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$444+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ABE
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Allentown (ABE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$444
(American Airlines)
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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Find flight deals from Dulles Intl to Allentown

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 April 15, 2025.

This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/208:02 pmIAD - ABE
1 stop4h 38mAmerican Airlines
Wed 5/215:27 pmABE - IAD
1 stop6h 35mAmerican Airlines
Deal found 4/15$444

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Allentown 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, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
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

Dulles Intl

Fly to

Allentown

Route

Depart

Return

Price

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Tue 5/20

8:02 pm-12:40 am

1 stop4h 38m

Allentown-Bethlehem

Wed 5/21

5:27 pm-12:02 am

1 stop6h 35m

$444

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 4/21

3:30 pm-9:25 pm

1 stop5h 55m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Allentown flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Allentown flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 Washington, D.C. Dulles Intl Airport to Allentown

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Allentown (average of $292). Flying from Washington, D.C. Dulles Intl Airport to Allentown in December is currently the most expensive (average of $395). 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.

Rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average rainfall totals by month.

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.

Temperature in Allentown by month

Plan your trip to Allentown by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated April 15, 2025.
United Airlines
7.4
Good
8,658 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,658 reviews
United Airlines
7.4
Good
8,658 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,658 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Allentown (average of $292). Flying from Washington, D.C. Dulles Intl Airport to Allentown in December is currently the most expensive (average of $395). 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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