Flights from Austin to Philadelphia

Cheapest flights from Austin

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.

Mon, May 12 - Sun, May 25

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$213 Roundtrip, found 9 hours ago

$213

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Sun, May 25, priced at $213 found 9 hours ago

Mon, May 12 - Wed, May 21

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$220 Roundtrip, found 9 hours ago

$220

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Wed, May 21, priced at $220 found 9 hours ago

Mon, May 12 - Thu, May 22

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$236 Roundtrip, found 9 hours ago

$236

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Thu, May 22, priced at $236 found 9 hours ago

Thu, May 15 - Sun, May 25

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$243 Roundtrip, found 9 hours ago

$243

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, May 15 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Sun, May 25, priced at $243 found 9 hours ago

Thu, May 15 - Wed, May 21

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$250 Roundtrip, found 9 hours ago

$250

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, May 15 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Wed, May 21, priced at $250 found 9 hours ago

Mon, May 12 - Thu, May 22

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$260 Roundtrip, found 9 hours ago

$260

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Thu, May 22, priced at $260 found 9 hours ago

Thu, May 15 - Thu, May 22

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$266 Roundtrip, found 9 hours ago

$266

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, May 15 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Thu, May 22, priced at $266 found 9 hours ago

Mon, Jun 16 - Tue, Jun 24

AUS

Austin-Bergstrom Intl.

ABE

Lehigh Valley Intl.

$272 Roundtrip, found 5 days ago

$272

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Jun 16 from Austin-Bergstrom Intl. to Lehigh Valley Intl., returning Tue, Jun 24, priced at $272 found 5 days ago

Fri, Jun 20 - Tue, Jun 24

AUS

Austin-Bergstrom Intl.

ABE

Lehigh Valley Intl.

$278 Roundtrip, found 5 days ago

$278

Roundtrip

found 5 days ago

Select American Airlines flight, departing Fri, Jun 20 from Austin-Bergstrom Intl. to Lehigh Valley Intl., returning Tue, Jun 24, priced at $278 found 5 days ago

Mon, May 12 - Fri, May 23

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$278 Roundtrip, found 9 hours ago

$278

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Fri, May 23, priced at $278 found 9 hours ago

Thu, May 15 - Mon, May 19

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$280 Roundtrip, found 9 hours ago

$280

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, May 15 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Mon, May 19, priced at $280 found 9 hours ago

Fri, May 16 - Mon, May 26

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$286 Roundtrip, found 9 hours ago

$286

Roundtrip

found 9 hours ago

Select Spirit Airlines flight, departing Fri, May 16 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Mon, May 26, priced at $286 found 9 hours ago

Mon, May 12 - Thu, May 22

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$290 Roundtrip, found 9 hours ago

$290

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Thu, May 22, priced at $290 found 9 hours ago

Sun, May 11 - Sun, May 25

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$291 Roundtrip, found 9 hours ago

$291

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Sun, May 11 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Sun, May 25, priced at $291 found 9 hours ago

Tue, Jun 17 - Sat, Jun 21

AUS

Austin-Bergstrom Intl.

ABE

Lehigh Valley Intl.

$338 Roundtrip, found 5 days ago

$338

Roundtrip

found 5 days ago

Select United flight, departing Tue, Jun 17 from Austin-Bergstrom Intl. to Lehigh Valley Intl., returning Sat, Jun 21, priced at $338 found 5 days ago

Wed, Jun 18 - Tue, Jun 24

AUS

Austin-Bergstrom Intl.

ABE

Lehigh Valley Intl.

$348 Roundtrip, found 5 days ago

$348

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Jun 18 from Austin-Bergstrom Intl. to Lehigh Valley Intl., returning Tue, Jun 24, priced at $348 found 5 days ago

Tue, May 13 - Fri, May 23

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$360 Roundtrip, found 9 hours ago

$360

Roundtrip

found 9 hours ago

Select American Airlines flight, departing Tue, May 13 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Fri, May 23, priced at $360 found 9 hours ago

Tue, Oct 28 - Tue, Nov 18

GRK

Killeen-Fort Hood Regional

PHL

Philadelphia Intl.

$400 Roundtrip, found 3 days ago

$400

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Oct 28 from Killeen-Fort Hood Regional to Philadelphia Intl., returning Tue, Nov 18, priced at $400 found 3 days ago

Mon, May 12 - Thu, May 22

AUS

Austin-Bergstrom Intl.

TTN

Mercer

$400 Roundtrip, found 9 hours ago

$400

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Mercer, returning Thu, May 22, priced at $400 found 9 hours ago

Mon, May 12 - Wed, May 21

AUS

Austin-Bergstrom Intl.

PHL

Philadelphia Intl.

$946 Roundtrip, found 9 hours ago

$946

Roundtrip

found 9 hours ago

Select JetBlue Airways flight, departing Mon, May 12 from Austin-Bergstrom Intl. to Philadelphia Intl., returning Wed, May 21, priced at $946 found 9 hours ago