
Cheap Frontier Airlines flights Kansas City (MCI) to St. Louis (STL)
Prices were available within the past 7 days and start at for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 23 - Mon, Jan 26
MCI
Kansas City
STL
St. Louis
$177 Roundtrip, found 3 days ago
$177
Roundtrip
found 3 days ago

Sun, Jan 25 - Sun, Feb 1
MCI
Kansas City
STL
St. Louis
$200 Roundtrip, found 3 days ago
$200
Roundtrip
found 3 days ago
Find the cheapest month to fly from Kansas City (MCI) to St. Louis (STL)
October is typically the cheapest month to fly
From $77 - $517 per traveler.
Alternative airports near St. Louis
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Kansas City Intl. |
|---|---|
Destination airport | Lambert-St. Louis Intl. |
Distance | 378 km |
Average flight time | 1 hour 8 mins |
Most Popular Frontier Airlines Routes from Kansas City
Most Popular Frontier Airlines Routes from St. Louis
- Seattle to Phoenix (SEA - PHX)
- New York to San Juan (JFK - SJU)
- Orlando to Philadelphia (MCO - PHL)
- Minneapolis to Phoenix (MSP - PHX)
- New York to Atlanta (LGA - ATL)
- Boston to Tampa (BOS - TPA)
- Washington to Phoenix (DCA - PHX)
- Chicago to Tampa (ORD - TPA)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
- Washington to Phoenix (IAD - PHX)
Popular Domestic Routes in Lambert-St. Louis Intl.
- Seattle to Phoenix (SEA - PHX)
- Boston to Tampa (BOS - TPA)
- Denver to Phoenix (DEN - PHX)
- Washington to Phoenix (IAD - PHX)
- Detroit to Phoenix (DTW - PHX)
- Washington to Phoenix (DCA - PHX)
- Orlando to Trenton (MCO - TTN)
- New York to Atlanta (LGA - ATL)
- Denver to Phoenix (DEN - PHX)
- Orlando to Trenton (MCO - TTN)