Flights from St. Louis to Collingswood

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.

Mon, Jun 23 - Sat, Jun 28

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$270 Roundtrip, found 5 days ago

$270

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Jun 28, priced at $270 found 5 days ago

Mon, Jun 30 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$274 Roundtrip, found 1 day ago

$274

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jun 30 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Thu, Jul 3, priced at $274 found 1 day ago

Fri, Jun 27 - Sun, Jun 29

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$276 Roundtrip, found 5 days ago

$276

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jun 29, priced at $276 found 5 days ago

Mon, Jun 30 - Mon, Jul 7

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jun 30 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Jul 7, priced at $284 found 1 day ago

Fri, Jun 27 - Mon, Jun 30

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$286 Roundtrip, found 5 days ago

$286

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Jun 30, priced at $286 found 5 days ago

Mon, Jun 30 - Sun, Jul 6

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jun 30 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jul 6, priced at $294 found 1 day ago

Fri, Jun 27 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Thu, Jul 3, priced at $331 found 1 day ago

Fri, Jun 27 - Mon, Jul 7

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$341 Roundtrip, found 1 day ago

$341

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Jul 7, priced at $341 found 1 day ago

Fri, Jun 27 - Sun, Jul 6

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$351 Roundtrip, found 1 day ago

$351

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jul 6, priced at $351 found 1 day ago

Mon, Jun 23 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$354 Roundtrip, found 1 day ago

$354

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Thu, Jun 26, priced at $354 found 1 day ago

Mon, Jun 23 - Wed, Jul 2

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$358 Roundtrip, found 5 days ago

$358

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Wed, Jul 2, priced at $358 found 5 days ago

Fri, Jun 27 - Sun, Jun 29

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jun 29, priced at $359 found 1 day ago

Tue, Jul 1 - Fri, Jul 4

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$367 Roundtrip, found 1 day ago

$367

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 1 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Fri, Jul 4, priced at $367 found 1 day ago

Mon, Jun 23 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$374 Roundtrip, found 1 day ago

$374

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Fri, Jun 27, priced at $374 found 1 day ago

Sat, Jun 28 - Fri, Jul 4

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$384 Roundtrip, found 1 day ago

$384

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 28 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Fri, Jul 4, priced at $384 found 1 day ago

Wed, Jun 18 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$393 Roundtrip, found 1 day ago

$393

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Fri, Jun 27, priced at $393 found 1 day ago

Sat, Jun 21 - Sun, Jun 22

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$405 Roundtrip, found 1 day ago

$405

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jun 22, priced at $405 found 1 day ago

Sat, Jun 21 - Sun, Jun 22

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$406 Roundtrip, found 1 day ago

$406

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Jun 22, priced at $406 found 1 day ago

Wed, Jun 25 - Fri, Jul 4

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$415 Roundtrip, found 1 day ago

$415

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Fri, Jul 4, priced at $415 found 1 day ago

Mon, Jun 30 - Mon, Jun 30

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

$417 Roundtrip, found 1 day ago

$417

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jun 30 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Jun 30, priced at $417 found 1 day ago