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Cheap flights from Allentown to Washington, D.C. from $199

This is the cheapest round-trip 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 1/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:30 am - 12:36 pm
ABE
-
IAD
5h 06m1 stop
American Airlines Logo
5:46 pm - 10:26 pm
IAD
-
ABE
4h 40m1 stop
$199American Airlines
Thu, Jan 29 - Mon, Feb 2
American Airlines Logo
1:02 pm - 5:16 pm
ABE
-
IAD
4h 14m1 stop
American Airlines Logo
5:46 pm - 10:26 pm
IAD
-
ABE
4h 40m1 stop
$279American Airlines
Fri, Jan 16 - Tue, Jan 20
American Airlines Logo
1:02 pm - 5:16 pm
ABE
-
IAD
4h 14m1 stop
American Airlines Logo
5:46 pm - 10:26 pm
IAD
-
ABE
4h 40m1 stop
$427American Airlines
Wed, Jan 28 - Fri, Jan 30
Multiple Airlines Logo
6:30 pm - 8:21 am
ABE
-
IAD
13h 51m1 stop
Multiple Airlines Logo
5:42 pm - 2:59 pm
IAD
-
ABE
21h 17m2 stops
$428Multiple Airlines
Sun, Jan 4 - Wed, Jan 7
United Airlines Logo
6:15 am - 9:08 pm
ABE
-
IAD
14h 53m2 stops
United Airlines Logo
5:15 pm - 10:41 am
IAD
-
ABE
17h 26m2 stops
$472United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
6:15 am - 9:08 pm
ABE
-
IAD
14h 53m2 stops
United Airlines Logo
5:15 pm - 10:41 am
IAD
-
ABE
17h 26m2 stops
$477United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
6:15 am - 9:21 pm
ABE
-
IAD
15h 06m2 stops
United Airlines Logo
10:19 pm - 4:22 pm
IAD
-
ABE
18h 03m2 stops
$500United Airlines
Fri, Jan 16 - Tue, Jan 20
United Airlines Logo
6:15 am - 9:08 pm
ABE
-
IAD
14h 53m2 stops
United Airlines Logo
1:05 pm - 10:41 am
IAD
-
ABE
21h 36m1 stop
$507United Airlines
Sat, Jan 10 - Wed, Jan 14
United Airlines Logo
11:30 am - 9:17 pm
ABE
-
IAD
9h 47m1 stop
United Airlines Logo
10:19 pm - 4:22 pm
IAD
-
ABE
18h 03m2 stops
$540United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
4:57 pm - 7:32 am
ABE
-
IAD
14h 35m2 stops
United Airlines Logo
5:45 pm - 10:41 am
IAD
-
ABE
16h 56m2 stops
$543United Airlines
Wed, Jan 28 - Fri, Jan 30

American Airlines flights from Allentown to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Allentown to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 29
ABE7:30 amAllentown-Bethlehem
5h 06m
1 stop
IAD12:36 pmWashington, D.C. Dulles Intl
Feb 2
IAD5:46 pmWashington, D.C. Dulles Intl
4h 40m
1 stop
ABE10:26 pmAllentown-Bethlehem
$199
Find similar
American Airlines
Jan 16
ABE1:02 pmAllentown-Bethlehem
4h 14m
1 stop
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 20
IAD5:46 pmWashington, D.C. Dulles Intl
4h 40m
1 stop
ABE10:26 pmAllentown-Bethlehem
$279
Find similar
American Airlines
Jan 28
ABE1:02 pmAllentown-Bethlehem
4h 14m
1 stop
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 30
IAD5:46 pmWashington, D.C. Dulles Intl
4h 40m
1 stop
ABE10:26 pmAllentown-Bethlehem
$427
Find similar

United Airlines flights from Allentown to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Allentown to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 10
ABE6:15 amAllentown-Bethlehem
14h 53m
2 stops
IAD9:08 pmWashington, D.C. Dulles Intl
Jan 14
IAD5:15 pmWashington, D.C. Dulles Intl
17h 26m
2 stops
ABE10:41 amAllentown-Bethlehem
$472
Find similar
United Airlines
Jan 10
ABE6:15 amAllentown-Bethlehem
14h 53m
2 stops
IAD9:08 pmWashington, D.C. Dulles Intl
Jan 14
IAD5:15 pmWashington, D.C. Dulles Intl
17h 26m
2 stops
ABE10:41 amAllentown-Bethlehem
$477
Find similar
United Airlines
Jan 16
ABE6:15 amAllentown-Bethlehem
15h 06m
2 stops
IAD9:21 pmWashington, D.C. Dulles Intl
Jan 20
IAD10:19 pmWashington, D.C. Dulles Intl
18h 03m
2 stops
ABE4:22 pmAllentown-Bethlehem
$500
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Washington, D.C. Dulles Intl 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 December 21, 2025.
Use the filters below to find and compare flights from Allentown to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 1/29

7:30 am-12:36 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Mon 2/2

5:46 pm-10:26 pm

1 stop4h 40m

$199

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 1/16

1:02 pm-5:16 pm

1 stop4h 14m

Washington, D.C. Dulles Intl

Tue 1/20

5:46 pm-10:26 pm

1 stop4h 40m

$279

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 1/28

1:02 pm-5:16 pm

1 stop4h 14m

Washington, D.C. Dulles Intl

Fri 1/30

5:46 pm-10:26 pm

1 stop4h 40m

$427

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sun 1/4

6:30 pm-8:21 am

1 stop13h 51m

Washington, D.C. Dulles Intl

Wed 1/7

5:42 pm-2:59 pm

2 stops21h 17m

$428

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 1/10

6:15 am-9:08 pm

2 stops14h 53m

Washington, D.C. Dulles Intl

Wed 1/14

5:15 pm-10:41 am

2 stops17h 26m

$472

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 1/10

6:15 am-9:08 pm

2 stops14h 53m

Washington, D.C. Dulles Intl

Wed 1/14

5:15 pm-10:41 am

2 stops17h 26m

$477

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 1/16

6:15 am-9:21 pm

2 stops15h 06m

Washington, D.C. Dulles Intl

Tue 1/20

10:19 pm-4:22 pm

2 stops18h 03m

$500

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 1/10

6:15 am-9:08 pm

2 stops14h 53m

Washington, D.C. Dulles Intl

Wed 1/14

1:05 pm-10:41 am

1 stop21h 36m

$507

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 1/29

11:30 am-9:17 pm

1 stop9h 47m

Washington, D.C. Dulles Intl

Mon 2/2

10:19 pm-4:22 pm

2 stops18h 03m

$540

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 1/28

4:57 pm-7:32 am

2 stops14h 35m

Washington, D.C. Dulles Intl

Fri 1/30

5:45 pm-10:41 am

2 stops16h 56m

$543

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. Dulles Intl 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. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $427. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Allentown to Washington, D.C. Dulles Intl Airport for around $574.

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

Flying to Washington, D.C. Dulles Intl Airport from Allentown in the morning is the least expensive time of day to depart. momondo users have found prices as low as $440 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $635 on average. Flights to Washington, D.C. Dulles Intl Airport from Allentown at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Allentown to Washington, D.C. Dulles Intl Airport

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

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

Fastest flight time

10h 32m

Direct flights

None
The fastest flight from Allentown to Washington, D.C. Dulles Intl Airport takes 10h 32m
There are no direct flights from Allentown to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Allentown to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

    There are 155.2 mi between Allentown-Bethlehem and Washington, D.C. Dulles Intl. Typically, this will take 10h 32m by plane in normal conditions.

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

    Prices for flights from Allentown-Bethlehem Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Washington, D.C. Dulles Intl 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 Allentown-Bethlehem Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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.

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
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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

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?

Yes momondo offers price alerts on flights to Washington, D.C. from Allentown. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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