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 $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 3 - Thu, Nov 13

STL

St. Louis

TTN

Trenton

$179 Roundtrip, found 2 days ago

$179

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Nov 3 from St. Louis to Trenton, returning Thu, Nov 13, priced at $179 found 2 days ago

Mon, Nov 3 - Sat, Nov 8

STL

St. Louis

TTN

Trenton

$212 Roundtrip, found 2 days ago

$212

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Nov 3 from St. Louis to Trenton, returning Sat, Nov 8, priced at $212 found 2 days ago

Sat, Nov 1 - Sun, Nov 2

STL

St. Louis

TTN

Trenton

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Nov 1 from St. Louis to Trenton, returning Sun, Nov 2, priced at $238 found 2 days ago