$315 Cheap Flights from Mazatlan (MZT) to St. Louis (STL)

View $315 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from General Rafael Buelna Intl. Airport (MZT) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Mazatlan to St. Louis (MZT-STL)

Prices were available within the past 7 days and start at $315 for one-way flights and $569 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Dec 20 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$569 Roundtrip, found 6 hours ago
$569
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Dec 20 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $569 found 6 hours ago
American Airlines
Sat, Dec 20 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$575 Roundtrip, found 6 hours ago
$575
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Dec 20 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $575 found 6 hours ago
American Airlines
Fri, Mar 6 - Tue, Mar 10
MZT
Mazatlán
STL
St. Louis
$579 Roundtrip, found 3 days ago
$579
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Mar 6 from Mazatlán to St. Louis, returning Tue, Mar 10, priced at $579 found 3 days ago
American Airlines
Fri, Mar 6 - Tue, Mar 10
MZT
Mazatlán
STL
St. Louis
$582 Roundtrip, found 3 days ago
$582
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Mar 6 from Mazatlán to St. Louis, returning Tue, Mar 10, priced at $582 found 3 days ago
American Airlines
Sat, Dec 20 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$585 Roundtrip, found 6 hours ago
$585
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Dec 20 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $585 found 6 hours ago
American Airlines
Sat, Dec 20 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$588 Roundtrip, found 6 hours ago
$588
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Dec 20 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $588 found 6 hours ago
American Airlines
Sat, Dec 20 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$595 Roundtrip, found 6 hours ago
$595
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Dec 20 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $595 found 6 hours ago
American Airlines
Sat, Dec 20 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$598 Roundtrip, found 6 hours ago
$598
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Sat, Dec 20 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $598 found 6 hours ago
Aeromexico
Mon, Dec 22 - Sun, Jan 4
MZT
Mazatlán
STL
St. Louis
$653 Roundtrip, found 3 days ago
$653
Roundtrip
found 3 days ago
Select Aeromexico flight, departing Mon, Dec 22 from Mazatlán to St. Louis, returning Sun, Jan 4, priced at $653 found 3 days ago
Delta
Fri, Mar 6 - Tue, Mar 10
MZT
Mazatlán
STL
St. Louis
$661 Roundtrip, found 3 days ago
$661
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Mar 6 from Mazatlán to St. Louis, returning Tue, Mar 10, priced at $661 found 3 days ago

Frequently asked questions

How much does a flight from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $315 or cheap return flight from $569 from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL) 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 General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from MZT to STL is December, when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from MZT to STL, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MZT to STL?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on time, pick a flight that takes off from General Rafael Buelna Intl. Airport (MZT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your trip to book a flight from MZT to STL often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a MZT to STL flight and hotel package?
Opting for a MZT to STL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from General Rafael Buelna Intl. Airport (MZT) to Lambert-St. Louis Intl. Airport (STL)?
It's usually possible to reschedule or cancel your MZT to STL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
General Rafael Buelna Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$568
Distance
1425 mi

Book with confidence

Mazatlan to St. Louis Flights

The cheapest times to fly from Mazatlan to St. Louis

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 Mazatlan to St. Louis are during the month of December. You can find some of the cheapest flights from Mazatlan to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Mazatlan to St. Louis: 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 Mazatlan to St. Louis

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 Mazatlan to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $315 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 Mazatlan to St. Louis 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 Mazatlan to St. Louis 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.

 

Mazatlan to St. Louis Flights

Explore a world of travel with Expedia

*Available to One Key members.