Direct (nonstop) flights from Cancun to Saint Louis
3 airlines fly nonstop from Cancun International Airport (CUN) to Saint Louis Airport (STL). It's 1,237 miles (1,991 km), about 3h 10m in the air. Operated by American Airlines, Frontier Airlines, Southwest Airlines.
American Airlines
Frontier Airlines
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
AA
American Airlines
F9
Frontier Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Cancun to Saint Louis with one stop · direct emits 209 kg CO₂ per passenger
Looking for the return flight?
STL → CUN: Flights from Saint Louis to CancunOther direct flights from Cancun
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Cancun to Saint Louis?
A nonstop flight from Cancun (CUN) to Saint Louis (STL) takes approximately 3 hours and 10 minutes. The distance is 1,237 miles (1,991 km).
Which airlines fly nonstop from Cancun to Saint Louis?
3 airlines: American Airlines, Frontier Airlines, Southwest Airlines.
Is there a nonstop flight from Cancun to Saint Louis?
Yes. 3 airlines: American Airlines, Frontier Airlines, Southwest Airlines.
How far is Cancun from Saint Louis?
The flight distance from Cancun to Saint Louis is 1,237 miles (1,991 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Cancun to Saint Louis?
At 3h 10m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Mexico to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Cancun to Saint Louis?
Roughly 209 kg CO2 per passenger one-way. That's about the same as driving 1,045 km.
Is the return flight from Saint Louis to Cancun also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Cancun to Saint Louis?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Cancun International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.