Find cheap airlines flights from St. Louis to Morelia

You can choose from 1 airlines that fly from St. Louis to Morelia, including American Airlines, American Airlines has lowest fares on this route.
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from St. Louis to Morelia according to previous 12 months data from Trip.com.

Find flight deals from St. Louis to Morelia for the next 3 months. Book one way flights from $203 or round trip flights from $591.

Displayed flight fares from St. Louis to Morelia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | St. Louis to Morelia

The distance between St. Louis and Morelia is approximately 2,332.65 km. Based on Trip.com's data travel demand peaks in October. The off-season for travel is December.

Cheapest one-way flight price$203
Cheapest round-trip ticket price$591
Off-season for travelDecember
Peak season for travelOctober
Flight distance2,332.65 km
Popular airlineAmerican Airlines
Flight statistics for the St. Louis–Morelia route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from St. Louis to Morelia (STL-MLM)?

    Based on Trip.com data, American Airlines offers one-way fares as low as $203 on Cheapest nonstop routes (e.g. STL to MLM on Wed, Apr 22), while American Airlines offers Cheapest nonstop round-trips from $591 departing on Thu, Apr 16 and returning on Thu, Apr 23.
  • At the moment, several airlines serve connecting flights from St. Louis to Morelia, including: American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from St. Louis to Morelia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from St. Louis to Morelia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Apr 22, with one-way flights priced at just $203.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Morelia travel is around October.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from St. Louis to Morelia is December, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from St. Louis to Morelia on March 30, 2026 with United Airlines, with prices starting at $650.
  • You can land at any one of the following hubs in Morelia, with St. Louis Lambert International Airport to General Francisco Mujica International Airport (STL-MLM) is by far the most common option on this route: General Francisco Mujica International Airport (MLM).
  • The time difference between Morelia and St. Louis is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.