Flights from Philadelphia to Seguin

Cheapest flights from Philadelphia

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.

Wed, Sep 3 - Sat, Sep 27

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$289 Roundtrip, found 3 days ago

$289

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Sep 3 from Lehigh Valley Intl. to San Antonio Intl., returning Sat, Sep 27, priced at $289 found 3 days ago

Wed, Sep 3 - Mon, Sep 29

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$314 Roundtrip, found 3 days ago

$314

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Sep 3 from Lehigh Valley Intl. to San Antonio Intl., returning Mon, Sep 29, priced at $314 found 3 days ago

Thu, Sep 4 - Mon, Sep 29

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$339 Roundtrip, found 3 days ago

$339

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Sep 4 from Lehigh Valley Intl. to San Antonio Intl., returning Mon, Sep 29, priced at $339 found 3 days ago

Fri, Aug 8 - Sat, Aug 30

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$344 Roundtrip, found 5 days ago

$344

Roundtrip

found 5 days ago

Select Delta flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Antonio Intl., returning Sat, Aug 30, priced at $344 found 5 days ago

Wed, Aug 6 - Sat, Aug 30

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$354 Roundtrip, found 5 days ago

$354

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Aug 6 from Lehigh Valley Intl. to San Antonio Intl., returning Sat, Aug 30, priced at $354 found 5 days ago

Fri, Aug 8 - Wed, Sep 3

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$369 Roundtrip, found 5 days ago

$369

Roundtrip

found 5 days ago

Select Delta flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Antonio Intl., returning Wed, Sep 3, priced at $369 found 5 days ago

Thu, Sep 4 - Tue, Sep 30

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$374 Roundtrip, found 3 days ago

$374

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Sep 4 from Lehigh Valley Intl. to San Antonio Intl., returning Tue, Sep 30, priced at $374 found 3 days ago

Wed, Aug 6 - Wed, Sep 3

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$379 Roundtrip, found 5 days ago

$379

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Aug 6 from Lehigh Valley Intl. to San Antonio Intl., returning Wed, Sep 3, priced at $379 found 5 days ago

Fri, Aug 8 - Mon, Sep 1

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$399 Roundtrip, found 5 days ago

$399

Roundtrip

found 5 days ago

Select Delta flight, departing Fri, Aug 8 from Lehigh Valley Intl. to San Antonio Intl., returning Mon, Sep 1, priced at $399 found 5 days ago

Thu, Sep 4 - Tue, Sep 30

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$404 Roundtrip, found 3 days ago

$404

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Sep 4 from Lehigh Valley Intl. to San Antonio Intl., returning Tue, Sep 30, priced at $404 found 3 days ago

Wed, Aug 6 - Mon, Sep 1

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$409 Roundtrip, found 5 days ago

$409

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Aug 6 from Lehigh Valley Intl. to San Antonio Intl., returning Mon, Sep 1, priced at $409 found 5 days ago

Wed, Sep 3 - Fri, Oct 3

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$414 Roundtrip, found 3 days ago

$414

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Sep 3 from Lehigh Valley Intl. to San Antonio Intl., returning Fri, Oct 3, priced at $414 found 3 days ago

Tue, Sep 2 - Sat, Sep 27

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$417 Roundtrip, found 3 days ago

$417

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Sep 2 from Lehigh Valley Intl. to San Antonio Intl., returning Sat, Sep 27, priced at $417 found 3 days ago

Sat, Aug 9 - Thu, Aug 28

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$418 Roundtrip, found 5 days ago

$418

Roundtrip

found 5 days ago

Select Delta flight, departing Sat, Aug 9 from Lehigh Valley Intl. to San Antonio Intl., returning Thu, Aug 28, priced at $418 found 5 days ago

Tue, Aug 5 - Sat, Aug 30

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$422 Roundtrip, found 5 days ago

$422

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Aug 5 from Lehigh Valley Intl. to San Antonio Intl., returning Sat, Aug 30, priced at $422 found 5 days ago

Thu, Sep 4 - Tue, Sep 30

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$424 Roundtrip, found 3 days ago

$424

Roundtrip

found 3 days ago

Select United flight, departing Thu, Sep 4 from Lehigh Valley Intl. to San Antonio Intl., returning Tue, Sep 30, priced at $424 found 3 days ago

Thu, Sep 4 - Fri, Oct 3

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$439 Roundtrip, found 3 days ago

$439

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Sep 4 from Lehigh Valley Intl. to San Antonio Intl., returning Fri, Oct 3, priced at $439 found 3 days ago

Wed, Mar 18 - Sun, Mar 22

PHL

Philadelphia Intl.

SAT

San Antonio Intl.

$440 Roundtrip, found 1 day ago

$440

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Mar 18 from Philadelphia Intl. to San Antonio Intl., returning Sun, Mar 22, priced at $440 found 1 day ago

Tue, Sep 2 - Mon, Sep 29

ABE

Lehigh Valley Intl.

SAT

San Antonio Intl.

$442 Roundtrip, found 3 days ago

$442

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Sep 2 from Lehigh Valley Intl. to San Antonio Intl., returning Mon, Sep 29, priced at $442 found 3 days ago

Wed, Mar 18 - Sun, Mar 22

PHL

Philadelphia Intl.

SAT

San Antonio Intl.

$464 Roundtrip, found 1 day ago

$464

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Mar 18 from Philadelphia Intl. to San Antonio Intl., returning Sun, Mar 22, priced at $464 found 1 day ago