Cancún (CUN) to St Louis (STL) flights
Southwest Airlines, Frontier Airlines fly nonstop from Cancún International Airport to St. Louis Lambert International Airport, with about 22 flights a week in July 2026. The 1,237-mile flight takes about 3h 11m gate to gate.
From
CUN
Cancún
Cancún International Airport
To
STL
St Louis
St. Louis Lambert International Airport
- Distance
- 1,237 mi · 1,991 km
- Flight time
- 3h 11m
- Airlines
- 2
- Seats filled
- 77%
Flights a week, July 2026
864 flights and 126,611 passengers in 12 months
Airlines flying CUN to STL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 15 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 60,229 | 3h 7m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo | 64,034 | 3h 16m |
| American AirlinesSeasonal or ended | n/a | Boeing 737-800, Boeing 737 MAX 8 | 2,348 | 3h 31m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 58 | 8,734 | |
| September 2025 | 50 | 7,466 | |
| October 2025 | 69 | 9,403 | |
| November 2025 | 68 | 9,400 | |
| December 2025 | 76 | 9,636 | |
| January 2026 | 76 | 12,213 | |
| February 2026 | 71 | 11,107 | |
| March 2026 | 77 | 10,543 | |
| April 2026 | 67 | 9,459 | |
| May 2026 | 67 | 10,308 | |
| June 2026 | 90 | 13,773 | |
| July 2026 | 97 | 14,926 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.