IAD) isn't possible at present. However, you'll still be able to book a flight to Chantilly with at least one stop.
Are Portsmouth Intl. Airport at Pease to IAD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Portsmouth Intl. Airport at Pease to Washington Dulles Intl. Airport (IAD) last minute could be your ticket to a great deal. However, it could end up costing a great deal more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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