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Allentown

$199+ Cheap flights from Dulles Intl (IAD) to Allentown (ABE)

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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ABE
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/208:09 am
IAD
-
ABE
1 stop13h 06m
Multiple Airlines
Sun 3/229:09 pm
ABE
-
IAD
1 stop10h 15m
Multiple Airlines
Deal found 2/10$340
This American Airlines deal was found by Cheapflights users on 2/12. 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 2/245:00 am
IAD
-
ABE
1 stop7h 20m
American Airlines
Sat 3/286:04 am
ABE
-
IAD
1 stop7h 28m
American Airlines
Deal found 2/12$433
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Thu 2/2610:10 am
IAD
-
ABE
1 stop11h 23m
Multiple Airlines
Sun 3/12:27 pm
ABE
-
IAD
2 stops20h 13m
Multiple Airlines
Deal found 2/12$448
This American Airlines deal was found by Cheapflights users on 2/12. 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 2/275:00 am
IAD
-
ABE
1 stop6h 30m
American Airlines
Tue 3/37:41 am
ABE
-
IAD
1 stop6h 58m
American Airlines
Deal found 2/12$449
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 2/2610:10 am
IAD
-
ABE
1 stop10h 00m
Multiple Airlines
Mon 3/26:00 am
ABE
-
IAD
2 stops12h 15m
Multiple Airlines
Deal found 2/11$557
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/2710:33 pm
IAD
-
ABE
2 stops13h 17m
United Airlines
Tue 3/36:28 am
ABE
-
IAD
2 stops14h 29m
United Airlines
Deal found 2/12$562
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 2/255:00 am
IAD
-
ABE
1 stop7h 20m
American Airlines
Thu 2/266:04 am
ABE
-
IAD
1 stop7h 28m
American Airlines
Deal found 2/10$577
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:15 am
IAD
-
ABE
2 stops12h 38m
United Airlines
Wed 2/256:28 am
ABE
-
IAD
2 stops14h 46m
United Airlines
Deal found 2/9$582
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/265:00 am
IAD
-
ABE
1 stop6h 30m
American Airlines
Mon 3/212:00 pm
ABE
-
IAD
1 stop4h 16m
American Airlines
Deal found 2/11$588
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 3/2010:10 pm
IAD
-
ABE
2 stops11h 46m
United Airlines
Sun 3/226:20 am
ABE
-
IAD
1 stop17h 39m
United Airlines
Deal found 2/10$602

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(Kiwi.com)

One-way from

$199
(Kiwi.com)
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.
Search Deals
From Washington, D.C. Dulles Intl to Allentown-Bethlehem
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Allentown-Bethlehem
Search Deals

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 February 13, 2026.
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

Fri 3/20

8:09 am-9:15 pm

1 stop13h 06m

Allentown-Bethlehem

Sun 3/22

9:09 pm-7:24 am

1 stop10h 15m

$340

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Tue 2/24

5:00 am-12:20 pm

1 stop7h 20m

Allentown-Bethlehem

Sat 3/28

6:04 am-1:32 pm

1 stop7h 28m

$433

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 2/26

10:10 am-9:33 pm

1 stop11h 23m

Allentown-Bethlehem

Sun 3/1

2:27 pm-10:40 am

2 stops20h 13m

$448

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 2/27

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Tue 3/3

7:41 am-2:39 pm

1 stop6h 58m

$449

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 2/26

10:10 am-8:10 pm

1 stop10h 00m

Allentown-Bethlehem

Mon 3/2

6:00 am-6:15 pm

2 stops12h 15m

$557

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 2/27

10:33 pm-11:50 am

2 stops13h 17m

Allentown-Bethlehem

Tue 3/3

6:28 am-8:57 pm

2 stops14h 29m

$562

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Wed 2/25

5:00 am-12:20 pm

1 stop7h 20m

Allentown-Bethlehem

Thu 2/26

6:04 am-1:32 pm

1 stop7h 28m

$577

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 2/26

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Mon 3/2

12:00 pm-4:16 pm

1 stop4h 16m

$588

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 3/20

10:10 pm-9:56 am

2 stops11h 46m

Allentown-Bethlehem

Sun 3/22

6:20 am-11:59 pm

1 stop17h 39m

$602

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 3/13

5:00 am-12:29 am

1 stop19h 29m

Allentown-Bethlehem

Sun 3/15

6:04 am-8:48 am

1 stop26h 44m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Allentown flight deals on Cheapflights vs. FlightHub >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 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 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 $100). Flying from Washington, D.C. Dulles Intl Airport to Allentown in March is currently the most expensive (average of $183). 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 $433, American Airlines can have you in Allentown from Washington, D.C. Dulles Intl Airport in 7h 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 $100). Flying from Washington, D.C. Dulles Intl Airport to Allentown in March is currently the most expensive (average of $183). 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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