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Dulles Intl

$242+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — IAD
ene. 9 — ene. 161
vie. 1/9
vie. 1/16
1 adult, Economy
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Cheap 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 diciembre 10, 2025.

This American Airlines deal was found by Cheapflights users on 12/8. 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.
vie. 12/195:15 pmABE - IAD
1 stop6h 49mAmerican Airlines
lun. 12/224:29 pmIAD - ABE
1 stop7h 00mAmerican Airlines
Deal found 12/8$309
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
mar. 12/1611:14 amABE - IAD
2 stops27h 15mMultiple Airlines
vie. 12/199:10 amIAD - ABE
1 stop13h 39mMultiple Airlines
Deal found 12/8$351
This American Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/256:04 amABE - IAD
1 stop7h 23mAmerican Airlines
lun. 12/296:35 amIAD - ABE
1 stop4h 45mAmerican Airlines
Deal found 12/10$384
This American Airlines deal was found by Cheapflights users on 12/9. 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.
sáb. 12/205:15 pmABE - IAD
1 stop6h 49mAmerican Airlines
lun. 12/224:29 pmIAD - ABE
1 stop7h 00mAmerican Airlines
Deal found 12/9$399
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
jue. 12/2511:15 amABE - IAD
1 stop21h 06mAllegiant Air
lun. 12/293:51 pmIAD - ABE
2 stops27h 51mAllegiant Air
Deal found 12/10$454
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/256:17 amABE - IAD
2 stops15h 03mUnited Airlines
lun. 12/2910:05 pmIAD - ABE
2 stops15h 50mUnited Airlines
Deal found 12/10$558
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
vie. 12/198:03 pmABE - IAD
2 stops22h 13mMultiple Airlines
lun. 12/229:10 amIAD - ABE
1 stop13h 39mMultiple Airlines
Deal found 12/8$608
This American Airlines deal was found by Cheapflights users on 12/8. 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.
mar. 12/235:15 pmABE - IAD
1 stop6h 49mAmerican Airlines
sáb. 12/276:35 amIAD - ABE
1 stop4h 45mAmerican Airlines
Deal found 12/8$647
This Mytrip deal was found by Cheapflights users on 12/8. 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.
mar. 12/236:07 pmABE - IAD
2 stops22h 18mMultiple Airlines
sáb. 12/278:48 pmIAD - ABE
1 stop15h 48mMultiple Airlines
Deal found 12/8$706
This American Airlines deal was found by Cheapflights users on 12/8. 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.
mar. 12/164:30 pmABE - IAD
1 stop6h 38mAmerican Airlines
vie. 12/194:29 pmIAD - ABE
1 stop24h 04mAmerican Airlines
Deal found 12/8$732

Find 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 diciembre 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$284
(American Airlines)

One-way from

$242
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$254
Provider with most accurate pricing for Allentown-Bethlehem-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Washington, D.C. Dulles Intl flights.
Search Deals
From Allentown-Bethlehem to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Allentown-Bethlehem to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 10, 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

dom. 2/1

7:30 am-12:36 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

sáb. 2/7

5:46 pm-10:26 pm

1 stop4h 40m

$284

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

vie. 12/19

5:15 pm-12:04 am

1 stop6h 49m

Washington, D.C. Dulles Intl

lun. 12/22

4:29 pm-11:29 pm

1 stop7h 00m

$309

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

dom. 2/1

3:49 pm-12:36 pm

1 stop20h 47m

Washington, D.C. Dulles Intl

sáb. 2/7

11:39 am-5:59 pm

2 stops30h 20m

$312

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

mar. 12/16

11:14 am-2:29 pm

2 stops27h 15m

Washington, D.C. Dulles Intl

vie. 12/19

9:10 am-10:49 pm

1 stop13h 39m

$351

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

jue. 12/25

6:04 am-1:27 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

lun. 12/29

6:35 am-11:20 am

1 stop4h 45m

$384

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sáb. 1/3

6:04 am-1:27 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

mié. 1/7

5:46 pm-10:26 pm

1 stop4h 40m

$393

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sáb. 12/20

5:15 pm-12:04 am

1 stop6h 49m

Washington, D.C. Dulles Intl

lun. 12/22

4:29 pm-11:29 pm

1 stop7h 00m

$399

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

jue. 12/25

11:15 am-8:21 am

1 stop21h 06m

Washington, D.C. Dulles Intl

lun. 12/29

3:51 pm-7:42 pm

2 stops27h 51m

$454

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sáb. 1/3

6:04 am-1:27 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

jue. 2/12

6:15 am-11:31 am

1 stop5h 16m

$491

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

jue. 12/25

6:17 am-9:20 pm

2 stops15h 03m

Washington, D.C. Dulles Intl

lun. 12/29

10:05 pm-1:55 pm

2 stops15h 50m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 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 May is currently the most expensive (average of $164). 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 fly from Allentown to Washington, D.C. Dulles Intl Airport in about 5h 06m. The time it takes to get you to your destination can typically vary by up to . There are 159 mi between Allentown and Washington, D.C. Dulles Intl Airport.

  • 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 May is currently the most expensive (average of $164). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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Alternative routes for Allentown to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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