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Cheap flights from Washington, D.C. Dulles Intl Airport to Allentown from $214

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 3/15. 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
5:00 am - 11:30 am
IAD
-
ABE
6h 30m
1 stop
American Airlines Logo
7:41 am - 2:39 pm
ABE
-
IAD
6h 58m
1 stop
$229American Airlines
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
8:09 am - 9:06 pm
IAD
-
ABE
12h 57m
1 stop
Multiple Airlines Logo
5:31 pm - 7:27 am
ABE
-
IAD
13h 56m
1 stop
$323Multiple Airlines
Mon, May 4 - Wed, May 6
American Airlines Logo
5:00 am - 11:30 am
IAD
-
ABE
6h 30m
1 stop
American Airlines Logo
6:04 am - 1:32 pm
ABE
-
IAD
7h 28m
1 stop
$359American Airlines
Fri, Feb 27 - Sat, Feb 28
Multiple Airlines Logo
8:09 am - 2:56 pm
IAD
-
ABE
6h 47m
1 stop
Multiple Airlines Logo
5:31 pm - 7:27 am
ABE
-
IAD
13h 56m
1 stop
$371Multiple Airlines
Sun, May 3 - Wed, May 6
Multiple Airlines Logo
8:09 am - 2:56 pm
IAD
-
ABE
6h 47m
1 stop
Multiple Airlines Logo
5:31 pm - 8:59 am
ABE
-
IAD
39h 28m
2 stops
$459Multiple Airlines
Sun, May 3 - Wed, May 6
American Airlines Logo
5:00 am - 11:30 am
IAD
-
ABE
6h 30m
1 stop
American Airlines Logo
12:00 pm - 4:16 pm
ABE
-
IAD
4h 16m
1 stop
$502American Airlines
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
5:00 am - 11:30 am
IAD
-
ABE
6h 30m
1 stop
American Airlines Logo
12:00 pm - 4:16 pm
ABE
-
IAD
4h 16m
1 stop
$542American Airlines
Sat, Mar 21 - Sun, Mar 22
United Airlines Logo
10:18 pm - 11:50 am
IAD
-
ABE
13h 32m
2 stops
United Airlines Logo
5:23 pm - 7:28 am
ABE
-
IAD
14h 05m
2 stops
$552United Airlines
Fri, Feb 27 - Sat, Feb 28
United Airlines Logo
10:30 pm - 10:01 am
IAD
-
ABE
11h 31m
1 stop
United Airlines Logo
6:28 am - 8:56 pm
ABE
-
IAD
14h 28m
2 stops
$557United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
12:35 pm - 10:01 am
IAD
-
ABE
21h 26m
2 stops
United Airlines Logo
6:28 am - 4:05 pm
ABE
-
IAD
9h 37m
1 stop
$558United Airlines
Sat, Feb 21 - Wed, Feb 25

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
Feb 27
IAD10:18 pmWashington, D.C. Dulles Intl
13h 32m
2 stops
ABE11:50 amAllentown-Bethlehem
Feb 28
ABE5:23 pmAllentown-Bethlehem
14h 05m
2 stops
IAD7:28 amWashington, D.C. Dulles Intl
$552
United Airlines
Feb 21
IAD10:30 pmWashington, D.C. Dulles Intl
11h 31m
1 stop
ABE10:01 amAllentown-Bethlehem
Feb 25
ABE6:28 amAllentown-Bethlehem
14h 28m
2 stops
IAD8:56 pmWashington, D.C. Dulles Intl
$557
United Airlines
Feb 21
IAD12:35 pmWashington, D.C. Dulles Intl
21h 26m
2 stops
ABE10:01 amAllentown-Bethlehem
Feb 25
ABE6:28 amAllentown-Bethlehem
9h 37m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$558

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
Feb 21
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
Feb 25
ABE7:41 amAllentown-Bethlehem
6h 58m
1 stop
IAD2:39 pmWashington, D.C. Dulles Intl
$229
American Airlines
Feb 14
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
Feb 15
ABE6:04 amAllentown-Bethlehem
7h 28m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
$259
American Airlines
Feb 27
IAD5:00 amWashington, D.C. Dulles Intl
6h 30m
1 stop
ABE11:30 amAllentown-Bethlehem
Feb 28
ABE6:04 amAllentown-Bethlehem
7h 28m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
$359

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 February 8, 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

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 2/21

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Wed 2/25

7:41 am-2:39 pm

1 stop6h 58m

$229

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Mon 5/4

8:09 am-9:06 pm

1 stop12h 57m

Allentown-Bethlehem

Wed 5/6

5:31 pm-7:27 am

1 stop13h 56m

$323

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 2/27

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Sat 2/28

6:04 am-1:32 pm

1 stop7h 28m

$359

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sun 5/3

8:09 am-2:56 pm

1 stop6h 47m

Allentown-Bethlehem

Wed 5/6

5:31 pm-7:27 am

1 stop13h 56m

$371

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sun 5/3

8:09 am-2:56 pm

1 stop6h 47m

Allentown-Bethlehem

Wed 5/6

5:31 pm-8:59 am

2 stops39h 28m

$459

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Thu 2/19

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Mon 2/23

12:00 pm-4:16 pm

1 stop4h 16m

$502

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 3/21

5:00 am-11:30 am

1 stop6h 30m

Allentown-Bethlehem

Sun 3/22

12:00 pm-4:16 pm

1 stop4h 16m

$542

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Fri 2/27

10:18 pm-11:50 am

2 stops13h 32m

Allentown-Bethlehem

Sat 2/28

5:23 pm-7:28 am

2 stops14h 05m

$552

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 2/21

10:30 pm-10:01 am

1 stop11h 31m

Allentown-Bethlehem

Wed 2/25

6:28 am-8:56 pm

2 stops14h 28m

$557

Washington, D.C.Allentown

IAD - ABE

IADABE

Washington, D.C. Dulles Intl

Sat 2/21

12:35 pm-10:01 am

2 stops21h 26m

Allentown-Bethlehem

Wed 2/25

6:28 am-4:05 pm

1 stop9h 37m

$558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 United 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

12h 57m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Allentown takes 12h 57m
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 12h 57m.

  • 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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