What is the cheapest airline that flies from Austin Bergstrom to Allentown-Bethlehem?

Allegiant Air is the most popular carrier operating from Austin Bergstrom to Allentown-Bethlehem

What airlines fly to Allentown?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Allentown from Austin according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 6 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport?

Prices for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport?

As of November 2026, there are 2 operators available to choose from for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport.

How old do you have to be to fly from Austin Bergstrom Airport to Allentown-Bethlehem Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Austin Bergstrom Airport to Allentown-Bethlehem Airport.

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

The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$222 Cheap Flights from Austin to Allentown in 2026/27

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Find the cheapest flights from Austin to Allentown

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One-way

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Cheap round-trip flights

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6:51 pm - 7:53 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

24h 02m2 stops Denver Intl Orlando

3:18 pm - 4:55 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

26h 37m1 stop Orlando Sanford Intl

$375Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

7:00 am - 9:22 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

13h 22m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:00 am - 12:03 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

7h 03m1 stop Chicago O'Hare Intl

$403United Airlines

Wed, Dec 9 - Wed, Dec 16

1:30 pm - 9:22 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

6h 52m1 stop Chicago O'Hare Intl

6:00 am - 12:03 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

7h 03m1 stop Chicago O'Hare Intl

$414United Airlines

Wed, Dec 9 - Wed, Dec 16

9:45 am - 9:22 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

10h 37m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:00 am - 3:23 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

10h 23m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$421United Airlines

Wed, Dec 9 - Wed, Dec 16

5:20 am - 12:07 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

5h 47m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 12:22 amABE Allentown-Bethlehem-AUS Austin Bergstrom

7h 24m1 stop Atlanta Hartsfield-Jackson

$431Delta

Thu, Dec 3 - Thu, Dec 10

8:20 am - 5:13 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

7h 53m1 stop Atlanta Hartsfield-Jackson

12:50 pm - 8:35 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

8h 45m1 stop Atlanta Hartsfield-Jackson

$431Delta

Wed, Dec 2 - Wed, Dec 9

5:20 am - 12:06 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

5h 46m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 11:32 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 34m1 stop Atlanta Hartsfield-Jackson

$431Delta

Tue, Dec 1 - Tue, Dec 8

3:46 pm - 10:23 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

5h 37m1 stop Charlotte Douglas

5:30 pm - 10:47 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 17m1 stop Charlotte Douglas

$607American Airlines

Thu, Dec 17 - Wed, Dec 23

4:09 pm - 11:52 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

6h 43m1 stop Chicago O'Hare Intl

6:05 am - 10:57 amABE Allentown-Bethlehem-AUS Austin Bergstrom

5h 52m1 stop Charlotte Douglas

$623American Airlines

Tue, Dec 22 - Wed, Dec 30

4:09 pm - 11:52 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

6h 43m1 stop Chicago O'Hare Intl

6:05 am - 10:57 amABE Allentown-Bethlehem-AUS Austin Bergstrom

5h 52m1 stop Charlotte Douglas

$623American Airlines

Wed, Dec 23 - Wed, Dec 30

Cheap last minute flights

Enter your travel dates to find the best prices.

12:49 pm - 9:02 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

7h 13m1 stop Chicago O'Hare Intl

5:36 pm - 10:52 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 16m1 stop Chicago O'Hare Intl

$729United Airlines

Fri, Nov 13 - Sun, Nov 15

7:00 am - 9:02 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

13h 02m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:36 pm - 10:52 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 16m1 stop Chicago O'Hare Intl

$735United Airlines

Fri, Nov 13 - Sun, Nov 15

1:52 pm - 10:27 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

7h 35m1 stop Atlanta Hartsfield-Jackson

6:30 am - 1:53 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

8h 23m1 stop Atlanta Hartsfield-Jackson

$787Delta

Fri, Nov 13 - Sun, Nov 15

1:08 pm - 1:48 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

23h 40m2 stops Las Vegas Harry Reid Intl Orlando

4:36 pm - 5:02 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

25h 26m1 stop Orlando

$802Multiple Airlines

Thu, Nov 12 - Fri, Nov 13

5:20 am - 12:04 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

5h 44m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 12:22 amABE Allentown-Bethlehem-AUS Austin Bergstrom

7h 22m1 stop Atlanta Hartsfield-Jackson

$819Delta

Thu, Nov 12 - Fri, Nov 13

9:38 am - 4:56 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

6h 18m1 stop Chicago O'Hare Intl

5:36 pm - 10:52 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 16m1 stop Chicago O'Hare Intl

$819United Airlines

Thu, Nov 12 - Fri, Nov 13

9:37 am - 9:02 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

10h 25m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:15 am - 11:41 amABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 26m1 stop Chicago O'Hare Intl

$824United Airlines

Thu, Nov 12 - Fri, Nov 13

5:15 am - 4:56 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

10h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:36 pm - 10:52 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 16m1 stop Chicago O'Hare Intl

$824United Airlines

Thu, Nov 12 - Fri, Nov 13

5:15 am - 4:56 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

10h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:15 am - 11:41 amABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 26m1 stop Chicago O'Hare Intl

$824United Airlines

Thu, Nov 12 - Fri, Nov 13

9:37 am - 9:02 pmAUS Austin Bergstrom-ABE Allentown-Bethlehem

10h 25m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:36 pm - 10:52 pmABE Allentown-Bethlehem-AUS Austin Bergstrom

6h 16m1 stop Chicago O'Hare Intl

$887United Airlines

Fri, Nov 13 - Sun, Nov 15

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United Airlines flights from Austin to Allentown

Our best United Airlines deals on Austin to Allentown flight tickets

United Airlines

Dec 9

AUS7:00 amAustin Bergstrom

13h 22m

2 stops

ABE9:22 pmAllentown-Bethlehem

Dec 16

ABE6:00 amAllentown-Bethlehem

7h 03m

1 stop

AUS12:03 pmAustin Bergstrom

$403

United Airlines

Dec 9

AUS1:30 pmAustin Bergstrom

6h 52m

1 stop

ABE9:22 pmAllentown-Bethlehem

Dec 16

ABE6:00 amAllentown-Bethlehem

7h 03m

1 stop

AUS12:03 pmAustin Bergstrom

$414

United Airlines

Dec 9

AUS9:45 amAustin Bergstrom

10h 37m

2 stops

ABE9:22 pmAllentown-Bethlehem

Dec 16

ABE6:00 amAllentown-Bethlehem

10h 23m

2 stops

AUS3:23 pmAustin Bergstrom

$421

Delta flights from Austin to Allentown

Our best Delta deals on Austin to Allentown flight tickets

Delta

Dec 2

AUS8:20 amAustin Bergstrom

7h 53m

1 stop

ABE5:13 pmAllentown-Bethlehem

Dec 9

ABE12:50 pmAllentown-Bethlehem

8h 45m

1 stop

AUS8:35 pmAustin Bergstrom

$431

Delta

Dec 12

AUS1:15 pmAustin Bergstrom

8h 12m

1 stop

ABE10:27 pmAllentown-Bethlehem

Dec 19

ABE6:01 pmAllentown-Bethlehem

7h 34m

1 stop

AUS12:35 amAustin Bergstrom

$495

Delta

Jan 4

AUS5:15 amAustin Bergstrom

5h 59m

1 stop

ABE12:14 pmAllentown-Bethlehem

Jan 11

ABE6:03 pmAllentown-Bethlehem

7h 18m

1 stop

AUS12:21 amAustin Bergstrom

$541

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Thu 12/3

6:51 pm-7:53 pm

2 stops24h 02m

Allentown-Bethlehem

Thu 12/10

3:18 pm-4:55 pm

1 stop26h 37m

$375

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Wed 12/9

7:00 am-9:22 pm

2 stops13h 22m

Allentown-Bethlehem

Wed 12/16

6:00 am-12:03 pm

1 stop7h 03m

$403

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Wed 12/9

1:30 pm-9:22 pm

1 stop6h 52m

Allentown-Bethlehem

Wed 12/16

6:00 am-12:03 pm

1 stop7h 03m

$414

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Wed 12/9

9:45 am-9:22 pm

2 stops10h 37m

Allentown-Bethlehem

Wed 12/16

6:00 am-3:23 pm

2 stops10h 23m

$421

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Thu 12/3

5:20 am-12:07 pm

1 stop5h 47m

Allentown-Bethlehem

Thu 12/10

5:58 pm-12:22 am

1 stop7h 24m

$431

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Wed 12/2

8:20 am-5:13 pm

1 stop7h 53m

Allentown-Bethlehem

Wed 12/9

12:50 pm-8:35 pm

1 stop8h 45m

$431

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Tue 12/1

5:20 am-12:06 pm

1 stop5h 46m

Allentown-Bethlehem

Tue 12/8

5:58 pm-11:32 pm

1 stop6h 34m

$431

Quickest round-trip

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Thu 12/17

3:46 pm-10:23 pm

1 stop5h 37m

Allentown-Bethlehem

Wed 12/23

5:30 pm-10:47 pm

1 stop6h 17m

$607

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Tue 12/22

4:09 pm-11:52 pm

1 stop6h 43m

Allentown-Bethlehem

Wed 12/30

6:05 am-10:57 am

1 stop5h 52m

$623

AustinAllentown

AUS Austin Bergstrom - ABE Allentown-Bethlehem

AUSABE

Austin Bergstrom

Wed 12/23

4:09 pm-11:52 pm

1 stop6h 43m

Allentown-Bethlehem

Wed 12/30

6:05 am-10:57 am

1 stop5h 52m

$623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin 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

Prices

Airlines

What is the cheapest month to fly to Allentown?

The month of November is, on average, the cheapest month to fly to Allentown from Austin, with most prices found around $358. If you aren’t able to travel to Allentown during the month of November, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $388.

When to book flights from Austin to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Allentown according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Austin to Allentown (AUS to ABE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Allentown

Best Price Found	$222
Fastest flight time	5h 45m
Direct flights	None

The best one-way flight to Allentown from Austin in the past 72 hours is $222. The best round-trip flight deal from Austin to Allentown found on momondo in the last 72 hours is $375.

The fastest flight from Austin to Allentown takes 5h 45m

There are no direct flights from Austin to Allentown. There are no popular flight routes from Austin to Allentown.

Search flight deals

Frequently asked questions about flying from Austin to Allentown

How far is Austin Bergstrom to Allentown-Bethlehem by plane?
A flight from Austin Bergstrom to Allentown-Bethlehem will travel around 1435.5 mi. Flights usually cover this in 5h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport?
Prices for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport?
As of November 2026, there are 2 operators available to choose from for flights from Austin Bergstrom Airport to Allentown-Bethlehem Airport.
How old do you have to be to fly from Austin Bergstrom Airport to Allentown-Bethlehem Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Austin Bergstrom Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Austin to Allentown?
momondo data reveals that the most frequently booked airline on the route from Austin to Allentown is Delta, representing 79% of all bookings. The subsequent popular airline is American Airlines at 21%.

Best airlines flying from Austin to Allentown

Compare and see reviews for airlines that fly from Austin to Allentown with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $354	Free Cancellation	Rating 7.8 8,700 reviews		Search Delta flights
American Airlines	PriceFrom $472	Free Cancellation	Rating 7.0 12,224 reviews		Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Austin to Allentown?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Allentown. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Austin to Allentown with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Allentown from Austin with this policy.

How can momondo help me find flights from Austin to Allentown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Allentown.

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

If you are simply researching potential flights to Allentown, momondo offers a useful price alert feature which will track prices for flights to Allentown from Austin and alert you when they change.