Allentown

$129+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ABE
Oct 17 — Oct 241
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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 17, 2025.

Round-trip from

$258
(Trip.com)

One-way from

$129
(Trip.com)
From Washington, D.C. (WAS) to Allentown-Bethlehem
One-way flight from Washington, D.C. (WAS) to Allentown-Bethlehem

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 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:02 pmIAD - ABE
1 stop27h 35mMultiple Airlines
Fri 10/248:00 amABE - IAD
1 stop13h 13mMultiple Airlines
Deal found 9/17$258
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/305:24 pmDCA - ABE
1 stop4h 41mAmerican Airlines
Sat 10/46:35 pmABE - DCA
1 stop4h 29mAmerican Airlines
Deal found 9/15$289
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/277:14 pmIAD - ABE
1 stop16h 56mMultiple Airlines
Wed 10/19:14 pmABE - IAD
1 stop21h 10mMultiple Airlines
Deal found 9/14$293
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/273:28 pmDCA - ABE
1 stop7h 01mAmerican Airlines
Sat 10/42:52 pmABE - DCA
1 stop7h 08mAmerican Airlines
Deal found 9/14$294
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Wed 10/18:52 pmBWI - ABE
1 stop25h 23mMultiple Airlines
Sun 10/53:01 pmABE - BWI
1 stop8h 31mMultiple Airlines
Deal found 9/16$302
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 9/238:52 pmBWI - ABE
1 stop12h 03mMultiple Airlines
Thu 9/256:30 amABE - BWI
1 stop14h 02mMultiple Airlines
Deal found 9/16$305
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/155:10 pmABE - IAD
1 stop6h 49mAmerican Airlines
Deal found 9/14$339
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/158:59 amDCA - ABE
1 stop5h 06mAmerican Airlines
Mon 9/227:00 pmABE - DCA
1 stop4h 04mAmerican Airlines
Deal found 9/14$349
This Delta deal was found by Cheapflights users on 9/14. 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 stops15h 00mDelta
Deal found 9/14$377
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/143:25 pmDCA - ABE
1 stop6h 15mAmerican Airlines
Tue 10/212:43 pmABE - DCA
1 stop4h 16mAmerican Airlines
Deal found 9/15$407
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/145:24 pmDCA - ABE
1 stop5h 28mAmerican Airlines
Sat 11/152:00 pmABE - DCA
1 stop6h 00mAmerican Airlines
Deal found 9/14$422
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/3011:18 amIAD - ABE
1 stop7h 12mAmerican Airlines
Sat 10/46:00 amABE - IAD
1 stop4h 07mAmerican Airlines
Deal found 9/15$429

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 17, 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

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sun 10/19

8:02 pm-11:37 pm

1 stop27h 35m

Allentown-Bethlehem

Fri 10/24

8:00 am-9:13 pm

1 stop13h 13m

$258

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Tue 9/30

5:24 pm-10:05 pm

1 stop4h 41m

Allentown-Bethlehem

Sat 10/4

6:35 pm-11:04 pm

1 stop4h 29m

$289

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Sat 9/27

3:28 pm-10:29 pm

1 stop7h 01m

Allentown-Bethlehem

Sat 10/4

2:52 pm-10:00 pm

1 stop7h 08m

$294

BaltimoreAllentown

BWI - ABE

BWIABE

Baltimore/Washington

Wed 10/1

8:52 pm-10:15 pm

1 stop25h 23m

Allentown-Bethlehem

Sun 10/5

3:01 pm-11:32 pm

1 stop8h 31m

$302

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 9/27

7:00 am-12:10 pm

2 stops29h 10m

Allentown-Bethlehem

Wed 10/1

9:14 pm-6:24 pm

1 stop21h 10m

$325

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

5:10 pm-11:59 pm

1 stop6h 49m

$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-9:00 am

2 stops15h 00m

$377

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Tue 10/14

3:25 pm-9:40 pm

1 stop6h 15m

Allentown-Bethlehem

Tue 10/21

2:43 pm-6:59 pm

1 stop4h 16m

$407

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 11/14

5:24 pm-10:52 pm

1 stop5h 28m

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

Tue 9/30

11:18 am-6:30 pm

1 stop7h 12m

Allentown-Bethlehem

Sat 10/4

6:00 am-10:07 am

1 stop4h 07m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 36 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 $383). 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 4h 41m. 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?

  • 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 $383). 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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