Flights from Dover to St. Louis

Cheapest flights from Dover

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.

Thu, Jul 3 - Sat, Jul 5

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$292 Roundtrip, found 1 day ago

$292

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $292 found 1 day ago

Thu, Jun 19 - Fri, Jun 20

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$311 Roundtrip, found 23 hours ago

$311

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Fri, Jun 20, priced at $311 found 23 hours ago

Tue, Jun 17 - Tue, Jun 17

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$321 Roundtrip, found 23 hours ago

$321

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Jun 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Jun 17, priced at $321 found 23 hours ago

Sun, Jun 29 - Fri, Jul 11

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$327 Roundtrip, found 1 day ago

$327

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jun 29 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Fri, Jul 11, priced at $327 found 1 day ago

Mon, Jun 30 - Sat, Jul 5

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$342 Roundtrip, found 1 day ago

$342

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $342 found 1 day ago

Tue, Jun 17 - Sat, Jun 21

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$344 Roundtrip, found 23 hours ago

$344

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Jun 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $344 found 23 hours ago

Sun, Jun 22 - Mon, Jun 23

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$346 Roundtrip, found 23 hours ago

$346

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Sun, Jun 22 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jun 23, priced at $346 found 23 hours ago

Fri, Jul 4 - Fri, Jul 11

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$347 Roundtrip, found 1 day ago

$347

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 4 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Fri, Jul 11, priced at $347 found 1 day ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$352 Roundtrip, found 23 hours ago

$352

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $352 found 23 hours ago

Sun, Jun 22 - Mon, Jun 30

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$362 Roundtrip, found 23 hours ago

$362

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jun 30, priced at $362 found 23 hours ago

Thu, Jun 19 - Mon, Jun 23

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$366 Roundtrip, found 23 hours ago

$366

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jun 23, priced at $366 found 23 hours ago

Tue, Jun 17 - Fri, Jun 20

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$379 Roundtrip, found 23 hours ago

$379

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Jun 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Fri, Jun 20, priced at $379 found 23 hours ago

Sun, Jun 29 - Thu, Jul 10

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$392 Roundtrip, found 1 day ago

$392

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jun 29 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Thu, Jul 10, priced at $392 found 1 day ago

Sat, Jun 21 - Mon, Jun 23

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$402 Roundtrip, found 23 hours ago

$402

Roundtrip

found 23 hours ago

Select Delta flight, departing Sat, Jun 21 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Jun 23, priced at $402 found 23 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$407 Roundtrip, found 23 hours ago

$407

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $407 found 23 hours ago

Thu, Jun 19 - Thu, Jun 19

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$412 Roundtrip, found 23 hours ago

$412

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Thu, Jun 19, priced at $412 found 23 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$417 Roundtrip, found 23 hours ago

$417

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $417 found 23 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$420 Roundtrip, found 23 hours ago

$420

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $420 found 23 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$421 Roundtrip, found 23 hours ago

$421

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $421 found 23 hours ago

Fri, Jun 20 - Sun, Jun 22

PHL

Philadelphia Intl.

STL

Lambert-St. Louis Intl.

$593 Roundtrip, found 23 hours ago

$593

Roundtrip

found 23 hours ago

Select United flight, departing Fri, Jun 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $593 found 23 hours ago