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Cheap flights from Washington, D.C. Dulles Intl Airport to Allentown from $244

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 5/8. 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.
Allegiant Air Logo
2:23 pm - 6:11 pm
IAD
-
ABE
27h 48m
1 stop
Allegiant Air Logo
10:34 am - 8:01 pm
ABE
-
IAD
9h 27m
1 stop
$273Allegiant Air
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
6:00 am - 8:10 pm
IAD
-
ABE
14h 10m
2 stops
Multiple Airlines Logo
10:34 am - 8:01 pm
ABE
-
IAD
9h 27m
1 stop
$298Multiple Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
7:00 am - 12:11 pm
IAD
-
ABE
29h 11m
2 stops
Multiple Airlines Logo
7:53 pm - 7:27 am
ABE
-
IAD
11h 34m
1 stop
$501Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
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
$537American Airlines
Wed, Jun 24 - Sun, Jun 28
United Airlines Logo
10:15 pm - 9:38 am
IAD
-
ABE
11h 23m
1 stop
United Airlines Logo
2:23 pm - 11:27 am
ABE
-
IAD
21h 04m
2 stops
$572United Airlines
Thu, May 28 - Mon, Jun 1
United Airlines Logo
12:49 pm - 9:17 pm
IAD
-
ABE
8h 28m
2 stops
United Airlines Logo
2:23 pm - 11:27 am
ABE
-
IAD
21h 04m
2 stops
$597United Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
12:43 pm - 7:19 pm
IAD
-
ABE
6h 36m
1 stop
Multiple Airlines Logo
1:41 pm - 12:36 am
ABE
-
IAD
10h 55m
2 stops
$661Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
10:31 pm - 5:05 pm
IAD
-
ABE
18h 34m
2 stops
United Airlines Logo
5:40 pm - 7:20 am
ABE
-
IAD
13h 40m
2 stops
$666United Airlines
Fri, Apr 24 - Fri, May 1
United Airlines Logo
3:39 pm - 9:38 am
IAD
-
ABE
17h 59m
1 stop
United Airlines Logo
2:23 pm - 11:50 am
ABE
-
IAD
21h 27m
2 stops
$679United Airlines
Thu, May 28 - Mon, Jun 1
United Airlines Logo
10:15 pm - 1:48 pm
IAD
-
ABE
15h 33m
2 stops
United Airlines Logo
2:23 pm - 11:27 am
ABE
-
IAD
21h 04m
2 stops
$680United Airlines
Thu, May 28 - Mon, Jun 1

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
May 28
IAD10:15 pmWashington, D.C. Dulles Intl
11h 23m
1 stop
ABE9:38 amAllentown-Bethlehem
Jun 1
ABE2:23 pmAllentown-Bethlehem
21h 04m
2 stops
IAD11:27 amWashington, D.C. Dulles Intl
$572
United Airlines
May 28
IAD12:49 pmWashington, D.C. Dulles Intl
8h 28m
2 stops
ABE9:17 pmAllentown-Bethlehem
Jun 1
ABE2:23 pmAllentown-Bethlehem
21h 04m
2 stops
IAD11:27 amWashington, D.C. Dulles Intl
$597
United Airlines
Apr 24
IAD10:31 pmWashington, D.C. Dulles Intl
18h 34m
2 stops
ABE5:05 pmAllentown-Bethlehem
May 1
ABE5:40 pmAllentown-Bethlehem
13h 40m
2 stops
IAD7:20 amWashington, D.C. Dulles Intl
$666

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
Apr 2
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
Apr 4
ABE6:04 amAllentown-Bethlehem
7h 28m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
$479
American Airlines
Mar 31
IAD5:00 amWashington, D.C. Dulles Intl
6h 40m
1 stop
ABE11:40 amAllentown-Bethlehem
Apr 4
ABE6:04 amAllentown-Bethlehem
7h 28m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
$514
American Airlines
Jun 24
IAD8:22 pmWashington, D.C. Dulles Intl
3h 59m
1 stop
ABE12:21 amAllentown-Bethlehem
Jun 28
ABE5:46 pmAllentown-Bethlehem
6h 27m
1 stop
IAD12:13 amWashington, D.C. Dulles Intl
$537

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 March 29, 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

Fri 4/24

2:23 pm-6:11 pm

1 stop27h 48m

Allentown-Bethlehem

Fri 5/1

10:34 am-8:01 pm

1 stop9h 27m

$273

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 4/24

6:00 am-8:10 pm

2 stops14h 10m

Allentown-Bethlehem

Fri 5/1

10:34 am-8:01 pm

1 stop9h 27m

$298

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Wed 4/15

7:00 am-12:11 pm

2 stops29h 11m

Allentown-Bethlehem

Sun 4/19

7:53 pm-7:27 am

1 stop11h 34m

$501
Quickest round-trip

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Wed 6/24

8:22 pm-12:21 am

1 stop3h 59m

Allentown-Bethlehem

Sun 6/28

5:46 pm-12:13 am

1 stop6h 27m

$537

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 5/28

10:15 pm-9:38 am

1 stop11h 23m

Allentown-Bethlehem

Mon 6/1

2:23 pm-11:27 am

2 stops21h 04m

$572

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 5/28

12:49 pm-9:17 pm

2 stops8h 28m

Allentown-Bethlehem

Mon 6/1

2:23 pm-11:27 am

2 stops21h 04m

$597

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 4/9

12:43 pm-7:19 pm

1 stop6h 36m

Allentown-Bethlehem

Mon 4/13

1:41 pm-12:36 am

2 stops10h 55m

$661

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 4/24

10:31 pm-5:05 pm

2 stops18h 34m

Allentown-Bethlehem

Fri 5/1

5:40 pm-7:20 am

2 stops13h 40m

$666

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 5/28

3:39 pm-9:38 am

1 stop17h 59m

Allentown-Bethlehem

Mon 6/1

2:23 pm-11:50 am

2 stops21h 27m

$679

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 5/28

10:15 pm-1:48 pm

2 stops15h 33m

Allentown-Bethlehem

Mon 6/1

2:23 pm-11:27 am

2 stops21h 04m

$680

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

American Airlines and Allegiant Air 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

6h 36m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Allentown takes 6h 36m
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

  • 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 6h 36m.

  • 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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