Frontier Airlines flights from STL to CUN
Find comprehensive Frontier Airlines flight information, schedules, and booking details for direct flights from STL to CUN. Frontier Airlines operates 2-4 flights daily flights on this route.• Flight Duration: 3h 00m - 3h 30m (average flight time)• Distance: 1248 miles (2008 km) (air miles between airports)• Daily Flights: 2-4 flights (scheduled departures per day)
STL
CUN
FLIGHT TIME
3h 00m - 3h 30m
FLIGHT DISTANCE
1248 miles (2008 km)
3h 18m - 3h 18m
06:15
06:15
1248 miles (2008 km)
September
1 (Show)
20
Frontier Airlines Flight Schedule from STL to CUN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
F986 |  Frontier Airlines | 06:15 | 10:33:00 | Airbus A321 |
Frontier Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: September typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 6:00, offering more flight options and potentially better connections.
STL - CUN flight price statistics
$484
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$376
Jan$1011
Feb$520
Mar$368
Apr$343
May$460
Jun$315
Jul$411
Aug$206
Sep$457
Oct$300
Nov$1035
DecFrontier Airlines Terminal Information
Terminal information for Frontier Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Frontier Airlines Flights
How many Frontier Airlines flights operate from STL to CUN?
Frontier Airlines operates 1 flight from STL to CUN.
What city does CUN airport serve?
CUN airport serves Cancún.
How long is the Frontier Airlines flight from STL to CUN?
The flight duration is approximately 3h 00m - 3h 30m.
What is the distance from STL to CUN?
The distance is 1248 miles (2008 km).
What aircraft does Frontier Airlines use on this route?
Frontier Airlines uses Airbus A321 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Southwest Airlines.
What is the cheapest month to fly Frontier Airlines from STL to CUN?
September is typically the cheapest month to fly Frontier Airlines on this route.
What is the average price for a Frontier Airlines flight from STL to CUN?
The average price for a round-trip Frontier Airlines flight on this route is approximately $484. Prices can vary based on booking time and demand.
How many Frontier Airlines flights operate per week on this route?
Frontier Airlines operates approximately 20 flights per week from STL to CUN.