St. Louis (STL) → Mexico City (MEX)
About St. Louis to Mexico City Flights
Discover the best flights from St. Louis to Mexico City, covering 2,305 km in approximately 3h 23m. St. Louis (STL) to Mexico City (MEX) is one of the popular medium-haul routes connecting United States and Mexico. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from St. Louis to Mexico City.
12-Month Price History
Flight prices from St. Louis to Mexico City vary significantly throughout the year. February typically offers the best deals with average prices around $498, while August sees the highest prices, averaging $794. Savvy travelers can save up to 37% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
August
Peak season pricing
Book in Advance
156 days
For best prices
Booking Tips
For the best prices on St. Louis to Mexico City flights, we recommend booking 168 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
United Airlines UA | $710 | $2930 | $4980 |
Aeroméxico AM | $710 | $2690 | $4040 |
Interjet 4O | $840 | $2650 | $4610 |
Volaris Y4 | $880 | $2570 | $4010 |
American Airlines AA | $910 | $2510 | $3930 |
British Airways BA | $950 | $3200 | $5170 |
Delta Air Lines DL | $970 | $3320 | $4410 |
United Airlines
UA
Economy
$710
Business
$2930
First
$4980
Aeroméxico
AM
Economy
$710
Business
$2690
First
$4040
Interjet
4O
Economy
$840
Business
$2650
First
$4610
Volaris
Y4
Economy
$880
Business
$2570
First
$4010
American Airlines
AA
Economy
$910
Business
$2510
First
$3930
British Airways
BA
Economy
$950
Business
$3200
First
$5170
Delta Air Lines
DL
Economy
$970
Business
$3320
First
$4410
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
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Frequently Asked Questions
How long is the flight from St. Louis to Mexico City?
The flight time from St. Louis (STL) to Mexico City (MEX) is approximately 3 hours and 23 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between St. Louis and Mexico City?
The aerial distance between St. Louis and Mexico City is 2,305 kilometers (1,432 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from St. Louis to Mexico City?
Several airlines operate flights between St. Louis and Mexico City, including Aeroméxico, Volaris, Interjet and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from St. Louis to Mexico City?
Based on historical data, February typically offers the lowest airfares for flights from St. Louis to Mexico City. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Mexico City?
For the best prices on St. Louis to Mexico City flights, we recommend booking 76 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from St. Louis to Mexico City?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Mexico should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between St. Louis and Mexico City?
St. Louis operates on America/Chicago time zone, while Mexico City is in the America/Mexico_City time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.