Flights from Houston to Frontenac

Cheapest flights from Houston

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.

Tue, Jun 3 - Wed, Jun 4

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$221 Roundtrip, found 11 hours ago

$221

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Tue, Jun 3 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Jun 4, priced at $221 found 11 hours ago

Tue, Jun 3 - Mon, Jun 9

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$231 Roundtrip, found 11 hours ago

$231

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Tue, Jun 3 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $231 found 11 hours ago

Fri, May 30 - Mon, Jun 9

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$241 Roundtrip, found 11 hours ago

$241

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $241 found 11 hours ago

Fri, May 30 - Sat, May 31

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$242 Roundtrip, found 11 hours ago

$242

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sat, May 31, priced at $242 found 11 hours ago

Fri, May 30 - Fri, Jun 6

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$252 Roundtrip, found 11 hours ago

$252

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Fri, Jun 6, priced at $252 found 11 hours ago

Mon, Jun 2 - Wed, Jun 4

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$271 Roundtrip, found 11 hours ago

$271

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Jun 2 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Jun 4, priced at $271 found 11 hours ago

Mon, Jun 2 - Mon, Jun 9

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$281 Roundtrip, found 11 hours ago

$281

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Jun 2 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $281 found 11 hours ago

Sat, May 31 - Mon, Jun 9

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$291 Roundtrip, found 11 hours ago

$291

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, May 31 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $291 found 11 hours ago

Sat, May 31 - Mon, Jun 2

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$292 Roundtrip, found 11 hours ago

$292

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, May 31 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 2, priced at $292 found 11 hours ago

Sat, May 31 - Fri, Jun 6

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$302 Roundtrip, found 11 hours ago

$302

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, May 31 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Fri, Jun 6, priced at $302 found 11 hours ago

Mon, Jun 2 - Tue, Jun 3

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$332 Roundtrip, found 11 hours ago

$332

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Jun 2 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Tue, Jun 3, priced at $332 found 11 hours ago

Fri, May 30 - Sun, Jun 1

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$342 Roundtrip, found 11 hours ago

$342

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $342 found 11 hours ago

Tue, Jun 3 - Sun, Jun 8

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$352 Roundtrip, found 11 hours ago

$352

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Tue, Jun 3 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sun, Jun 8, priced at $352 found 11 hours ago

Fri, May 30 - Sun, Jun 8

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$362 Roundtrip, found 11 hours ago

$362

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sun, Jun 8, priced at $362 found 11 hours ago

Sun, Jun 1 - Wed, Jun 4

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$371 Roundtrip, found 11 hours ago

$371

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sun, Jun 1 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Jun 4, priced at $371 found 11 hours ago

Sun, Jun 1 - Mon, Jun 9

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$381 Roundtrip, found 11 hours ago

$381

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sun, Jun 1 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $381 found 11 hours ago

Sun, Jun 1 - Mon, Jun 2

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$382 Roundtrip, found 11 hours ago

$382

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sun, Jun 1 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 2, priced at $382 found 11 hours ago

Mon, Jun 2 - Mon, Jun 2

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$851 Roundtrip, found 11 hours ago

$851

Roundtrip

found 11 hours ago

Select American Airlines flight, departing Mon, Jun 2 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Mon, Jun 2, priced at $851 found 11 hours ago

Fri, May 30 - Sun, Jun 1

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$857 Roundtrip, found 11 hours ago

$857

Roundtrip

found 11 hours ago

Select Delta flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $857 found 11 hours ago

Fri, May 30 - Sun, Jun 1

IAH

George Bush Intercontinental

STL

Lambert-St. Louis Intl.

$930 Roundtrip, found 11 hours ago

$930

Roundtrip

found 11 hours ago

Select United flight, departing Fri, May 30 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sun, Jun 1, priced at $930 found 11 hours ago