STL - MLM

$580 Find Cheap Flights from St. Louis to Morelia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Morelia departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Morelia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Morelia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Morelia, as well as popular online travel agencies
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Flights Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Morelia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Morelia

Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
5:15 am - 6:13 pmSTL-MLM
13h 58m2 stops
United Airlines Logo
6:50 am - 2:26 pmMLM-STL
6h 36m1 stop
$580United Airlines
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Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
9:07 am - 6:13 pmSTL-MLM
10h 06m2 stops
United Airlines Logo
6:50 am - 8:46 pmMLM-STL
12h 56m2 stops
$628United Airlines
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Sat, Sep 13 - Sat, Sep 20
Logo
9:15 am - 2:32 pmSTL-MLM
30h 17m3 stops
Logo
8:20 am - 9:40 amMLM-STL
24h 20m2 stops
$702
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
9:15 am - 2:32 pmSTL-MLM
30h 17m3 stops
Logo
8:20 am - 10:50 amMLM-STL
25h 30m3 stops
$718
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to Morelia flights

Get data-powered insights and trends into flights from St. Louis to Morelia to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Morelia?

What’s the cheapest day of the week to fly from St. Louis to Morelia?

The average price of all round-trip flights from St. Louis to Morelia clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Morelia on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from St. Louis to Morelia. For your return ticket, we recommend flying on a Wednesday and avoiding Sundays for the best deals.

What is the cheapest month to fly from St. Louis to Morelia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Morelia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Morelia is May, where tickets cost $491 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $1,474 and $928 respectively.

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Good to know

Low seasonMarch
Cheapest flight$580
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 22% lower on average.
Flight from St. Louis to Morelia

When to book flights from St. Louis to Morelia

Are your dates flexible? Find out the best times to travel from St. Louis to Morelia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Morelia

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

    In the last 3 days, the lowest price for a flight from St. Louis to Morelia was $580 for a round-trip ticket.

  • Do I need a passport to fly between St. Louis and Morelia?

    A passport is required to fly from St. Louis to Morelia.

  • Which airports will I be using when flying from St. Louis to Morelia?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Morelia, also known as Morelia.

  • Which aircraft models fly most regularly from St. Louis to Morelia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Morelia?

    Star Alliance is the only airline alliance operating flights between St. Louis and Morelia.

  • How does KAYAK find such low prices on flights from St. Louis to Morelia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Morelia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Morelia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Morelia from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Morelia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Morelia with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and MLM can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Morelia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Morelia from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from St. Louis to Morelia

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Morelia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Morelia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
7.2Comfort
7.5Boarding
8.0Crew
6.9Entertainment
6.5Food
Airline reviews

We had to turn around and head back to Manchester. Problem with a plane engine.

2.0 MediocreAnonymous, Jul 2025MHT - CLT
Read more American Airlines reviews

We had to turn around and head back to Manchester. Problem with a plane engine.

Flight was delayed. Staff at the gate effectively and proactively communicated about the delay.

Very poor delay in dfw was really bad n long

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

Because of rescheduling, they had to put me on a flight that didn't go through Dallas

It was very difficult to stretch my knee out and I am very short. I also had a torn tendon in my knee which made it extra uncomfortable anyways. My husband is 6'2" and I can't imagine him flying in that plane.

3 hour weather delay followed by 1 hour (and counting) maintenance delay. UGH!

Couldn’t get the door on the plane to close leading to a nearly 2 hour delay. But, hey at least they didn’t cancel the flight.

Flight was cancelled 3 hrs AFTER etd. Thetefore Missed connection from JFK to New Zealand . No accommodation provided… This cost ne aporox 1000 USD in extra expenses and turned whst should have been a 24 hr trip ftom Boston - New Zealand into a VERY expensive , late 70+ hr nightmare … Complete nonsense!!!

After we'd boarded , they canceled the flight. The crew didn't even know , we just all received text messages. Then after they deplaned us , AA was just like "too bad, go F your self, we sure ain't gonna help you"

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

Information on your arrival and departure airports

St. Louis (STL)
Morelia (MLM)

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