Flights from O'Fallon

Cheapest flights from O'Fallon

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, Jul 9 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$120 Roundtrip, found 4 days ago

$120

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Jul 9 from Lambert-St. Louis Intl. to Orlando Intl., returning Wed, Jul 16, priced at $120 found 4 days ago

Mon, Sep 29 - Thu, Oct 2

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$138 Roundtrip, found 1 day ago

$138

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 29 from Lambert-St. Louis Intl. to Denver Intl., returning Thu, Oct 2, priced at $138 found 1 day ago

Wed, Oct 1 - Sun, Oct 5

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$148 Roundtrip, found 1 day ago

$148

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 1 from Lambert-St. Louis Intl. to Denver Intl., returning Sun, Oct 5, priced at $148 found 1 day ago

Sat, Jul 12 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$148 Roundtrip, found 3 days ago

$148

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from Lambert-St. Louis Intl. to Denver Intl., returning Wed, Jul 16, priced at $148 found 3 days ago

Sun, Jun 22 - Thu, Jun 26

STL

Lambert-St. Louis Intl.

DFW

Dallas-Fort Worth Intl.

$156 Roundtrip, found 1 day ago

$156

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Lambert-St. Louis Intl. to Dallas-Fort Worth Intl., returning Thu, Jun 26, priced at $156 found 1 day ago

Mon, Jul 7 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$157 Roundtrip, found 3 days ago

$157

Roundtrip

found 3 days ago

Select American Airlines flight, departing Mon, Jul 7 from Lambert-St. Louis Intl. to Tampa Intl., returning Thu, Jul 17, priced at $157 found 3 days ago

Wed, Jul 9 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$158 Roundtrip, found 3 days ago

$158

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Lambert-St. Louis Intl. to Denver Intl., returning Wed, Jul 16, priced at $158 found 3 days ago

Mon, Jul 7 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$159 Roundtrip, found 3 days ago

$159

Roundtrip

found 3 days ago

Select American Airlines flight, departing Mon, Jul 7 from Lambert-St. Louis Intl. to Tampa Intl., returning Thu, Jul 17, priced at $159 found 3 days ago

Fri, Jul 4 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

MCO

Orlando Intl.

$163 Roundtrip, found 4 days ago

$163

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Jul 4 from Lambert-St. Louis Intl. to Orlando Intl., returning Wed, Jul 16, priced at $163 found 4 days ago

Wed, Aug 27 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

MIA

Miami Intl.

$181 Roundtrip, found 1 day ago

$181

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Aug 27 from Lambert-St. Louis Intl. to Miami Intl., returning Wed, Sep 3, priced at $181 found 1 day ago

Mon, Jun 16 - Wed, Jun 18

STL

Lambert-St. Louis Intl.

PHX

Sky Harbor Intl.

$185 Roundtrip, found 6 days ago

$185

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jun 16 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Wed, Jun 18, priced at $185 found 6 days ago

Tue, Jul 8 - Tue, Jul 15

STL

Lambert-St. Louis Intl.

TPA

Tampa Intl.

$187 Roundtrip, found 4 days ago

$187

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Jul 8 from Lambert-St. Louis Intl. to Tampa Intl., returning Tue, Jul 15, priced at $187 found 4 days ago

Sat, Sep 13 - Sat, Sep 20

STL

Lambert-St. Louis Intl.

LAS

Harry Reid Intl.

$213 Roundtrip, found 5 days ago

$213

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Sep 13 from Lambert-St. Louis Intl. to Harry Reid Intl., returning Sat, Sep 20, priced at $213 found 5 days ago

Fri, Jul 11 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

DEN

Denver Intl.

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select United flight, departing Fri, Jul 11 from Lambert-St. Louis Intl. to Denver Intl., returning Fri, Jul 18, priced at $217 found 3 days ago

Tue, Sep 23 - Sat, Oct 4

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$222 Roundtrip, found 20 hours ago

$222

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Sat, Oct 4, priced at $222 found 20 hours ago

Sat, Nov 1 - Sat, Nov 8

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$230 Roundtrip, found 5 days ago

$230

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Nov 1 from Lambert-St. Louis Intl. to San Diego Intl., returning Sat, Nov 8, priced at $230 found 5 days ago

Tue, Nov 4 - Wed, Nov 5

STL

Lambert-St. Louis Intl.

SAN

San Diego Intl.

$318 Roundtrip, found 5 days ago

$318

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Tue, Nov 4 from Lambert-St. Louis Intl. to San Diego Intl., returning Wed, Nov 5, priced at $318 found 5 days ago

Wed, Sep 24 - Wed, Oct 1

STL

Lambert-St. Louis Intl.

LAX

Los Angeles Intl.

$318 Roundtrip, found 20 hours ago

$318

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Wed, Sep 24 from Lambert-St. Louis Intl. to Los Angeles Intl., returning Wed, Oct 1, priced at $318 found 20 hours ago

Fri, Jun 27 - Fri, Jun 27

STL

Lambert-St. Louis Intl.

DAL

Love Field

$395 Roundtrip, found 1 day ago

$395

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Jun 27 from Lambert-St. Louis Intl. to Love Field, returning Fri, Jun 27, priced at $395 found 1 day ago

Sat, Jun 28 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

CLD

McClellan-Palomar

$522 Roundtrip, found 3 days ago

$522

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Jun 28 from Lambert-St. Louis Intl. to McClellan-Palomar, returning Thu, Jul 3, priced at $522 found 3 days ago