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Morelia

$551+ Cheap flights from St. Louis (STL) to Morelia (MLM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MLM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from St. Louis to Morelia

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Morelia (MLM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$551
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$863
From Lambert-St Louis to Morelia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Morelia

Cheapest flights from St. Louis to Morelia
Explore the most affordable flight options available from St. Louis to Morelia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2410:47 amSTL - MLM
3 stops34h 33mMultiple Airlines
Mon 7/287:22 amMLM - STL
2 stops32h 09mMultiple Airlines
Deal found 6/11$551
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:15 amSTL - MLM
1 stop8h 58mUnited Airlines
Mon 8/46:50 amMLM - STL
2 stops14h 00mUnited Airlines
Deal found 6/11$619
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:30 amSTL - MLM
1 stop7h 24mAmerican Airlines
Wed 8/612:56 pmMLM - STL
1 stop19h 04mAmerican Airlines
Deal found 6/10$696
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/262:36 pmSTL - MLM
2 stops43h 25mFrontier
Mon 6/3010:15 amMLM - STL
2 stops36h 38mFrontier
Deal found 6/11$834

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Morelia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Morelia that are best for you.

Fly from

St. Louis

Fly to

Morelia

Route

Depart

Return

Price

St. LouisMorelia

STL - MLM

STLMLM

Lambert-St Louis

Thu 7/24

10:47 am-8:20 pm

3 stops34h 33m

Morelia

Mon 7/28

7:22 am-4:31 pm

2 stops32h 09m

$551

St. LouisMorelia

STL - MLM

STLMLM

Lambert-St Louis

Tue 7/22

10:15 am-6:13 pm

1 stop8h 58m

Morelia

Mon 8/4

6:50 am-9:50 pm

2 stops14h 00m

$619

St. LouisMorelia

STL - MLM

STLMLM

Lambert-St Louis

Wed 7/9

5:30 am-11:54 am

1 stop7h 24m

Morelia

Wed 8/6

12:56 pm-9:00 am

1 stop19h 04m

$696

St. LouisMorelia

STL - MLM

STLMLM

Lambert-St Louis

Thu 6/26

2:36 pm-9:01 am

2 stops43h 25m

Morelia

Mon 6/30

10:15 am-11:53 pm

2 stops36h 38m

$834

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from St. Louis to Morelia

Have a flexible travel schedule? Discover the best time to fly to Morelia from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Morelia

What is the cheapest month to book a flight from St. Louis to Morelia?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Morelia (average of $317). Flying from St. Louis to Morelia in December is currently the most expensive (average of $819). 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.

Rainfall in Morelia by month

Plan your trip to Morelia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Morelia ranges from 0.2 - 6.8 inches per month. August is typically the wettest month, when rainfall can reach 6.8 in. March is typically the driest time to visit Morelia when rainfall is around 0.2 in.

Temperature in Morelia by month

Plan your trip to Morelia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Morelia, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Morelia

Get insights into the airlines that provide service to Morelia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Morelia. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines and Frontier from St. Louis to Morelia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Frontier
5.9
Fair
3,295 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Morelia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Morelia round-trip?

    Our cheapest airline available from St. Louis to Morelia is United Airlines. Our recent data shows that you can find tickets from as low as $619 on this airline. Additional options worth looking into are American Airlines and Frontier, starting at $696 and $834 round-trip. These flights start at 18% lower than the current average price 3 months from now.

  • Can I find deals for flights from St. Louis to Morelia that include hotel bookings?

    Yes. In addition to deals on St. Louis to Morelia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Morelia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Morelia.

  • Can I find deals for business class flights from St. Louis to Morelia?

    Yes. Cheapflights offers flight deals from St. Louis to Morelia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Morelia?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Morelia (average of $317). Flying from St. Louis to Morelia in December is currently the most expensive (average of $819). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Morelia

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Morelia flights

Top airline flying from St. Louis to Morelia

Discover the top airline that operate flights from St. Louis to Morelia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$482Average$581FlexibilityNo cancel feeOn-time71%

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