Route Price Intelligence
Cheap Flights From St. Louis to Mexico City
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Mexico City is running $390 round trip from St. Louis this fall, compared to the usual $644 for this route, and it is pricing below anything we have tracked on this route before, so it could be a short-lived anomaly. Grab a taco crawl through Roma Norte or a day trip to Teotihuacan while the fare holds.
✓ 4 date combinations found at this price
Search Google FlightsMonthly Price Guide
Best Time to Fly from St. Louis to Mexico City
The cheapest time to fly from St. Louis to Mexico City is typically July, when fares average around $467. The most expensive month tends to be December at around $669. For the best deals, consider flying in July, August, June.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route