Flights from St. Louis to Willis

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.

Tue, Jun 10 - Sat, Jun 14

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$204 Roundtrip, found 3 days ago

$204

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Jun 14, priced at $204 found 3 days ago

Sat, Jun 14 - Sat, Jun 21

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$207 Roundtrip, found 3 days ago

$207

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Jun 21, priced at $207 found 3 days ago

Mon, Aug 18 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$208 Roundtrip, found 1 day ago

$208

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 18 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Aug 23, priced at $208 found 1 day ago

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$210 Roundtrip, found 5 days ago

$210

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Jul 19, priced at $210 found 5 days ago

Mon, Aug 18 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$212 Roundtrip, found 1 day ago

$212

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 18 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Thu, Aug 21, priced at $212 found 1 day ago

Thu, Jun 12 - Sat, Jun 14

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$213 Roundtrip, found 3 days ago

$213

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Jun 14, priced at $213 found 3 days ago

Thu, Jun 12 - Sat, Jun 21

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$216 Roundtrip, found 3 days ago

$216

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Jun 21, priced at $216 found 3 days ago

Tue, Aug 12 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Aug 23, priced at $217 found 1 day ago

Sat, Jul 19 - Sun, Jul 20

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$220 Roundtrip, found 5 days ago

$220

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sun, Jul 20, priced at $220 found 5 days ago

Wed, Aug 13 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 13 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Mon, Aug 18, priced at $221 found 1 day ago

Thu, Jun 12 - Fri, Jun 13

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$222 Roundtrip, found 3 days ago

$222

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Fri, Jun 13, priced at $222 found 3 days ago

Fri, Jun 13 - Sat, Jun 21

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$225 Roundtrip, found 3 days ago

$225

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sat, Jun 21, priced at $225 found 3 days ago

Sun, Aug 17 - Wed, Aug 20

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$226 Roundtrip, found 1 day ago

$226

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Wed, Aug 20, priced at $226 found 1 day ago

Thu, Aug 14 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Tue, Aug 19, priced at $227 found 1 day ago

Sat, Jun 21 - Tue, Jun 24

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$230 Roundtrip, found 5 hours ago

$230

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Tue, Jun 24, priced at $230 found 5 hours ago

Thu, Aug 14 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$231 Roundtrip, found 1 day ago

$231

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Mon, Aug 18, priced at $231 found 1 day ago

Fri, Jun 13 - Sun, Jun 22

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$235 Roundtrip, found 3 days ago

$235

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sun, Jun 22, priced at $235 found 3 days ago

Sat, Jun 21 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$240 Roundtrip, found 5 hours ago

$240

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sat, Jun 21 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Thu, Jun 26, priced at $240 found 5 hours ago

Sun, Aug 17 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$241 Roundtrip, found 1 day ago

$241

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Sun, Aug 17, priced at $241 found 1 day ago

Wed, Jun 25 - Wed, Jun 25

STL

Lambert-St. Louis Intl.

IAH

George Bush Intercontinental

$417 Roundtrip, found 5 hours ago

$417

Roundtrip

found 5 hours ago

Select Delta flight, departing Wed, Jun 25 from Lambert-St. Louis Intl. to George Bush Intercontinental, returning Wed, Jun 25, priced at $417 found 5 hours ago