$114 Cheap Frontier Airlines flights Trenton (TTN) to St. Louis (STL)

$114 Cheap Frontier Airlines flights Trenton (TTN) to St. Louis (STL)

Prices were available within the past 7 days and start at $114 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 25 - Fri, Aug 29

TTN

Trenton

STL

St. Louis

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 25 from Trenton to St. Louis, returning Fri, Aug 29, priced at $223 found 1 day ago

Sun, Aug 24 - Fri, Aug 29

TTN

Trenton

STL

St. Louis

$228 Roundtrip, found 1 day ago

$228

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Aug 24 from Trenton to St. Louis, returning Fri, Aug 29, priced at $228 found 1 day ago

Mon, Aug 25 - Fri, Aug 29

TTN

Trenton

STL

St. Louis

$331 Roundtrip, found 1 day ago

$331

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 25 from Trenton to St. Louis, returning Fri, Aug 29, priced at $331 found 1 day ago