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 is the cheapest day to fly from Washington, D.C. to Allentown?

Travelers seeking maximum savings on their Washington, D.C. to Allentown flight should consider departing on Friday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

If weather is an important factor for your trip to Allentown, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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

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

What is the cheapest time of day to fly from WAS to ABE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Allentown as you normally would.

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.

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.

$129+ Cheap Flights from Washington, D.C. to Allentown

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Cheap flight deals from Washington, D.C. to Allentown

Round-trip from	$258 (Trip.com)
One-way from	$129 (Trip.com)

From Washington, D.C. (WAS) to Allentown-Bethlehem

Search Deals

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 17, 2025.

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

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

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

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

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

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

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

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

Fri 11/1410:09 pmDCA - ABE

2 stops14h 07mDelta

Sat 11/156:00 pmABE - DCA

2 stops15h 00mDelta

Deal found 9/14

$377

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

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

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

Best flights from Washington, D.C. to Allentown
Discover carefully curated flight deals from Washington, D.C. to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

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

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

Fri 11/1410:09 pmDCA - ABE

2 stops14h 07mDelta

Sat 11/156:00 pmABE - DCA

2 stops15h 00mDelta

Deal found 9/14

$377

Tue 9/305:17 pmIAD - ABE

2 stops17h 21mUnited Airlines

Sat 10/45:28 pmABE - IAD

2 stops14h 01mUnited Airlines

Deal found 9/15

$528

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

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

Sat 9/277:00 amIAD - ABE

2 stops29h 10mMultiple Airlines

Wed 10/19:14 pmABE - IAD

1 stop21h 10mMultiple Airlines

Deal found 9/14

$325

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

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

Fri 2/279:21 amBWI - ABE

1 stop12h 06mMultiple Airlines

Sun 3/13:42 pmABE - BWI

1 stop16h 05mMultiple Airlines

Deal found 9/15

$435

Fri 11/1410:16 pmIAD - ABE

2 stops13h 32mUnited Airlines

Sat 11/155:22 pmABE - IAD

2 stops14h 05mUnited Airlines

Deal found 9/15

$558

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

Wed 12/247:09 amBWI - ABE

1 stop15h 07mDelta

Tue 12/3012:50 pmABE - BWI

1 stop9h 52mDelta

Deal found 9/15

$565

Wed 12/247:09 amBWI - ABE

1 stop15h 07mDelta

Mon 12/295:57 pmABE - BWI

1 stop16h 51mDelta

Deal found 9/15

$565

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

Tue 12/2310:22 amBWI - ABE

1 stop12h 24mDelta

Mon 12/295:57 pmABE - BWI

1 stop15h 20mDelta

Deal found 9/15

$565

Sun 10/58:13 amBWI - ABE

1 stop13h 19mMultiple Airlines

Fri 10/1012:57 pmABE - BWI

2 stops27h 49mMultiple Airlines

Deal found 9/14

$518

Wed 10/18:59 amDCA - ABE

1 stop5h 06mAmerican Airlines

Sun 10/56:05 amABE - DCA

1 stop4h 54mAmerican Airlines

Deal found 9/16

$444

Tue 12/2310:22 amBWI - ABE

1 stop12h 24mDelta

Tue 12/306:00 amABE - BWI

1 stop14h 10mDelta

Deal found 9/15

$565

Wed 10/111:18 amIAD - ABE

1 stop7h 12mAmerican Airlines

Sun 10/56:05 amABE - IAD

1 stop5h 29mAmerican Airlines

Deal found 9/16

$444

Thu 12/257:09 amBWI - ABE

1 stop15h 07mDelta

Wed 12/316:00 amABE - BWI

1 stop9h 38mDelta

Deal found 9/15

$579

Mon 12/226:55 pmBWI - ABE

1 stop17h 15mDelta

Mon 12/295:57 pmABE - BWI

1 stop15h 20mDelta

Deal found 9/15

$579

Sun 10/55:26 pmIAD - ABE

1 stop5h 23mAmerican Airlines

Fri 10/105:53 pmABE - IAD

1 stop6h 00mAmerican Airlines

Deal found 9/14

$507

Wed 2/1812:15 pmBWI - ABE

1 stop10h 37mDelta

Sun 2/225:40 pmABE - BWI

1 stop23h 23mDelta

Deal found 9/14

$579

Fri 9/265:24 pmDCA - ABE

1 stop4h 26mAmerican Airlines

Sun 9/286:05 amABE - DCA

1 stop4h 54mAmerican Airlines

Deal found 9/16

$539

Thu 10/26:49 amDCA - ABE

1 stop6h 11mAmerican Airlines

Mon 10/65:53 pmABE - DCA

1 stop4h 23mAmerican Airlines

Deal found 9/17

$539

Thu 10/21:53 pmIAD - ABE

1 stop5h 36mAmerican Airlines

Mon 10/65:53 pmABE - IAD

1 stop6h 00mAmerican Airlines

Deal found 9/17

$539

Last-minute flights from Washington, D.C. to Allentown
Discover last-minute flight deals from Washington, D.C. to Allentown. Data last updated September 17, 2025 and is based on user searches.

Fri 9/193:28 pmDCA - ABE

1 stop6h 22mAmerican Airlines

Sun 9/217:59 pmABE - DCA

1 stop3h 56mAmerican Airlines

Deal found 9/14

$499

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

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

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

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

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

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

Wed 10/18:59 amDCA - ABE

1 stop5h 06mAmerican Airlines

Sun 10/56:05 amABE - DCA

1 stop4h 54mAmerican Airlines

Deal found 9/16

$444

Wed 10/111:18 amIAD - ABE

1 stop7h 12mAmerican Airlines

Sun 10/56:05 amABE - IAD

1 stop5h 29mAmerican Airlines

Deal found 9/16

$444

Sun 10/55:26 pmIAD - ABE

1 stop5h 23mAmerican Airlines

Fri 10/105:53 pmABE - IAD

1 stop6h 00mAmerican Airlines

Deal found 9/14

$507

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

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

One-way flights from Washington, D.C. to Allentown
Search for one-way flight options from Washington, D.C. to Allentown. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Wed 10/158:45 amBWI - ABE

2 stops24h 41mMultiple Airlines

Deal found 9/15

$129

Thu 9/251:17 pmBWI - ABE

1 stop9h 30mMultiple Airlines

Deal found 9/15

$170

Sat 9/277:14 pmIAD - ABE

1 stop16h 56mMultiple Airlines

Deal found 9/15

$181

Mon 10/205:30 pmDCA - ABE

1 stop5h 10mAmerican Airlines

Deal found 9/16

$254

Wed 10/152:18 pmIAD - ABE

1 stop7h 22mAmerican Airlines

Deal found 9/15

$254

Mon 10/207:00 amDCA - ABE

3 stops26h 26mMultiple Airlines

Deal found 9/16

$326

Wed 10/1510:10 pmIAD - ABE

2 stops18h 43mUnited Airlines

Deal found 9/15

$337

Mon 10/203:00 pmDCA - ABE

2 stops19h 38mUnited Airlines

Deal found 9/16

$431

Thu 11/610:18 pmIAD - ABE

2 stops13h 30mUnited Airlines

Deal found 9/17

$461

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Allentown that are best for you.

Fly from

Fly to

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

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

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?
While some choose either Washington, D.C. Dulles Intl - Allentown-Bethlehem or Baltimore/Washington - Allentown-Bethlehem, Washington, D.C. Reagan-National - 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 $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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$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.

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Cheapest flights from Washington, D.C. to AllentownExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Allentown that are best for you.

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.

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?

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.?

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

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?

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

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

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

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Other flights to Allentown

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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.