Flights from Southern Illinois

Cheapest flights from Southern Illinois

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, Sep 29 - Thu, Oct 2

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$138 Roundtrip, found 4 days ago

$138

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 29 from Lambert-St. Louis Intl. to Denver Intl., returning Thu, Oct 2, priced at $138 found 4 days ago

Sun, Jun 22 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$156 Roundtrip, found 4 days ago

$156

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Thu, Jun 26, priced at $156 found 4 days ago

Mon, Jul 7 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Jul 7 from Lambert-St. Louis Intl. to Tampa Intl., returning Thu, Jul 17, priced at $157 found 6 days ago

Mon, Jul 7 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Jul 7 from Lambert-St. Louis Intl. to Tampa Intl., returning Thu, Jul 17, priced at $159 found 6 days ago

Wed, Jun 25 - Tue, Jul 1

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$178 Roundtrip, found 1 day ago

$178

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Lambert-St. Louis Intl. to Orlando Intl., returning Tue, Jul 1, priced at $178 found 1 day ago

Mon, Jun 23 - Sun, Jun 29

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$179 Roundtrip, found 4 days ago

$179

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Sun, Jun 29, priced at $179 found 4 days ago

Tue, Jun 24 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$180 Roundtrip, found 1 day ago

$180

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Jun 24 from Lambert-St. Louis Intl. to Miami Intl., returning Thu, Jun 26, priced at $180 found 1 day ago

Wed, Jul 30 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$191 Roundtrip, found 1 day ago

$191

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jul 30 from Lambert-St. Louis Intl. to Denver Intl., returning Wed, Jul 30, priced at $191 found 1 day ago

Tue, Jul 8 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

RSW

Southwest Florida Intl.

$197 Roundtrip, found 11 hours ago

$197

Roundtrip

found 11 hours ago

Select Delta flight, departing Tue, Jul 8 from Lambert-St. Louis Intl. to Southwest Florida Intl., returning Tue, Jul 22, priced at $197 found 11 hours ago

Mon, Aug 11 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$216 Roundtrip, found 6 days ago

$216

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Tue, Aug 19, priced at $216 found 6 days ago

Fri, Jul 11 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$217 Roundtrip, found 6 days ago

$217

Roundtrip

found 6 days ago

Select United flight, departing Fri, Jul 11 from Lambert-St. Louis Intl. to Denver Intl., returning Fri, Jul 18, priced at $217 found 6 days ago

Wed, Sep 3 - Sat, Sep 13

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$222 Roundtrip, found 2 days ago

$222

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Sep 3 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Sat, Sep 13, priced at $222 found 2 days ago

Tue, Aug 26 - Sat, Sep 6

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$222 Roundtrip, found 1 day ago

$222

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Aug 26 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Sat, Sep 6, priced at $222 found 1 day ago

Sat, Jun 14 - Tue, Jun 17

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$231 Roundtrip, found 3 days ago

$231

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Lambert-St. Louis Intl. to San Diego Intl., returning Tue, Jun 17, priced at $231 found 3 days ago

Mon, Aug 25 - Fri, Aug 29

EVV

Evansville Regional

MCO

Orlando Intl.

$241 Roundtrip, found 1 day ago

$241

Roundtrip

found 1 day ago

Select Breeze Airways flight, departing Mon, Aug 25 from Evansville Regional to Orlando Intl., returning Fri, Aug 29, priced at $241 found 1 day ago

Wed, Sep 24 - Wed, Oct 1

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$318 Roundtrip, found 3 days ago

$318

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Wed, Sep 24 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Wed, Oct 1, priced at $318 found 3 days ago

Wed, Jun 18 - Tue, Jun 24

EVV

Evansville Regional

TPA

Tampa Intl.

$329 Roundtrip, found 6 days ago

$329

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Jun 18 from Evansville Regional to Tampa Intl., returning Tue, Jun 24, priced at $329 found 6 days ago

Fri, Jun 27 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

DAL

Love Field

$395 Roundtrip, found 4 days ago

$395

Roundtrip

found 4 days ago

Select Delta flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Love Field, returning Fri, Jun 27, priced at $395 found 4 days ago

Tue, Jun 24 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$474 Roundtrip, found 6 days ago

$474

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Tue, Jun 24 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Thu, Jun 26, priced at $474 found 6 days ago

Sat, Jun 28 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$522 Roundtrip, found 6 days ago

$522

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sat, Jun 28 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Thu, Jul 3, priced at $522 found 6 days ago