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Cheap flights from Allentown to Washington, D.C. from $213

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 7/3. 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

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:04 am - 1:32 pm
ABE
-
IAD
7h 28m
1 stop
American Airlines Logo
5:00 am - 11:30 am
IAD
-
ABE
6h 30m
1 stop
$516American Airlines
Fri, Apr 3 - Sun, Apr 5
American Airlines Logo
12:57 pm - 6:41 pm
ABE
-
IAD
5h 44m
1 stop
American Airlines Logo
7:26 pm - 11:28 pm
IAD
-
ABE
4h 02m
1 stop
$518American Airlines
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
12:57 pm - 6:41 pm
ABE
-
IAD
5h 44m
1 stop
American Airlines Logo
6:25 am - 11:27 am
IAD
-
ABE
5h 02m
1 stop
$533American Airlines
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
5:43 pm - 7:19 am
ABE
-
IAD
13h 36m
2 stops
United Airlines Logo
8:15 am - 9:17 pm
IAD
-
ABE
13h 02m
2 stops
$606United Airlines
Sat, Apr 11 - Sat, Apr 18
American Airlines Logo
6:04 am - 2:51 pm
ABE
-
IAD
8h 47m
1 stop
American Airlines Logo
3:26 pm - 12:22 am
IAD
-
ABE
8h 56m
1 stop
$655American Airlines
Sat, Apr 11 - Sat, Apr 18
United Airlines Logo
5:43 pm - 11:36 am
ABE
-
IAD
17h 53m
2 stops
United Airlines Logo
8:20 am - 5:05 pm
IAD
-
ABE
8h 45m
1 stop
$657United Airlines
Sat, Apr 11 - Sat, Apr 18
Multiple Airlines Logo
6:30 am - 8:50 pm
ABE
-
IAD
14h 20m
2 stops
Multiple Airlines Logo
6:39 pm - 12:11 pm
IAD
-
ABE
17h 32m
1 stop
$663Multiple Airlines
Fri, Apr 3 - Sun, Apr 5
Multiple Airlines Logo
1:38 pm - 12:36 am
ABE
-
IAD
10h 58m
2 stops
Multiple Airlines Logo
8:30 pm - 2:56 pm
IAD
-
ABE
18h 26m
1 stop
$664Multiple Airlines
Fri, Apr 3 - Sat, Apr 4
United Airlines Logo
10:35 am - 9:13 pm
ABE
-
IAD
10h 38m
2 stops
United Airlines Logo
8:33 am - 9:17 pm
IAD
-
ABE
12h 44m
2 stops
$736United Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
5:43 pm - 11:27 am
ABE
-
IAD
17h 44m
2 stops
United Airlines Logo
10:33 pm - 5:03 pm
IAD
-
ABE
18h 30m
2 stops
$737United Airlines
Fri, Apr 3 - Sat, Apr 4

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
Mar 31
ABE7:41 amAllentown-Bethlehem
6h 58m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
Apr 4
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
$459
American Airlines
Apr 1
ABE6:04 amAllentown-Bethlehem
7h 28m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
Apr 4
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
$513
American Airlines
Apr 3
ABE6:04 amAllentown-Bethlehem
7h 28m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
Apr 5
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
$516

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
Apr 11
ABE5:43 pmAllentown-Bethlehem
13h 36m
2 stops
IAD7:19 amWashington, D.C. Dulles Intl
Apr 18
IAD8:15 amWashington, D.C. Dulles Intl
13h 02m
2 stops
ABE9:17 pmAllentown-Bethlehem
$606
United Airlines
Apr 11
ABE5:43 pmAllentown-Bethlehem
17h 53m
2 stops
IAD11:36 amWashington, D.C. Dulles Intl
Apr 18
IAD8:20 amWashington, D.C. Dulles Intl
8h 45m
1 stop
ABE5:05 pmAllentown-Bethlehem
$657
United Airlines
Apr 7
ABE10:35 amAllentown-Bethlehem
10h 38m
2 stops
IAD9:13 pmWashington, D.C. Dulles Intl
Apr 14
IAD8:33 amWashington, D.C. Dulles Intl
12h 44m
2 stops
ABE9:17 pmAllentown-Bethlehem
$736

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 March 24, 2026.
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

Cheapest round-trip

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 4/3

6:04 am-1:32 pm

1 stop7h 28m

Washington, D.C. Dulles Intl

Sun 4/5

5:00 am-11:30 am

1 stop6h 30m

$516
Quickest round-trip

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 4/7

12:57 pm-6:41 pm

1 stop5h 44m

Washington, D.C. Dulles Intl

Tue 4/14

7:26 pm-11:28 pm

1 stop4h 02m

$518

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 4/7

12:57 pm-6:41 pm

1 stop5h 44m

Washington, D.C. Dulles Intl

Sat 4/11

6:25 am-11:27 am

1 stop5h 02m

$533

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 4/11

5:43 pm-7:19 am

2 stops13h 36m

Washington, D.C. Dulles Intl

Sat 4/18

8:15 am-9:17 pm

2 stops13h 02m

$606

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 4/11

6:04 am-2:51 pm

1 stop8h 47m

Washington, D.C. Dulles Intl

Sat 4/18

3:26 pm-12:22 am

1 stop8h 56m

$655

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Sat 4/11

5:43 pm-11:36 am

2 stops17h 53m

Washington, D.C. Dulles Intl

Sat 4/18

8:20 am-5:05 pm

1 stop8h 45m

$657

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 4/3

6:30 am-8:50 pm

2 stops14h 20m

Washington, D.C. Dulles Intl

Sun 4/5

6:39 pm-12:11 pm

1 stop17h 32m

$663

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 4/3

1:38 pm-12:36 am

2 stops10h 58m

Washington, D.C. Dulles Intl

Sat 4/4

8:30 pm-2:56 pm

1 stop18h 26m

$664

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 4/7

10:35 am-9:13 pm

2 stops10h 38m

Washington, D.C. Dulles Intl

Tue 4/14

8:33 am-9:17 pm

2 stops12h 44m

$736

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 4/3

5:43 pm-11:27 am

2 stops17h 44m

Washington, D.C. Dulles Intl

Sat 4/4

10:33 pm-5:03 pm

2 stops18h 30m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest 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 $410. 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 $532.

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 $424 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $604 on average. Flights to Washington, D.C. Dulles Intl Airport from Allentown in the afternoon 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 38m

Direct flights

None
The fastest flight from Allentown to Washington, D.C. Dulles Intl Airport takes 10h 38m
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 38m 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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

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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