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$111+ Cheap flights from Washington, D.C. (WAS) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ABE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 September 11, 2025.

Round-trip from

$231
(Kiwi.com)

One-way from

$111
(Trip.com)
From Washington, D.C. (WAS) to Allentown-Bethlehem
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One-way flight from Washington, D.C. (WAS) to Allentown-Bethlehem
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Find flight deals from Washington, D.C. to Allentown

Cheapest flights from Washington, D.C. to Allentown
Explore the most affordable flight options available from Washington, D.C. to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/118:01 pmBWI - ABE
1 stop13h 25mMultiple Airlines
Sun 10/193:01 pmABE - BWI
1 stop20h 53mMultiple Airlines
Deal found 9/11$231
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/67:14 pmIAD - ABE
1 stop14h 12mMultiple Airlines
Thu 10/96:30 amABE - IAD
1 stop12h 37mMultiple Airlines
Deal found 9/11$235
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 10/67:14 pmIAD - ABE
1 stop14h 12mMultiple Airlines
Wed 10/89:14 pmABE - IAD
1 stop21h 53mMultiple Airlines
Deal found 9/11$248
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/253:15 pmDCA - ABE
1 stop7h 34mAmerican Airlines
Mon 9/297:00 pmABE - DCA
1 stop4h 04mAmerican Airlines
Deal found 9/10$289
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 9/193:28 pmDCA - ABE
1 stop6h 22mAmerican Airlines
Sun 9/216:05 amABE - DCA
1 stop4h 54mAmerican Airlines
Deal found 9/8$299
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/251:17 pmBWI - ABE
1 stop9h 30mMultiple Airlines
Mon 9/2912:54 pmABE - BWI
2 stops34h 31mMultiple Airlines
Deal found 9/10$302
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/145:35 pmIAD - ABE
1 stop5h 17mAmerican Airlines
Sat 11/152:00 pmABE - IAD
1 stop5h 21mAmerican Airlines
Deal found 9/9$339
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/121:47 pmDCA - ABE
1 stop4h 43mAmerican Airlines
Mon 9/157:00 pmABE - DCA
1 stop4h 04mAmerican Airlines
Deal found 9/11$399
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:09 pmDCA - ABE
2 stops14h 07mDelta
Sat 11/156:00 pmABE - DCA
2 stops13h 19mDelta
Deal found 9/8$418
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/147:59 amDCA - ABE
1 stop5h 16mAmerican Airlines
Sat 11/155:10 pmABE - DCA
1 stop6h 49mAmerican Airlines
Deal found 9/9$422
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/2612:48 pmIAD - ABE
1 stop5h 42mAmerican Airlines
Tue 9/306:00 amABE - IAD
1 stop4h 07mAmerican Airlines
Deal found 9/11$444
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/119:19 amIAD - ABE
1 stop4h 07mAmerican Airlines
Sun 10/195:53 pmABE - IAD
1 stop6h 00mAmerican Airlines
Deal found 9/11$461

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 September 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Allentown that are best for you.

Fly from

Washington, D.C.

Fly to

Allentown

Route

Depart

Return

Price

BaltimoreAllentown

BWI - ABE

BWIABE

Baltimore/Washington

Sat 10/11

8:01 pm-9:26 am

1 stop13h 25m

Allentown-Bethlehem

Sun 10/19

3:01 pm-11:54 am

1 stop20h 53m

$231

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 10/6

7:14 pm-9:26 am

1 stop14h 12m

Allentown-Bethlehem

Thu 10/9

6:30 am-7:07 pm

1 stop12h 37m

$235

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 10/6

7:14 pm-9:26 am

1 stop14h 12m

Allentown-Bethlehem

Wed 10/8

9:14 pm-7:07 pm

1 stop21h 53m

$248

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Thu 9/25

3:15 pm-10:49 pm

1 stop7h 34m

Allentown-Bethlehem

Mon 9/29

7:00 pm-11:04 pm

1 stop4h 04m

$289

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

2:00 pm-7:21 pm

1 stop5h 21m

$339

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 11/14

10:09 pm-12:16 pm

2 stops14h 07m

Allentown-Bethlehem

Sat 11/15

6:00 pm-7:19 am

2 stops13h 19m

$418

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 11/14

10:15 am-3:51 pm

1 stop5h 36m

Allentown-Bethlehem

Sat 11/15

2:00 pm-8:00 pm

1 stop6h 00m

$422

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 9/26

12:48 pm-6:30 pm

1 stop5h 42m

Allentown-Bethlehem

Tue 9/30

6:00 am-10:07 am

1 stop4h 07m

$444

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 9/26

10:10 pm-10:38 am

2 stops12h 28m

Allentown-Bethlehem

Tue 9/30

1:00 pm-12:21 am

1 stop11h 21m

$496

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 10/6

1:09 pm-5:23 pm

1 stop4h 14m

Allentown-Bethlehem

Wed 10/8

2:43 pm-6:54 pm

1 stop4h 11m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 31 results
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Best time to book a flight from Washington, D.C. to Allentown

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Allentown (average of $289). Flying from Washington, D.C. to Allentown in December is currently the most expensive (average of $382). 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 Washington, D.C. 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.?

    For a flight from Washington, D.C. to Allentown, you will be flying into Allentown-Bethlehem. Allentown-Bethlehem (ABE) is just 3.9 mi from the center of the city. Allentown-Bethlehem is the only Allentown airport and it handles 0 inbound flights from Washington, D.C. per day. 0 airlines have flights to Allentown-Bethlehem from Washington, D.C. on a regular basis.

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

    There are many flights that can get you from Washington, D.C. to Allentown in 7h 34m. Fly via American Airlines or Delta to get the fastest option. Airlines will cover a distance of 151 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. to Allentown?

    While some choose either Washington, D.C. Reagan-National - Allentown-Bethlehem or Washington, D.C. Dulles Intl - Allentown-Bethlehem, Baltimore/Washington - Allentown-Bethlehem is the most popular route from Washington, D.C. to Allentown.

  • Can I find deals for flights from Washington, D.C. to Allentown that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Allentown?

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

  • Can I find deals for business class flights from Washington, D.C. to Allentown?

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Allentown (average of $289). Flying from Washington, D.C. to Allentown in December is currently the most expensive (average of $382). 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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