Flights from Allentown to Austin

Cheapest flights from Allentown

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 17 - Sun, Jul 20

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$168 Roundtrip, found 1 day ago

$168

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Sun, Jul 20, priced at $168 found 1 day ago

Sun, Jul 13 - Thu, Jul 17

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$208 Roundtrip, found 1 day ago

$208

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Thu, Jul 17, priced at $208 found 1 day ago

Thu, Jun 26 - Thu, Jul 3

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 26 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Thu, Jul 3, priced at $218 found 1 day ago

Sat, Jul 19 - Thu, Jul 24

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Jul 19 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Thu, Jul 24, priced at $221 found 1 day ago

Mon, Jul 14 - Fri, Jul 18

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$225 Roundtrip, found 1 day ago

$225

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 14 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Fri, Jul 18, priced at $225 found 1 day ago

Mon, Jul 14 - Wed, Jul 16

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$236 Roundtrip, found 22 hours ago

$236

Roundtrip

found 22 hours ago

Select Spirit Airlines flight, departing Mon, Jul 14 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Wed, Jul 16, priced at $236 found 22 hours ago

Tue, Jul 15 - Thu, Jul 24

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$236 Roundtrip, found 1 day ago

$236

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Jul 15 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Thu, Jul 24, priced at $236 found 1 day ago

Tue, Jul 15 - Sat, Jul 19

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 15 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Sat, Jul 19, priced at $237 found 1 day ago

Mon, Jul 14 - Mon, Jul 14

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$240 Roundtrip, found 1 day ago

$240

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 14 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Mon, Jul 14, priced at $240 found 1 day ago

Sun, Jul 13 - Fri, Jul 25

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$241 Roundtrip, found 1 day ago

$241

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jul 13 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Fri, Jul 25, priced at $241 found 1 day ago

Wed, Jul 16 - Mon, Jul 21

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jul 16 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Mon, Jul 21, priced at $244 found 1 day ago

Sun, Jul 13 - Fri, Jul 18

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$245 Roundtrip, found 1 day ago

$245

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jul 13 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Fri, Jul 18, priced at $245 found 1 day ago

Wed, Jul 16 - Fri, Jul 18

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Jul 16 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Fri, Jul 18, priced at $250 found 1 day ago

Tue, Jul 15 - Wed, Jul 16

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$255 Roundtrip, found 1 day ago

$255

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Jul 15 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Wed, Jul 16, priced at $255 found 1 day ago

Sat, Jul 12 - Tue, Jul 15

ABE

Lehigh Valley Intl.

AUS

Austin-Bergstrom Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Jul 12 from Lehigh Valley Intl. to Austin-Bergstrom Intl., returning Tue, Jul 15, priced at $257 found 1 day ago

Sun, Jul 13 - Tue, Jul 15

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$260 Roundtrip, found 1 day ago

$260

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jul 13 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Tue, Jul 15, priced at $260 found 1 day ago

Sun, Jul 13 - Mon, Jul 14

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$262 Roundtrip, found 1 day ago

$262

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jul 13 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Mon, Jul 14, priced at $262 found 1 day ago

Tue, Jul 15 - Tue, Jul 22

ABE

Lehigh Valley Intl.

AUS

Austin-Bergstrom Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jul 15 from Lehigh Valley Intl. to Austin-Bergstrom Intl., returning Tue, Jul 22, priced at $270 found 1 day ago

Sat, Jul 19 - Sun, Jul 20

PHL

Philadelphia Intl.

AUS

Austin-Bergstrom Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Jul 19 from Philadelphia Intl. to Austin-Bergstrom Intl., returning Sun, Jul 20, priced at $270 found 1 day ago

Fri, Jul 18 - Mon, Jul 21

ABE

Lehigh Valley Intl.

AUS

Austin-Bergstrom Intl.

$328 Roundtrip, found 1 day ago

$328

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 18 from Lehigh Valley Intl. to Austin-Bergstrom Intl., returning Mon, Jul 21, priced at $328 found 1 day ago