Flight prices from Philadelphia to Washington Dulles

There’s no fixed price — fares between Philadelphia and Washington can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

What are the airport options between Philadelphia and Washington?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Philadelphia: Trenton Mercer is another option besides Philadelphia - International.
• Airports in Washington: 3 airports serve Washington - Dulles international, Ronald Reagan, Washington International.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Customize your flight from Philadelphia to Washington Dulles

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United States? You might also consider: Atlanta, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.