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Cheap flights from Allentown to Washington, D.C. from $178

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 3/2. 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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Cheap round-trip flights

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American Airlines Logo
12:50 pm - 5:23 pm
ABE
-
DCA
4h 33m
1 stop
American Airlines Logo
6:41 am - 11:30 am
DCA
-
ABE
4h 49m
1 stop
$294American Airlines
mar., févr. 17 - sam., févr. 21
American Airlines Logo
7:41 am - 1:59 pm
ABE
-
DCA
6h 18m
1 stop
American Airlines Logo
6:45 am - 11:30 am
DCA
-
ABE
4h 45m
1 stop
$427American Airlines
mar., mars 10 - mer., mars 11
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
$514American Airlines
mer., avr. 15 - dim., avr. 19
American Airlines Logo
12:50 pm - 6:53 pm
ABE
-
DCA
6h 03m
2 stops
American Airlines Logo
7:41 pm - 12:29 am
DCA
-
ABE
4h 48m
1 stop
$721American Airlines
mar., févr. 17 - sam., févr. 21
American Airlines Logo
12:00 pm - 5:42 pm
ABE
-
DCA
5h 42m
1 stop
American Airlines Logo
6:45 am - 11:30 am
DCA
-
ABE
4h 45m
1 stop
$740American Airlines
lun., mars 9 - mer., mars 11
American Airlines Logo
6:04 am - 12:59 pm
ABE
-
DCA
6h 55m
2 stops
American Airlines Logo
7:46 pm - 12:22 am
DCA
-
ABE
4h 36m
1 stop
$744American Airlines
mer., avr. 15 - dim., avr. 19
United Airlines Logo
6:28 am - 8:59 pm
ABE
-
DCA
14h 31m
1 stop
United Airlines Logo
3:30 pm - 10:01 am
DCA
-
ABE
18h 31m
1 stop
$766United Airlines
sam., févr. 14 - mer., févr. 18
American Airlines Logo
12:45 pm - 6:53 pm
ABE
-
DCA
6h 08m
2 stops
American Airlines Logo
7:41 pm - 12:29 am
DCA
-
ABE
4h 48m
1 stop
$881American Airlines
mar., mars 10 - mer., mars 11
United Airlines Logo
6:28 am - 4:59 pm
ABE
-
DCA
10h 31m
1 stop
United Airlines Logo
12:00 pm - 10:01 am
DCA
-
ABE
22h 01m
1 stop
$932United Airlines
sam., févr. 14 - mer., févr. 18
American Airlines Logo
6:04 am - 12:59 pm
ABE
-
DCA
6h 55m
2 stops
American Airlines Logo
6:45 am - 11:30 am
DCA
-
ABE
4h 45m
1 stop
$938American Airlines
lun., mars 9 - mer., mars 11

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
Feb 19
ABE6:04 amAllentown-Bethlehem
4h 52m
1 stop
DCA10:56 amWashington, D.C. Reagan-National
Feb 21
DCA6:41 amWashington, D.C. Reagan-National
4h 49m
1 stop
ABE11:30 amAllentown-Bethlehem
$229
American Airlines
Feb 17
ABE12:50 pmAllentown-Bethlehem
4h 33m
1 stop
DCA5:23 pmWashington, D.C. Reagan-National
Feb 21
DCA6:41 amWashington, D.C. Reagan-National
4h 49m
1 stop
ABE11:30 amAllentown-Bethlehem
$294
American Airlines
Feb 7
ABE7:30 amAllentown-Bethlehem
6h 24m
1 stop
DCA1:54 pmWashington, D.C. Reagan-National
Feb 9
DCA5:55 amWashington, D.C. Reagan-National
6h 37m
1 stop
ABE12:32 pmAllentown-Bethlehem
$359

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
Feb 14
ABE6:28 amAllentown-Bethlehem
14h 31m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
Feb 18
DCA3:30 pmWashington, D.C. Reagan-National
18h 31m
1 stop
ABE10:01 amAllentown-Bethlehem
$766
United Airlines
Feb 14
ABE6:28 amAllentown-Bethlehem
10h 31m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
Feb 18
DCA12:00 pmWashington, D.C. Reagan-National
22h 01m
1 stop
ABE10:01 amAllentown-Bethlehem
$932

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 février 4, 2026.
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

mar. 2/17

12:50 pm-5:23 pm

1 stop4h 33m

Washington, D.C. Reagan-National

sam. 2/21

6:41 am-11:30 am

1 stop4h 49m

$294

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

mar. 3/10

7:41 am-1:59 pm

1 stop6h 18m

Washington, D.C. Reagan-National

mer. 3/11

6:45 am-11:30 am

1 stop4h 45m

$427

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

mer. 4/15

6:04 am-10:49 am

1 stop4h 45m

Washington, D.C. Reagan-National

dim. 4/19

7:46 pm-12:22 am

1 stop4h 36m

$514

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

mar. 2/17

12:50 pm-6:53 pm

2 stops6h 03m

Washington, D.C. Reagan-National

sam. 2/21

7:41 pm-12:29 am

1 stop4h 48m

$721

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

lun. 3/9

12:00 pm-5:42 pm

1 stop5h 42m

Washington, D.C. Reagan-National

mer. 3/11

6:45 am-11:30 am

1 stop4h 45m

$740

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

mer. 4/15

6:04 am-12:59 pm

2 stops6h 55m

Washington, D.C. Reagan-National

dim. 4/19

7:46 pm-12:22 am

1 stop4h 36m

$744

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

sam. 2/14

6:28 am-8:59 pm

1 stop14h 31m

Washington, D.C. Reagan-National

mer. 2/18

3:30 pm-10:01 am

1 stop18h 31m

$766

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

mar. 3/10

12:45 pm-6:53 pm

2 stops6h 08m

Washington, D.C. Reagan-National

mer. 3/11

7:41 pm-12:29 am

1 stop4h 48m

$881

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

sam. 2/14

6:28 am-4:59 pm

1 stop10h 31m

Washington, D.C. Reagan-National

mer. 2/18

12:00 pm-10:01 am

1 stop22h 01m

$932

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

lun. 3/9

6:04 am-12:59 pm

2 stops6h 55m

Washington, D.C. Reagan-National

mer. 3/11

6:45 am-11:30 am

1 stop4h 45m

$938

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 airline that flies from Allentown-Bethlehem to Washington, D.C. Reagan-National?

American Airlines is the most popular carrier operating from Allentown-Bethlehem to Washington, D.C. Reagan-National

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

Fastest flight time

10h 31m

Direct flights

None
The fastest flight from Allentown to Washington, D.C. Reagan-National Airport takes 10h 31m
There are no direct flights from Allentown to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Allentown to 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 10h 31m, 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 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.

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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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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