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$209+ Cheap flights from Dulles Intl (IAD) to Allentown (ABE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ABE
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap flight deals from Dulles Intl to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Allentown (ABE). 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(American Airlines)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Allentown-Bethlehem flights.
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From Washington, D.C. Dulles Intl to Allentown-Bethlehem
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Find flight deals from Dulles Intl to Allentown

Cheapest flights from Dulles Intl to Allentown
Explore the most affordable flight options available from Dulles Intl to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/117:55 amIAD - ABE
1 stop5h 20mAmerican Airlines
Sat 11/155:10 pmABE - IAD
1 stop6h 49mAmerican Airlines
Deal found 10/26$209
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 11/145:35 pmIAD - ABE
1 stop5h 17mAmerican Airlines
Sat 11/156:16 amABE - IAD
1 stop6h 56mAmerican Airlines
Deal found 10/26$269
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/75:35 pmIAD - ABE
1 stop5h 17mAmerican Airlines
Mon 11/104:30 pmABE - IAD
1 stop6h 37mAmerican Airlines
Deal found 10/25$364
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 11/86:24 amIAD - ABE
1 stop7h 05mAmerican Airlines
Sun 11/95:10 pmABE - IAD
1 stop6h 49mAmerican Airlines
Deal found 10/26$379
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Fri 11/710:14 amIAD - ABE
1 stop11h 27mMultiple Airlines
Mon 11/101:35 pmABE - IAD
3 stops21h 48mMultiple Airlines
Deal found 10/25$386
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/25:29 pmIAD - ABE
1 stop5h 23mAmerican Airlines
Wed 12/34:30 pmABE - IAD
1 stop6h 38mAmerican Airlines
Deal found 10/27$427
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/37:55 amIAD - ABE
1 stop5h 23mAmerican Airlines
Fri 12/57:31 amABE - IAD
1 stop6h 03mAmerican Airlines
Deal found 10/27$457
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/145:45 pmIAD - ABE
2 stops18h 03mUnited Airlines
Sat 11/155:22 pmABE - IAD
2 stops14h 04mUnited Airlines
Deal found 10/25$503

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Allentown 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 October 27, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Allentown that are best for you.

Fly from

Dulles Intl

Fly to

Allentown

Route

Depart

Return

Price

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Tue 11/11

7:55 am-1:15 pm

1 stop5h 20m

Allentown-Bethlehem

Sat 11/15

5:10 pm-11:59 pm

1 stop6h 49m

$209

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 11/14

5:35 pm-10:52 pm

1 stop5h 17m

Allentown-Bethlehem

Sat 11/15

6:16 am-1:12 pm

1 stop6h 56m

$269

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 11/7

5:35 pm-10:52 pm

1 stop5h 17m

Allentown-Bethlehem

Mon 11/10

4:30 pm-11:07 pm

1 stop6h 37m

$364

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 11/8

6:24 am-1:29 pm

1 stop7h 05m

Allentown-Bethlehem

Sun 11/9

5:10 pm-11:59 pm

1 stop6h 49m

$379

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 11/7

10:14 am-9:41 pm

1 stop11h 27m

Allentown-Bethlehem

Mon 11/10

1:35 pm-11:23 am

3 stops21h 48m

$386

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Tue 12/2

5:29 pm-10:52 pm

1 stop5h 23m

Allentown-Bethlehem

Wed 12/3

4:30 pm-11:08 pm

1 stop6h 38m

$427

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Tue 12/16

11:25 am-3:53 pm

1 stop4h 28m

Allentown-Bethlehem

Thu 12/18

5:15 pm-12:04 am

1 stop6h 49m

$457

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Wed 12/3

7:55 am-1:18 pm

1 stop5h 23m

Allentown-Bethlehem

Fri 12/5

7:31 am-1:34 pm

1 stop6h 03m

$457

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 11/14

5:45 pm-11:48 am

2 stops18h 03m

Allentown-Bethlehem

Sat 11/15

5:22 pm-7:27 am

2 stops14h 05m

$508

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 1/2

10:05 pm-1:55 pm

2 stops15h 50m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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

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 Dulles Intl to Allentown in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Washington, D.C. Dulles Intl Airport-Allentown flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Allentown flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Allentown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Allentown 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 Washington, D.C. Dulles Intl Airport-Allentown 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 Dulles Intl to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Allentown

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Allentown (average of $99). Flying from Washington, D.C. Dulles Intl Airport to Allentown in December is currently the most expensive (average of $212). 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 Dulles Intl to Allentown. 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 into for flights to Allentown from Washington, D.C. Dulles Intl?

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

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

    For as low as $209, American Airlines can have you in Allentown from Washington, D.C. Dulles Intl Airport in 5h 20m. There are 159 mi between Washington, D.C. Dulles Intl Airport and Allentown.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Allentown 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 Washington, D.C. Dulles Intl Airport to Allentown?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Allentown (average of $99). Flying from Washington, D.C. Dulles Intl Airport to Allentown in December is currently the most expensive (average of $212). 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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