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Cheap flights from Washington, D.C. Reagan-National Airport to Allentown from $188

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Allentown departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:35 pm - 11:25 pm-
5h 50m
American Airlines Logo
4:57 pm - 11:59 pm-
7h 02m
$269American Airlines
Thu, Aug 27 - Thu, Sep 3
American Airlines Logo
5:35 pm - 11:25 pm-
5h 50m
American Airlines Logo
6:20 am - 10:56 am-
4h 36m
$269American Airlines
Fri, Sep 4 - Sun, Sep 6
American Airlines Logo
5:35 pm - 12:30 am-
6h 55m
American Airlines Logo
6:20 am - 10:56 am-
4h 36m
$269American Airlines
Sun, Aug 30 - Sun, Sep 6
American Airlines Logo
11:56 am - 4:27 pm-
4h 31m
American Airlines Logo
6:00 am - 10:58 am-
4h 58m
$339American Airlines
Sat, Aug 15 - Wed, Aug 19
American Airlines Logo
6:44 am - 12:32 pm-
5h 48m
American Airlines Logo
1:02 pm - 5:47 pm-
4h 45m
$339American Airlines
Thu, Jan 21 - Sat, Jan 23
American Airlines Logo
5:00 am - 11:18 am-
6h 18m
American Airlines Logo
5:14 pm - 11:59 pm-
6h 45m
$497American Airlines
Sun, Oct 18 - Thu, Oct 22
American Airlines Logo
7:16 pm - 11:22 pm-
4h 06m
American Airlines Logo
5:17 pm - 11:59 pm-
6h 42m
$513American Airlines
Fri, Sep 18 - Sun, Sep 20
American Airlines Logo
7:08 pm - 11:25 pm-
4h 17m
American Airlines Logo
6:20 am - 11:59 am-
5h 39m
$557American Airlines
Fri, Sep 4 - Sun, Sep 6
American Airlines Logo
7:14 pm - 11:25 pm-
4h 11m
American Airlines Logo
4:57 pm - 9:51 pm-
4h 54m
$567American Airlines
Mon, Aug 31 - Wed, Sep 2
American Airlines Logo
11:56 am - 4:32 pm-
4h 36m
American Airlines Logo
6:20 am - 11:59 am-
5h 39m
$592American Airlines
Sun, Aug 30 - Sun, Sep 6

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Allentown flight tickets
American Airlines
Aug 27
DCA5:35 pmWashington, D.C. Reagan-National
5h 50m
1 stop
ABE11:25 pmAllentown-Bethlehem
Sep 3
ABE4:57 pmAllentown-Bethlehem
7h 02m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$269
American Airlines
Aug 15
DCA11:56 amWashington, D.C. Reagan-National
4h 31m
1 stop
ABE4:27 pmAllentown-Bethlehem
Aug 19
ABE6:00 amAllentown-Bethlehem
4h 58m
1 stop
DCA10:58 amWashington, D.C. Reagan-National
$339
American Airlines
Aug 6
DCA7:14 pmWashington, D.C. Reagan-National
4h 11m
1 stop
ABE11:25 pmAllentown-Bethlehem
Aug 8
ABE6:00 amAllentown-Bethlehem
4h 58m
1 stop
DCA10:58 amWashington, D.C. Reagan-National
$429

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Allentown flight tickets
United Airlines
Nov 11
DCA6:25 amWashington, D.C. Reagan-National
14h 37m
1 stop
ABE9:02 pmAllentown-Bethlehem
Nov 14
ABE6:15 amAllentown-Bethlehem
16h 28m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National
$646
United Airlines
Nov 11
DCA6:25 amWashington, D.C. Reagan-National
14h 37m
1 stop
ABE9:02 pmAllentown-Bethlehem
Nov 14
ABE6:15 amAllentown-Bethlehem
16h 28m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National
$724
United Airlines
Aug 18
DCA8:10 pmWashington, D.C. Reagan-National
13h 47m
1 stop
ABE9:57 amAllentown-Bethlehem
Aug 22
ABE6:15 amAllentown-Bethlehem
14h 54m
1 stop
DCA9:09 pmWashington, D.C. Reagan-National
$1,291

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Allentown 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 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Thu 8/27

5:35 pm-11:25 pm

1 stop5h 50m

Allentown-Bethlehem

Thu 9/3

4:57 pm-11:59 pm

1 stop7h 02m

$269

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 9/4

5:35 pm-11:25 pm

1 stop5h 50m

Allentown-Bethlehem

Sun 9/6

6:20 am-10:56 am

1 stop4h 36m

$269

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Sun 8/30

5:35 pm-12:30 am

1 stop6h 55m

Allentown-Bethlehem

Sun 9/6

6:20 am-10:56 am

1 stop4h 36m

$269

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Sat 8/15

11:56 am-4:27 pm

1 stop4h 31m

Allentown-Bethlehem

Wed 8/19

6:00 am-10:58 am

1 stop4h 58m

$339

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Thu 1/21

6:44 am-12:32 pm

1 stop5h 48m

Allentown-Bethlehem

Sat 1/23

1:02 pm-5:47 pm

1 stop4h 45m

$339

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Sun 10/18

5:00 am-11:18 am

1 stop6h 18m

Allentown-Bethlehem

Thu 10/22

5:14 pm-11:59 pm

1 stop6h 45m

$497

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 9/18

7:16 pm-11:22 pm

1 stop4h 06m

Allentown-Bethlehem

Sun 9/20

5:17 pm-11:59 pm

1 stop6h 42m

$513

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Fri 9/4

7:08 pm-11:25 pm

1 stop4h 17m

Allentown-Bethlehem

Sun 9/6

6:20 am-11:59 am

2 stops5h 39m

$557
Quickest round-trip

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Mon 8/31

7:14 pm-11:25 pm

1 stop4h 11m

Allentown-Bethlehem

Wed 9/2

4:57 pm-9:51 pm

1 stop4h 54m

$567

Washington, D.C.Allentown

DCA - ABE

DCAABE

Washington, D.C. Reagan-National

Sun 8/30

11:56 am-4:32 pm

1 stop4h 36m

Allentown-Bethlehem

Sun 9/6

6:20 am-11:59 am

2 stops5h 39m

$592

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Allentown

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 Washington, D.C. Reagan-National to Allentown-Bethlehem?

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

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

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

Cheap Washington, D.C. Reagan-National Airport to Allentown (DCA to ABE) flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Allentown takes 10h 30m
There are no direct flights from Washington, D.C. Reagan-National Airport to Allentown. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Allentown.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Allentown

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

    The straight-line distance from Washington, D.C. Reagan-National to Allentown-Bethlehem is 146.8 mi. Flights usually cover this in 10h 30m, depending on flying conditions and air traffic around both airports.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Allentown-Bethlehem Airport.

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The travel and health documents required for your trip to Allentown-Bethlehem Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Washington, D.C..

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

Yes. All flights to Allentown from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington, D.C. to Allentown 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 Washington, D.C. to Allentown right now. Can momondo alert me if prices change?

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

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