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

For as low as $339, American Airlines can have you in Allentown from Washington, D.C. Dulles Intl Airport in 5h. There are 159 mi between Washington, D.C. Dulles Intl Airport and Allentown. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

If weather is an important factor for your trip to Allentown, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from IAD to ABE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Allentown as you normally would.

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

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Allentown 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 Washington, D.C. Dulles Intl Airport-Allentown flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Allentown. 0 airlines have flights to Allentown-Bethlehem from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Allentown-Bethlehem should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

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

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

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

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

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

$179+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Allentown

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Cheap flight deals from Dulles Intl to Allentown

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dulles Intl to Allentown
Explore the most affordable flight options available from Dulles Intl to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.

Sat 10/247:15 pm -

1 stop5h 13m

Wed 10/286:10 am -

1 stop6h 41m

Deal found 10/9

$339

Mon 11/911:16 am -

1 stop11h 23m

Mon 11/164:36 pm -

1 stop17h 45m

Deal found 10/10

$357

Wed 11/117:00 am -

1 stop5h 24m

Wed 11/1812:55 pm -

1 stop5h 52m

Deal found 10/12

$362

Wed 10/286:15 am -

1 stop5h 03m

Wed 11/412:55 pm -

1 stop5h 52m

Deal found 10/10

$393

Fri 11/208:07 pm -

1 stop4h 10m

Sun 11/225:14 pm -

1 stop4h 47m

Deal found 10/10

$405

Sat 10/175:01 am -

1 stop6h 17m

Mon 10/195:14 pm -

1 stop6h 44m

Deal found 10/12

$415

Wed 10/286:07 pm -

1 stop20h 09m

Sun 11/19:52 am -

2 stops24h 29m

Deal found 10/12

$434

Mon 10/266:15 am -

1 stop5h 03m

Fri 10/305:14 pm -

1 stop6h 44m

Deal found 10/11

$447

Mon 10/2611:12 am -

1 stop11h 16m

Fri 10/308:56 pm -

2 stops35h 30m

Deal found 10/11

$490

Sat 10/246:15 am -

1 stop5h 03m

Sun 10/256:10 am -

1 stop6h 41m

Deal found 10/12

$589

Mon 11/912:55 pm -

2 stops8h 07m

Mon 11/165:36 pm -

2 stops18h 09m

Deal found 10/10

$603

Mon 11/97:17 pm -

1 stop4h 07m

Mon 11/1612:55 pm -

1 stop5h 52m

Deal found 10/10

$627

Best flights from Dulles Intl to Allentown
Discover carefully curated flight deals from Dulles Intl to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.

Tue 10/276:25 pm -

1 stop5h 00m

Sat 10/316:10 am -

1 stop6h 41m

Deal found 10/12

$339

Mon 11/911:16 am -

1 stop11h 23m

Mon 11/164:36 pm -

1 stop17h 45m

Deal found 10/10

$357

Wed 1/68:25 am -

2 stops12h 26m

Sun 1/105:20 pm -

2 stops18h 35m

Deal found 10/9

$559

Wed 1/134:13 pm -

1 stop7h 10m

Thu 1/1412:48 pm -

1 stop5h 56m

Deal found 10/9

$383

Wed 10/286:07 pm -

1 stop20h 09m

Sun 11/19:52 am -

2 stops24h 29m

Deal found 10/12

$434

Mon 11/912:55 pm -

2 stops8h 07m

Mon 11/165:36 pm -

2 stops18h 09m

Deal found 10/10

$603

Sat 10/2412:40 pm -

2 stops8h 20m

Wed 10/285:36 pm -

2 stops18h 09m

Deal found 10/9

$638

Last-minute flights from Dulles Intl to Allentown
Discover last-minute flight deals from Dulles Intl to Allentown. Data last updated October 14, 2026 and is based on user searches.

Sat 10/175:01 am -

1 stop6h 17m

Mon 10/195:14 pm -

1 stop6h 44m

Deal found 10/12

$415

Sat 10/247:15 pm -

1 stop5h 13m

Wed 10/286:10 am -

1 stop6h 41m

Deal found 10/9

$339

Sat 10/246:15 am -

1 stop5h 03m

Sun 10/256:10 am -

1 stop6h 41m

Deal found 10/12

$589

Mon 10/266:15 am -

1 stop5h 03m

Fri 10/305:14 pm -

1 stop6h 44m

Deal found 10/11

$447

Mon 10/2611:12 am -

1 stop11h 16m

Fri 10/308:56 pm -

2 stops35h 30m

Deal found 10/11

$490

Wed 10/286:15 am -

1 stop5h 03m

Wed 11/412:55 pm -

1 stop5h 52m

Deal found 10/10

$393

Wed 10/286:07 pm -

1 stop20h 09m

Sun 11/19:52 am -

2 stops24h 29m

Deal found 10/12

$434

Mon 11/911:16 am -

1 stop11h 23m

Mon 11/164:36 pm -

1 stop17h 45m

Deal found 10/10

$357

Mon 11/912:55 pm -

2 stops8h 07m

Mon 11/165:36 pm -

2 stops18h 09m

Deal found 10/10

$603

Mon 11/97:17 pm -

1 stop4h 07m

Mon 11/1612:55 pm -

1 stop5h 52m

Deal found 10/10

$627

Wed 11/117:00 am -

1 stop5h 24m

Wed 11/1812:55 pm -

1 stop5h 52m

Deal found 10/12

$362

Fri 11/208:07 pm -

1 stop4h 10m

Sun 11/225:14 pm -

1 stop4h 47m

Deal found 10/10

$405

One-way flights from Dulles Intl to Allentown
Search for one-way flight options from Dulles Intl to Allentown. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.

Tue 11/249:35 pm -

1 stop23h 54m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$179

Sat 11/218:05 pm -

1 stop4h 12m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/9

$192

Wed 11/256:00 am -

1 stop5h 19m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$224

Wed 11/256:50 am -

2 stops14h 39m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$325

Sat 11/2112:55 pm -

2 stops8h 07m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/9

$365

Find flight deals from Dulles Intl to Allentown

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (American Airlines)
One-way from	$179 (Kiwi.com)

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

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

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

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

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Tue 11/24

9:35 pm-9:29 pm

1 stop23h 54m

Allentown-Bethlehem

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$179

Quickest round-trip

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Sat 11/21

8:05 pm-12:17 am

1 stop4h 12m

Allentown-Bethlehem

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Wed 11/25

6:00 am-11:19 am

1 stop5h 19m

Allentown-Bethlehem

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$224

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Wed 11/25

6:50 am-9:29 pm

2 stops14h 39m

Allentown-Bethlehem

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$325

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Tue 10/27

6:25 pm-11:25 pm

1 stop5h 00m

Allentown-Bethlehem

Sat 10/31

6:10 am-12:51 pm

1 stop6h 41m

$339

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Mon 11/9

11:16 am-10:39 pm

1 stop11h 23m

Allentown-Bethlehem

Mon 11/16

4:36 pm-10:21 am

1 stop17h 45m

$357

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Sat 11/21

12:55 pm-9:02 pm

2 stops8h 07m

Allentown-Bethlehem

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$365

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Wed 1/13

4:13 pm-11:23 pm

1 stop7h 10m

Allentown-Bethlehem

Thu 1/14

12:48 pm-6:44 pm

1 stop5h 56m

$383

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Wed 10/28

6:07 pm-2:16 pm

1 stop20h 09m

Allentown-Bethlehem

Sun 11/1

9:52 am-10:21 am

2 stops24h 29m

$434

Washington, D.C.Allentown

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

IADABE

Washington, D.C. Dulles Intl

Wed 1/6

8:25 am-8:51 pm

2 stops12h 26m

Allentown-Bethlehem

Sun 1/10

5:20 pm-11:55 am

2 stops18h 35m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 12 resultsSorted by cheapest first

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

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

IAD-ABE

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 into for flights to Allentown from Washington, D.C. Dulles Intl?
Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Allentown. 0 airlines have flights to Allentown-Bethlehem from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Allentown-Bethlehem should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.
How long is the flight from Washington, D.C. Dulles Intl Airport to Allentown?
For as low as $339, American Airlines can have you in Allentown from Washington, D.C. Dulles Intl Airport in 5h. There are 159 mi between Washington, D.C. Dulles Intl Airport and Allentown. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Dulles Intl to Allentown that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Allentown?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Allentown.
Can I find deals for business class flights from Dulles Intl to Allentown?
Yes. Cheapflights offers flight deals from Dulles Intl to Allentown 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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$179+ Cheap flights from Dulles Intl (IAD) to Allentown (ABE)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Allentown with Cheapflights

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Cheap flight deals from Dulles Intl to Allentown

Cheapest flights from Dulles Intl to AllentownExplore the most affordable flight options available from Dulles Intl to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.

Explore the most affordable flight options available from Dulles Intl to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.

Best flights from Dulles Intl to AllentownDiscover carefully curated flight deals from Dulles Intl to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.

Discover carefully curated flight deals from Dulles Intl to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.

Last-minute flights from Dulles Intl to AllentownDiscover last-minute flight deals from Dulles Intl to Allentown. Data last updated October 14, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Allentown. Data last updated October 14, 2026 and is based on user searches.

One-way flights from Dulles Intl to AllentownSearch for one-way flight options from Dulles Intl to Allentown. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.

Search for one-way flight options from Dulles Intl to Allentown. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.

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

Best time to book a flight from Dulles Intl to Allentown

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

Related info for your journey

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

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

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

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

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

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Other flights to Allentown

Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.

Alternative routes for Dulles Intl to Allentown

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Complete your trip

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Dulles Intl and Allentown flights

Browse other Dulles Intl and Allentown flight options. Last updated on October 14, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.

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Cheapest flights from Dulles Intl to Allentown
Explore the most affordable flight options available from Dulles Intl to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.

Best flights from Dulles Intl to Allentown
Discover carefully curated flight deals from Dulles Intl to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.

Last-minute flights from Dulles Intl to Allentown
Discover last-minute flight deals from Dulles Intl to Allentown. Data last updated October 14, 2026 and is based on user searches.

One-way flights from Dulles Intl to Allentown
Search for one-way flight options from Dulles Intl to Allentown. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.