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

United Airlines, American Airlines, and Delta 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 93% 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 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.

$145 Cheap Flights from Allentown to Washington, D.C. in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Allentown to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 11:50 pm

ABE

DCA

4h 40m

1 stop

11:56 am - 6:40 pm

DCA

ABE

6h 44m

1 stop

$254American Airlines

Tue, Jul 28 - Sat, Aug 1

8:00 am - 4:33 pm

ABE

IAD

8h 33m

1 stop

5:28 pm - 9:28 am

IAD

ABE

16h 00m

1 stop

$312Multiple Airlines

Thu, Jul 30 - Mon, Aug 3

9:00 am - 5:54 pm

ABE

IAD

8h 54m

1 stop

6:10 am - 9:06 pm

IAD

ABE

38h 56m

2 stops

$332Multiple Airlines

Thu, Apr 9 - Thu, Apr 23

7:10 pm - 11:58 pm

ABE

IAD

4h 48m

1 stop

5:45 pm - 12:19 am

IAD

ABE

6h 34m

1 stop

$334American Airlines

Tue, Jul 28 - Sat, Aug 1

6:00 pm - 8:23 am

ABE

BWI

14h 23m

1 stop

5:45 pm - 9:28 am

BWI

ABE

15h 43m

1 stop

$347Multiple Airlines

Thu, Jul 30 - Mon, Aug 3

9:00 am - 5:54 pm

ABE

IAD

8h 54m

1 stop

12:20 pm - 12:11 pm

IAD

ABE

23h 51m

1 stop

$366Multiple Airlines

Thu, Apr 9 - Thu, Apr 23

8:00 am - 4:33 pm

ABE

IAD

8h 33m

1 stop

3:16 pm - 9:28 am

IAD

ABE

18h 12m

2 stops

$375Multiple Airlines

Thu, Jul 30 - Mon, Aug 3

2:05 pm - 9:14 am

ABE

BWI

19h 09m

1 stop

8:43 pm - 2:45 pm

BWI

ABE

18h 02m

1 stop

$378Multiple Airlines

Mon, Mar 16 - Fri, Mar 20

2:23 pm - 11:27 am

ABE

IAD

21h 04m

2 stops

10:30 pm - 1:48 pm

IAD

ABE

15h 18m

2 stops

$475United Airlines

Thu, Jul 30 - Mon, Aug 3

5:40 pm - 10:02 am

ABE

BWI

16h 22m

1 stop

6:50 pm - 9:48 am

BWI

ABE

14h 58m

1 stop

$569United Airlines

Sat, Apr 25 - Thu, Apr 30

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

Our best United Airlines deals on Allentown to Washington, D.C. flight tickets

United Airlines

Jul 30

ABE2:23 pmAllentown-Bethlehem

21h 04m

2 stops

IAD11:27 amWashington, D.C. Dulles Intl

Aug 3

IAD10:30 pmWashington, D.C. Dulles Intl

15h 18m

2 stops

ABE1:48 pmAllentown-Bethlehem

$475

United Airlines

Apr 25

ABE5:40 pmAllentown-Bethlehem

16h 22m

1 stop

BWI10:02 amBaltimore/Washington

Apr 30

BWI6:50 pmBaltimore/Washington

14h 58m

1 stop

ABE9:48 amAllentown-Bethlehem

$569

United Airlines

Jul 28

ABE2:23 pmAllentown-Bethlehem

21h 04m

2 stops

IAD11:27 amWashington, D.C. Dulles Intl

Aug 1

IAD10:10 pmWashington, D.C. Dulles Intl

15h 38m

2 stops

ABE1:48 pmAllentown-Bethlehem

$589

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

Our best American Airlines deals on Allentown to Washington, D.C. flight tickets

American Airlines

Jul 28

ABE7:10 pmAllentown-Bethlehem

4h 40m

1 stop

DCA11:50 pmWashington, D.C. Reagan-National

Aug 1

DCA11:56 amWashington, D.C. Reagan-National

6h 44m

1 stop

ABE6:40 pmAllentown-Bethlehem

$254

American Airlines

Mar 7

ABE12:00 pmAllentown-Bethlehem

5h 23m

1 stop

DCA5:23 pmWashington, D.C. Reagan-National

Mar 10

DCA7:01 amWashington, D.C. Reagan-National

4h 39m

1 stop

ABE11:40 amAllentown-Bethlehem

$259

American Airlines

Mar 7

ABE12:00 pmAllentown-Bethlehem

4h 16m

1 stop

IAD4:16 pmWashington, D.C. Dulles Intl

Mar 10

IAD5:00 amWashington, D.C. Dulles Intl

6h 40m

1 stop

ABE11:40 amAllentown-Bethlehem

$309

momondo Fare Finder

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

AllentownWashington, D.C.

ABE - DCA

ABEDCA

Allentown-Bethlehem

Tue 7/28

7:10 pm-11:50 pm

1 stop4h 40m

Washington, D.C. Reagan-National

Sat 8/1

11:56 am-6:40 pm

1 stop6h 44m

$254

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 7/30

8:00 am-4:33 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Mon 8/3

5:28 pm-9:28 am

1 stop16h 00m

$312

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 4/9

9:00 am-5:54 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Thu 4/23

6:10 am-9:06 pm

2 stops38h 56m

$332

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 7/28

7:10 pm-11:58 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Sat 8/1

5:45 pm-12:19 am

1 stop6h 34m

$334

AllentownBaltimore

ABE - BWI

ABEBWI

Allentown-Bethlehem

Thu 7/30

6:00 pm-8:23 am

1 stop14h 23m

Baltimore/Washington

Mon 8/3

5:45 pm-9:28 am

1 stop15h 43m

$347

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 4/9

9:00 am-5:54 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Thu 4/23

12:20 pm-12:11 pm

1 stop23h 51m

$366

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 7/30

8:00 am-4:33 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Mon 8/3

3:16 pm-9:28 am

2 stops18h 12m

$375

AllentownBaltimore

ABE - BWI

ABEBWI

Allentown-Bethlehem

Mon 3/16

2:05 pm-9:14 am

1 stop19h 09m

Baltimore/Washington

Fri 3/20

8:43 pm-2:45 pm

1 stop18h 02m

$378

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 7/30

2:23 pm-11:27 am

2 stops21h 04m

Washington, D.C. Dulles Intl

Mon 8/3

10:30 pm-1:48 pm

2 stops15h 18m

$475

AllentownBaltimore

ABE - BWI

ABEBWI

Allentown-Bethlehem

Sat 4/25

5:40 pm-10:02 am

1 stop16h 22m

Baltimore/Washington

Thu 4/30

6:50 pm-9:48 am

1 stop14h 58m

$569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Allentown is on a Friday. momondo users have found tickets for Friday departures for as low as $334. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Allentown to Washington, D.C. for around $429.

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

In the morning is the cheapest time of day to fly from Allentown to Washington, D.C. when you can find flight prices for as low as $359. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $432. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 29m
Direct flights	None

The fastest flight from Allentown to Washington, D.C. takes 5h 29m

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

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 29m.
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.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Silver Spring

Gaithersburg

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Bethesda

Fairfax

Linthicum Heights

Reston

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 4/1

Wed 4/8

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Allentown

Complete your trip

Feeling lucky

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Allentown to Washington, D.C. from $145

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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Allentown to Washington, D.C.

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Our best United Airlines deals on Allentown to Washington, D.C. flight tickets

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

Our best American Airlines deals on Allentown to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

What is the cheapest day to depart on your flight to Washington, D.C.?

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

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

What airlines fly to Washington, D.C.?

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

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

Direct flights

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

Why use momondo?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Allentown

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year