Flights from St. Louis to Perkiomenville

Cheapest flights from St. Louis

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, Aug 13 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 13 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Aug 18, priced at $237 found 1 day ago

Wed, Aug 13 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 13 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $247 found 1 day ago

Mon, Aug 11 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Aug 18, priced at $247 found 1 day ago

Sat, Jun 28 - Tue, Jul 1

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$250 Roundtrip, found 2 days ago

$250

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Jun 28 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Jul 1, priced at $250 found 2 days ago

Wed, Aug 13 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$260 Roundtrip, found 1 day ago

$260

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 13 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Aug 16, priced at $260 found 1 day ago

Fri, Jun 27 - Mon, Jun 30

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$261 Roundtrip, found 2 days ago

$261

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Jun 30, priced at $261 found 2 days ago

Fri, Jun 27 - Sun, Jun 29

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$266 Roundtrip, found 2 days ago

$266

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jun 29, priced at $266 found 2 days ago

Mon, Aug 11 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Aug 16, priced at $270 found 1 day ago

Mon, Aug 11 - Wed, Aug 13

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Wed, Aug 13, priced at $280 found 1 day ago

Mon, Aug 11 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$286 Roundtrip, found 1 day ago

$286

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $286 found 1 day ago

Fri, Aug 15 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$305 Roundtrip, found 1 day ago

$305

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Aug 15 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $305 found 1 day ago

Tue, Aug 12 - Wed, Aug 13

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$310 Roundtrip, found 1 day ago

$310

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Wed, Aug 13, priced at $310 found 1 day ago

Tue, Aug 12 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$312 Roundtrip, found 1 day ago

$312

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $312 found 1 day ago

Sat, Aug 16 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 16 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $326 found 1 day ago

Sun, Aug 10 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$345 Roundtrip, found 1 day ago

$345

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Aug 10 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Aug 19, priced at $345 found 1 day ago

Sat, Aug 16 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$355 Roundtrip, found 1 day ago

$355

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 16 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Aug 16, priced at $355 found 1 day ago

Fri, Aug 15 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$363 Roundtrip, found 1 day ago

$363

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Aug 15 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Fri, Aug 15, priced at $363 found 1 day ago

Sat, Jun 7 - Fri, Jun 13

STL

Lambert-St. Louis Intl.

ABE

Lehigh Valley Intl.

$382 Roundtrip, found 3 days ago

$382

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Jun 7 from Lambert-St. Louis Intl. to Lehigh Valley Intl., returning Fri, Jun 13, priced at $382 found 3 days ago

Thu, Aug 14 - Thu, Aug 14

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$395 Roundtrip, found 1 day ago

$395

Roundtrip

found 1 day ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Thu, Aug 14, priced at $395 found 1 day ago

Sat, Jun 7 - Sun, Jun 8

STL

Lambert-St. Louis Intl.

ABE

Lehigh Valley Intl.

$397 Roundtrip, found 3 days ago

$397

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Jun 7 from Lambert-St. Louis Intl. to Lehigh Valley Intl., returning Sun, Jun 8, priced at $397 found 3 days ago