$232 Find Cheap Southwest Flights from St. Louis to Cancún

When to Book Flights with Southwest from St. Louis to Cancún

• Is Southwest the cheapest airline to fly with from St. Louis to Cancún?

  With an average price of $669 return, Southwest is not the cheapest airline to fly from St. Louis to Cancún with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $293 on average.

• What is the cheapest Southwest flight from St. Louis to Cancún?

  In the last 3 days, the lowest price for a flight with Southwest from St. Louis to Cancún was $221 for a return flight and $184 for a one-way flight.

• Does Southwest fly direct to Cancún from St. Louis?

  Yes, Southwest does offer direct flights for the route, with around 5 flights per week.

• What’s the cheapest day of the week to fly from St. Louis to Cancún with Southwest?

  On average, the cheapest day of the week to fly from St. Louis to Cancún with Southwest is Tuesday, when prices are around $226. The most expensive day is generally Wednesday, where the average price is around $396.

• What’s the cheapest month to fly from St. Louis to Cancún with Southwest?

  The cheapest month for Southwest flights to Cancún from St. Louis is generally July, where plane tickets cost $263 on average. If possible, try to avoid the most expensive months of October and January, where tickets cost $436 and $447 respectively.