Flights from St. Louis to Slidell

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.

Thu, Sep 18 - Sat, Sep 27

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Sep 18 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Sep 27, priced at $179 found 1 day ago

Thu, Sep 18 - Wed, Sep 24

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Sep 18 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Wed, Sep 24, priced at $197 found 1 day ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$206 Roundtrip, found 6 days ago

$206

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $206 found 6 days ago

Wed, Aug 6 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$218 Roundtrip, found 2 days ago

$218

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Fri, Aug 15, priced at $218 found 2 days ago

Sat, Sep 20 - Tue, Sep 23

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Tue, Sep 23, priced at $227 found 1 day ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$227 Roundtrip, found 6 days ago

$227

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $227 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$228 Roundtrip, found 6 days ago

$228

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sun, Aug 17, priced at $228 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$238 Roundtrip, found 6 days ago

$238

Roundtrip

found 6 days ago

Select Delta flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sun, Aug 17, priced at $238 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$249 Roundtrip, found 6 days ago

$249

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sun, Aug 17, priced at $249 found 6 days ago

Sat, Sep 20 - Mon, Sep 29

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Sep 20 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Mon, Sep 29, priced at $250 found 1 day ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$252 Roundtrip, found 6 days ago

$252

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $252 found 6 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$257 Roundtrip, found 6 days ago

$257

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $257 found 6 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$262 Roundtrip, found 6 days ago

$262

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $262 found 6 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$267 Roundtrip, found 6 days ago

$267

Roundtrip

found 6 days ago

Select American Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $267 found 6 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$268 Roundtrip, found 6 days ago

$268

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $268 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$268 Roundtrip, found 6 days ago

$268

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sun, Aug 17, priced at $268 found 6 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$271 Roundtrip, found 6 days ago

$271

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $271 found 6 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$272 Roundtrip, found 6 days ago

$272

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sat, Aug 16, priced at $272 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$273 Roundtrip, found 6 days ago

$273

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sun, Aug 17, priced at $273 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

MSY

Louis Armstrong New Orleans Intl.

$276 Roundtrip, found 6 days ago

$276

Roundtrip

found 6 days ago

Select United flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Louis Armstrong New Orleans Intl., returning Sun, Aug 17, priced at $276 found 6 days ago