Flights from New York to Union

Cheapest flights from New York

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.

Sat, May 10 - Tue, May 13

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 10 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, May 13, priced at $229 found 1 day ago

Thu, May 8 - Tue, May 13

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$239 Roundtrip, found 1 day ago

$239

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 8 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, May 13, priced at $239 found 1 day ago

Wed, May 7 - Tue, May 13

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$260 Roundtrip, found 1 day ago

$260

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, May 7 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, May 13, priced at $260 found 1 day ago

Sat, May 10 - Mon, May 12

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$261 Roundtrip, found 7 hours ago

$261

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, May 10 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $261 found 7 hours ago

Wed, May 7 - Tue, May 13

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$265 Roundtrip, found 7 hours ago

$265

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Wed, May 7 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, May 13, priced at $265 found 7 hours ago

Sat, May 10 - Wed, May 14

LGA

LaGuardia

STL

Lambert-St. Louis Intl.

$266 Roundtrip, found 10 hours ago

$266

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sat, May 10 from LaGuardia to Lambert-St. Louis Intl., returning Wed, May 14, priced at $266 found 10 hours ago

Wed, May 7 - Mon, May 12

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$266 Roundtrip, found 7 hours ago

$266

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Wed, May 7 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $266 found 7 hours ago

Sun, May 11 - Tue, May 13

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$270 Roundtrip, found 7 hours ago

$270

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, May 11 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Tue, May 13, priced at $270 found 7 hours ago

Sun, May 11 - Mon, May 12

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$271 Roundtrip, found 7 hours ago

$271

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, May 11 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $271 found 7 hours ago

Wed, May 7 - Sat, May 10

LGA

LaGuardia

STL

Lambert-St. Louis Intl.

$275 Roundtrip, found 7 hours ago

$275

Roundtrip

found 7 hours ago

Select Delta flight, departing Wed, May 7 from LaGuardia to Lambert-St. Louis Intl., returning Sat, May 10, priced at $275 found 7 hours ago

Wed, May 7 - Thu, May 15

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$276 Roundtrip, found 7 hours ago

$276

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Wed, May 7 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Thu, May 15, priced at $276 found 7 hours ago

Sun, May 11 - Wed, May 14

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$280 Roundtrip, found 7 hours ago

$280

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, May 11 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Wed, May 14, priced at $280 found 7 hours ago

Sun, May 11 - Thu, May 15

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$281 Roundtrip, found 7 hours ago

$281

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, May 11 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Thu, May 15, priced at $281 found 7 hours ago

Sat, May 10 - Mon, May 12

LGA

LaGuardia

STL

Lambert-St. Louis Intl.

$286 Roundtrip, found 10 hours ago

$286

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sat, May 10 from LaGuardia to Lambert-St. Louis Intl., returning Mon, May 12, priced at $286 found 10 hours ago

Thu, May 8 - Mon, May 12

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$290 Roundtrip, found 7 hours ago

$290

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Thu, May 8 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $290 found 7 hours ago

Wed, May 7 - Tue, May 13

LGA

LaGuardia

STL

Lambert-St. Louis Intl.

$300 Roundtrip, found 10 hours ago

$300

Roundtrip

found 10 hours ago

Select Delta flight, departing Wed, May 7 from LaGuardia to Lambert-St. Louis Intl., returning Tue, May 13, priced at $300 found 10 hours ago

Sat, May 10 - Sun, May 11

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$301 Roundtrip, found 7 hours ago

$301

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, May 10 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Sun, May 11, priced at $301 found 7 hours ago

Wed, May 7 - Fri, May 9

JFK

John F. Kennedy Intl.

STL

Lambert-St. Louis Intl.

$306 Roundtrip, found 7 hours ago

$306

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Wed, May 7 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Fri, May 9, priced at $306 found 7 hours ago

Sat, May 10 - Tue, May 13

LGA

LaGuardia

STL

Lambert-St. Louis Intl.

$355 Roundtrip, found 10 hours ago

$355

Roundtrip

found 10 hours ago

Select American Airlines flight, departing Sat, May 10 from LaGuardia to Lambert-St. Louis Intl., returning Tue, May 13, priced at $355 found 10 hours ago

Sat, May 10 - Sat, May 10

LGA

LaGuardia

STL

Lambert-St. Louis Intl.

$423 Roundtrip, found 1 day ago

$423

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 10 from LaGuardia to Lambert-St. Louis Intl., returning Sat, May 10, priced at $423 found 1 day ago