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.

Sun, Jan 18 - Thu, Jan 22

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$98 Roundtrip, found 1 day ago

$98

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 18 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Thu, Jan 22, priced at $98 found 1 day ago

Mon, Nov 24 - Fri, Nov 28

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$108 Roundtrip, found 2 hours ago

$108

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Mon, Nov 24 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Fri, Nov 28, priced at $108 found 2 hours ago

Fri, Nov 28 - Fri, Dec 5

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$109 Roundtrip, found 13 hours ago

$109

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Fri, Dec 5, priced at $109 found 13 hours ago

Mon, Dec 8 - Fri, Dec 12

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$118 Roundtrip, found 8 hours ago

$118

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, Dec 8 from Lambert-St. Louis Intl. to Orlando Intl., returning Fri, Dec 12, priced at $118 found 8 hours ago

Wed, Jan 7 - Tue, Jan 13

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$120 Roundtrip, found 2 days ago

$120

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jan 7 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Tue, Jan 13, priced at $120 found 2 days ago

Mon, Dec 15 - Wed, Dec 17

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$140 Roundtrip, found 1 day ago

$140

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 15 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Wed, Dec 17, priced at $140 found 1 day ago

Tue, Nov 18 - Tue, Nov 25

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$144 Roundtrip, found 2 days ago

$144

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Nov 18 from Lambert-St. Louis Intl. to San Diego Intl., returning Tue, Nov 25, priced at $144 found 2 days ago

Tue, Jan 6 - Sat, Jan 17

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jan 6 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Sat, Jan 17, priced at $157 found 1 day ago

Sun, Jan 18 - Thu, Jan 22

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$205 Roundtrip, found 2 days ago

$205

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sun, Jan 18 from Lambert-St. Louis Intl. to Miami Intl., returning Thu, Jan 22, priced at $205 found 2 days ago

Tue, Dec 2 - Sat, Dec 6

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$229 Roundtrip, found 13 hours ago

$229

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Tue, Dec 2 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Sat, Dec 6, priced at $229 found 13 hours ago

Tue, Jan 20 - Fri, Jan 23

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$259 Roundtrip, found 1 day ago

$259

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Tue, Jan 20 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Fri, Jan 23, priced at $259 found 1 day ago

Fri, Jan 9 - Mon, Jan 12

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$262 Roundtrip, found 2 days ago

$262

Roundtrip

found 2 days ago

Select United flight, departing Fri, Jan 9 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Mon, Jan 12, priced at $262 found 2 days ago

Fri, Jan 9 - Mon, Jan 12

STL

Lambert-St. Louis Intl.

DAL

Love Field

$315 Roundtrip, found 2 days ago

$315

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jan 9 from Lambert-St. Louis Intl. to Love Field, returning Mon, Jan 12, priced at $315 found 2 days ago

Wed, Jan 7 - Wed, Jan 14

EVV

Evansville Regional

DFW

Dallas-Fort Worth Intl.

$369 Roundtrip, found 4 hours ago

$369

Roundtrip

found 4 hours ago

Select American Airlines flight, departing Wed, Jan 7 from Evansville Regional to Dallas-Fort Worth Intl., returning Wed, Jan 14, priced at $369 found 4 hours ago

Tue, Jan 6 - Tue, Jan 13

EVV

Evansville Regional

DAL

Love Field

$389 Roundtrip, found 4 hours ago

$389

Roundtrip

found 4 hours ago

Select Delta flight, departing Tue, Jan 6 from Evansville Regional to Love Field, returning Tue, Jan 13, priced at $389 found 4 hours ago

Tue, Dec 9 - Mon, Dec 22

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$389 Roundtrip, found 1 day ago

$389

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Dec 9 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Mon, Dec 22, priced at $389 found 1 day ago

Wed, Dec 3 - Tue, Dec 9

MWA

Williamson County Regional

TPA

Tampa Intl.

$396 Roundtrip, found 6 days ago

$396

Roundtrip

found 6 days ago

Select Contour Airlines flight, departing Wed, Dec 3 from Williamson County Regional to Tampa Intl., returning Tue, Dec 9, priced at $396 found 6 days ago

Thu, Nov 20 - Wed, Nov 26

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$422 Roundtrip, found 2 days ago

$422

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Nov 20 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Wed, Nov 26, priced at $422 found 2 days ago

Wed, Dec 31 - Wed, Jan 7

MWA

Williamson County Regional

MCO

Orlando Intl.

$444 Roundtrip, found 17 hours ago

$444

Roundtrip

found 17 hours ago

Select Contour Airlines flight, departing Wed, Dec 31 from Williamson County Regional to Orlando Intl., returning Wed, Jan 7, priced at $444 found 17 hours ago

Sat, Nov 15 - Sun, Nov 16

EVV

Evansville Regional

RSW

Southwest Florida Intl.

$487 Roundtrip, found 5 days ago

$487

Roundtrip

found 5 days ago

Select Delta flight, departing Sat, Nov 15 from Evansville Regional to Southwest Florida Intl., returning Sun, Nov 16, priced at $487 found 5 days ago