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 02m. 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.

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?

When flying from Allentown to Washington, D.C. Dulles Intl 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. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Allentown-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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. Dulles Intl 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. 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.

$162+ Cheap Flights from Allentown to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Allentown to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 August 28, 2026.

Sat 9/192:25 pm -

1 stop7h 05m

Sun 10/45:01 am -

1 stop6h 04m

Deal found 8/23

$269

Fri 10/165:14 pm -

1 stop4h 02m

Mon 10/196:15 am -

1 stop5h 03m

Deal found 8/27

$289

Thu 9/105:45 am -

1 stop6h 11m

Mon 9/146:15 pm -

1 stop5h 07m

Deal found 8/26

$299

Fri 9/112:25 pm -

1 stop4h 34m

Tue 9/157:57 am -

1 stop4h 28m

Deal found 8/27

$319

Wed 9/3010:00 am -

2 stops14h 10m

Sat 10/36:13 pm -

1 stop20h 18m

Deal found 8/24

$321

Wed 10/215:14 pm -

1 stop6h 44m

Mon 10/266:15 am -

1 stop5h 03m

Deal found 8/24

$337

Sat 9/192:25 pm -

1 stop7h 05m

Mon 9/216:15 pm -

1 stop5h 07m

Deal found 8/24

$348

Thu 11/55:14 pm -

1 stop5h 21m

Sun 11/86:00 am -

1 stop5h 14m

Deal found 8/27

$363

Sat 8/296:00 am -

1 stop3h 57m

Sat 9/56:33 am -

1 stop6h 54m

Deal found 8/24

$375

Wed 9/165:45 am -

1 stop6h 11m

Thu 9/177:57 am -

1 stop4h 28m

Deal found 8/24

$380

Fri 9/44:57 pm -

1 stop5h 58m

Sun 9/66:33 am -

1 stop6h 54m

Deal found 8/27

$399

Tue 9/810:00 am -

1 stop24h 17m

Wed 9/96:13 pm -

1 stop27h 24m

Deal found 8/26

$400

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 August 28, 2026.

Fri 10/165:14 pm -

1 stop4h 02m

Mon 10/196:15 am -

1 stop5h 03m

Deal found 8/27

$289

Fri 9/189:01 pm -

1 stop13h 16m

Sun 9/207:50 am -

2 stops13h 47m

Deal found 8/27

$450

Sat 2/66:25 am -

2 stops14h 44m

Wed 2/108:36 am -

2 stops12h 36m

Deal found 8/23

$508

Sat 9/125:45 am -

1 stop4h 10m

Mon 9/146:15 pm -

1 stop5h 07m

Deal found 8/26

$299

Fri 9/112:25 pm -

1 stop4h 34m

Tue 9/157:57 am -

1 stop4h 28m

Deal found 8/27

$319

Thu 11/55:14 pm -

1 stop5h 21m

Sun 11/86:00 am -

1 stop5h 14m

Deal found 8/27

$363

Tue 9/810:00 am -

1 stop24h 17m

Wed 9/99:04 pm -

2 stops23h 21m

Deal found 8/26

$479

Wed 10/145:14 pm -

1 stop4h 02m

Fri 10/165:01 am -

1 stop6h 17m

Deal found 8/25

$380

Thu 10/156:10 am -

1 stop6h 41m

Sun 10/185:01 am -

1 stop6h 17m

Deal found 8/23

$405

Sat 9/1910:00 am -

2 stops14h 10m

Mon 9/2110:27 am -

1 stop9h 43m

Deal found 8/24

$541

Last-minute flights from Allentown to Dulles Intl
Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated August 28, 2026 and is based on user searches.

Fri 8/284:57 pm -

1 stop3h 59m

Sat 8/2910:27 am -

1 stop6h 00m

Deal found 8/24

$425

Sat 8/296:00 am -

1 stop3h 57m

Sat 9/56:33 am -

1 stop6h 54m

Deal found 8/24

$375

Fri 9/44:57 pm -

1 stop5h 58m

Sun 9/66:33 am -

1 stop6h 54m

Deal found 8/27

$399

Mon 9/76:00 am -

1 stop3h 57m

Fri 9/116:14 am -

1 stop6h 11m

Deal found 8/23

$437

Tue 9/810:00 am -

1 stop24h 17m

Wed 9/96:13 pm -

1 stop27h 24m

Deal found 8/26

$400

Thu 9/105:45 am -

1 stop6h 11m

Mon 9/146:15 pm -

1 stop5h 07m

Deal found 8/26

$299

Fri 9/112:25 pm -

1 stop4h 34m

Tue 9/157:57 am -

1 stop4h 28m

Deal found 8/27

$319

Wed 9/165:45 am -

1 stop6h 11m

Thu 9/177:57 am -

1 stop4h 28m

Deal found 8/24

$380

Fri 9/185:45 am -

1 stop4h 10m

Sun 9/205:01 am -

1 stop6h 04m

Deal found 8/27

$427

Sat 9/192:25 pm -

1 stop7h 05m

Sun 10/45:01 am -

1 stop6h 04m

Deal found 8/23

$269

Sat 9/192:25 pm -

1 stop7h 05m

Mon 9/216:15 pm -

1 stop5h 07m

Deal found 8/24

$348

Wed 9/3010:00 am -

2 stops14h 10m

Sat 10/36:13 pm -

1 stop20h 18m

Deal found 8/24

$321

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 August 28, 2026.

Wed 9/165:45 am -

1 stop6h 11m

Deal found 8/24

$162

Fri 11/65:14 pm -

1 stop5h 21m

Deal found 8/24

$219

Fri 11/65:36 pm -

2 stops18h 09m

Deal found 8/24

$252

Thu 9/32:28 pm -

1 stop30h 31m

Deal found 8/24

$301

Wed 9/165:36 pm -

2 stops18h 06m

Deal found 8/24

$341

Tue 11/105:37 am -

2 stops58h 18m

Deal found 8/26

$1,866

Find flight deals from Allentown to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$269 (American Airlines)
One-way from	$162 (American Airlines)

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

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

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

Search Deals

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

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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

Cheapest round-trip

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Fri 10/16

5:14 pm-9:16 pm

1 stop4h 02m

Washington, D.C. Dulles Intl

Mon 10/19

6:15 am-11:18 am

1 stop5h 03m

$289

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Sat 9/12

5:45 am-9:55 am

1 stop4h 10m

Washington, D.C. Dulles Intl

Mon 9/14

6:15 pm-11:22 pm

1 stop5h 07m

$299

Quickest round-trip

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Fri 9/11

2:25 pm-6:59 pm

1 stop4h 34m

Washington, D.C. Dulles Intl

Tue 9/15

7:57 am-12:25 pm

1 stop4h 28m

$319

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Thu 11/5

5:14 pm-10:35 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Sun 11/8

6:00 am-11:14 am

1 stop5h 14m

$363

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Wed 10/14

5:14 pm-9:16 pm

1 stop4h 02m

Washington, D.C. Dulles Intl

Fri 10/16

5:01 am-11:18 am

1 stop6h 17m

$380

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Thu 10/15

6:10 am-12:51 pm

1 stop6h 41m

Washington, D.C. Dulles Intl

Sun 10/18

5:01 am-11:18 am

1 stop6h 17m

$405

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Fri 9/18

9:01 pm-10:17 am

1 stop13h 16m

Washington, D.C. Dulles Intl

Sun 9/20

7:50 am-9:37 pm

2 stops13h 47m

$450

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Tue 9/8

10:00 am-10:17 am

1 stop24h 17m

Washington, D.C. Dulles Intl

Wed 9/9

9:04 pm-8:25 pm

2 stops23h 21m

$479

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Sat 2/6

6:25 am-9:09 pm

2 stops14h 44m

Washington, D.C. Dulles Intl

Wed 2/10

8:36 am-9:12 pm

2 stops12h 36m

$508

AllentownWashington, D.C.

ABE Allentown-Bethlehem - IAD Washington, D.C. Dulles Intl

ABEIAD

Allentown-Bethlehem

Sat 9/19

10:00 am-12:10 am

2 stops14h 10m

Washington, D.C. Dulles Intl

Mon 9/21

10:27 am-8:10 pm

1 stop9h 43m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Showing 1-10 of 16 resultsSorted by cheapest first

Compare providers for flights from Allentown to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Dulles Intl in August.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

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

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

ABE-IAD

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.

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 02m. 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.

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$162+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Allentown to Dulles Intl with Cheapflights

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Cheap 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 August 28, 2026.

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 August 28, 2026.

Best flights from Allentown to Dulles IntlDiscover 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 August 28, 2026.

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 August 28, 2026.

Last-minute flights from Allentown to Dulles IntlDiscover last-minute flight deals from Allentown to Dulles Intl. Data last updated August 28, 2026 and is based on user searches.

Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated August 28, 2026 and is based on user searches.

One-way flights from Allentown to Dulles IntlSearch for one-way flight options from Allentown to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Search for one-way flight options from Allentown to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.

Find flight deals from Allentown to Dulles Intl

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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.

Compare providers for flights from Allentown to Dulles Intl

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 Dulles Intl in August.

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.

Related info for your journey

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?

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

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Complete your trip

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Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 28, 2026.

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Find flights from Allentown to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Allentown and Dulles Intl flights

Browse other Allentown and Dulles Intl flight options. Last updated on August 28, 2026.

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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 August 28, 2026.

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 August 28, 2026.

Last-minute flights from Allentown to Dulles Intl
Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated August 28, 2026 and is based on user searches.

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 August 28, 2026.