Flights from St. Louis to Old Greenwich

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, Jul 31 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$144 Roundtrip, found 2 days ago

$144

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Aug 2, priced at $144 found 2 days ago

Mon, Jul 28 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$147 Roundtrip, found 2 days ago

$147

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Mon, Jul 28 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Aug 2, priced at $147 found 2 days ago

Thu, Jul 31 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$154 Roundtrip, found 2 days ago

$154

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to LaGuardia, returning Sun, Aug 3, priced at $154 found 2 days ago

Fri, Jul 25 - Sat, Jul 26

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, Jul 25 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Jul 26, priced at $157 found 6 days ago

Mon, Jul 21 - Thu, Jul 24

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$161 Roundtrip, found 6 days ago

$161

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 24, priced at $161 found 6 days ago

Thu, Jul 31 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$164 Roundtrip, found 2 days ago

$164

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to LaGuardia, returning Wed, Aug 6, priced at $164 found 2 days ago

Mon, Jul 28 - Wed, Aug 6

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$167 Roundtrip, found 2 days ago

$167

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Mon, Jul 28 from Lambert-St. Louis Intl. to LaGuardia, returning Wed, Aug 6, priced at $167 found 2 days ago

Thu, Jul 24 - Sat, Jul 26

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$170 Roundtrip, found 6 days ago

$170

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Jul 26, priced at $170 found 6 days ago

Mon, Jul 21 - Sat, Jul 26

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$174 Roundtrip, found 6 days ago

$174

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Jul 26, priced at $174 found 6 days ago

Mon, Jul 28 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Mon, Jul 28 from Lambert-St. Louis Intl. to LaGuardia, returning Sun, Aug 3, priced at $177 found 2 days ago

Mon, Jul 21 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$181 Roundtrip, found 6 days ago

$181

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 31, priced at $181 found 6 days ago

Fri, Jul 25 - Tue, Jul 29

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$186 Roundtrip, found 6 days ago

$186

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, Jul 25 from Lambert-St. Louis Intl. to LaGuardia, returning Tue, Jul 29, priced at $186 found 6 days ago

Fri, Aug 1 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$187 Roundtrip, found 2 days ago

$187

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Aug 2, priced at $187 found 2 days ago

Mon, Jul 21 - Mon, Jul 28

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$191 Roundtrip, found 6 days ago

$191

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to LaGuardia, returning Mon, Jul 28, priced at $191 found 6 days ago

Tue, Jul 29 - Sat, Aug 2

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$192 Roundtrip, found 2 days ago

$192

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Tue, Jul 29 from Lambert-St. Louis Intl. to LaGuardia, returning Sat, Aug 2, priced at $192 found 2 days ago

Wed, Jul 23 - Thu, Jul 24

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$193 Roundtrip, found 6 days ago

$193

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Jul 23 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 24, priced at $193 found 6 days ago

Thu, Jul 24 - Thu, Jul 31

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$194 Roundtrip, found 6 days ago

$194

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Lambert-St. Louis Intl. to LaGuardia, returning Thu, Jul 31, priced at $194 found 6 days ago

Sun, Jul 27 - Wed, Jul 30

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$256 Roundtrip, found 6 days ago

$256

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Lambert-St. Louis Intl. to LaGuardia, returning Wed, Jul 30, priced at $256 found 6 days ago

Thu, Jul 31 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$315 Roundtrip, found 2 days ago

$315

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to LaGuardia, returning Sun, Aug 3, priced at $315 found 2 days ago

Thu, Jul 31 - Sun, Aug 3

STL

Lambert-St. Louis Intl.

LGA

LaGuardia

$444 Roundtrip, found 2 days ago

$444

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 31 from Lambert-St. Louis Intl. to LaGuardia, returning Sun, Aug 3, priced at $444 found 2 days ago