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Cheap flights from Philadelphia (PHL) to Dulles Intl (IAD) from $134

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — IAD
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
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Cheap flight deals from Philadelphia to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 28, 2024.

Popular in

June

Cheapest in

December

Round-trip from

$235

One-way from

$229
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 80% potential price drop
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From Philadelphia to Washington, D.C. Dulles Intl
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One-way flight from Philadelphia to Washington, D.C. Dulles Intl
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What is the cheapest day to fly round-trip from Philadelphia to Washington, D.C. Dulles Intl Airport?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 52% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Philadelphia to Washington, D.C. Dulles Intl Airport?

Flights from Philadelphia to Washington, D.C. Dulles Intl Airport lean towards being more expensive in February. Prices are generally better when you fly from Philadelphia to Washington, D.C. Dulles Intl Airport in October, with the cheapest ticket starting at $105.

When is the cheapest time to fly from Philadelphia to Washington, D.C. Dulles Intl Airport (PHL - IAD)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Washington, D.C. Dulles Intl Airport as you normally would.

Cheap American Airlines flights from Philadelphia to Dulles Intl

Explore cheap flight options specifically provided by American Airlines for the route between Philadelphia and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Check out some of the cheapest American Airlines flights we've come across from Philadelphia to Washington, D.C.. Make sure to check back often as deals are often changing.
mar. 6/253:33 pmPHL - IAD
1 stop4h 12mAmerican Airlines
mar. 7/25:00 amIAD - PHL
1 stop4h 33mAmerican Airlines
Deal found 5/27$285
mar. 6/253:33 pmPHL - IAD
1 stop4h 12mAmerican Airlines
mar. 7/29:28 amIAD - PHL
1 stop6h 57mAmerican Airlines
Deal found 5/28$286
jue. 8/811:45 amPHL - IAD
1 stop5h 21mAmerican Airlines
mié. 8/148:13 pmIAD - PHL
1 stop4h 27mAmerican Airlines
Deal found 5/27$335
vie. 8/26:40 pmPHL - IAD
1 stop5h 21mAmerican Airlines
dom. 8/49:24 amIAD - PHL
1 stop4h 08mAmerican Airlines
Deal found 5/28$385
mar. 7/168:39 amPHL - IAD
1 stop4h 13mAmerican Airlines
mié. 7/179:24 amIAD - PHL
1 stop4h 08mAmerican Airlines
Deal found 5/27$405
vie. 6/73:33 pmPHL - IAD
1 stop4h 12mAmerican Airlines
dom. 6/95:00 amIAD - PHL
1 stop4h 33mAmerican Airlines
Deal found 5/28$415
dom. 8/258:33 amPHL - IAD
1 stop4h 04mAmerican Airlines
dom. 9/295:07 amIAD - PHL
1 stop4h 25mAmerican Airlines
Deal found 5/28$453
jue. 6/2711:48 amPHL - IAD
1 stop5h 25mAmerican Airlines
dom. 6/305:00 amIAD - PHL
1 stop4h 33mAmerican Airlines
Deal found 5/28$481
lun. 8/2611:45 amPHL - IAD
1 stop5h 21mAmerican Airlines
mar. 10/111:04 amIAD - PHL
2 stops8h 52mAmerican Airlines
Deal found 5/28$518

Cheap Delta flights from Philadelphia to Dulles Intl

Explore cheap flight options specifically provided by Delta for the route between Philadelphia and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Have a look at some of the cheapest available Delta flights departing from Philadelphia and landing in Washington, D.C.. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
mar. 8/276:00 amPHL - IAD
1 stop17h 03mDelta
mié. 10/21:15 pmIAD - PHL
1 stop10h 14mDelta
Deal found 5/28$297
sáb. 8/246:00 amPHL - IAD
1 stop17h 03mDelta
mar. 10/110:05 amIAD - PHL
1 stop13h 24mDelta
Deal found 5/28$307
sáb. 8/2412:57 pmPHL - IAD
1 stop10h 06mDelta
lun. 9/306:10 amIAD - PHL
1 stop17h 19mDelta
Deal found 5/28$317
jue. 8/228:19 pmPHL - IAD
1 stop15h 05mDelta
mié. 10/21:15 pmIAD - PHL
1 stop10h 14mDelta
Deal found 5/28$331
vie. 8/237:41 pmPHL - IAD
1 stop14h 26mDelta
mar. 10/16:10 amIAD - PHL
1 stop10h 03mDelta
Deal found 5/28$332
lun. 8/266:00 amPHL - IAD
1 stop17h 03mDelta
sáb. 9/286:10 amIAD - PHL
1 stop11h 13mDelta
Deal found 5/28$341
jue. 6/277:00 amPHL - IAD
1 stop16h 59mDelta
dom. 6/306:00 amIAD - PHL
1 stop9h 36mDelta
Deal found 5/28$482

Cheap Philadelphia to Dulles Intl flights in May & June 2024

Find cheap flight options from Philadelphia to Dulles Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on mayo 28, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. Check back regularly for other flight deals.
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3012:45 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$159
mar. 6/253:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
mar. 7/210:15 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$169
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3010:05 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/27$219
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3010:05 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$220
mar. 6/253:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
mar. 7/210:15 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$229
mar. 6/183:59 pmPHL - IAD
1 stop4h 46mUnited Airlines
mar. 6/258:35 amIAD - PHL
1 stop6h 20mUnited Airlines
Deal found 5/28$238
mar. 6/2511:33 amPHL - IAD
1 stop22h 53mSun Country Air
mar. 7/211:50 amIAD - PHL
1 stop22h 33mSun Country Air
Deal found 5/28$247
mié. 6/1211:33 amPHL - IAD
1 stop24h 13mSun Country Air
mar. 6/1811:50 amIAD - PHL
1 stop22h 33mSun Country Air
Deal found 5/27$252
mié. 6/263:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
mié. 7/1010:15 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/27$259

Philadelphia to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. Check back regularly for other flight deals.
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3012:45 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$159
mar. 6/253:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
mar. 7/210:15 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$169
jue. 8/2210:30 amPHL - IAD
Nonstop1h 08mUnited Airlines
mar. 10/112:40 pmIAD - PHL
Nonstop1h 05mUnited Airlines
Deal found 5/28$219
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3010:05 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$220
mar. 6/253:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
mar. 7/210:15 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$229
mar. 6/183:59 pmPHL - IAD
1 stop4h 46mUnited Airlines
mar. 6/258:35 amIAD - PHL
1 stop6h 20mUnited Airlines
Deal found 5/28$238
mar. 6/2511:33 amPHL - IAD
1 stop22h 53mSun Country Air
mar. 7/211:50 amIAD - PHL
1 stop22h 33mSun Country Air
Deal found 5/28$247
jue. 8/2210:30 amPHL - IAD
Nonstop1h 08mUnited Airlines
lun. 9/308:35 amIAD - PHL
Nonstop1h 09mUnited Airlines
Deal found 5/28$249
mié. 6/1211:33 amPHL - IAD
1 stop24h 13mSun Country Air
mar. 6/1811:50 amIAD - PHL
1 stop22h 33mSun Country Air
Deal found 5/27$252

Non-stop flights to Dulles Intl from Philadelphia

Discover non-stop flight options from Philadelphia to Dulles Intl. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Consider booking one of these non-stop flights heading from Philadelphia to Washington, D.C.. Search for alternative flights from Philadelphia to Washington, D.C. by utilizing the search form above.
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3012:45 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$159
jue. 8/2210:30 amPHL - IAD
Nonstop1h 08mUnited Airlines
mar. 10/112:40 pmIAD - PHL
Nonstop1h 05mUnited Airlines
Deal found 5/28$219
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
dom. 6/3010:05 pmIAD - PHL
Nonstop1h 07mUnited Airlines
Deal found 5/28$220
jue. 8/2210:30 amPHL - IAD
Nonstop1h 08mUnited Airlines
lun. 9/308:35 amIAD - PHL
Nonstop1h 09mUnited Airlines
Deal found 5/28$249
jue. 8/222:35 pmPHL - IAD
Nonstop1h 08mUnited Airlines
dom. 9/2912:40 pmIAD - PHL
Nonstop1h 05mUnited Airlines
Deal found 5/28$274
jue. 8/226:20 amPHL - IAD
Nonstop1h 08mUnited Airlines
vie. 9/278:35 amIAD - PHL
Nonstop1h 09mUnited Airlines
Deal found 5/28$299
lun. 7/156:00 amPHL - IAD
Nonstop1h 09mUnited Airlines
jue. 7/186:31 pmIAD - PHL
Nonstop1h 16mUnited Airlines
Deal found 5/27$437

Philadelphia to Dulles Intl flights leaving soon

Find last-minute flight options from Philadelphia to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Have a look at some of the flights available from Philadelphia to Washington, D.C. departing last-minute. Users should examine the flight details to ensure there are no surprises.
vie. 6/73:33 pmPHL - IAD
1 stop4h 12mAmerican Airlines
dom. 6/95:00 amIAD - PHL
1 stop4h 33mAmerican Airlines
Deal found 5/28$415
vie. 6/73:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
dom. 6/910:23 pmIAD - PHL
2 stops16h 32mUnited Airlines
Deal found 5/28$471
jue. 6/63:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
vie. 6/710:23 pmIAD - PHL
2 stops16h 32mUnited Airlines
Deal found 5/26$491
mié. 6/56:00 amPHL - IAD
2 stops14h 54mUnited Airlines
jue. 6/68:35 amIAD - PHL
1 stop6h 20mUnited Airlines
Deal found 5/28$563
lun. 6/33:59 pmPHL - IAD
2 stops15h 27mUnited Airlines
mié. 6/510:23 pmIAD - PHL
2 stops16h 32mUnited Airlines
Deal found 5/28$567
mié. 6/56:00 amPHL - IAD
2 stops14h 54mUnited Airlines
jue. 6/68:40 amIAD - PHL
2 stops6h 15mUnited Airlines
Deal found 5/28$645
lun. 6/33:59 pmPHL - IAD
1 stop6h 30mUnited Airlines
mié. 6/510:23 pmIAD - PHL
2 stops16h 32mUnited Airlines
Deal found 5/28$652
mié. 6/53:33 pmPHL - IAD
1 stop4h 12mAmerican Airlines
jue. 6/69:28 amIAD - PHL
1 stop4h 21mAmerican Airlines
Deal found 5/28$675
dom. 6/210:29 amPHL - IAD
1 stop4h 28mAmerican Airlines
jue. 6/69:28 amIAD - PHL
1 stop4h 21mAmerican Airlines
Deal found 5/27$750

One-way flights to Dulles Intl from Philadelphia

Search for one-way flight options from Philadelphia to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Users traveling one-way from Philadelphia to Washington, D.C. can select one of these great deals. For those needing a return trip from Philadelphia, there is a search form available above.
mar. 6/42:15 pmPHL - IAD
3 stops21h 05mMultiple Airlines
Deal found 5/27$134
mar. 9/176:26 amPHL - IAD
3 stops33h 44mMultiple Airlines
Deal found 5/27$172
jue. 6/206:40 amPHL - IAD
3 stops24h 40mMultiple Airlines
Deal found 5/27$197
jue. 6/2711:59 amPHL - IAD
1 stop25h 05mSun Country Air
Deal found 5/27$199
lun. 7/18:36 amPHL - IAD
1 stop4h 07mAmerican Airlines
Deal found 5/28$203
sáb. 6/296:39 pmPHL - IAD
1 stop14h 19mAmerican Airlines
Deal found 5/27$208
jue. 6/272:37 pmPHL - IAD
Nonstop1h 09mUnited Airlines
Deal found 5/27$219
lun. 7/110:15 amPHL - IAD
Nonstop1h 08mUnited Airlines
Deal found 5/28$220
jue. 7/46:02 amPHL - IAD
1 stop6h 41mAmerican Airlines
Deal found 5/27$227

Find flights from Philadelphia to Dulles Intl within your budget

Customize your flight search to find flights from Philadelphia to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$169 - $297

Route

Depart

Return

Price

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mar. 6/25

1 stop6h 30m

Washington, D.C. Dulles Intl

mar. 7/2

Nonstop1h 07m

$169

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

jue. 8/22

Nonstop1h 08m

Washington, D.C. Dulles Intl

mar. 10/1

Nonstop1h 05m

$219

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

jue. 6/27

Nonstop1h 09m

Washington, D.C. Dulles Intl

dom. 6/30

Nonstop1h 07m

$220

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mar. 6/25

1 stop6h 30m

Washington, D.C. Dulles Intl

mar. 7/2

Nonstop1h 07m

$229

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mar. 6/25

1 stop22h 53m

Washington, D.C. Dulles Intl

mar. 7/2

1 stop22h 33m

$247

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mié. 6/12

1 stop24h 13m

Washington, D.C. Dulles Intl

mar. 6/18

1 stop22h 33m

$252

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mar. 6/25

2 stops26h 28m

Washington, D.C. Dulles Intl

mar. 7/2

1 stop16h 33m

$282

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mar. 6/25

1 stop4h 12m

Washington, D.C. Dulles Intl

mar. 7/2

1 stop4h 33m

$285

PhiladelphiaWashington, D.C. Dulles Intl

PHL - IAD

PHLIAD

Philadelphia

mar. 8/27

1 stop17h 03m

Washington, D.C. Dulles Intl

mié. 10/2

1 stop10h 14m

$297

Flights are sorted by cheapest first

Deals found on 5/28

When is the cheapest time to fly from Philadelphia to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Dulles Intl. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Philadelphia to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Philadelphia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated mayo 28, 2024.
Read reviews from past customers who have flown American Airlines, Delta and United Airlines from Philadelphia to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,476 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Qatar Airways
7.7
Good
4,342 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from Philadelphia to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • Can I find flights from Philadelphia to Washington, D.C. Dulles Intl Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from Philadelphia to Washington, D.C. Dulles Intl Airport for under $200. The cheapest flight booked recently is on United Airlines for just $169, but on average you can expect to pay $263.

  • Are there nonstop flights from Philadelphia to Washington, D.C. Dulles Intl Airport for under $200 on Cheapflights?

    Cheapflights has at least 7 direct flights from Philadelphia to Washington, D.C. Dulles Intl Airport under $200. A good price for a nonstop flight from Philadelphia to Washington, D.C. Dulles Intl Airport is less than $265.

  • Are there last-minute flights available from Philadelphia to Washington, D.C. Dulles Intl Airport for under $500?

    There are currently 9+ open flights from Philadelphia to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Philadelphia to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $169. Additional round-trip tickets that might be worth considering are offered by Sun Country Air and American Airlines, with the lowest prices starting at $247 and $285, respectively. United Airlines is currently priced 65% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Philadelphia to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Sun Country Air, with whom users have recently found tickets for as low as $199. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Philadelphia to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the cheapest flights from Philadelphia to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Philadelphia to Washington, D.C. Dulles Intl Airport is $142. On average you can expect to pay $1,800. The most popular route, (Philadelphia - Washington, D.C. Dulles Intl), can usually be booked for $219.

  • What does PHL to IAD mean?

    Great question - PHL to IAD just means Philadelphia Airport to Washington, D.C. Dulles Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Philadelphia to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Philadelphia to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Philadelphia to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Philadelphia to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Dulles Intl.

  • Can I find deals for business class flights from Philadelphia to Dulles Intl?

    Yes. Cheapflights offers flight deals from Philadelphia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Philadelphia to Dulles Intl that allow pets onboard?

    Many airlines flying from Philadelphia to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Philadelphia to Dulles Intl?

    Yes, you can often find last-minute deals on Philadelphia to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Philadelphia to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Philadelphia to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Philadelphia to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. Dulles Intl Airport (average of $278). Flying from Philadelphia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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