Flights from Philadelphia to Carlinville

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.

Fri, Jul 4 - Wed, Jul 9

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jul 9, priced at $223 found 1 day ago

Fri, Jul 4 - Wed, Jul 9

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$235 Roundtrip, found 6 hours ago

$235

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jul 9, priced at $235 found 6 hours ago

Wed, Jul 2 - Wed, Jul 9

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$246 Roundtrip, found 1 day ago

$246

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jul 9, priced at $246 found 1 day ago

Fri, Jul 4 - Sat, Jul 5

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$247 Roundtrip, found 6 hours ago

$247

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $247 found 6 hours ago

Tue, Jul 1 - Mon, Jul 7

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$248 Roundtrip, found 6 hours ago

$248

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $248 found 6 hours ago

Wed, Jul 2 - Sat, Jul 5

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $258 found 1 day ago

Tue, Jul 1 - Mon, Jul 7

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$259 Roundtrip, found 1 day ago

$259

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $259 found 1 day ago

Wed, Jul 2 - Mon, Jul 7

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jul 7, priced at $270 found 1 day ago

Mon, Jun 9 - Thu, Jun 12

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$280 Roundtrip, found 4 days ago

$280

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Thu, Jun 12, priced at $280 found 4 days ago

Sat, Jul 5 - Wed, Jul 9

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$289 Roundtrip, found 1 day ago

$289

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jul 9, priced at $289 found 1 day ago

Mon, Jun 9 - Thu, Jun 12

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$289 Roundtrip, found 4 days ago

$289

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Thu, Jun 12, priced at $289 found 4 days ago

Tue, Jul 1 - Tue, Jul 8

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$294 Roundtrip, found 6 hours ago

$294

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $294 found 6 hours ago

Tue, Jul 1 - Tue, Jul 8

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$300 Roundtrip, found 6 hours ago

$300

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $300 found 6 hours ago

Sat, Jul 5 - Fri, Jul 11

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jul 5 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Fri, Jul 11, priced at $301 found 1 day ago

Mon, Jun 30 - Sun, Jul 6

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$302 Roundtrip, found 6 hours ago

$302

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jul 6, priced at $302 found 6 hours ago

Thu, Jul 3 - Tue, Jul 8

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$308 Roundtrip, found 1 day ago

$308

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $308 found 1 day ago

Tue, Jul 1 - Sun, Jul 6

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$313 Roundtrip, found 1 day ago

$313

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jul 6, priced at $313 found 1 day ago

Thu, Jul 3 - Tue, Jul 8

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$320 Roundtrip, found 1 day ago

$320

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $320 found 1 day ago

Tue, Jul 1 - Tue, Jul 8

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$340 Roundtrip, found 6 hours ago

$340

Roundtrip

found 6 hours ago

Select United flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $340 found 6 hours ago

Tue, Jul 1 - Tue, Jul 8

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$340 Roundtrip, found 6 hours ago

$340

Roundtrip

found 6 hours ago

Select Delta flight, departing Tue, Jul 1 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $340 found 6 hours ago