Cheap Flights from Washington (IAD) to Philadelphia (PHL)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Philadelphia Intl. Airport (PHL)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save on select hotels after you book a flight*
    trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure
Flights from Washington (IAD) to Philadelphia (PHL)
Origin airport
Washington Dulles Intl.
Destination airport
Philadelphia Intl.
Distance
214 km
Average flight time
1 hour 14 mins

Washington to Philadelphia Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to Philadelphia offer the perfect respite. Not only does exploring Philadelphia 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 Washington to Philadelphia 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 IAD to PHL 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 Philadelphia are only a plane trip away. Book your travel arrangements with us today!

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

Frequently asked questions

Is it cheaper to buy a plane ticket from IAD to Philadelphia Airport last minute?
When it's time to book your flights, being organized pays off. While it's possible to find a deal on a Dulles Intl. Airport to Philadelphia Intl. Airport (PHL) flight at the last minute, fares usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international journeys it's three to four months.
What airports do you fly into for Philadelphia from Washington?
Philadelphia Intl. Airport (PHL), Atlantic City Intl. Airport (ACY) and Lehigh Valley Intl. Airport (ABE) are your choices when jetting from Washington to Philadelphia. Around 11 kilometers southwest of the heart of Philadelphia, Philadelphia Intl. Airport (PHL) is the city's main entry point. Consider things like flight arrival and departure times and the distance to your hotel before you select an airport. Liberty Bell Center and Independence Hall are two amazing attractions to check out when you arrive at your destination.
Can I change the date of my flight from IAD to Philadelphia Intl. Airport (PHL)?
Sometimes life gets in the way of plans, so Expedia is here to help make things easy. First, find your IAD to Philadelphia Intl. Airport (PHL) itinerary through the Expedia Trips portal and read the ticket rules and conditions about what changes can be made. If you booked your ticket in the last 24 hours, some carriers will let you cancel at no cost and book new flights. If you bought your ticket more than 24 hours ago, connect with us through our Customer Service portal so we can help you further.