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Dulles Intl

$133+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — IAD
févr. 28 — mars 71
sam. 2/28
sam. 3/7
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 janvier 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. 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.
ven. 2/61:02 pm
ABE
-
IAD
1 stop4h 14m
American Airlines
sam. 2/77:01 am
IAD
-
ABE
1 stop5h 31m
American Airlines
Deal found 1/27$259
This American Airlines deal was found by Cheapflights users on 1/26. 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. 3/37:41 am
ABE
-
IAD
1 stop6h 58m
American Airlines
mar. 3/105:00 am
IAD
-
ABE
1 stop6h 40m
American Airlines
Deal found 1/26$279
This American Airlines deal was found by Cheapflights users on 1/27. 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.
mer. 1/287:30 am
ABE
-
IAD
1 stop5h 06m
American Airlines
mar. 2/35:46 pm
IAD
-
ABE
1 stop4h 40m
American Airlines
Deal found 1/27$309
This American Airlines deal was found by Cheapflights users on 1/26. 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.
jeu. 1/291:02 pm
ABE
-
IAD
1 stop4h 14m
American Airlines
dim. 2/17:04 am
IAD
-
ABE
1 stop5h 28m
American Airlines
Deal found 1/26$359
This United Airlines deal was found by Cheapflights users on 1/26. 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.
mar. 3/35:23 pm
ABE
-
IAD
2 stops14h 02m
United Airlines
mar. 3/1010:13 pm
IAD
-
ABE
2 stops11h 43m
United Airlines
Deal found 1/26$477
This United Airlines deal was found by Cheapflights users on 1/28. 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.
sam. 2/146:28 am
ABE
-
IAD
2 stops14h 53m
United Airlines
mer. 2/185:34 pm
IAD
-
ABE
2 stops16h 27m
United Airlines
Deal found 1/28$493
This United Airlines deal was found by Cheapflights users on 1/27. 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.
sam. 6/136:30 am
ABE
-
IAD
1 stop9h 31m
United Airlines
dim. 6/1410:05 pm
IAD
-
ABE
2 stops15h 50m
United Airlines
Deal found 1/27$572
This United Airlines deal was found by Cheapflights users on 1/27. 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.
ven. 2/64:57 pm
ABE
-
IAD
2 stops18h 48m
United Airlines
sam. 2/75:45 pm
IAD
-
ABE
2 stops16h 56m
United Airlines
Deal found 1/27$617

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 janvier 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(American Airlines)

One-way from

$133
(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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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 janvier 29, 2026.
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

mar. 3/3

7:41 am-2:39 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

mar. 3/10

5:00 am-11:40 am

1 stop6h 40m

$279

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

mar. 3/3

5:23 pm-7:25 am

2 stops14h 02m

Washington, D.C. Dulles Intl

mar. 3/10

10:13 pm-9:56 am

2 stops11h 43m

$477

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sam. 2/14

5:23 pm-7:25 am

2 stops14h 02m

Washington, D.C. Dulles Intl

mer. 2/18

12:35 pm-10:01 am

2 stops21h 26m

$493

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sam. 6/13

11:50 am-10:47 am

2 stops22h 57m

Washington, D.C. Dulles Intl

dim. 6/14

10:05 pm-1:55 pm

2 stops15h 50m

$501

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

dim. 2/8

7:00 am-2:18 pm

2 stops31h 18m

$133

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

ven. 5/29

7:10 pm-9:58 pm

1 stop26h 48m

$280

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

lun. 2/16

12:00 pm-4:16 pm

1 stop4h 16m

$289

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

lun. 2/16

1:49 pm-11:23 am

3 stops21h 34m

$342

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

lun. 2/16

5:23 pm-7:25 am

2 stops14h 02m

$349

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

jeu. 2/12

6:04 am-1:32 pm

1 stop7h 28m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $155). 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 58m. The time it takes to get you to your destination can typically vary by up to 7h 04m. 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 May is currently the most expensive (average of $155). 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Allentown to Dulles Intl

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