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Cheap flights from Washington, D.C. Dulles Intl Airport to Allentown from $102

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Allentown departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:34 pm - 11:25 pm
IAD
-
ABE
5h 51m
1 stop
American Airlines Logo
4:57 pm - 10:55 pm
ABE
-
IAD
5h 58m
1 stop
$314American Airlines
Fri, Aug 7 - Thu, Aug 13
Multiple Airlines Logo
7:18 pm - 9:29 am
IAD
-
ABE
14h 11m
1 stop
Multiple Airlines Logo
8:00 am - 10:52 pm
ABE
-
IAD
14h 52m
2 stops
$315Multiple Airlines
Mon, Aug 10 - Thu, Aug 13
American Airlines Logo
10:27 am - 4:27 pm
IAD
-
ABE
6h 00m
1 stop
American Airlines Logo
4:57 pm - 10:55 pm
ABE
-
IAD
5h 58m
1 stop
$342American Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
7:18 pm - 9:29 am
IAD
-
ABE
14h 11m
1 stop
Multiple Airlines Logo
9:41 am - 5:45 pm
ABE
-
IAD
8h 04m
1 stop
$358Multiple Airlines
Mon, Aug 10 - Thu, Aug 13
American Airlines Logo
5:34 pm - 11:25 pm
IAD
-
ABE
5h 51m
1 stop
American Airlines Logo
4:57 pm - 10:55 pm
ABE
-
IAD
5h 58m
1 stop
$369American Airlines
Fri, Aug 7 - Thu, Aug 13
Multiple Airlines Logo
1:21 pm - 2:03 pm
IAD
-
ABE
24h 42m
1 stop
Multiple Airlines Logo
2:19 pm - 11:20 am
ABE
-
IAD
45h 01m
2 stops
$400Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
5:34 pm - 11:25 pm
IAD
-
ABE
5h 51m
1 stop
American Airlines Logo
4:57 pm - 10:55 pm
ABE
-
IAD
5h 58m
1 stop
$408American Airlines
Fri, Aug 7 - Thu, Aug 13
Multiple Airlines Logo
12:00 pm - 8:57 pm
IAD
-
ABE
32h 57m
2 stops
Multiple Airlines Logo
8:00 am - 10:25 am
ABE
-
IAD
26h 25m
1 stop
$439Multiple Airlines
Fri, Aug 7 - Thu, Aug 13
Multiple Airlines Logo
12:00 pm - 8:57 pm
IAD
-
ABE
32h 57m
2 stops
Multiple Airlines Logo
9:41 am - 5:45 pm
ABE
-
IAD
8h 04m
1 stop
$441Multiple Airlines
Fri, Aug 7 - Thu, Aug 13
Multiple Airlines Logo
12:00 pm - 12:44 pm
IAD
-
ABE
24h 44m
2 stops
Multiple Airlines Logo
9:41 am - 5:45 pm
ABE
-
IAD
8h 04m
1 stop
$443Multiple Airlines
Fri, Aug 7 - Thu, Aug 13

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American Airlines flights from Washington, D.C. Dulles Intl Airport to Allentown

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Allentown flight tickets
American Airlines
Aug 7
IAD5:34 pmWashington, D.C. Dulles Intl
5h 51m
1 stop
ABE11:25 pmAllentown-Bethlehem
Aug 13
ABE4:57 pmAllentown-Bethlehem
5h 58m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
$314
American Airlines
Aug 15
IAD10:27 amWashington, D.C. Dulles Intl
6h 00m
1 stop
ABE4:27 pmAllentown-Bethlehem
Aug 22
ABE4:57 pmAllentown-Bethlehem
5h 58m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
$342
American Airlines
Aug 7
IAD5:34 pmWashington, D.C. Dulles Intl
5h 51m
1 stop
ABE11:25 pmAllentown-Bethlehem
Aug 13
ABE4:57 pmAllentown-Bethlehem
5h 58m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
$369

United Airlines flights from Washington, D.C. Dulles Intl Airport to Allentown

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Allentown flight tickets
United Airlines
Aug 15
IAD10:22 pmWashington, D.C. Dulles Intl
11h 35m
2 stops
ABE9:57 amAllentown-Bethlehem
Aug 22
ABE6:01 pmAllentown-Bethlehem
17h 41m
2 stops
IAD11:42 amWashington, D.C. Dulles Intl
$504
United Airlines
Aug 7
IAD10:30 pmWashington, D.C. Dulles Intl
18h 36m
2 stops
ABE5:06 pmAllentown-Bethlehem
Aug 13
ABE5:36 pmAllentown-Bethlehem
18h 06m
2 stops
IAD11:42 amWashington, D.C. Dulles Intl
$575
United Airlines
Aug 7
IAD10:30 pmWashington, D.C. Dulles Intl
18h 36m
2 stops
ABE5:06 pmAllentown-Bethlehem
Aug 13
ABE5:36 pmAllentown-Bethlehem
18h 06m
2 stops
IAD11:42 amWashington, D.C. Dulles Intl
$590

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated July 17, 2026.
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
Quickest round-trip

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/7

5:34 pm-11:25 pm

1 stop5h 51m

Allentown-Bethlehem

Thu 8/13

4:57 pm-10:55 pm

1 stop5h 58m

$314

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 8/10

7:18 pm-9:29 am

1 stop14h 11m

Allentown-Bethlehem

Thu 8/13

8:00 am-10:52 pm

2 stops14h 52m

$315

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 8/15

10:27 am-4:27 pm

1 stop6h 00m

Allentown-Bethlehem

Sat 8/22

4:57 pm-10:55 pm

1 stop5h 58m

$342

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 8/10

7:18 pm-9:29 am

1 stop14h 11m

Allentown-Bethlehem

Thu 8/13

9:41 am-5:45 pm

1 stop8h 04m

$358

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/7

5:34 pm-11:25 pm

1 stop5h 51m

Allentown-Bethlehem

Thu 8/13

4:57 pm-10:55 pm

1 stop5h 58m

$369

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 8/15

1:21 pm-2:03 pm

1 stop24h 42m

Allentown-Bethlehem

Sat 8/22

2:19 pm-11:20 am

2 stops45h 01m

$400

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/7

5:34 pm-11:25 pm

1 stop5h 51m

Allentown-Bethlehem

Thu 8/13

4:57 pm-10:55 pm

1 stop5h 58m

$408

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/7

12:00 pm-8:57 pm

2 stops32h 57m

Allentown-Bethlehem

Thu 8/13

8:00 am-10:25 am

1 stop26h 25m

$439

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/7

12:00 pm-8:57 pm

2 stops32h 57m

Allentown-Bethlehem

Thu 8/13

9:41 am-5:45 pm

1 stop8h 04m

$441

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 8/7

12:00 pm-12:44 pm

2 stops24h 44m

Allentown-Bethlehem

Thu 8/13

9:41 am-5:45 pm

1 stop8h 04m

$443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Allentown from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Allentown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Allentown-Bethlehem?

United Airlines and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Allentown-Bethlehem

When to book flights from Washington, D.C. Dulles Intl Airport to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Allentown according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Allentown (IAD to ABE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Allentown

Fastest flight time

8h 18m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Allentown takes 8h 18m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Allentown. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Allentown.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Allentown

  • How far is Washington, D.C. Dulles Intl to Allentown-Bethlehem by plane?

    There are 155.2 mi between Washington, D.C. Dulles Intl and Allentown-Bethlehem. In terms of flight time, this usually takes a little over 8h 18m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Allentown-Bethlehem Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Allentown-Bethlehem Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Allentown-Bethlehem Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Allentown-Bethlehem Airport.

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The travel and health documents required for your trip to Allentown-Bethlehem Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Allentown-Bethlehem Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why should I use momondo to find a flight deal from Washington, D.C. to Allentown?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Allentown for you.

Can I find flights from Washington, D.C. to Allentown with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Allentown flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Allentown?

Once you have performed a search for Washington, D.C. to Allentown flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Allentown right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Allentown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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