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

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

Prices were available within the past 7 days and start at for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 31 - Thu, Apr 2

STL

St. Louis

TTN

Trenton

$195 Roundtrip, found 1 day ago

$195

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Mar 31 from St. Louis to Trenton, returning Thu, Apr 2, priced at $195 found 1 day ago

Wed, Apr 1 - Thu, Apr 2

STL

St. Louis

TTN

Trenton

$215 Roundtrip, found 1 day ago

$215

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Apr 1 from St. Louis to Trenton, returning Thu, Apr 2, priced at $215 found 1 day ago

Tue, Mar 31 - Fri, Apr 3

STL

St. Louis

TTN

Trenton

$245 Roundtrip, found 1 day ago

$245

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Mar 31 from St. Louis to Trenton, returning Fri, Apr 3, priced at $245 found 1 day ago

Wed, Apr 1 - Fri, Apr 3

STL

St. Louis

TTN

Trenton

$265 Roundtrip, found 1 day ago

$265

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Apr 1 from St. Louis to Trenton, returning Fri, Apr 3, priced at $265 found 1 day ago