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Cheap flights from Allentown to Washington, D.C. from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Washington, D.C. departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Allentown to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:41 am - 5:45 pm
ABE
-
IAD
8h 04m
1 stop
Multiple Airlines Logo
5:30 pm - 2:04 pm
IAD
-
ABE
20h 34m
1 stop
$307Multiple Airlines
Thu, Aug 6 - Sun, Aug 9
Multiple Airlines Logo
10:34 am - 8:18 pm
ABE
-
IAD
9h 44m
1 stop
Multiple Airlines Logo
5:07 pm - 2:56 pm
IAD
-
ABE
21h 49m
1 stop
$314Multiple Airlines
Mon, May 11 - Wed, May 13
Multiple Airlines Logo
10:34 am - 8:18 pm
ABE
-
IAD
9h 44m
1 stop
Multiple Airlines Logo
11:07 am - 8:10 pm
IAD
-
ABE
33h 03m
2 stops
$341Multiple Airlines
Mon, May 11 - Thu, May 14
Multiple Airlines Logo
7:30 am - 8:59 am
ABE
-
IAD
25h 29m
2 stops
Multiple Airlines Logo
5:07 pm - 2:56 pm
IAD
-
ABE
21h 49m
1 stop
$345Multiple Airlines
Sun, May 10 - Wed, May 13
Multiple Airlines Logo
9:00 am - 9:04 pm
ABE
-
BWI
12h 04m
1 stop
Multiple Airlines Logo
6:30 am - 8:10 pm
BWI
-
ABE
13h 40m
1 stop
$354Multiple Airlines
Thu, May 14 - Mon, May 18
Allegiant Air Logo
10:34 am - 8:18 pm
ABE
-
IAD
9h 44m
1 stop
Allegiant Air Logo
9:49 am - 3:41 pm
IAD
-
ABE
29h 52m
2 stops
$387Allegiant Air
Mon, May 11 - Fri, May 15
Allegiant Air Logo
10:34 am - 8:18 pm
ABE
-
IAD
9h 44m
1 stop
Allegiant Air Logo
9:08 pm - 6:03 pm
IAD
-
ABE
20h 55m
1 stop
$398Allegiant Air
Mon, May 11 - Fri, May 15
American Airlines Logo
6:04 am - 10:49 am
ABE
-
DCA
4h 45m
1 stop
American Airlines Logo
7:46 pm - 12:22 am
DCA
-
ABE
4h 36m
1 stop
$481American Airlines
Thu, May 14 - Mon, May 18
American Airlines Logo
6:22 am - 12:59 pm
ABE
-
DCA
6h 37m
1 stop
American Airlines Logo
5:26 pm - 12:21 am
DCA
-
ABE
6h 55m
1 stop
$487American Airlines
Sat, Jun 6 - Sat, Jun 6
American Airlines Logo
12:00 pm - 4:47 pm
ABE
-
DCA
4h 47m
1 stop
American Airlines Logo
6:42 am - 11:27 am
DCA
-
ABE
4h 45m
1 stop
$554American Airlines
Wed, May 13 - Sun, May 17

American Airlines flights from Allentown to Washington, D.C.

Our best American Airlines deals on Allentown to Washington, D.C. flight tickets
American Airlines
May 14
ABE6:04 amAllentown-Bethlehem
4h 45m
1 stop
DCA10:49 amWashington, D.C. Reagan-National
May 18
DCA7:46 pmWashington, D.C. Reagan-National
4h 36m
1 stop
ABE12:22 amAllentown-Bethlehem
$481
American Airlines
Jun 6
ABE6:22 amAllentown-Bethlehem
6h 37m
1 stop
DCA12:59 pmWashington, D.C. Reagan-National
Jun 6
DCA5:26 pmWashington, D.C. Reagan-National
6h 55m
1 stop
ABE12:21 amAllentown-Bethlehem
$487
American Airlines
May 13
ABE6:04 amAllentown-Bethlehem
4h 52m
1 stop
IAD10:56 amWashington, D.C. Dulles Intl
May 16
IAD8:07 pmWashington, D.C. Dulles Intl
4h 15m
1 stop
ABE12:22 amAllentown-Bethlehem
$489

United Airlines flights from Allentown to Washington, D.C.

Our best United Airlines deals on Allentown to Washington, D.C. flight tickets
United Airlines
May 9
ABE5:40 pmAllentown-Bethlehem
13h 44m
2 stops
IAD7:24 amWashington, D.C. Dulles Intl
May 12
IAD10:15 pmWashington, D.C. Dulles Intl
15h 23m
2 stops
ABE1:38 pmAllentown-Bethlehem
$600
United Airlines
Aug 9
ABE2:23 pmAllentown-Bethlehem
21h 04m
2 stops
IAD11:27 amWashington, D.C. Dulles Intl
Aug 11
IAD10:20 pmWashington, D.C. Dulles Intl
15h 22m
2 stops
ABE1:42 pmAllentown-Bethlehem
$617
United Airlines
May 8
ABE5:40 pmAllentown-Bethlehem
13h 44m
2 stops
IAD7:24 amWashington, D.C. Dulles Intl
May 12
IAD10:15 pmWashington, D.C. Dulles Intl
15h 23m
2 stops
ABE1:38 pmAllentown-Bethlehem
$634

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Washington, D.C. 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, momondo users made 832,500 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Allentown to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 8/6

9:41 am-5:45 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Sun 8/9

5:30 pm-2:04 pm

1 stop20h 34m

$307

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Mon 5/11

10:34 am-8:18 pm

1 stop9h 44m

Washington, D.C. Dulles Intl

Wed 5/13

5:07 pm-2:56 pm

1 stop21h 49m

$314

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Mon 5/11

10:34 am-8:18 pm

1 stop9h 44m

Washington, D.C. Dulles Intl

Thu 5/14

11:07 am-8:10 pm

2 stops33h 03m

$341

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sun 5/10

7:30 am-8:59 am

2 stops25h 29m

Washington, D.C. Dulles Intl

Wed 5/13

5:07 pm-2:56 pm

1 stop21h 49m

$345

AllentownBaltimore

ABE - BWI

ABEBWI

Allentown-Bethlehem

Thu 5/14

9:00 am-9:04 pm

1 stop12h 04m

Baltimore/Washington

Mon 5/18

6:30 am-8:10 pm

1 stop13h 40m

$354

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Mon 5/11

10:34 am-8:18 pm

1 stop9h 44m

Washington, D.C. Dulles Intl

Fri 5/15

9:49 am-3:41 pm

2 stops29h 52m

$387

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Mon 5/11

10:34 am-8:18 pm

1 stop9h 44m

Washington, D.C. Dulles Intl

Fri 5/15

9:08 pm-6:03 pm

1 stop20h 55m

$398
Quickest round-trip

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Thu 5/14

6:04 am-10:49 am

1 stop4h 45m

Washington, D.C. Reagan-National

Mon 5/18

7:46 pm-12:22 am

1 stop4h 36m

$481

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 6/6

6:22 am-12:59 pm

1 stop6h 37m

Washington, D.C. Reagan-National

Sat 6/6

5:26 pm-12:21 am

1 stop6h 55m

$487

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Wed 5/13

12:00 pm-4:47 pm

1 stop4h 47m

Washington, D.C. Reagan-National

Sun 5/17

6:42 am-11:27 am

1 stop4h 45m

$554

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Allentown to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Allentown-Bethlehem to Washington, D.C.?

American Airlines, United Airlines, and Allegiant Air are the most popular carriers operating from Allentown-Bethlehem to Washington, D.C.

What airlines fly to Washington, D.C.?

United Airlines, Southern / Mokulele and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Allentown according to our data. United Airlines is the first choice among our users, with 94% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When to book flights from Allentown to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Washington, D.C. (ABE to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Washington, D.C.

Fastest flight time

5h 05m

Direct flights

None
The fastest flight from Allentown to Washington, D.C. takes 5h 05m
There are no direct flights from Allentown to Washington, D.C.. There are no popular flight routes from Allentown to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Allentown to Washington, D.C.

  • How far is Allentown-Bethlehem to Washington, D.C. by plane?

    The distance between Allentown-Bethlehem and Washington, D.C. is about 143.6 mi. A reasonable flight in good conditions will take 5h 05m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Washington, D.C.?

    Prices for flights from Allentown-Bethlehem Airport to Washington, D.C. were last updated today.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Allentown-Bethlehem Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Washington, D.C.?

Finding the right flight to Washington, D.C. from Allentown is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Allentown to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Allentown with this policy.

How can momondo help me find flights from Allentown to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Allentown.

I’m not ready to book a flight from Allentown to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Allentown to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport