$191 Find Cheap Flights from Mexico to St. Louis - Compare and Save

In the last 5 days, the cheapest flight deal to St. Louis was found on the route from Puerto Vallarta, at $338 return. The most popular connection is from Mexico City to St. Louis and KAYAK users have found round-trip deals for as low as $338 in the last 5 days.

Based on KAYAK data, the cheapest day to fly to St. Louis is Saturday where round-trip tickets can be as cheap as $243. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $613 on average.

The cheapest month for flights to St. Louis is May, where tickets cost $499 on average for return flights. On the other hand, the most expensive months are March and April, where the average cost of tickets from Mexico is $778 and $766 respectively. For one-way flights, the best month to travel is September with an average price of $298.

The cheapest time of day to fly to St. Louis is generally in the evening, when round-trip flights cost $375 on average. The most expensive time of day to fly to St. Louis is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $398.

The most popular airline among KAYAK users flying to St. Louis is United Airlines, followed by Delta and Frontier.

Of the 2 airlines that fly to St. Louis, Frontier offers the most flights, with around 7 per week, followed by Southwest with 5 flights per week.

The duration of your flight to St. Louis depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to St. Louis on KAYAK are from Cancun, which takes 3h 00m, Mexico City, which takes 6h 49m, and Monterrey, which takes 7h 06m.

There are around 414 direct flights from within Mexico to St. Louis every day. Most flights depart in the afternoon, with 32% of flights departing in the afternoon.

Each week there are around 2,894 direct flights from within Mexico to St. Louis. The most common day for departures is Sunday, with 15% of flights taking off on this day.

There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to St. Louis. Instead, there are 35 short-haul flights (up to 3 hour flight duration), with the most arriving from Cancun.