Frontier · STL
What gates does Frontier use at St. Louis Airport (STL)?
Frontier uses gates C19 and C23 at St. Louis Airport (STL), mainly in Terminal 1’s Concourse C and Terminal 2’s Concourse C, with about 3 departures a day (Oct 3–5, 2026). It is the main airline at both. By departures: Terminal 1’s Concourse C (56% of its departures) and Terminal 2’s Concourse C (44%).
Based on 71 Frontier flights at STL, Oct 3–5, 2026 (full days)

How Frontier compares at STL
- 5th of the 9 airlines with regular flights at STL by departures: 2% of them (3 departures a day of about 190 a day).
- 2% of the seats leaving STL: about 612 a day, 204 per departure.
- 1.5 turns a day at each gate it turns planes at, 58% fewer than the airport’s 3.6.
- Median turn at the gate: 48 min, 9 min shorter than the airport median (57 min).
- At STL, Frontier’s 3 departures a day compare with Air Canada’s 3 and Alaska’s 2-3. Frontier has 2 gates of its own; Air Canada 1; Alaska 1.
Where Frontier flies nonstop from STL
5 nonstop destinations. Nonstop routes seen Oct 3–5, 2026; a few days of data can miss weekly or seasonal routes.
| Destination | Flights | Other airlines on this route |
|---|---|---|
| Las VegasLAS | 1/day | Southwest (5-6/day) |
| DenverDEN | 4-5/week | Southwest (6/day), United (4/day) |
| OrlandoMCO | 4-5/week | Southwest (6-7/day) |
| AtlantaATL | 2-3/week | Delta (6-7/day), Southwest (2-3/day) |
| Dallas/Fort WorthDFW | 2-3/week | American (7/day) |
When Frontier flies at STL
- First departure of the day usually around 12:05 pm, the last around 8:00 pm.
Frontier’s aircraft at STL
| Aircraft | Departures | Seats each |
|---|---|---|
| A320neo | 2/day | 186 |
| A321neo | 1/day | 240 |
About 612 seats leave STL on Frontier each day. Of the gates it holds, 2 have taken a narrow-body. Seats are capacity from each airline’s seat map per aircraft type, not passengers.
Frontier’s gates at STL
Terminal 2, Concourse C C19
Terminal 1, Concourse C C23
Held = the airline flying the gate most (regional partners count as their brand).
About this data
Based on 3 full days of flights at STL, Oct 3–5, 2026. Gates of its own are the gates where Frontier flies the most (regional partners count as their brand). Every one of its departures has a seat count.
Frontier at STL: questions
What terminal is Frontier at St. Louis Airport (STL)?
Frontier flies from Terminal 1’s Concourse C and Terminal 2’s Concourse C at St. Louis Airport (STL). By departures: Terminal 1’s Concourse C (56% of its departures) and Terminal 2’s Concourse C (44%).
What gates does Frontier use at STL?
Frontier has 2 gates at STL (the airline flying each one most): C19 and C23. It used 2 gates in all over Oct 3–5, 2026.
How many flights a day does Frontier have from STL?
About 3 departures a day and 612 seats, averaged over Oct 3–5, 2026.
Where does Frontier fly nonstop from STL?
Frontier flies nonstop to 5 cities from STL, the most often to Las Vegas, Denver, Orlando, Dallas/Fort Worth and Atlanta. Routes seen Oct 3–5, 2026.
When is Frontier’s first flight out of STL?
Usually around 12:05 pm; the last leaves around 8:00 pm.
Other airlines at STL
All of STL’s gates by airline · Frontier at every airport we map · Nonstop routes from STL