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

Airlines like United Airlines and American Airlines fly from Allentown to Washington, D.C. Dulles Intl Airport in about 4h 50m. The time it takes to get you to your destination can typically vary by up to 16h 19m. There are 159 mi between Allentown and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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.

$130+ Cheap Flights from Allentown to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Allentown to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 25, 2026.

Fri 10/165:14 pm -

1 stop4h 02m

Tue 10/206:25 pm -

1 stop5h 00m

Deal found 9/21

$309

Sat 10/105:14 pm -

1 stop4h 02m

Sat 10/177:15 pm -

1 stop5h 13m

Deal found 9/22

$324

Fri 10/25:45 am -

1 stop4h 10m

Sun 10/46:32 am -

1 stop4h 33m

Deal found 9/23

$369

Wed 9/235:45 am -

1 stop6h 11m

Sun 9/275:01 am -

1 stop6h 04m

Deal found 9/22

$481

Fri 9/252:25 pm -

1 stop4h 34m

Sun 9/275:01 am -

1 stop6h 04m

Deal found 9/22

$501

Sun 10/47:55 am -

1 stop12h 14m

Thu 10/88:57 pm -

1 stop13h 41m

Deal found 9/21

$511

Sun 9/275:17 pm -

1 stop6h 31m

Wed 10/149:15 am -

1 stop7h 20m

Deal found 9/25

$529

Sun 9/271:10 pm -

2 stops30h 59m

Wed 10/146:08 pm -

1 stop20h 08m

Deal found 9/25

$599

Fri 12/115:32 pm -

2 stops18h 23m

Mon 12/1410:17 pm -

2 stops11h 34m

Deal found 9/22

$604

Fri 10/27:30 am -

2 stops16h 40m

Sun 10/411:47 am -

1 stop23h 21m

Deal found 9/23

$687

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 25, 2026.

Sat 2/610:10 am -

2 stops21h 09m

Wed 2/1010:19 pm -

2 stops15h 07m

Deal found 9/23

$559

Fri 12/115:14 pm -

1 stop4h 50m

Mon 12/147:17 pm -

1 stop4h 07m

Deal found 9/22

$604

Fri 12/115:32 pm -

2 stops18h 23m

Mon 12/145:40 pm -

1 stop16h 11m

Deal found 9/22

$694

Fri 10/165:43 pm -

2 stops13h 43m

Tue 10/208:15 am -

2 stops12h 45m

Deal found 9/21

$719

Last-minute flights from Allentown to Dulles Intl
Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated September 25, 2026 and is based on user searches.

Fri 9/252:25 pm -

1 stop4h 34m

Sun 9/275:01 am -

1 stop6h 04m

Deal found 9/22

$501

Sun 9/275:17 pm -

1 stop6h 31m

Wed 10/149:15 am -

1 stop7h 20m

Deal found 9/25

$529

Sun 9/271:10 pm -

2 stops30h 59m

Wed 10/146:08 pm -

1 stop20h 08m

Deal found 9/25

$599

Fri 10/25:45 am -

1 stop4h 10m

Sun 10/46:32 am -

1 stop4h 33m

Deal found 9/23

$369

Fri 10/27:30 am -

2 stops16h 40m

Sun 10/411:47 am -

1 stop23h 21m

Deal found 9/23

$687

Sun 10/47:55 am -

1 stop12h 14m

Thu 10/88:57 pm -

1 stop13h 41m

Deal found 9/21

$511

Sat 10/105:14 pm -

1 stop4h 02m

Sat 10/177:15 pm -

1 stop5h 13m

Deal found 9/22

$324

Sat 10/105:43 pm -

2 stops13h 37m

Sat 10/178:31 am -

2 stops12h 29m

Deal found 9/22

$718

Fri 10/165:14 pm -

1 stop4h 02m

Tue 10/206:25 pm -

1 stop5h 00m

Deal found 9/21

$309

Fri 10/165:43 pm -

2 stops13h 43m

Tue 10/208:15 am -

2 stops12h 45m

Deal found 9/21

$719

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 25, 2026.

Mon 10/194:32 pm -

1 stop17h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$130

Thu 10/155:14 pm -

1 stop4h 02m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$192

Fri 10/234:32 pm -

2 stops31h 49m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$233

Thu 10/157:40 am -

2 stops16h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$254

Fri 11/275:14 pm -

1 stop4h 47m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$337

Fri 11/275:36 pm -

2 stops18h 09m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/21

$342

Find flight deals from Allentown to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$309 (American Airlines)
One-way from	$130 (Kiwi.com)

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

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

Mon 10/19

4:32 pm-10:17 am

1 stop17h 45m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$130

Quickest round-trip

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Thu 10/15

5:14 pm-9:16 pm

1 stop4h 02m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Thu 10/15

7:40 am-12:21 am

3 stops16h 41m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$270

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Fri 11/27

5:36 pm-11:45 am

2 stops18h 09m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$342

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Wed 9/30

5:45 am-9:55 am

1 stop4h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$349

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Fri 11/27

8:00 am-12:14 pm

3 stops28h 14m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$549

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Sat 2/6

10:10 am-7:19 am

2 stops21h 09m

Washington, D.C. Dulles Intl

Wed 2/10

10:19 pm-1:26 pm

2 stops15h 07m

$559

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Fri 12/11

5:14 pm-10:04 pm

1 stop4h 50m

Washington, D.C. Dulles Intl

Mon 12/14

7:17 pm-11:24 pm

1 stop4h 07m

$604

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Fri 12/11

5:32 pm-11:55 am

2 stops18h 23m

Washington, D.C. Dulles Intl

Mon 12/14

5:40 pm-9:51 am

1 stop16h 11m

$694

AllentownWashington, D.C.

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

ABEIAD

Allentown-Bethlehem

Wed 9/30

6:20 am-9:13 pm

2 stops14h 53m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 11 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 September.

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 United Airlines and American Airlines fly from Allentown to Washington, D.C. Dulles Intl Airport in about 4h 50m. The time it takes to get you to your destination can typically vary by up to 16h 19m. There are 159 mi between Allentown and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.
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.

See more FAQs

Alexandria

Arlington

Owings Mills

Lanham

Tysons

Chantilly

Woodbridge

Reston

Herndon

Hyattsville

Rockville

Fredericksburg

Falls Church

Sterling

Hanover

Laurel

Springfield

Oxon Hill

Clinton

Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Dulles Intl flight routes

Flights by cabin class

Other flight options

Other flights from Allentown

Popular flights

Alternative routes for Allentown to Dulles Intl

John F Kennedy Intl to Reagan-National flights

LaGuardia to Dulles Intl flights

Newark to Dulles Intl flights

John F Kennedy Intl to Dulles Intl flights

LaGuardia to Reagan-National flights

Newark to Reagan-National flights

LaGuardia to Baltimore flights

Newark to Baltimore flights

John F Kennedy Intl to Baltimore flights

Pittsburgh to Dulles Intl flights

Pittsburgh to Reagan-National flights

Pittsburgh to Baltimore flights

Philadelphia to Dulles Intl flights

State College to Dulles Intl flights

Philadelphia to Baltimore flights

Philadelphia to Reagan-National flights

Scranton to Dulles Intl flights

Harrisburg to Dulles Intl flights

Scranton to Reagan-National flights

Harrisburg to Reagan-National flights

Allentown to Reagan-National flights

Harrisburg to Baltimore flights

Elmira to Reagan-National flights

Allentown to Baltimore flights

Erie to Reagan-National flights

Erie to Dulles Intl flights

Erie to Baltimore flights

Latrobe to Baltimore flights

Altoona to Baltimore flights

Hagerstown to Baltimore flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$130+ Cheap flights from Allentown (ABE) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 September 25, 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 September 25, 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 September 25, 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 September 25, 2026.

Last-minute flights from Allentown to Dulles IntlDiscover last-minute flight deals from Allentown to Dulles Intl. Data last updated September 25, 2026 and is based on user searches.

Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated September 25, 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 September 25, 2026.

Search for one-way flight options from Allentown to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.

Find flight deals from Allentown to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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 September.

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

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 September 25, 2026.

Search flights from Allentown to Dulles Intl by cabin class

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 September 25, 2026.

Other flights from Allentown

Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

100% Free

Book with Flexibility

Travel Smart

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 25, 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 September 25, 2026.

Last-minute flights from Allentown to Dulles Intl
Discover last-minute flight deals from Allentown to Dulles Intl. Data last updated September 25, 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 September 25, 2026.