Flights from St. Louis to Mastic Beach

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.

Sun, Jul 20 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Jul 20 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 31, priced at $151 found 1 day ago

Mon, Aug 25 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

EWR

Newark Liberty Intl. Airport

$151 Roundtrip, found 6 days ago

$151

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Sep 3, priced at $151 found 6 days ago

Mon, Jul 21 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$161 Roundtrip, found 1 day ago

$161

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 31, priced at $161 found 1 day ago

Thu, Jul 10 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

EWR

Newark Liberty Intl. Airport

$168 Roundtrip, found 6 days ago

$168

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Fri, Jul 18, priced at $168 found 6 days ago

Mon, Jul 21 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$171 Roundtrip, found 1 day ago

$171

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Aug 2, priced at $171 found 1 day ago

Sat, Jul 26 - Mon, Jul 28

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$173 Roundtrip, found 4 days ago

$173

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Jul 26 from Lambert-St. Louis Intl. to LaGuardia, returning Mon, Jul 28, priced at $173 found 4 days ago

Mon, Aug 25 - Thu, Aug 28

STL

Lambert-St. Louis Intl.

EWR

Newark Liberty Intl. Airport

$175 Roundtrip, found 6 days ago

$175

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Aug 25 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Thu, Aug 28, priced at $175 found 6 days ago

Thu, Jul 10 - Sun, Jul 13

STL

Lambert-St. Louis Intl.

EWR

Newark Liberty Intl. Airport

$178 Roundtrip, found 6 days ago

$178

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Sun, Jul 13, priced at $178 found 6 days ago

Fri, Jul 25 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$181 Roundtrip, found 1 day ago

$181

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Jul 25 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Aug 2, priced at $181 found 1 day ago

Thu, Jul 10 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

EWR

Newark Liberty Intl. Airport

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Thu, Jul 17, priced at $182 found 6 days ago

Thu, Jul 24 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$184 Roundtrip, found 1 day ago

$184

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 31, priced at $184 found 1 day ago

Thu, Jul 10 - Sat, Jul 12

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$187 Roundtrip, found 6 days ago

$187

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 10 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Jul 12, priced at $187 found 6 days ago

Mon, Jul 7 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$187 Roundtrip, found 6 days ago

$187

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 7 from Lambert-St. Louis Intl. to LaGuardia, returning Wed, Jul 16, priced at $187 found 6 days ago

Thu, Aug 28 - Wed, Sep 3

STL

Lambert-St. Louis Intl.

EWR

Newark Liberty Intl. Airport

$188 Roundtrip, found 6 days ago

$188

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 28 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Sep 3, priced at $188 found 6 days ago

Sat, Jul 19 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$193 Roundtrip, found 1 day ago

$193

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 31, priced at $193 found 1 day ago

Mon, Jul 21 - Sun, Jul 27

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$194 Roundtrip, found 1 day ago

$194

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Sun, Jul 27, priced at $194 found 1 day ago

Tue, Jul 8 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

JFK

John F. Kennedy Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Lambert-St. Louis Intl. to John F. Kennedy Intl., returning Thu, Jul 17, priced at $258 found 6 days ago

Tue, Jul 22 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$259 Roundtrip, found 1 day ago

$259

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 22 from Lambert-St. Louis Intl. to LaGuardia, returning Tue, Jul 29, priced at $259 found 1 day ago

Tue, Jul 22 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$268 Roundtrip, found 22 hours ago

$268

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Tue, Jul 22 from Lambert-St. Louis Intl. to LaGuardia, returning Wed, Jul 30, priced at $268 found 22 hours ago

Mon, Jul 21 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$309 Roundtrip, found 6 days ago

$309

Roundtrip

found 6 days ago

Select United flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Tue, Jul 29, priced at $309 found 6 days ago