App
Help
USD
Search Bookings
Trip.com
>
Flights
>
Flights to Washington D.C.
>
Philadelphia to Washington D.C. flight
>
Philadelphia to Dulles International Airport flight
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from Philadelphia to Dulles International Airport

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • PHL06:20
        9h 50m
        2 stops
        IAD16:10
        Philadelphia - Washington D.C.|Sat, May 18|Frontier Airlines
        US$84US$165
        49% OFF
        49% OFF
        US$165US$84
      • PHL17:10
        3h 58m
        1 stop
        IAD21:08
        Philadelphia - Washington D.C.|Wed, May 29|Frontier Airlines
        US$93US$165
        44% OFF
        44% OFF
        US$165US$93
      • PHL07:35
        4h 4m
        1 stop
        IAD11:39
        Philadelphia - Washington D.C.|Wed, May 8|Frontier Airlines
        US$96US$165
        42% OFF
        42% OFF
        US$165US$96
      • PHL09:55
        10h 59m
        1 stop
        IAD20:54
        Philadelphia - Washington D.C.|Wed, May 22|Frontier Airlines
        US$98
        US$98
      • PHL07:35
        4h 4m
        1 stop
        IAD11:39
        Philadelphia - Washington D.C.|Wed, May 1|Frontier Airlines
        US$99
        US$99
      • PHL06:00
        5h 7m
        1 stop
        IAD11:07
        Philadelphia - Washington D.C.|Tue, Apr 30|Frontier Airlines
        US$108
        US$108
      • PHL06:31
        5h 12m
        1 stop
        IAD11:43
        Philadelphia - Washington D.C.|Tue, Jul 2|Frontier Airlines
        US$118
        US$118
      • PHL07:30
        13h 24m
        1 stop
        IAD20:54
        Philadelphia - Washington D.C.|Mon, May 6|Frontier Airlines
        US$121
        US$121
      • PHL06:20
        14h 48m
        1 stop
        IAD21:08
        Philadelphia - Washington D.C.|Sat, May 25|Frontier Airlines
        US$123
        US$123
      • PHL06:00
        10h 10m
        2 stops
        IAD16:10
        Philadelphia - Washington D.C.|Fri, May 17|Frontier Airlines
        US$124
        US$124
      • PHL13:00
        3h 5m
        Direct
        IAD14:00
        Philadelphia - Washington D.C.|Fri, May 3|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Philadelphia to Dulles International Airport
Frontier Airlines
From US$84
American Airlines
From US$153
United Airlines
From US$173
Delta Air Lines
From US$196
Southwest Airlines
From US$351
Alaska Airlines
From US$1,170
ANA airlines
Find more flights and airlines

There are 2 airport(s) in Philadelphia. Discover the top routes now!

  • 1.15 km from downtown PhiladelphiaCheapestClosest
    Philadelphia International Airport
    Tickets From
    US$84
  • 56.64 km from downtown Philadelphia
    Trenton Mercer Airport
    Tickets From
    US$170
Flight Schedule from Philadelphia to Dulles International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. F92168

    Frontier Airlines

    06:00

    PHL

    1.4h

    07:21

    BOS

    SMTWTFS
    Search

  2. UA592

    United Airlines

    10:40

    BOS

    1.4h

    12:02

    EWR

    SMTWT--

  3. UA1992

    United Airlines

    15:00

    EWR

    1.3h

    16:20

    IAD

    SMTWT--

  4. F92168

    Frontier Airlines

    06:00

    PHL

    1.4h

    07:21

    BOS

    SMTWTFS
    Search

  5. UA2098

    United Airlines

    09:30

    BOS

    1.7h

    11:11

    IAD

    SMTWTFS

  6. F92059

    Frontier Airlines

    06:31

    PHL

    1.5h

    07:59

    RDU

    SMTWTFS
    Search

  7. UA2163

    United Airlines

    10:31

    RDU

    1.2h

    11:43

    IAD

    SMTWTFS

  8. AA847

    American Airlines

    10:30

    PHL

    1.8h

    12:20

    CLT

    SMTWTFS
    Search

  9. AA5447

    American Airlines

    15:39

    CLT

    1.5h

    17:08

    IAD

    SMTWTFS

  10. F92013

    Frontier Airlines

    11:55

    TTN

    2.0h

    13:53

    CLT

    S-T-TF-
    Search

  11. UA6022

    United Airlines

    19:47

    CLT

    1.4h

    21:12

    IAD

    SMTWTFS

  12. F91517

    Frontier Airlines

    12:00

    PHL

    1.7h

    13:42

    RDU

    SMTWTFS
    Search

  13. UA2163

    United Airlines

    10:31

    RDU

    1.2h

    11:43

    IAD

    SMTWTFS

  14. UA3593

    United Airlines

    17:49

    PHL

    1.2h

    19:00

    EWR

    ---W---
    Search

  15. UA2204

    United Airlines

    21:59

    EWR

    1.3h

    23:18

    IAD

    ---W---

  16. F91383

    Frontier Airlines

    19:43

    PHL

    2.2h

    21:53

    CLT

    SMTWTFS
    Search

  17. UA6022

    United Airlines

    19:47

    CLT

    1.4h

    21:12

    IAD

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from Philadelphia to Dulles International Airport

Cheapest round-trip ticket price

$218

Cheapest nonstop flight price

$69

Off-season for travel

January

Peak season for travel

October

FAQs for Philadelphia to Dulles International Airport Flights

  • When are flight tickets from Philadelphia (PHL) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Philadelphia to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Philadelphia (PHL) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around $369.

  • How long does it take to fly from Philadelphia (PHL) to Washington D.C. (WAS) and what is the distance?

    It takes around 1 hour 10 minutes to fly from Philadelphia (PHL) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from Philadelphia (PHL) to Washington D.C. (WAS)?

    Airlines with flights from Philadelphia (PHL) to Washington D.C. (WAS): American Airlines, Qatar Airways, British Airways and Alaska Airlines.

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.