Southwest Airlines flights from STL to CUN
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from STL to CUN. Southwest 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 15m - 3h 15m
10:40
13:40
1248 miles (2008 km)
September
1 (Show)
20
Southwest Airlines Flight Schedule from STL to CUN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN1995 |  Southwest Airlines | 10:40 | 14:55:00 | Boeing 737MAX 8 Passenger |
WN1985 | Southwest Airlines | 13:40 | 17:55:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
Southwest Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 3h 00m - 3h 30m.
Pricing patterns: September typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 10:00, 13:00, 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
DecSouthwest Airlines Terminal Information
Terminal information for Southwest Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from STL to CUN?
Southwest Airlines operates 2 flights from STL to CUN.
What city does CUN airport serve?
CUN airport serves Cancún.
How long is the Southwest 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 Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger, Boeing 737-700 (winglets) Passenger/BBJ1 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Frontier Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 10:40 and the latest departs at 13:40.
What is the cheapest month to fly Southwest Airlines from STL to CUN?
September is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from STL to CUN?
The average price for a round-trip Southwest Airlines flight on this route is approximately $484. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 20 flights per week from STL to CUN.