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Cheap flights from Allentown to Washington, D.C. from $244

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 8/29. 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. (ABE-DCA)

Cheap round-trip flights

American Airlines Logo
6:35 pm - 11:04 pmABE-DCA
4h 29m1 stop
American Airlines Logo
8:59 am - 2:05 pmDCA-ABE
5h 06m1 stop
$319American Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9
Delta Logo
2:30 pm - 7:15 amABE-DCA
16h 45m2 stops
Delta Logo
7:55 am - 10:39 pmDCA-ABE
14h 44m2 stops
$361Delta
Find Deal
Sat, Sep 6 - Tue, Sep 9
Delta Logo
2:30 pm - 7:15 amABE-DCA
16h 45m2 stops
Delta Logo
7:55 am - 10:39 pmDCA-ABE
14h 44m2 stops
$391Delta
Find Deal
Sat, Sep 6 - Tue, Sep 9
Delta Logo
6:00 am - 10:46 pmABE-DCA
16h 46m1 stop
Delta Logo
7:55 am - 10:39 pmDCA-ABE
14h 44m2 stops
$400Delta
Find Deal
Sat, Sep 6 - Tue, Sep 9
American Airlines Logo
6:00 am - 12:59 pmABE-DCA
6h 59m1 stop
American Airlines Logo
5:34 pm - 10:37 pmDCA-ABE
5h 03m1 stop
$419American Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23
American Airlines Logo
6:32 pm - 10:39 pmABE-DCA
4h 07m1 stop
American Airlines Logo
3:25 pm - 10:37 pmDCA-ABE
7h 12m1 stop
$424American Airlines
Find Deal
Wed, Aug 20 - Sun, Aug 24
American Airlines Logo
4:30 pm - 11:34 pmABE-DCA
7h 04m1 stop
American Airlines Logo
5:30 pm - 10:53 pmDCA-ABE
5h 23m1 stop
$487American Airlines
Find Deal
Wed, Nov 12 - Thu, Nov 13
United Airlines Logo
6:37 am - 10:43 pmABE-DCA
16h 06m1 stop
United Airlines Logo
6:25 am - 9:54 pmDCA-ABE
15h 29m1 stop
$1,028United Airlines
Find Deal
Thu, Sep 4 - Sat, Sep 6
United Airlines Logo
6:37 am - 9:46 pmABE-DCA
15h 09m2 stops
United Airlines Logo
9:00 am - 9:54 pmDCA-ABE
12h 54m2 stops
$1,112United Airlines
Find Deal
Wed, Aug 20 - Sun, Aug 24
United Airlines Logo
5:35 pm - 10:42 pmABE-DCA
5h 07m1 stop
United Airlines Logo
8:30 am - 9:54 pmDCA-ABE
13h 24m1 stop
$1,182United Airlines
Find Deal
Mon, Aug 18 - Mon, Aug 25

American Airlines flights from Allentown to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Allentown to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Aug 13
ABE6:32 pmAllentown-Bethlehem
5h 01m
1 stop
DCA11:33 pmWashington, D.C. Reagan-National
Aug 16
DCA3:25 pmWashington, D.C. Reagan-National
7h 12m
1 stop
ABE10:37 pmAllentown-Bethlehem
$279
Find similar
American Airlines
Sep 6
ABE6:35 pmAllentown-Bethlehem
4h 29m
1 stop
DCA11:04 pmWashington, D.C. Reagan-National
Sep 9
DCA8:59 amWashington, D.C. Reagan-National
5h 06m
1 stop
ABE2:05 pmAllentown-Bethlehem
$319
Find similar
American Airlines
Aug 19
ABE6:00 amAllentown-Bethlehem
6h 59m
1 stop
DCA12:59 pmWashington, D.C. Reagan-National
Aug 23
DCA5:34 pmWashington, D.C. Reagan-National
5h 03m
1 stop
ABE10:37 pmAllentown-Bethlehem
$419
Find similar

United Airlines flights from Allentown to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Allentown to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Sep 4
ABE6:37 amAllentown-Bethlehem
16h 06m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National
Sep 6
DCA6:25 amWashington, D.C. Reagan-National
15h 29m
1 stop
ABE9:54 pmAllentown-Bethlehem
$1,028
Find similar
United Airlines
Aug 20
ABE6:37 amAllentown-Bethlehem
15h 09m
2 stops
DCA9:46 pmWashington, D.C. Reagan-National
Aug 24
DCA9:00 amWashington, D.C. Reagan-National
12h 54m
2 stops
ABE9:54 pmAllentown-Bethlehem
$1,112
Find similar
United Airlines
Aug 18
ABE5:35 pmAllentown-Bethlehem
5h 07m
1 stop
DCA10:42 pmWashington, D.C. Reagan-National
Aug 25
DCA8:30 amWashington, D.C. Reagan-National
13h 24m
1 stop
ABE9:54 pmAllentown-Bethlehem
$1,182
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Washington, D.C. Reagan-National Airport 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 August 7, 2025.
Use the filters below to find and compare flights from Allentown to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 9/6

6:35 pm-11:04 pm

1 stop4h 29m

Washington, D.C. Reagan-National

Tue 9/9

8:59 am-2:05 pm

1 stop5h 06m

$319

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 9/6

2:30 pm-7:15 am

2 stops16h 45m

Washington, D.C. Reagan-National

Tue 9/9

7:55 am-10:39 pm

2 stops14h 44m

$361

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 9/6

2:30 pm-7:15 am

2 stops16h 45m

Washington, D.C. Reagan-National

Tue 9/9

7:55 am-10:39 pm

2 stops14h 44m

$391

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 9/6

6:00 am-10:46 pm

1 stop16h 46m

Washington, D.C. Reagan-National

Tue 9/9

7:55 am-10:39 pm

2 stops14h 44m

$400

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Tue 8/19

6:00 am-12:59 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Sat 8/23

5:34 pm-10:37 pm

1 stop5h 03m

$419

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Wed 8/20

6:32 pm-10:39 pm

1 stop4h 07m

Washington, D.C. Reagan-National

Sun 8/24

3:25 pm-10:37 pm

1 stop7h 12m

$424

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Wed 11/12

4:30 pm-11:34 pm

1 stop7h 04m

Washington, D.C. Reagan-National

Thu 11/13

5:30 pm-10:53 pm

1 stop5h 23m

$487

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Thu 9/4

6:37 am-10:43 pm

1 stop16h 06m

Washington, D.C. Reagan-National

Sat 9/6

6:25 am-9:54 pm

1 stop15h 29m

$1,028

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Wed 8/20

6:37 am-9:46 pm

2 stops15h 09m

Washington, D.C. Reagan-National

Sun 8/24

9:00 am-9:54 pm

2 stops12h 54m

$1,112

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Mon 8/18

5:35 pm-10:42 pm

1 stop5h 07m

Washington, D.C. Reagan-National

Mon 8/25

8:30 am-9:54 pm

1 stop13h 24m

$1,182

Flights are sorted by cheapest round-trip flights 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. Reagan-National Airport

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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Allentown to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $241. Flights from Allentown to Washington, D.C. Reagan-National Airport on a Wednesday will generally be more expensive and average around $638. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Allentown to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $278. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $362.

When to book flights from Allentown to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (ABE to DCA) flight deals and tips

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

Best Price Found

$244

Fastest flight time

3h 52m

Direct flights

None
The best one-way flight to Washington, D.C. Reagan-National Airport from Allentown in the past 72 hours is $244. The best round-trip flight deal from Allentown to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $319.
The fastest flight from Allentown to Washington, D.C. Reagan-National Airport takes 3h 52m
There are no direct flights from Allentown to Washington, D.C. Reagan-National Airport. Popular non-direct route for this connection is Allentown-Bethlehem Airport - Washington, D.C. Reagan-National Airport.
Search flight deals

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

    Washington, D.C. Reagan-National is 146.8 mi away from Allentown-Bethlehem. Flights usually cover this in 4h 07m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Allentown-Bethlehem Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Washington, D.C. Reagan-National Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Allentown-Bethlehem Airport to Washington, D.C. Reagan-National Airport.

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

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Allentown to Washington, D.C. Reagan-National Airport?

Best airlines flying from Allentown to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Allentown to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $234Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Allentown to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Allentown to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Allentown to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Allentown and alert you when they change.

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