Flights from St. Louis to Ohio River Valley

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, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$217 Roundtrip, found 5 hours ago

$217

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $217 found 5 hours ago

Sat, Nov 1 - Tue, Nov 4

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$217 Roundtrip, found 5 hours ago

$217

Roundtrip

found 5 hours ago

Select Delta flight, departing Sat, Nov 1 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Tue, Nov 4, priced at $217 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$217 Roundtrip, found 5 hours ago

$217

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $217 found 5 hours ago

Thu, Aug 7 - Sun, Aug 10

STL

Lambert-St. Louis Intl.

CLE

Hopkins Intl.

$228 Roundtrip, found 5 days ago

$228

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Lambert-St. Louis Intl. to Hopkins Intl., returning Sun, Aug 10, priced at $228 found 5 days ago

Sun, Nov 2 - Fri, Nov 7

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$228 Roundtrip, found 5 hours ago

$228

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sun, Nov 2 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Fri, Nov 7, priced at $228 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$242 Roundtrip, found 5 hours ago

$242

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $242 found 5 hours ago

Fri, Oct 31 - Tue, Nov 4

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$245 Roundtrip, found 5 hours ago

$245

Roundtrip

found 5 hours ago

Select Delta flight, departing Fri, Oct 31 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Tue, Nov 4, priced at $245 found 5 hours ago

Sun, Nov 2 - Sat, Nov 8

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$245 Roundtrip, found 5 hours ago

$245

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Sun, Nov 2 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Sat, Nov 8, priced at $245 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$248 Roundtrip, found 5 hours ago

$248

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $248 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$252 Roundtrip, found 5 hours ago

$252

Roundtrip

found 5 hours ago

Select Delta flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $252 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$253 Roundtrip, found 5 hours ago

$253

Roundtrip

found 5 hours ago

Select United flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $253 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$269 Roundtrip, found 5 hours ago

$269

Roundtrip

found 5 hours ago

Select United flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $269 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$270 Roundtrip, found 5 hours ago

$270

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $270 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$273 Roundtrip, found 5 hours ago

$273

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $273 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$278 Roundtrip, found 5 hours ago

$278

Roundtrip

found 5 hours ago

Select United flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $278 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$279 Roundtrip, found 5 hours ago

$279

Roundtrip

found 5 hours ago

Select United flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $279 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$280 Roundtrip, found 5 hours ago

$280

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $280 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$282 Roundtrip, found 5 hours ago

$282

Roundtrip

found 5 hours ago

Select Delta flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $282 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$285 Roundtrip, found 5 hours ago

$285

Roundtrip

found 5 hours ago

Select Delta flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $285 found 5 hours ago

Mon, Nov 3 - Thu, Nov 6

STL

Lambert-St. Louis Intl.

PIT

Pittsburgh Intl.

$286 Roundtrip, found 5 hours ago

$286

Roundtrip

found 5 hours ago

Select Delta flight, departing Mon, Nov 3 from Lambert-St. Louis Intl. to Pittsburgh Intl., returning Thu, Nov 6, priced at $286 found 5 hours ago