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.

Tue, Aug 25 - Wed, Aug 26

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$98 Roundtrip, found 3 days ago

$98

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Aug 25 from Lambert-St. Louis Intl. to Denver Intl., returning Wed, Aug 26, priced at $98 found 3 days ago

Sat, Jun 20 - Thu, Jun 25

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$118 Roundtrip, found 17 hours ago

$118

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Sat, Jun 20 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Thu, Jun 25, priced at $118 found 17 hours ago

Tue, Jun 16 - Wed, Jun 17

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$178 Roundtrip, found 4 days ago

$178

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 16 from Lambert-St. Louis Intl. to Orlando Intl., returning Wed, Jun 17, priced at $178 found 4 days ago

Tue, Jul 14 - Wed, Jul 15

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$200 Roundtrip, found 3 days ago

$200

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Jul 14 from Lambert-St. Louis Intl. to Tampa Intl., returning Wed, Jul 15, priced at $200 found 3 days ago

Wed, Jul 22 - Tue, Jul 28

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$200 Roundtrip, found 2 days ago

$200

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 22 from Lambert-St. Louis Intl. to Miami Intl., returning Tue, Jul 28, priced at $200 found 2 days ago

Wed, Jul 1 - Sat, Jul 4

EVV

Evansville Regional

MCO

Orlando Intl.

$211 Roundtrip, found 4 days ago

$211

Roundtrip

found 4 days ago

Select Breeze Airways flight, departing Wed, Jul 1 from Evansville Regional to Orlando Intl., returning Sat, Jul 4, priced at $211 found 4 days ago

Tue, Jul 14 - Wed, Jul 15

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$220 Roundtrip, found 4 days ago

$220

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jul 14 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Wed, Jul 15, priced at $220 found 4 days ago

Wed, Aug 5 - Tue, Aug 11

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select Southwest Airlines flight, departing Wed, Aug 5 from Lambert-St. Louis Intl. to Tampa Intl., returning Tue, Aug 11, priced at $234 found 1 day ago

Wed, Jul 29 - Wed, Aug 5

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$237 Roundtrip, found 3 days ago

$237

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Jul 29 from Lambert-St. Louis Intl. to Denver Intl., returning Wed, Aug 5, priced at $237 found 3 days ago

Wed, Sep 16 - Tue, Sep 22

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$240 Roundtrip, found 5 days ago

$240

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Sep 16 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Tue, Sep 22, priced at $240 found 5 days ago

Mon, Jun 8 - Tue, Jun 16

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$259 Roundtrip, found 6 days ago

$259

Roundtrip

found 6 days ago

Select American Airlines flight, departing Mon, Jun 8 from Lambert-St. Louis Intl. to San Diego Intl., returning Tue, Jun 16, priced at $259 found 6 days ago

Wed, Jun 3 - Tue, Jun 9

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$260 Roundtrip, found 1 hour ago

$260

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Wed, Jun 3 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Tue, Jun 9, priced at $260 found 1 hour ago

Tue, Jun 23 - Tue, Jun 23

STL

Lambert-St. Louis Intl.

DAL

Love Field

$281 Roundtrip, found 3 days ago

$281

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Jun 23 from Lambert-St. Louis Intl. to Love Field, returning Tue, Jun 23, priced at $281 found 3 days ago

Tue, Oct 6 - Wed, Oct 14

STL

Lambert-St. Louis Intl.

RSW

Southwest Florida Intl.

$365 Roundtrip, found 4 days ago

$365

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Oct 6 from Lambert-St. Louis Intl. to Southwest Florida Intl., returning Wed, Oct 14, priced at $365 found 4 days ago

Wed, Jun 10 - Tue, Jun 16

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$387 Roundtrip, found 6 days ago

$387

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jun 10 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Tue, Jun 16, priced at $387 found 6 days ago

Thu, Aug 6 - Sun, Aug 9

EVV

Evansville Regional

TPA

Tampa Intl.

$447 Roundtrip, found 1 day ago

$447

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 6 from Evansville Regional to Tampa Intl., returning Sun, Aug 9, priced at $447 found 1 day ago

Tue, Jun 9 - Tue, Jun 16

EVV

Evansville Regional

DAL

Love Field

$491 Roundtrip, found 6 days ago

$491

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Jun 9 from Evansville Regional to Love Field, returning Tue, Jun 16, priced at $491 found 6 days ago

Tue, Jun 9 - Tue, Jun 16

EVV

Evansville Regional

DFW

Dallas-Fort Worth Intl.

$496 Roundtrip, found 2 days ago

$496

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jun 9 from Evansville Regional to Dallas-Fort Worth Intl., returning Tue, Jun 16, priced at $496 found 2 days ago

Thu, Oct 29 - Tue, Nov 3

EVV

Evansville Regional

LAS

Harry Reid Intl.

$513 Roundtrip, found 3 days ago

$513

Roundtrip

found 3 days ago

Select Delta flight, departing Thu, Oct 29 from Evansville Regional to Harry Reid Intl., returning Tue, Nov 3, priced at $513 found 3 days ago

Sat, May 23 - Wed, May 27

CGI

Cape Girardeau Municipal

PHX

Sky Harbor Intl.

$544 Roundtrip, found 6 days ago

$544

Roundtrip

found 6 days ago

Select Contour Airlines flight, departing Sat, May 23 from Cape Girardeau Municipal to Sky Harbor Intl., returning Wed, May 27, priced at $544 found 6 days ago