How long is the flight from Allentown to Washington, D.C. Dulles Intl Airport?

Airlines like American Airlines fly from Allentown to Washington, D.C. Dulles Intl Airport in about 4h 11m. The time it takes to get you to your destination can typically vary by up to . There are 159 mi between Allentown and Washington, D.C. Dulles Intl Airport.

What is the cheapest day to fly from Allentown to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Allentown to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl 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. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl 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 IAD?

It’s optimal to fly from Allentown to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight in the morning.

What airport do you fly from for flights from Allentown to Washington, D.C. Dulles Intl?

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. Dulles Intl. 0 airlines have flights from Allentown-Bethlehem to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Allentown-Bethlehem to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Allentown to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Allentown to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Allentown to Dulles Intl?

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

Can I find deals for business class flights from Allentown to Dulles Intl?

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

$122+ Cheap Flights from Allentown to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Allentown to Dulles Intl

Round-trip from	$353 (Kiwi.com)
One-way from	$122 (Trip.com)

From Allentown-Bethlehem to Washington, D.C. Dulles Intl

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One-way flight from Allentown-Bethlehem to Washington, D.C. Dulles Intl

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Find flight deals from Allentown to Dulles Intl

Cheapest flights from Allentown to Dulles Intl
Explore the most affordable flight options available from Allentown to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Wed 9/176:00 amABE - IAD

1 stop4h 07mAmerican Airlines

Wed 9/2411:18 amIAD - ABE

1 stop7h 12mAmerican Airlines

Deal found 9/16

$349

Fri 10/36:15 amABE - IAD

2 stops9h 34mMultiple Airlines

Fri 10/37:14 pmIAD - ABE

1 stop13h 22mMultiple Airlines

Deal found 9/15

$353

Wed 10/229:12 pmABE - IAD

2 stops19h 13mMultiple Airlines

Fri 10/2410:09 amIAD - ABE

1 stop11h 14mMultiple Airlines

Deal found 9/16

$390

Tue 10/142:43 pmABE - IAD

1 stop4h 11mAmerican Airlines

Sat 10/189:19 amIAD - ABE

1 stop4h 07mAmerican Airlines

Deal found 9/15

$423

Wed 10/12:37 pmABE - IAD

1 stop4h 14mAmerican Airlines

Sun 10/51:53 pmIAD - ABE

1 stop5h 36mAmerican Airlines

Deal found 9/16

$446

Thu 10/910:16 amABE - IAD

3 stops25h 05mMultiple Airlines

Mon 10/1310:09 amIAD - ABE

1 stop11h 14mMultiple Airlines

Deal found 9/17

$520

Fri 10/32:37 pmABE - IAD

1 stop4h 14mAmerican Airlines

Sun 10/51:53 pmIAD - ABE

1 stop5h 36mAmerican Airlines

Deal found 9/16

$541

Thu 10/95:53 pmABE - IAD

1 stop6h 00mAmerican Airlines

Mon 10/136:34 amIAD - ABE

1 stop6h 52mAmerican Airlines

Deal found 9/17

$545

Wed 10/222:43 pmABE - IAD

1 stop4h 11mAmerican Airlines

Fri 10/248:09 amIAD - ABE

1 stop29h 17mAmerican Airlines

Deal found 9/16

$569

Wed 10/16:30 amABE - IAD

2 stops14h 40mUnited Airlines

Sun 10/510:23 pmIAD - ABE

2 stops12h 15mUnited Airlines

Deal found 9/16

$578

Best flights from Allentown to Dulles Intl
Discover carefully curated flight deals from Allentown to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Fri 10/36:15 amABE - IAD

2 stops9h 34mMultiple Airlines

Fri 10/37:14 pmIAD - ABE

1 stop13h 22mMultiple Airlines

Deal found 9/15

$353

Tue 10/142:43 pmABE - IAD

1 stop4h 11mAmerican Airlines

Sat 10/189:19 amIAD - ABE

1 stop4h 07mAmerican Airlines

Deal found 9/15

$423

Wed 10/16:30 amABE - IAD

2 stops14h 40mUnited Airlines

Sun 10/510:23 pmIAD - ABE

2 stops12h 15mUnited Airlines

Deal found 9/16

$578

Wed 10/229:12 pmABE - IAD

2 stops19h 13mMultiple Airlines

Fri 10/2410:09 amIAD - ABE

1 stop11h 14mMultiple Airlines

Deal found 9/16

$390

Wed 10/12:37 pmABE - IAD

1 stop4h 14mAmerican Airlines

Sun 10/51:53 pmIAD - ABE

1 stop5h 36mAmerican Airlines

Deal found 9/16

$446

Thu 10/910:16 amABE - IAD

3 stops25h 05mMultiple Airlines

Mon 10/1310:09 amIAD - ABE

1 stop11h 14mMultiple Airlines

Deal found 9/17

$520

Tue 10/145:28 pmABE - IAD

2 stops13h 50mUnited Airlines

Sat 10/188:25 amIAD - ABE

2 stops13h 29mUnited Airlines

Deal found 9/15

$591

Thu 10/95:53 pmABE - IAD

1 stop6h 00mAmerican Airlines

Mon 10/136:34 amIAD - ABE

1 stop6h 52mAmerican Airlines

Deal found 9/17

$545

Wed 10/222:43 pmABE - IAD

1 stop4h 11mAmerican Airlines

Fri 10/248:09 amIAD - ABE

1 stop29h 17mAmerican Airlines

Deal found 9/16

$569

Fri 12/127:31 amABE - IAD

1 stop6h 03mAmerican Airlines

Sat 12/138:05 pmIAD - ABE

1 stop20h 39mAmerican Airlines

Deal found 9/15

$608

Last-minute flights from Allentown to Dulles Intl
Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated September 17, 2025 and is based on user searches.

Wed 9/176:00 amABE - IAD

1 stop4h 07mAmerican Airlines

Wed 9/2411:18 amIAD - ABE

1 stop7h 12mAmerican Airlines

Deal found 9/16

$349

Wed 10/12:37 pmABE - IAD

1 stop4h 14mAmerican Airlines

Sun 10/51:53 pmIAD - ABE

1 stop5h 36mAmerican Airlines

Deal found 9/16

$446

Wed 10/16:30 amABE - IAD

2 stops14h 40mUnited Airlines

Sun 10/510:23 pmIAD - ABE

2 stops12h 15mUnited Airlines

Deal found 9/16

$578

Fri 10/36:15 amABE - IAD

2 stops9h 34mMultiple Airlines

Fri 10/37:14 pmIAD - ABE

1 stop13h 22mMultiple Airlines

Deal found 9/15

$353

Fri 10/32:37 pmABE - IAD

1 stop4h 14mAmerican Airlines

Sun 10/51:53 pmIAD - ABE

1 stop5h 36mAmerican Airlines

Deal found 9/16

$541

Thu 10/910:16 amABE - IAD

3 stops25h 05mMultiple Airlines

Mon 10/1310:09 amIAD - ABE

1 stop11h 14mMultiple Airlines

Deal found 9/17

$520

Thu 10/95:53 pmABE - IAD

1 stop6h 00mAmerican Airlines

Mon 10/136:34 amIAD - ABE

1 stop6h 52mAmerican Airlines

Deal found 9/17

$545

Tue 10/142:43 pmABE - IAD

1 stop4h 11mAmerican Airlines

Sat 10/189:19 amIAD - ABE

1 stop4h 07mAmerican Airlines

Deal found 9/15

$423

Wed 10/229:12 pmABE - IAD

2 stops19h 13mMultiple Airlines

Fri 10/2410:09 amIAD - ABE

1 stop11h 14mMultiple Airlines

Deal found 9/16

$390

Wed 10/222:43 pmABE - IAD

1 stop4h 11mAmerican Airlines

Fri 10/248:09 amIAD - ABE

1 stop29h 17mAmerican Airlines

Deal found 9/16

$569

One-way flights from Allentown to Dulles Intl
Search for one-way flight options from Allentown to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Thu 10/26:30 amABE - IAD

1 stop11h 54mMultiple Airlines

Deal found 9/17

$122

Fri 9/269:00 amABE - IAD

3 stops38h 55mMultiple Airlines

Deal found 9/16

$238

Sun 9/216:30 amABE - IAD

2 stops27h 29mAllegiant Air

Deal found 9/16

$259

Sat 10/251:00 pmABE - IAD

2 stops18h 09mUnited Airlines

Deal found 9/15

$260

Sun 9/211:00 pmABE - IAD

3 stops35h 15mMultiple Airlines

Deal found 9/16

$273

Thu 10/21:00 pmABE - IAD

2 stops8h 25mUnited Airlines

Deal found 9/17

$352

Fri 9/266:00 amABE - IAD

1 stop6h 18mAmerican Airlines

Deal found 9/16

$389

Cheapflights Fare Finder

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

Fri 10/3

6:15 am-3:49 pm

2 stops9h 34m

Washington, D.C. Dulles Intl

Fri 10/3

7:14 pm-8:36 am

1 stop13h 22m

$353

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 10/22

9:12 pm-4:25 pm

2 stops19h 13m

Washington, D.C. Dulles Intl

Fri 10/24

10:09 am-9:23 pm

1 stop11h 14m

$390

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 10/14

2:43 pm-6:54 pm

1 stop4h 11m

Washington, D.C. Dulles Intl

Sat 10/18

9:19 am-1:26 pm

1 stop4h 07m

$423

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 10/1

2:37 pm-6:51 pm

1 stop4h 14m

Washington, D.C. Dulles Intl

Sun 10/5

1:53 pm-7:29 pm

1 stop5h 36m

$446

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 10/9

10:16 am-11:21 am

3 stops25h 05m

Washington, D.C. Dulles Intl

Mon 10/13

10:09 am-9:23 pm

1 stop11h 14m

$520

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Thu 10/9

5:53 pm-11:53 pm

1 stop6h 00m

Washington, D.C. Dulles Intl

Mon 10/13

6:34 am-1:26 pm

1 stop6h 52m

$545

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 10/22

2:43 pm-6:54 pm

1 stop4h 11m

Washington, D.C. Dulles Intl

Fri 10/24

8:09 am-1:26 pm

1 stop29h 17m

$569

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Wed 10/1

6:30 am-9:10 pm

2 stops14h 40m

Washington, D.C. Dulles Intl

Sun 10/5

10:23 pm-10:38 am

2 stops12h 15m

$578

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Tue 10/14

5:28 pm-7:18 am

2 stops13h 50m

Washington, D.C. Dulles Intl

Sat 10/18

8:25 am-9:54 pm

2 stops13h 29m

$591

AllentownWashington, D.C.

ABE - IAD

ABEIAD

Allentown-Bethlehem

Fri 12/12

7:31 am-1:34 pm

1 stop6h 03m

Washington, D.C. Dulles Intl

Sat 12/13

8:05 pm-4:44 pm

1 stop20h 39m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 17 results

Best time to book a flight from Allentown to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

What is the cheapest month to book a flight from Allentown to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Allentown to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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. Dulles Intl?
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. Dulles Intl. 0 airlines have flights from Allentown-Bethlehem to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Allentown-Bethlehem to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.
How long is the flight from Allentown to Washington, D.C. Dulles Intl Airport?
Airlines like American Airlines fly from Allentown to Washington, D.C. Dulles Intl Airport in about 4h 11m. The time it takes to get you to your destination can typically vary by up to . There are 159 mi between Allentown and Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Allentown to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Allentown to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Allentown to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Dulles Intl.
Can I find deals for business class flights from Allentown to Dulles Intl?
Yes. Cheapflights offers flight deals from Allentown to Dulles Intl 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. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Allentown to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Allentown to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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$122+ Cheap flights from Allentown (ABE) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Allentown to Dulles Intl

Cheapest flights from Allentown to Dulles IntlExplore the most affordable flight options available from Allentown to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from Allentown to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Allentown to Dulles Intl

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

Cheapflights Insights

Everything you need to know about your flight from Allentown to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Allentown to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Allentown to Dulles Intl. 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. Dulles Intl?

How long is the flight from Allentown to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Allentown to Dulles Intl that include hotel bookings?

How can I find direct flights from Allentown to Dulles Intl?

Can I find deals for business class flights from Allentown to Dulles Intl?

What is the cheapest month to book a flight from Allentown to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Cheapest flights from Allentown to Dulles Intl
Explore the most affordable flight options available from Allentown to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.