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.

Wed, Sep 23 - Fri, Sep 25

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$118 Roundtrip, found 4 days ago

$118

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Sep 23 from Lambert-St. Louis Intl. to Denver Intl., returning Fri, Sep 25, priced at $118 found 4 days ago

Sat, Nov 7 - Sat, Nov 14

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$138 Roundtrip, found 19 hours ago

$138

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Sat, Nov 7 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Sat, Nov 14, priced at $138 found 19 hours ago

Sat, Nov 14 - Tue, Nov 17

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$160 Roundtrip, found 17 hours ago

$160

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Nov 14 from Lambert-St. Louis Intl. to Orlando Intl., returning Tue, Nov 17, priced at $160 found 17 hours ago

Mon, Oct 19 - Thu, Nov 5

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$162 Roundtrip, found 15 hours ago

$162

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Oct 19 from Lambert-St. Louis Intl. to Miami Intl., returning Thu, Nov 5, priced at $162 found 15 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$164 Roundtrip, found 2 days ago

$164

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Wed, Oct 21, priced at $164 found 2 days ago

Thu, Sep 24 - Mon, Oct 5

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$168 Roundtrip, found 8 hours ago

$168

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Sep 24 from Lambert-St. Louis Intl. to Tampa Intl., returning Mon, Oct 5, priced at $168 found 8 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

Lambert-St. Louis Intl.

DAL

Love Field

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select Southwest Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Love Field, returning Wed, Oct 21, priced at $177 found 2 days ago

Wed, Sep 30 - Tue, Oct 13

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$177 Roundtrip, found 13 hours ago

$177

Roundtrip

found 13 hours ago

Select United flight, departing Wed, Sep 30 from Lambert-St. Louis Intl. to Denver Intl., returning Tue, Oct 13, priced at $177 found 13 hours ago

Wed, Sep 30 - Tue, Oct 13

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$177 Roundtrip, found 13 hours ago

$177

Roundtrip

found 13 hours ago

Select Southwest Airlines flight, departing Wed, Sep 30 from Lambert-St. Louis Intl. to Denver Intl., returning Tue, Oct 13, priced at $177 found 13 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Wed, Oct 21, priced at $177 found 2 days ago

Tue, Sep 15 - Sat, Sep 19

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$184 Roundtrip, found 2 days ago

$184

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Sep 15 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Sat, Sep 19, priced at $184 found 2 days ago

Sat, Oct 24 - Tue, Oct 27

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$186 Roundtrip, found 18 hours ago

$186

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sat, Oct 24 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Tue, Oct 27, priced at $186 found 18 hours ago

Wed, Oct 14 - Wed, Oct 21

EVV

Evansville Regional

MCO

Orlando Intl.

$195 Roundtrip, found 5 days ago

$195

Roundtrip

found 5 days ago

Select Breeze Airways flight, departing Wed, Oct 14 from Evansville Regional to Orlando Intl., returning Wed, Oct 21, priced at $195 found 5 days ago

Mon, Aug 31 - Sun, Sep 6

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$218 Roundtrip, found 4 days ago

$218

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Aug 31 from Lambert-St. Louis Intl. to San Diego Intl., returning Sun, Sep 6, priced at $218 found 4 days ago

Sat, Sep 12 - Sat, Sep 19

STL

Lambert-St. Louis Intl.

RSW

Southwest Florida Intl.

$293 Roundtrip, found 3 days ago

$293

Roundtrip

found 3 days ago

Select Southwest Airlines flight, departing Sat, Sep 12 from Lambert-St. Louis Intl. to Southwest Florida Intl., returning Sat, Sep 19, priced at $293 found 3 days ago

Wed, Oct 28 - Tue, Nov 10

PAH

Barkley Regional

LAX

Los Angeles Intl.

$348 Roundtrip, found 3 days ago

$348

Roundtrip

found 3 days ago

Select United flight, departing Wed, Oct 28 from Barkley Regional to Los Angeles Intl., returning Tue, Nov 10, priced at $348 found 3 days ago

Sat, Aug 22 - Tue, Sep 8

EVV

Evansville Regional

TPA

Tampa Intl.

$419 Roundtrip, found 23 hours ago

$419

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sat, Aug 22 from Evansville Regional to Tampa Intl., returning Tue, Sep 8, priced at $419 found 23 hours ago

Tue, Sep 15 - Sat, Sep 19

EVV

Evansville Regional

MIA

Miami Intl.

$429 Roundtrip, found 1 day ago

$429

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 15 from Evansville Regional to Miami Intl., returning Sat, Sep 19, priced at $429 found 1 day ago

Tue, Aug 25 - Sat, Aug 29

EVV

Evansville Regional

LAX

Los Angeles Intl.

$541 Roundtrip, found 6 days ago

$541

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 25 from Evansville Regional to Los Angeles Intl., returning Sat, Aug 29, priced at $541 found 6 days ago

Thu, Sep 3 - Sun, Sep 6

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$610 Roundtrip, found 4 days ago

$610

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Sep 3 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Sun, Sep 6, priced at $610 found 4 days ago