Dulles Intl

$244+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — IAD
juil. 8 — juil. 151
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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 juillet 3, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$244
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$1,538
From Allentown-Bethlehem to Washington, D.C. Dulles Intl
One-way flight from Allentown-Bethlehem to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 52% potential increase in price ($512 potential increase over avg. RT price).
Cheapest flight prices on average. 34% potential price decrease ($120 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 juillet 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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. 8/141:56 pmABE - IAD
1 stop5h 53mAmerican Airlines
dim. 8/176:34 amIAD - ABE
1 stop6h 52mAmerican Airlines
Deal found 7/2$259
This Mytrip deal was found by Cheapflights users on 7/2. 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.
jeu. 8/148:15 pmABE - IAD
2 stops18h 08mAllegiant Air
dim. 8/1711:04 amIAD - ABE
1 stop9h 56mAllegiant Air
Deal found 7/2$325
This Mytrip deal was found by Cheapflights users on 7/3. 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.
sam. 8/166:00 amABE - IAD
3 stops28h 14mMultiple Airlines
sam. 8/238:12 pmIAD - ABE
2 stops25h 54mMultiple Airlines
Deal found 7/3$403
This United Airlines deal was found by Cheapflights users on 7/2. 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. 7/126:30 amABE - IAD
2 stops14h 53mUnited Airlines
dim. 7/138:30 amIAD - ABE
2 stops13h 25mUnited Airlines
Deal found 7/2$768

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 juillet 3, 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

jeu. 8/14

1:56 pm-7:49 pm

1 stop5h 53m

Washington, D.C. Dulles Intl

dim. 8/17

6:34 am-1:26 pm

1 stop6h 52m

$259

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

jeu. 8/14

8:15 pm-2:23 pm

2 stops18h 08m

Washington, D.C. Dulles Intl

dim. 8/17

11:04 am-9:00 pm

1 stop9h 56m

$325

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sam. 8/16

6:00 am-10:14 am

3 stops28h 14m

Washington, D.C. Dulles Intl

sam. 8/23

8:12 pm-10:06 pm

2 stops25h 54m

$403

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

sam. 8/16

6:30 am-12:30 am

1 stop18h 00m

Washington, D.C. Dulles Intl

sam. 8/23

8:20 am-9:54 pm

2 stops13h 34m

$1,088

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

ven. 8/1

6:15 am-12:49 pm

1 stop6h 34m

$244

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

mar. 7/8

11:27 am-11:20 am

3 stops23h 53m

$305

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

mar. 8/26

6:37 am-4:18 pm

2 stops9h 41m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, August is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Allentown to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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 juillet 3, 2025.
See what other customers who have flown with United Airlines, Allegiant Air, and American Airlines from Allentown to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

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

    Our cheapest airline available from Allentown to Washington, D.C. Dulles Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as $259 on this airline. Additional options worth looking into are Allegiant Air and United Airlines, starting at $325 and $1,088 round-trip.

  • 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, August is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Allentown to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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

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