$130 Cheap Frontier Airlines flights from Kansas City to St. Louis (MCI to STL)

Find The Best Day To Fly from Kansas City to St. Louis

Amazing Frontier Airlines MCI to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $314 round trip and $130 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Aug 22 - Wed, Aug 27
MCI
Kansas City
STL
St. Louis
$314 Roundtrip, found 5 days ago
$314
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Kansas City to St. Louis, returning Wed, Aug 27, priced at $314 found 5 days ago
Frontier Airlines Airports
Hop on a(n) Frontier Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DENUSADenver Intl.13
MCOUSAOrlando Intl.7
CUNMEXCancun Intl.6
GDLMEXDon Miguel Hidalgo y Costilla Intl.5
PHLUSAPhiladelphia Intl.2
ORDUSAO'Hare Intl.2
MIAUSAMiami Intl.1
LASUSAMcCarran Intl.1
MEXMEXMexico City Intl.1
LAXUSALos Angeles Intl.1

Travelers ❤️ these 🏨 after their flight to St. Louis

Pear Tree Inn St. Louis Airport
Pear Tree Inn St. Louis Airport
2.5 out of 5
10810 Pear Tree Ln, St. Ann, MO
This hotel features a gym and a seasonal outdoor pool. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport ...
9.2/10 Wonderful! (2,583 reviews)
"Loved it"

Reviewed on Jun 15, 2025

Pear Tree Inn St. Louis Airport
Wingate by Wyndham St. Louis Airport
Wingate by Wyndham St. Louis Airport
2.5 out of 5
10820 Pear Tree Lane, St. Ann, MO
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
9.2/10 Wonderful! (1,297 reviews)
"We stayed the night before a early morning flight. At 3am the shuttle got us to the airport. They let us leave our car park in thier lot for the four days were traveling. Juat a great 👍 place."

Reviewed on Jun 15, 2025

Wingate by Wyndham St. Louis Airport
DoubleTree by Hilton St. Louis Airport
DoubleTree by Hilton St. Louis Airport
4 out of 5
4505 Woodson Road, St. Louis, MO
This hotel features an outdoor pool, a 24-hour gym, and a restaurant. Bring the family and enjoy the arcade/game room and kid-friendly dining. Unwind with a ...
7.8/10 Good! (742 reviews)
"It was a nice stay. Pros include location to airport, clean and reasonably priced. Cons include unstocked fitness room no towels, super hot/humid and trash all around. There was also no hand soap in my room and barely enough towels and toilet paper although the other amenities were well stocked including ..."

Reviewed on Jun 8, 2025

DoubleTree by Hilton St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.