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St. Louis

$230+ Cheap flights from Monterrey (MTY) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
MTY — STL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Monterrey to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Monterrey (MTY) to St. Louis (STL). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(United Airlines)

One-way from

$230
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$535
Provider with most accurate pricing for Monterrey Gen Mariano Escobedo-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Monterrey Gen Mariano Escobedo-Lambert-St Louis flights.
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From Monterrey Gen Mariano Escobedo to Lambert-St Louis
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One-way flight from Monterrey Gen Mariano Escobedo to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Monterrey to St. Louis

Cheapest flights from Monterrey to St. Louis
Explore the most affordable flight options available from Monterrey to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 4/912:47 pmMTY - STL
1 stop9h 42mDelta
Fri 4/2512:51 pmSTL - MTY
1 stop6h 56mDelta
Deal found 3/26$420
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 4/912:10 pmMTY - STL
1 stop7h 46mUnited Airlines
Fri 4/251:43 pmSTL - MTY
2 stops19h 54mUnited Airlines
Deal found 3/26$423

Cheapflights Fare Finder

Customize your flight search to find flights from Monterrey to St. Louis 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 March 28, 2025.
Use the filters below to find and compare flights from Monterrey to St. Louis that are best for you.

Fly from

Monterrey

Fly to

St. Louis

Route

Depart

Return

Price

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Wed 4/9

12:47 pm-11:29 pm

1 stop9h 42m

Lambert-St Louis

Fri 4/25

12:51 pm-6:47 pm

1 stop6h 56m

$420

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Wed 4/9

12:10 pm-8:56 pm

1 stop7h 46m

Lambert-St Louis

Fri 4/25

1:43 pm-8:37 am

2 stops19h 54m

$423

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Fri 4/25

12:43 pm-11:45 am

2 stops22h 02m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Monterrey to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Monterrey to St. Louis in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Monterrey-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monterrey-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monterrey-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Monterrey-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Monterrey-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Monterrey 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 Monterrey to St. Louis

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    According to our current data, United Airlines ($404), and Delta ($420) offers the cheapest pricing from Monterrey to St. Louis. United Airlines is currently priced 30% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Monterrey to St. Louis (average of $311). Flying from Monterrey to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Monterrey?

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