In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from ABE to DCA?

When flying from Allentown to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Allentown-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Allentown-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Allentown to Washington, D.C. Reagan-National?

Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Washington, D.C. Reagan-National. 0 airlines have flights from Allentown-Bethlehem to Washington, D.C. Reagan-National on a regular basis. Booking flights from Allentown-Bethlehem to Washington, D.C. Reagan-National should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day.

Can I find deals for flights from Allentown to Reagan-National that include hotel bookings?

Yes. In addition to deals on Allentown to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Allentown to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Reagan-National.

Can I find deals for business class flights from Allentown to Reagan-National?

Yes. Cheapflights offers flight deals from Allentown to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$259+ Flights from Allentown to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Allentown to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Allentown to Reagan-National

Cheapest flights from Allentown to Reagan-National
Explore the most affordable flight options available from Allentown to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Sun 12/2111:50 amABE - DCA

1 stop5h 44mAmerican Airlines

Mon 12/295:30 pmDCA - ABE

1 stop5h 59mAmerican Airlines

Deal found 12/2

$294

Sat 12/206:04 amABE - DCA

1 stop4h 56mAmerican Airlines

Sun 12/216:46 amDCA - ABE

1 stop4h 34mAmerican Airlines

Deal found 12/3

$384

Thu 12/182:30 pmABE - DCA

1 stop9h 29mUnited Airlines

Mon 12/296:30 amDCA - ABE

1 stop15h 17mUnited Airlines

Deal found 12/3

$1,124

Best flights from Allentown to Reagan-National
Discover carefully curated flight deals from Allentown to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Sat 1/311:02 pmABE - DCA

1 stop4h 45mAmerican Airlines

Sun 2/15:55 amDCA - ABE

1 stop6h 37mAmerican Airlines

Deal found 12/1

$259

Sat 1/316:15 amABE - DCA

1 stop14h 45mUnited Airlines

Sun 2/13:30 pmDCA - ABE

1 stop19h 11mUnited Airlines

Deal found 12/2

$472

Sun 12/2111:50 amABE - DCA

1 stop5h 44mAmerican Airlines

Mon 12/295:30 pmDCA - ABE

1 stop5h 59mAmerican Airlines

Deal found 12/2

$294

Sat 12/206:04 amABE - DCA

1 stop4h 56mAmerican Airlines

Sun 12/216:46 amDCA - ABE

1 stop4h 34mAmerican Airlines

Deal found 12/3

$384

Tue 1/131:02 pmABE - DCA

1 stop6h 34mAmerican Airlines

Thu 1/158:20 amDCA - ABE

1 stop4h 12mAmerican Airlines

Deal found 12/2

$427

Tue 1/131:02 pmABE - DCA

1 stop6h 34mAmerican Airlines

Wed 1/148:20 amDCA - ABE

1 stop4h 12mAmerican Airlines

Deal found 12/2

$427

Thu 12/182:30 pmABE - DCA

1 stop9h 29mUnited Airlines

Mon 12/296:30 amDCA - ABE

1 stop15h 17mUnited Airlines

Deal found 12/3

$1,124

Last-minute flights from Allentown to Reagan-National
Discover last-minute flight deals from Allentown to Reagan-National. Data last updated December 4, 2025 and is based on user searches.

Thu 12/182:30 pmABE - DCA

1 stop9h 29mUnited Airlines

Mon 12/296:30 amDCA - ABE

1 stop15h 17mUnited Airlines

Deal found 12/3

$1,124

Sat 12/206:04 amABE - DCA

1 stop4h 56mAmerican Airlines

Sun 12/216:46 amDCA - ABE

1 stop4h 34mAmerican Airlines

Deal found 12/3

$384

Sun 12/2111:50 amABE - DCA

1 stop5h 44mAmerican Airlines

Mon 12/295:30 pmDCA - ABE

1 stop5h 59mAmerican Airlines

Deal found 12/2

$294

Tue 1/131:02 pmABE - DCA

1 stop6h 34mAmerican Airlines

Wed 1/148:20 amDCA - ABE

1 stop4h 12mAmerican Airlines

Deal found 12/2

$427

Tue 1/137:30 amABE - DCA

2 stops7h 29mAmerican Airlines

Thu 1/158:20 amDCA - ABE

1 stop4h 12mAmerican Airlines

Deal found 12/2

$875

Sat 1/311:02 pmABE - DCA

1 stop4h 45mAmerican Airlines

Sun 2/15:55 amDCA - ABE

1 stop6h 37mAmerican Airlines

Deal found 12/1

$259

Sat 1/316:15 amABE - DCA

1 stop14h 45mUnited Airlines

Sun 2/13:30 pmDCA - ABE

1 stop19h 11mUnited Airlines

Deal found 12/2

$472

One-way flights from Allentown to Reagan-National
Search for one-way flight options from Allentown to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Tue 12/911:14 amABE - DCA

2 stops29h 45mMultiple Airlines

Deal found 12/2

$290

Sat 12/1312:29 pmABE - DCA

3 stops28h 30mMultiple Airlines

Deal found 12/2

$320

Tue 12/97:30 amABE - DCA

1 stop6h 53mAmerican Airlines

Deal found 12/2

$369

Tue 12/166:30 amABE - DCA

1 stop12h 37mUnited Airlines

Deal found 12/1

$459

Sat 12/135:14 pmABE - DCA

1 stop6h 45mAmerican Airlines

Deal found 12/2

$469

Sun 1/114:57 pmABE - DCA

1 stop17h 01mUnited Airlines

Deal found 12/3

$548

Sat 12/135:22 pmABE - DCA

2 stops21h 03mUnited Airlines

Deal found 12/2

$673

Find flight deals from Allentown to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$259 (American Airlines)

Provider with most accurate pricing for Allentown-Bethlehem-Washington, D.C. Reagan-National flight deals.

Search Deals

Provider most trusted by Cheapflights users for Allentown-Bethlehem-Washington, D.C. Reagan-National flights.

Search Deals

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

Search Deals

Cheapflights Fare Finder

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 1/31

1:02 pm-5:47 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Sun 2/1

5:55 am-12:32 pm

1 stop6h 37m

$259

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sun 12/21

11:50 am-5:34 pm

1 stop5h 44m

Washington, D.C. Reagan-National

Mon 12/29

5:30 pm-11:29 pm

1 stop5h 59m

$294

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 12/20

6:04 am-11:00 am

1 stop4h 56m

Washington, D.C. Reagan-National

Sun 12/21

6:46 am-11:20 am

1 stop4h 34m

$384

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Tue 1/13

1:02 pm-7:36 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Thu 1/15

8:20 am-12:32 pm

1 stop4h 12m

$427

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Tue 1/13

1:02 pm-7:36 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Wed 1/14

8:20 am-12:32 pm

1 stop4h 12m

$427

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 1/31

6:15 am-9:00 pm

1 stop14h 45m

Washington, D.C. Reagan-National

Sun 2/1

3:30 pm-10:41 am

1 stop19h 11m

$472

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Thu 12/18

2:30 pm-11:59 pm

1 stop9h 29m

Washington, D.C. Reagan-National

Mon 12/29

6:30 am-9:47 pm

1 stop15h 17m

$1,124

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Tue 12/9

11:14 am-4:59 pm

2 stops29h 45m

$290

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 12/13

12:29 pm-4:59 pm

3 stops28h 30m

$320

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Sat 12/13

6:10 am-10:59 am

1 stop4h 49m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 13 results

Compare providers for flights from Allentown to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Reagan-National in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Allentown-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Allentown-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Allentown 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 Allentown to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Allentown to Washington, D.C. Reagan-National Airport?

Currently, May is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Reagan-National Airport (average of $95). Flying from Allentown to Washington, D.C. Reagan-National Airport in September is currently the most expensive (average of $179). 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.

Related info for your journey

What airport do you fly from for flights from Allentown to Washington, D.C. Reagan-National?
Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Washington, D.C. Reagan-National. 0 airlines have flights from Allentown-Bethlehem to Washington, D.C. Reagan-National on a regular basis. Booking flights from Allentown-Bethlehem to Washington, D.C. Reagan-National should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day.
How long is the flight from Allentown to Washington, D.C. Reagan-National Airport?
Airlines like American Airlines fly from Allentown to Washington, D.C. Reagan-National Airport in about 4h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Allentown to Washington, D.C. Reagan-National Airport is about 151 mi.
Can I find deals for flights from Allentown to Reagan-National that include hotel bookings?
Yes. In addition to deals on Allentown to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Allentown to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Reagan-National.
Can I find deals for business class flights from Allentown to Reagan-National?
Yes. Cheapflights offers flight deals from Allentown to Reagan-National 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 Allentown to Washington, D.C. Reagan-National Airport?
Currently, May is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Reagan-National Airport (average of $95). Flying from Allentown to Washington, D.C. Reagan-National Airport in September is currently the most expensive (average of $179). 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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$259+ Cheap flights from Allentown (ABE) to Reagan-National (DCA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Allentown to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Allentown to Reagan-National

Cheapest flights from Allentown to Reagan-NationalExplore the most affordable flight options available from Allentown to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Explore the most affordable flight options available from Allentown to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Find flight deals from Allentown to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

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

Compare providers for flights from Allentown to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Reagan-National in December.

Best time to book a flight from Allentown to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Allentown with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Allentown to Washington, D.C. Reagan-National Airport?

Related info for your journey

Find useful and relevant information for your journey from Allentown to Reagan-National. 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 from for flights from Allentown to Washington, D.C. Reagan-National?

How long is the flight from Allentown to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Allentown to Reagan-National that include hotel bookings?

How can I find direct flights from Allentown to Reagan-National?

Can I find deals for business class flights from Allentown to Reagan-National?

What is the cheapest month to book a flight from Allentown to Washington, D.C. Reagan-National Airport?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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.

Alternative routes for Allentown to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Allentown to Reagan-National
Explore the most affordable flight options available from Allentown to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.