$120 Cheap Frontier Airlines flights Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

$120 Cheap Frontier Airlines flights Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

Prices were available within the past 7 days and start at $120 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Mon, Oct 6

EWR

New York

STL

St. Louis

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 2 from New York to St. Louis, returning Mon, Oct 6, priced at $223 found 1 day ago

Mon, Sep 29 - Sun, Oct 5

EWR

New York

STL

St. Louis

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 29 from New York to St. Louis, returning Sun, Oct 5, priced at $228 found 1 day ago

Thu, Aug 14 - Sat, Aug 16

EWR

New York

STL

St. Louis

$258 Roundtrip, found 9 hours ago

$258

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Aug 14 from New York to St. Louis, returning Sat, Aug 16, priced at $258 found 9 hours ago