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 30 - Tue, Oct 13

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$98 Roundtrip, found 22 hours ago

$98

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Sep 30 from Lambert-St. Louis Intl. to Denver Intl., returning Tue, Oct 13, priced at $98 found 22 hours ago

Sun, Oct 18 - Mon, Oct 19

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$111 Roundtrip, found 1 day ago

$111

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Oct 18 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Mon, Oct 19, priced at $111 found 1 day ago

Tue, Sep 29 - Sat, Oct 3

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$138 Roundtrip, found 1 hour ago

$138

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Sep 29 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Sat, Oct 3, priced at $138 found 1 hour ago

Wed, Sep 23 - Mon, Sep 28

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$162 Roundtrip, just found

$162

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Sep 23 from Lambert-St. Louis Intl. to Miami Intl., returning Mon, Sep 28, priced at $162 just found

Mon, Oct 19 - Fri, Oct 23

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$163 Roundtrip, found 5 days ago

$163

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Oct 19 from Lambert-St. Louis Intl. to Orlando Intl., returning Fri, Oct 23, priced at $163 found 5 days ago

Sat, Oct 17 - Wed, Oct 21

STL

Lambert-St. Louis Intl.

DAL

Love Field

$177 Roundtrip, found 21 hours ago

$177

Roundtrip

found 21 hours 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 21 hours ago

Sat, Oct 17 - Wed, Oct 21

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$177 Roundtrip, found 21 hours ago

$177

Roundtrip

found 21 hours 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 21 hours ago

Tue, Sep 15 - Sat, Sep 19

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$184 Roundtrip, found 19 hours ago

$184

Roundtrip

found 19 hours 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 19 hours ago

Wed, Oct 14 - Wed, Oct 21

EVV

Evansville Regional

MCO

Orlando Intl.

$195 Roundtrip, found 3 days ago

$195

Roundtrip

found 3 days ago

Select Breeze Airways flight, departing Wed, Oct 14 from Evansville Regional to Orlando Intl., returning Wed, Oct 21, priced at $195 found 3 days ago

Sat, Oct 17 - Wed, Oct 21

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$197 Roundtrip, found 21 hours ago

$197

Roundtrip

found 21 hours ago

Select United flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Wed, Oct 21, priced at $197 found 21 hours ago

Tue, Sep 22 - Wed, Oct 7

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$205 Roundtrip, found 2 days ago

$205

Roundtrip

found 2 days ago

Select Southwest Airlines flight, departing Tue, Sep 22 from Lambert-St. Louis Intl. to Tampa Intl., returning Wed, Oct 7, priced at $205 found 2 days ago

Mon, Aug 31 - Sun, Sep 6

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 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 2 days ago

Sat, Sep 12 - Sat, Sep 19

STL

Lambert-St. Louis Intl.

RSW

Southwest Florida Intl.

$293 Roundtrip, found 1 day ago

$293

Roundtrip

found 1 day 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 1 day ago

Tue, Sep 15 - Sat, Sep 26

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$294 Roundtrip, found 6 days ago

$294

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Sep 15 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Sat, Sep 26, priced at $294 found 6 days ago

Wed, Oct 28 - Tue, Nov 10

PAH

Barkley Regional

LAX

Los Angeles Intl.

$348 Roundtrip, found 1 day ago

$348

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 28 from Barkley Regional to Los Angeles Intl., returning Tue, Nov 10, priced at $348 found 1 day ago

Sat, Aug 22 - Tue, Aug 25

EVV

Evansville Regional

TPA

Tampa Intl.

$419 Roundtrip, found 1 day ago

$419

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 22 from Evansville Regional to Tampa Intl., returning Tue, Aug 25, priced at $419 found 1 day ago

Wed, Dec 2 - Tue, Dec 8

EVV

Evansville Regional

MIA

Miami Intl.

$429 Roundtrip, found 3 hours ago

$429

Roundtrip

found 3 hours ago

Select Delta flight, departing Wed, Dec 2 from Evansville Regional to Miami Intl., returning Tue, Dec 8, priced at $429 found 3 hours ago

Tue, Oct 20 - Sat, Oct 24

EVV

Evansville Regional

PHX

Sky Harbor Intl.

$491 Roundtrip, found 6 days ago

$491

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Oct 20 from Evansville Regional to Sky Harbor Intl., returning Sat, Oct 24, priced at $491 found 6 days ago

Tue, Aug 25 - Sat, Aug 29

EVV

Evansville Regional

LAX

Los Angeles Intl.

$541 Roundtrip, found 4 days ago

$541

Roundtrip

found 4 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 4 days ago

Thu, Sep 3 - Sun, Sep 6

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$610 Roundtrip, found 2 days ago

$610

Roundtrip

found 2 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 2 days ago