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

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Frequently asked questions

Is it cheaper to buy a plane ticket from PSM to Dulles Intl. Airport last minute?
Being a spontaneous soul is an amazing way to travel, but it's not always the wisest way to get your hands on a bargain flight. It's better to book your Portsmouth Intl. Airport (PSM) to Washington Dulles Intl. Airport (IAD) trip well ahead of time rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. You can unleash your spontaneous side when you get to your destination!
What airports do you fly into for Washington from Portsmouth?
From Portsmouth, you can journey to Washington through Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI). It's wise to check which airport is the right option for you before making your decision. If you decide on Washington Dulles Intl. Airport (IAD), it's roughly 40 kilometers west of the downtown area. Use the money you save when booking your seat with Expedia to uncover the city's popular attractions, such as White House and United States Capitol.
Can I change the date of my flight from Portsmouth Intl. Airport at Pease to IAD?
Expedia makes it easy to make changes to your PSM to Washington Dulles Intl. Airport (IAD) journey yourself. Access your itinerary via the Expedia Trips portal and tap "change flight." Look around for new flights and choose the one that works best with your plans. You'll get an estimate of applicable flight change fees. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Washington Dulles Intl.
Distance
716 km

Book with confidence

Portsmouth to Washington Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Portsmouth to Washington offer the perfect respite. Not only does exploring Washington provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Portsmouth to Washington may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Washington are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Washington more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Washington is now!

Portsmouth to Washington Flights

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