What are the cheapest airlines to fly from Washington, D.C. to Allentown one-way?

$217 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $244 and $352, respectively.

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

What is the cheapest day to fly round-trip from Washington, D.C. to Allentown?

Friday flights are generally found to be more expensive for flights from Washington, D.C. to Allentown. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets 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.

$117+ Flights from Washington, D.C. to Allentown

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

Round-trip from	$259 (American Airlines)
One-way from	$117 (Mytrip)

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

Search Deals

One-way flight from Washington, D.C. (WAS) to Allentown-Bethlehem

Search Deals

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 July 25, 2025.

Thu 9/115:26 pmIAD - ABE

1 stop5h 23mAmerican Airlines

Sat 9/132:52 pmABE - IAD

1 stop3h 55mAmerican Airlines

Deal found 7/24

$259

Thu 8/79:39 amBWI - ABE

1 stop9h 48mMultiple Airlines

Mon 8/111:26 pmABE - BWI

3 stops24h 19mMultiple Airlines

Deal found 7/23

$332

Thu 8/711:58 amIAD - ABE

1 stop7h 29mMultiple Airlines

Mon 8/111:01 pmABE - IAD

3 stops22h 25mMultiple Airlines

Deal found 7/23

$337

Fri 11/1410:15 amDCA - ABE

1 stop5h 36mAmerican Airlines

Sat 11/156:16 amABE - DCA

1 stop4h 43mAmerican Airlines

Deal found 7/23

$403

Fri 11/1410:35 pmIAD - ABE

1 stop13h 13mUnited Airlines

Sat 11/155:22 pmABE - IAD

2 stops14h 05mUnited Airlines

Deal found 7/23

$558

Thu 9/116:15 amBWI - ABE

1 stop15h 39mUnited Airlines

Sat 9/131:00 pmABE - BWI

1 stop20h 55mUnited Airlines

Deal found 7/24

$816

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 July 25, 2025.

Thu 9/115:26 pmIAD - ABE

1 stop5h 23mAmerican Airlines

Sat 9/132:52 pmABE - IAD

1 stop3h 55mAmerican Airlines

Deal found 7/24

$259

Thu 8/79:39 amBWI - ABE

1 stop9h 48mMultiple Airlines

Mon 8/111:26 pmABE - BWI

3 stops24h 19mMultiple Airlines

Deal found 7/23

$332

Fri 11/1410:35 pmIAD - ABE

1 stop13h 13mUnited Airlines

Sat 11/155:22 pmABE - IAD

2 stops14h 04mUnited Airlines

Deal found 7/24

$518

Thu 8/711:58 amIAD - ABE

1 stop7h 29mMultiple Airlines

Mon 8/111:01 pmABE - IAD

3 stops22h 25mMultiple Airlines

Deal found 7/23

$337

Fri 11/1410:15 amDCA - ABE

1 stop5h 36mAmerican Airlines

Sat 11/156:16 amABE - DCA

1 stop4h 43mAmerican Airlines

Deal found 7/23

$403

Thu 9/116:15 amBWI - ABE

1 stop15h 39mUnited Airlines

Sat 9/131:00 pmABE - BWI

1 stop20h 55mUnited Airlines

Deal found 7/24

$816

Last-minute flights from Washington, D.C. to Allentown
Discover last-minute flight deals from Washington, D.C. to Allentown. Data last updated July 25, 2025 and is based on user searches.

Thu 8/79:39 amBWI - ABE

1 stop9h 48mMultiple Airlines

Mon 8/111:26 pmABE - BWI

3 stops24h 19mMultiple Airlines

Deal found 7/23

$332

Thu 8/711:58 amIAD - ABE

1 stop7h 29mMultiple Airlines

Mon 8/111:01 pmABE - IAD

3 stops22h 25mMultiple Airlines

Deal found 7/23

$337

Thu 8/711:59 amDCA - ABE

1 stop7h 06mAmerican Airlines

Mon 8/116:32 pmABE - DCA

1 stop5h 01mAmerican Airlines

Deal found 7/23

$519

Fri 8/87:44 amIAD - ABE

1 stop6h 42mAmerican Airlines

Tue 8/126:32 pmABE - IAD

1 stop4h 24mAmerican Airlines

Deal found 7/24

$473

Tue 8/266:15 amBWI - ABE

1 stop5h 43mUnited Airlines

Thu 8/286:37 amABE - BWI

1 stop10h 52mUnited Airlines

Deal found 7/23

$1,292

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 July 25, 2025.

Wed 8/139:57 pmBWI - ABE

1 stop16h 16mMultiple Airlines

Deal found 7/24

$117

Fri 8/13:13 pmIAD - ABE

2 stops20h 43mAllegiant Air

Deal found 7/24

$217

Tue 8/265:11 pmDCA - ABE

1 stop4h 33mAmerican Airlines

Deal found 7/24

$244

Tue 8/264:36 pmIAD - ABE

1 stop5h 08mAmerican Airlines

Deal found 7/24

$244

Wed 8/135:25 pmIAD - ABE

3 stops27h 35mMultiple Airlines

Deal found 7/24

$261

Wed 8/138:53 amIAD - ABE

2 stops8h 07mUnited Airlines

Deal found 7/24

$352

Tue 8/267:00 amDCA - ABE

2 stops14h 54mUnited Airlines

Deal found 7/24

$378

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

Thu 9/11

5:26 pm-10:49 pm

1 stop5h 23m

Allentown-Bethlehem

Sat 9/13

2:52 pm-6:47 pm

1 stop3h 55m

$259

BaltimoreAllentown

BWI - ABE

BWIABE

Baltimore/Washington

Thu 8/7

9:39 am-7:27 pm

1 stop9h 48m

Allentown-Bethlehem

Mon 8/11

1:26 pm-1:45 pm

3 stops24h 19m

$332

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 8/7

11:58 am-7:27 pm

1 stop7h 29m

Allentown-Bethlehem

Mon 8/11

1:01 pm-11:26 am

3 stops22h 25m

$337

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 11/14

5:30 pm-10:52 pm

1 stop5h 22m

Allentown-Bethlehem

Sat 11/15

2:00 pm-8:00 pm

1 stop6h 00m

$403

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 11/14

10:35 pm-11:48 am

1 stop13h 13m

Allentown-Bethlehem

Sat 11/15

5:22 pm-7:26 am

2 stops14h 04m

$518

BaltimoreAllentown

BWI - ABE

BWIABE

Baltimore/Washington

Thu 9/11

6:15 am-9:54 pm

1 stop15h 39m

Allentown-Bethlehem

Sat 9/13

1:00 pm-9:55 am

1 stop20h 55m

$816

BaltimoreAllentown

BWI - ABE

BWIABE

Baltimore/Washington

Wed 8/13

9:57 pm-2:13 pm

1 stop16h 16m

$117

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/1

3:13 pm-11:56 am

2 stops20h 43m

$217

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Tue 8/26

5:11 pm-9:44 pm

1 stop4h 33m

$244

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Tue 8/26

4:36 pm-9:44 pm

1 stop5h 08m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 13 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 $395). 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.

Reviews of airlines servicing Allentown

Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Allegiant Air from Washington, D.C. to Allentown to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,876 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,876 reviews

United Airlines

7.4

Good

8,876 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,876 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Allegiant Air

7.2

Good

700 reviews

United Airlines

7.4

Good

8,876 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.
What are the cheapest airlines to fly from Washington, D.C. to Allentown one-way?
$217 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $244 and $352, respectively.
What are the most popular routes from Washington, D.C. to Allentown?
While some choose either Washington, D.C. Reagan-National - Allentown-Bethlehem or Baltimore/Washington - Allentown-Bethlehem, Washington, D.C. Dulles Intl - 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 $395). 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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$117+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Allentown with Cheapflights

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3. Compare prices and book

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

Round-trip from

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

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 July 25, 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 July 25, 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?

Reviews of airlines servicing 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.?

What are the cheapest airlines to fly from Washington, D.C. to Allentown one-way?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Allentown

Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 25, 2025.

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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 July 25, 2025.