Search & Compare - Philadelphia to Washington Flights & Tickets

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    Cheap flights from Philadelphia to Washington (PHL to IAD)

    Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia to Washington? Find the biggest savings on one-way and round-trip tickets right here.

    Recent airfare deals on Philadelphia to Washington

    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 254

    Round Trip UA Nonstop Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 254

    Round Trip UA Nonstop Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 264

    Round Trip UA Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 264

    Round Trip UA Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 294

    Round Trip UA Nonstop Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 294

    Round Trip UA Nonstop Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 304

    Round Trip UA Nonstop Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 304

    Round Trip UA Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 304

    Round Trip UA Nonstop Economy fare found on 2025-03-14
    United Airlines  UA
    United Airlines
    Philadelphia
    2025-03-21
    Washington
    2025-03-28
    USD 304

    Round Trip UA Economy fare found on 2025-03-14


    *Prices are per person and are for e-tickets and include all taxes & fees in USD.
    *Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
    *Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

    Facts to know while booking flights from Philadelphia to Washington

    What are the airports in Philadelphia?
    What’s the most popular airline flying from PHL to IAD?
    Can I fly from PHL to IAD non-stop?
    Which airlines fly nonstop between Philadelphia and Washington?
    What’s the earliest departure time from PHL to IAD Airport?
    What are the airports in Washington?
    Can I make changes to my Philadelphia to Washington flight tickets or cancel them on FareLeaders.com?
    Can I cancel my flight tickets from PHL to IAD?
    Which airline alliances offer flights from Philadelphia and Washington?
    How long does a flight from Philadelphia to Washington take?
    Which airlines provide the cheapest flights from Philadelphia (PHL) to Washington (IAD) ?
    Do I need a passport to fly between PHL and IAD?
    What’s the latest departure time from PHL to IAD ?

    Flights from Philadelphia to Washington

    Origin AirportPhiladelphia International , Philadelphia, US
    Destination AirportWashington Dulles International , Washington, US
    Served by AirlinesAmerican Airlines, Southwest Airlines, United Airlines, Delta Airlines
    Lowest PriceUnited Airlines : USD 254
    Distance135 miles

    Airlines Flying from Philadelphia International

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