Cheap flights from St. Augustine (UST) to Mexico City (MEX)
Find cheap flights from St. Augustine to Mexico City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Best time to book a flight from St. Augustine to Mexico City
Have a flexible travel schedule? Discover the best time to fly to Mexico City from St. Augustine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Augustine to Mexico City
What is the cheapest month to book a flight from St. Augustine to Mexico City?
Currently, May is the cheapest month in which you can book a flight from St. Augustine to Mexico City (average of $388). Flying from St. Augustine to Mexico City in December is currently the most expensive (average of $615). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from UST to MEX?
Find hourly flight availability from St. Augustine to Mexico City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.
One of the essential ways to save on airfare from St. Augustine to Mexico City is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 27% on airfare.
What is the cheapest day to fly from St. Augustine to Mexico City?
Use this chart to determine the cheapest time to fly round-trip from St. Augustine to Mexico City. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their St. Augustine to Mexico City flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.