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.

Sat, Sep 13 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$88 Roundtrip, found 6 days ago

$88

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Sep 13 from Lambert-St. Louis Intl. to Denver Intl., returning Tue, Sep 23, priced at $88 found 6 days ago

Sun, Oct 12 - Sun, Oct 19

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$88 Roundtrip, found 6 days ago

$88

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Sun, Oct 19, priced at $88 found 6 days ago

Sat, Oct 18 - Sat, Oct 25

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$136 Roundtrip, found 4 days ago

$136

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Lambert-St. Louis Intl. to Tampa Intl., returning Sat, Oct 25, priced at $136 found 4 days ago

Fri, Oct 10 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$141 Roundtrip, found 5 days ago

$141

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Sat, Oct 18, priced at $141 found 5 days ago

Mon, Sep 29 - Sun, Oct 5

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 29 from Lambert-St. Louis Intl. to San Diego Intl., returning Sun, Oct 5, priced at $154 found 1 day ago

Wed, Oct 1 - Mon, Oct 6

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Oct 1 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Mon, Oct 6, priced at $154 found 1 day ago

Sat, Dec 6 - Thu, Dec 11

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$154 Roundtrip, found 10 hours ago

$154

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sat, Dec 6 from Lambert-St. Louis Intl. to Orlando Intl., returning Thu, Dec 11, priced at $154 found 10 hours ago

Mon, Sep 22 - Mon, Sep 29

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$160 Roundtrip, found 15 hours ago

$160

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Mon, Sep 29, priced at $160 found 15 hours ago

Tue, Nov 18 - Tue, Nov 18

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$191 Roundtrip, found 6 days ago

$191

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Nov 18 from Lambert-St. Louis Intl. to Denver Intl., returning Tue, Nov 18, priced at $191 found 6 days ago

Tue, Oct 7 - Sun, Oct 12

STL

Lambert-St. Louis Intl.

RSW

Southwest Florida Intl.

$192 Roundtrip, found 6 days ago

$192

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Oct 7 from Lambert-St. Louis Intl. to Southwest Florida Intl., returning Sun, Oct 12, priced at $192 found 6 days ago

Tue, Oct 14 - Tue, Oct 21

STL

Lambert-St. Louis Intl.

DAL

Love Field

$197 Roundtrip, found 5 days ago

$197

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Oct 14 from Lambert-St. Louis Intl. to Love Field, returning Tue, Oct 21, priced at $197 found 5 days ago

Wed, Nov 12 - Wed, Nov 19

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$199 Roundtrip, found 12 hours ago

$199

Roundtrip

found 12 hours ago

Select Delta flight, departing Wed, Nov 12 from Lambert-St. Louis Intl. to Miami Intl., returning Wed, Nov 19, priced at $199 found 12 hours ago

Thu, Dec 4 - Thu, Dec 11

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$203 Roundtrip, found 10 hours ago

$203

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Thu, Dec 4 from Lambert-St. Louis Intl. to Orlando Intl., returning Thu, Dec 11, priced at $203 found 10 hours ago

Sat, Oct 18 - Wed, Oct 22

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$226 Roundtrip, found 14 hours ago

$226

Roundtrip

found 14 hours ago

Select American Airlines flight, departing Sat, Oct 18 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Wed, Oct 22, priced at $226 found 14 hours ago

Fri, May 8 - Mon, May 18

EVV

Evansville Regional

MCO

Orlando Intl.

$271 Roundtrip, found 6 days ago

$271

Roundtrip

found 6 days ago

Select Breeze Airways flight, departing Fri, May 8 from Evansville Regional to Orlando Intl., returning Mon, May 18, priced at $271 found 6 days ago

Tue, Sep 30 - Wed, Oct 1

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$273 Roundtrip, found 1 day ago

$273

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 30 from Lambert-St. Louis Intl. to San Diego Intl., returning Wed, Oct 1, priced at $273 found 1 day ago

Sat, Sep 27 - Sun, Oct 5

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Sep 27 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Sun, Oct 5, priced at $357 found 1 day ago

Sat, Sep 20 - Tue, Sep 23

EVV

Evansville Regional

LAS

Harry Reid Intl.

$397 Roundtrip, found 4 days ago

$397

Roundtrip

found 4 days ago

Select Delta flight, departing Sat, Sep 20 from Evansville Regional to Harry Reid Intl., returning Tue, Sep 23, priced at $397 found 4 days ago

Tue, Oct 28 - Tue, Nov 4

EVV

Evansville Regional

MIA

Miami Intl.

$399 Roundtrip, found 4 days ago

$399

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Oct 28 from Evansville Regional to Miami Intl., returning Tue, Nov 4, priced at $399 found 4 days ago

Tue, Oct 7 - Sat, Oct 11

EVV

Evansville Regional

PHX

Sky Harbor Intl.

$441 Roundtrip, found 1 day ago

$441

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Oct 7 from Evansville Regional to Sky Harbor Intl., returning Sat, Oct 11, priced at $441 found 1 day ago