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Cheap flights from Washington, D.C. Dulles Intl Airport to Allentown from $141

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 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:22 pm - 12:21 am
IAD
-
ABE
3h 59m
1 stop
American Airlines Logo
5:46 pm - 12:13 am
ABE
-
IAD
6h 27m
1 stop
$259American Airlines
Thu, Jun 4 - Sat, Jun 20
American Airlines Logo
8:22 pm - 12:21 am
IAD
-
ABE
3h 59m
1 stop
American Airlines Logo
5:46 pm - 12:13 am
ABE
-
IAD
6h 27m
1 stop
$289American Airlines
Fri, Jun 12 - Fri, Jun 19
Multiple Airlines Logo
10:40 am - 5:23 pm
IAD
-
ABE
6h 43m
1 stop
Multiple Airlines Logo
8:47 pm - 6:32 pm
ABE
-
IAD
21h 45m
1 stop
$385Multiple Airlines
Thu, Jun 4 - Fri, Jun 5
Allegiant Air Logo
5:06 pm - 9:40 am
IAD
-
ABE
16h 34m
1 stop
Allegiant Air Logo
6:00 pm - 3:56 pm
ABE
-
IAD
45h 56m
2 stops
$405Allegiant Air
Thu, Jun 4 - Sat, Jun 20
Multiple Airlines Logo
5:06 pm - 9:40 am
IAD
-
ABE
16h 34m
1 stop
Multiple Airlines Logo
1:31 pm - 4:52 pm
ABE
-
IAD
27h 21m
2 stops
$436Multiple Airlines
Thu, Jun 4 - Wed, Jun 17
Multiple Airlines Logo
10:40 am - 5:23 pm
IAD
-
ABE
6h 43m
1 stop
Multiple Airlines Logo
8:47 pm - 4:21 pm
ABE
-
IAD
19h 34m
2 stops
$447Multiple Airlines
Thu, Jun 4 - Fri, Jun 5
American Airlines Logo
8:22 pm - 12:21 am
IAD
-
ABE
3h 59m
1 stop
American Airlines Logo
5:46 pm - 12:13 am
ABE
-
IAD
6h 27m
1 stop
$487American Airlines
Mon, Jun 8 - Fri, Jun 12
American Airlines Logo
8:22 pm - 12:21 am
IAD
-
ABE
3h 59m
1 stop
American Airlines Logo
6:22 am - 12:36 pm
ABE
-
IAD
6h 14m
1 stop
$511American Airlines
Fri, May 29 - Sun, May 31
Multiple Airlines Logo
9:36 pm - 2:03 pm
IAD
-
ABE
16h 27m
2 stops
Multiple Airlines Logo
8:00 am - 6:42 pm
ABE
-
IAD
10h 42m
1 stop
$551Multiple Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
12:49 pm - 9:07 pm
IAD
-
ABE
8h 18m
2 stops
United Airlines Logo
2:23 pm - 11:27 am
ABE
-
IAD
21h 04m
2 stops
$561United Airlines
Sat, Jun 6 - Sat, Jun 13

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
Jun 6
IAD12:49 pmWashington, D.C. Dulles Intl
8h 18m
2 stops
ABE9:07 pmAllentown-Bethlehem
Jun 13
ABE2:23 pmAllentown-Bethlehem
21h 04m
2 stops
IAD11:27 amWashington, D.C. Dulles Intl
$561
United Airlines
Jun 6
IAD6:10 amWashington, D.C. Dulles Intl
14h 57m
1 stop
ABE9:07 pmAllentown-Bethlehem
Jun 13
ABE2:23 pmAllentown-Bethlehem
21h 04m
2 stops
IAD11:27 amWashington, D.C. Dulles Intl
$626
United Airlines
Jun 14
IAD12:49 pmWashington, D.C. Dulles Intl
8h 18m
2 stops
ABE9:07 pmAllentown-Bethlehem
Jun 18
ABE2:23 pmAllentown-Bethlehem
21h 04m
2 stops
IAD11:27 amWashington, D.C. Dulles Intl
$651

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
Jun 4
IAD8:22 pmWashington, D.C. Dulles Intl
3h 59m
1 stop
ABE12:21 amAllentown-Bethlehem
Jun 20
ABE5:46 pmAllentown-Bethlehem
6h 27m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
$259
American Airlines
Jun 12
IAD8:22 pmWashington, D.C. Dulles Intl
3h 59m
1 stop
ABE12:21 amAllentown-Bethlehem
Jun 19
ABE5:46 pmAllentown-Bethlehem
6h 27m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
$289
American Airlines
May 23
IAD8:22 pmWashington, D.C. Dulles Intl
3h 59m
1 stop
ABE12:21 amAllentown-Bethlehem
May 25
ABE5:46 pmAllentown-Bethlehem
6h 27m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
$319

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 May 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

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 6/4

8:22 pm-12:21 am

1 stop3h 59m

Allentown-Bethlehem

Sat 6/20

5:46 pm-12:13 am

1 stop6h 27m

$259

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 6/12

8:22 pm-12:21 am

1 stop3h 59m

Allentown-Bethlehem

Fri 6/19

5:46 pm-12:13 am

1 stop6h 27m

$289

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 6/4

10:40 am-5:23 pm

1 stop6h 43m

Allentown-Bethlehem

Fri 6/5

8:47 pm-6:32 pm

1 stop21h 45m

$385

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 6/4

5:06 pm-9:40 am

1 stop16h 34m

Allentown-Bethlehem

Sat 6/20

6:00 pm-3:56 pm

2 stops45h 56m

$405

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 6/4

5:06 pm-9:40 am

1 stop16h 34m

Allentown-Bethlehem

Wed 6/17

1:31 pm-4:52 pm

2 stops27h 21m

$436

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 6/4

10:40 am-5:23 pm

1 stop6h 43m

Allentown-Bethlehem

Fri 6/5

8:47 pm-4:21 pm

2 stops19h 34m

$447

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 6/8

8:22 pm-12:21 am

1 stop3h 59m

Allentown-Bethlehem

Fri 6/12

5:46 pm-12:13 am

1 stop6h 27m

$487
Quickest round-trip

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 5/29

8:22 pm-12:21 am

1 stop3h 59m

Allentown-Bethlehem

Sun 5/31

6:22 am-12:36 pm

1 stop6h 14m

$511

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 5/29

9:36 pm-2:03 pm

2 stops16h 27m

Allentown-Bethlehem

Sun 5/31

8:00 am-6:42 pm

1 stop10h 42m

$551

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 6/6

12:49 pm-9:07 pm

2 stops8h 18m

Allentown-Bethlehem

Sat 6/13

2:23 pm-11:27 am

2 stops21h 04m

$561

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?

Allegiant Air 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 use momondo?

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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