$295 Cheap Flights from St. Louis (STL) to Morelia (MLM)

View $295 flight on Wed, Feb 11, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM)

Cheap Flights from St. Louis to Morelia (STL-MLM)

Prices were available within the past 7 days and start at $295 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 17 - Tue, Nov 18
STL
St. Louis
MLM
Morelia
$485 Roundtrip, found 5 hours ago
$485
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Nov 17 from St. Louis to Morelia, returning Tue, Nov 18, priced at $485 found 5 hours ago
Frontier Airlines
Sat, Nov 15 - Tue, Nov 18
STL
St. Louis
MLM
Morelia
$498 Roundtrip, found 5 hours ago
$498
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Nov 15 from St. Louis to Morelia, returning Tue, Nov 18, priced at $498 found 5 hours ago
Frontier Airlines
Mon, Nov 10 - Tue, Nov 18
STL
St. Louis
MLM
Morelia
$528 Roundtrip, found 7 hours ago
$528
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Nov 10 from St. Louis to Morelia, returning Tue, Nov 18, priced at $528 found 7 hours ago
Frontier Airlines
Mon, Nov 17 - Thu, Nov 20
STL
St. Louis
MLM
Morelia
$539 Roundtrip, found 5 hours ago
$539
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Mon, Nov 17 from St. Louis to Morelia, returning Thu, Nov 20, priced at $539 found 5 hours ago
Delta
Sun, Feb 8 - Thu, Feb 26
STL
St. Louis
MLM
Morelia
$542 Roundtrip, found 9 hours ago
$542
Roundtrip
found 9 hours ago
Select Delta flight, departing Sun, Feb 8 from St. Louis to Morelia, returning Thu, Feb 26, priced at $542 found 9 hours ago
United
Wed, Feb 11 - Thu, Feb 19
STL
St. Louis
MLM
Morelia
$542 Roundtrip, found 7 hours ago
$542
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Feb 11 from St. Louis to Morelia, returning Thu, Feb 19, priced at $542 found 7 hours ago
Frontier Airlines
Sat, Nov 15 - Tue, Nov 18
STL
St. Louis
MLM
Morelia
$545 Roundtrip, found 3 days ago
$545
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Nov 15 from St. Louis to Morelia, returning Tue, Nov 18, priced at $545 found 3 days ago
American Airlines
Tue, Feb 10 - Fri, Feb 27
STL
St. Louis
MLM
Morelia
$552 Roundtrip, found 1 day ago
$552
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Feb 10 from St. Louis to Morelia, returning Fri, Feb 27, priced at $552 found 1 day ago
United
Wed, Feb 11 - Thu, Feb 19
STL
St. Louis
MLM
Morelia
$552 Roundtrip, found 7 hours ago
$552
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Feb 11 from St. Louis to Morelia, returning Thu, Feb 19, priced at $552 found 7 hours ago
Aeromexico
Wed, Feb 11 - Thu, Feb 19
STL
St. Louis
MLM
Morelia
$742 Roundtrip, found 7 hours ago
$742
Roundtrip
found 7 hours ago
Select Aeromexico flight, departing Wed, Feb 11 from St. Louis to Morelia, returning Thu, Feb 19, priced at $742 found 7 hours ago

Find the cheapest month to fly from St. Louis (STL) to Morelia (MLM)

April is typically the cheapest month to fly

From $482 - $1,139 per traveler.

Alternative airports near Morelia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Francisco Mujica Intl. MLM. Cheapest and Closest option available. Average driving time to city center is 26 minutes. Flights from $592
MLM
General Francisco Mujica Intl.
CheapestClosest
Average driving time to city center26 min
Flights from $592

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM) cost?
Get a cheap one-way flight from $295 or cheap return flight from $485 from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM)?
Traveling in November may help you find better deals, as it's the cheapest month for flights between STL and MLM. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM)?
To find the cheapest airline that'll fly you from STL to MLM, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to MLM?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM) route, fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM) last-minute?
Last-minute bookings from STL to MLM are typically more expensive. For the lowest rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, you may land a cheap ticket right before you leave.
Is it cheaper to book a STL to MLM flight and hotel package?
You'll typically save money by booking a STL to MLM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to General Francisco Mujica Intl. Airport (MLM)?
You can usually cancel or reschedule your STL to MLM flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
General Francisco Mujica Intl.
Airlines serving
Aeromexico, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$484
Distance
1452 mi

Book with confidence

St. Louis to Morelia Flights

The cheapest times to fly from St. Louis to Morelia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Morelia are during the month of November. You can find some of the cheapest flights from St. Louis to Morelia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Morelia

Sunday is one of the best days to book for cheap flights from St. Louis to Morelia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Morelia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Morelia in 2025. You can also book with separate airlines for your outbound and return journeys, from $295 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Morelia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Morelia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Morelia Flights

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*Available to One Key members.