Flights from Philadelphia to Barnhart

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.

Sat, Jun 21 - Wed, Jun 25

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$224 Roundtrip, found 5 days ago

$224

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jun 25, priced at $224 found 5 days ago

Thu, Jun 19 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $234 found 1 day ago

Sat, Jun 21 - Mon, Jun 23

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$236 Roundtrip, found 5 days ago

$236

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jun 23, priced at $236 found 5 days ago

Sat, Jun 21 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$247 Roundtrip, found 5 days ago

$247

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $247 found 5 days ago

Fri, Jun 20 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$248 Roundtrip, found 5 days ago

$248

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $248 found 5 days ago

Thu, Jun 19 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$249 Roundtrip, found 5 days ago

$249

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $249 found 5 days ago

Thu, Jun 19 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $250 found 1 day ago

Tue, Jun 17 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$260 Roundtrip, found 5 days ago

$260

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $260 found 5 days ago

Tue, Jun 17 - Wed, Jun 18

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$271 Roundtrip, found 6 days ago

$271

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jun 18, priced at $271 found 6 days ago

Sun, Jun 22 - Mon, Jun 23

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$279 Roundtrip, found 5 days ago

$279

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jun 23, priced at $279 found 5 days ago

Thu, Jun 19 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $284 found 1 day ago

Wed, Jun 18 - Wed, Jun 25

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$288 Roundtrip, found 5 days ago

$288

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Jun 25, priced at $288 found 5 days ago

Thu, Jun 19 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$290 Roundtrip, found 5 days ago

$290

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $290 found 5 days ago

Tue, Jun 17 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$291 Roundtrip, found 5 days ago

$291

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $291 found 5 days ago

Thu, Jun 19 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$294 Roundtrip, found 5 days ago

$294

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $294 found 5 days ago

Wed, Jun 18 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$300 Roundtrip, found 5 days ago

$300

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $300 found 5 days ago

Thu, Jun 19 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$310 Roundtrip, found 1 day ago

$310

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $310 found 1 day ago

Thu, Jun 19 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$324 Roundtrip, found 1 day ago

$324

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $324 found 1 day ago

Wed, Aug 13 - Wed, Aug 13

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$337 Roundtrip, found 5 days ago

$337

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Aug 13 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Aug 13, priced at $337 found 5 days ago

Wed, Aug 13 - Wed, Aug 13

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$353 Roundtrip, found 5 days ago

$353

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Aug 13 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Aug 13, priced at $353 found 5 days ago