HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mazatlán

$549+ Cheap flights from St. Louis (STL) to Mazatlán (MZT)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MZT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Mazatlán with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Mazatlán

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Mazatlán (MZT). 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 July 3, 2025.

Round-trip from

$549
(Delta)

Popular in

December

Cheapest in

July

Average price

$474
From Lambert-St Louis to Mazatlán Gen Rafael Buelna
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from St. Louis to Mazatlán

Cheapest flights from St. Louis to Mazatlán
Explore the most affordable flight options available from St. Louis to Mazatlán. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:00 amSTL - MZT
2 stops10h 54mDelta
Sat 9/2011:24 amMZT - STL
2 stops18h 50mDelta
Deal found 7/2$549
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 9/67:16 amSTL - MZT
1 stop5h 39mAmerican Airlines
Sat 9/201:09 pmMZT - STL
2 stops18h 03mAmerican Airlines
Deal found 7/2$554

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Mazatlán 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 July 3, 2025.
Use the filters below to find and compare flights from St. Louis to Mazatlán that are best for you.

Fly from

St. Louis

Fly to

Mazatlán

Route

Depart

Return

Price

St. LouisMazatlán

STL - MZT

STLMZT

Lambert-St Louis

Sat 9/6

7:00 am-3:54 pm

2 stops10h 54m

Mazatlán Gen Rafael Buelna

Sat 9/20

11:24 am-8:14 am

2 stops18h 50m

$549

St. LouisMazatlán

STL - MZT

STLMZT

Lambert-St Louis

Sat 9/6

7:16 am-10:55 am

1 stop5h 39m

Mazatlán Gen Rafael Buelna

Sat 9/20

1:09 pm-9:12 am

2 stops18h 03m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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

Have a flexible travel schedule? Discover the best time to fly to Mazatlán 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.

Reviews of airlines servicing Mazatlán

Get insights into the airlines that provide service to Mazatlán. 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 Mazatlán. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from St. Louis to Mazatlán to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Mazatlán. 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 Mazatlán round-trip?

    Cheapflights users have booked flights from St. Louis to Mazatlán round-trip from $549. Another airline that can offer you cheap pricing is American Airlines. Delta is 9% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Mazatlán 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 Mazatlán?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Mazatlán (average of $508). Flying from St. Louis to Mazatlán in June is currently the most expensive (average of $602). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Mazatlán

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

Top airline flying from St. Louis to Mazatlán

Discover the top airline that operate flights from St. Louis to Mazatlán. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$516Average$553FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.