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Dulles Intl

$116+ Cheap flights from Allentown (ABE) to Dulles Intl (IAD)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — IAD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheap flight deals from Allentown to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$116
(Kiwi.com)
Provider with most accurate pricing for Allentown-Bethlehem-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Washington, D.C. Dulles Intl flights.
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From Allentown-Bethlehem to Washington, D.C. Dulles Intl
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One-way flight from Allentown-Bethlehem to Washington, D.C. Dulles Intl
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Find flight deals from Allentown to Dulles Intl

Cheapest flights from Allentown to Dulles Intl
Explore the most affordable flight options available from Allentown to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:30 pmABE - IAD
1 stop6h 38mAmerican Airlines
Sun 12/76:25 amIAD - ABE
1 stop7h 05mAmerican Airlines
Deal found 11/3$199
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:30 amABE - IAD
1 stop11h 54mMultiple Airlines
Sun 12/75:26 pmIAD - ABE
2 stops19h 42mMultiple Airlines
Deal found 11/3$309
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:14 pmABE - IAD
1 stop6h 47mAmerican Airlines
Sun 12/149:15 amIAD - ABE
1 stop4h 15mAmerican Airlines
Deal found 11/4$357
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:30 pmABE - IAD
1 stop6h 37mAmerican Airlines
Sat 11/224:34 pmIAD - ABE
1 stop6h 17mAmerican Airlines
Deal found 11/3$384
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:31 amABE - IAD
1 stop6h 04mAmerican Airlines
Sat 11/156:24 amIAD - ABE
1 stop7h 05mAmerican Airlines
Deal found 11/3$399
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:00 amABE - IAD
3 stops28h 23mMultiple Airlines
Fri 12/129:31 amIAD - ABE
1 stop10h 46mMultiple Airlines
Deal found 11/3$408
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:30 pmABE - IAD
1 stop6h 38mAmerican Airlines
Fri 12/127:59 amIAD - ABE
1 stop5h 19mAmerican Airlines
Deal found 11/3$427
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:22 pmABE - IAD
2 stops14h 13mUnited Airlines
Sun 12/1410:35 pmIAD - ABE
2 stops13h 17mUnited Airlines
Deal found 11/4$460
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:30 pmABE - IAD
1 stop6h 37mAmerican Airlines
Sun 11/96:24 amIAD - ABE
1 stop7h 05mAmerican Airlines
Deal found 11/4$519
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:00 pmABE - IAD
1 stop10h 55mUnited Airlines
Sun 12/75:25 pmIAD - ABE
2 stops18h 27mUnited Airlines
Deal found 11/4$534

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown 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 2,558,603 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Allentown to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Allentown

Fly to

Dulles Intl

Route

Depart

Return

Price

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 12/5

4:30 pm-11:08 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Sun 12/7

6:25 am-1:30 pm

1 stop7h 05m

$199

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 12/5

8:30 am-8:24 pm

1 stop11h 54m

Washington, D.C. Dulles Intl

Sun 12/7

5:26 pm-1:08 pm

2 stops19h 42m

$309

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 11/18

4:30 pm-11:07 pm

1 stop6h 37m

Washington, D.C. Dulles Intl

Sat 11/22

4:34 pm-10:51 pm

1 stop6h 17m

$384

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sun 2/1

6:15 am-9:01 pm

2 stops14h 46m

Washington, D.C. Dulles Intl

Sat 2/7

10:19 pm-4:22 pm

2 stops18h 03m

$455

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 12/13

5:22 pm-7:35 am

2 stops14h 13m

Washington, D.C. Dulles Intl

Sun 12/14

10:35 pm-11:52 am

2 stops13h 17m

$460

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sun 3/29

5:47 pm-11:54 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Wed 5/27

1:49 pm-6:04 pm

1 stop4h 15m

$472

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 3/25

5:47 pm-11:54 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Sun 5/24

5:47 pm-12:20 am

1 stop6h 33m

$473

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 3/28

6:27 am-12:38 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Sat 5/30

5:47 pm-12:20 am

1 stop6h 33m

$484

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 3/28

6:27 am-12:38 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Wed 5/27

1:49 pm-6:04 pm

1 stop4h 15m

$484

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 3/27

5:47 pm-11:54 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Sun 5/24

5:47 pm-12:20 am

1 stop6h 33m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 13 results
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Compare providers for flights from Allentown to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Allentown-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Allentown 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.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Allentown to Washington, D.C. Dulles Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Dulles Intl Airport (average of $64). Flying from Allentown to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $112). 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.

Related info for your journey

Find useful and relevant information for your journey from Allentown 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 Allentown to Washington, D.C. Dulles Intl?

    Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Washington, D.C. Dulles Intl. 0 airlines have flights from Allentown-Bethlehem to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Allentown-Bethlehem to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

  • How long is the flight from Allentown to Washington, D.C. Dulles Intl Airport?

    Airlines like American Airlines and United Airlines fly from Allentown to Washington, D.C. Dulles Intl Airport in about 6h 38m. The time it takes to get you to your destination can typically vary by up to 8h 08m. There are 159 mi between Allentown and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Allentown 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.

  • What is the cheapest month to book a flight from Allentown to Washington, D.C. Dulles Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Dulles Intl Airport (average of $64). Flying from Allentown to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $112). 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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