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IAD - ABE

Find cheap flights from Washington Dulles Airport to Allentown from $253

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Allentown departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 4/18
Thu 4/25

Search hundreds of travel sites at once for deals on flights to Allentown

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Allentown, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Allentown, as well as popular online travel agencies
In the last 7 days travelers have searched 47,600,107 times on KAYAK, and here is why:

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from Dulles Intl to Allentown

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Allentown that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
2:57 pm - 11:10 pmIAD-ABE
8h 13m1 stop
6:00 am - 7:43 pmABE-IAD
13h 43m1 stop
$462Delta
Find Deal
Tue, Apr 30 - Sat, May 4
5:00 am - 11:21 amIAD-ABE
6h 21m1 stop
7:33 pm - 11:59 pmABE-IAD
4h 26m1 stop
$515American Airlines
Find Deal
Mon, Apr 1 - Mon, Apr 8
5:00 am - 11:21 amIAD-ABE
6h 21m1 stop
7:25 pm - 11:55 pmABE-IAD
4h 30m1 stop
$735American Airlines
Find Deal
Sat, Mar 30 - Sun, Mar 31

Flights from Dulles Intl to Allentown - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Allentown to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Washington Dulles Airport to Allentown?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Washington Dulles Airport to Allentown were found on Delta ($462) and American Airlines ($515). Allegiant Air proposed the cheapest one-way flight at $283.

How long does a flight from Washington Dulles Airport to Allentown take?

There are no direct flights for this route listed on KAYAK. The shortest multi-flight duration is 6h 21m.

Good to know

Cheapest flight

$253
Flight from Washington Dulles Airport to Allentown

When to book flights from Dulles Intl to Allentown

Are your dates flexible? Find out the best times to travel from Dulles Intl to Allentown based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Allentown flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Allentown was $253 for a one-way ticket and $462 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Allentown?

    No

  • Which aircraft models fly most regularly from Washington Dulles Airport to Allentown?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Allentown?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Washington Dulles Airport and Allentown, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Allentown?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Allentown.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Allentown?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Allentown from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Allentown?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Allentown with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and ABE can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Allentown?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Allentown from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington, D.C. to Allentown

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Allentown found on KAYAK in the last 72 hours.
4/7Sun
3 stops
38h 43mIAD-ABE
$253
4/7Sun
2 stopsAllegiant Air
22h 59mIAD-ABE
$283
4/7Sun
1 stopAmerican Airlines
6h 14mIAD-ABE
$428
3/25Mon
1 stopAmerican Airlines
17h 29mIAD-ABE
$547
3/25Mon
2 stopsUnited Airlines
10h 50mIAD-ABE
$1,103

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Washington Dulles Airport - Allentown Flights

Departure:

Washington Dulles Airport (IAD)United States

Destination:

Allentown (ABE)United States

Return flight deals:

Allentown - Washington Dulles Airport

Cabin classes: