Flights from St. Louis to Decatur

Cheapest flights from St. Louis

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, Sep 23 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $137 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$147 Roundtrip, found 1 day ago

$147

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $147 found 1 day ago

Fri, Sep 19 - Sat, Sep 27

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Sep 19 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Sat, Sep 27, priced at $151 found 1 day ago

Fri, Sep 19 - Fri, Oct 3

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Fri, Oct 3, priced at $157 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$159 Roundtrip, found 1 day ago

$159

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $159 found 1 day ago

Tue, Sep 23 - Sat, Sep 27

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$168 Roundtrip, found 1 day ago

$168

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Sat, Sep 27, priced at $168 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$178 Roundtrip, found 1 day ago

$178

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $178 found 1 day ago

Tue, Sep 23 - Sun, Sep 28

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$188 Roundtrip, found 1 day ago

$188

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Sun, Sep 28, priced at $188 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $197 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $197 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$198 Roundtrip, found 1 day ago

$198

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $198 found 1 day ago

Sat, Sep 20 - Sat, Sep 27

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Sat, Sep 27, priced at $199 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$204 Roundtrip, found 1 day ago

$204

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $204 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$208 Roundtrip, found 1 day ago

$208

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $208 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $217 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $218 found 1 day ago

Sat, Sep 20 - Sun, Sep 28

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$219 Roundtrip, found 1 day ago

$219

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Sun, Sep 28, priced at $219 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $223 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $228 found 1 day ago

Mon, Sep 22 - Tue, Sep 30

STL

Lambert-St. Louis Intl.

ATL

Hartsfield-Jackson Atlanta Intl.

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Sep 22 from Lambert-St. Louis Intl. to Hartsfield-Jackson Atlanta Intl., returning Tue, Sep 30, priced at $229 found 1 day ago