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St. Louis

$218+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
MTY — STL
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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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 octubre 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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.
lun. 12/19:15 amMTY - STL
1 stop30h 14mAir Canada
mar. 12/94:05 pmSTL - MTY
1 stop28h 25mAir Canada
Deal found 10/28$467
This Mytrip deal was found by Cheapflights users on 10/28. 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.
lun. 12/19:15 amMTY - STL
1 stop30h 14mMultiple Airlines
mar. 12/94:05 pmSTL - MTY
2 stops27h 15mMultiple Airlines
Deal found 10/28$501
This United Airlines deal was found by Cheapflights users on 10/28. 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.
lun. 12/16:00 pmMTY - STL
2 stops18h 15mUnited Airlines
mar. 12/96:30 amSTL - MTY
2 stops14h 06mUnited Airlines
Deal found 10/28$503
This United Airlines deal was found by Cheapflights users on 10/28. 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.
dom. 12/211:10 pmMTY - STL
1 stop20h 39mUnited Airlines
dom. 1/46:35 pmSTL - MTY
2 stops15h 05mUnited Airlines
Deal found 10/28$524
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/215:50 amMTY - STL
1 stop8h 57mMultiple Airlines
dom. 12/2110:10 pmSTL - MTY
2 stops26h 00mMultiple Airlines
Deal found 10/27$814
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 12/126:30 amMTY - STL
1 stop9h 34mUnited Airlines
vie. 12/192:45 pmSTL - MTY
2 stops18h 55mUnited Airlines
Deal found 10/28$870
This United Airlines deal was found by Cheapflights users on 10/27. 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.
dom. 12/216:30 amMTY - STL
2 stops7h 56mUnited Airlines
dom. 12/216:35 pmSTL - MTY
2 stops15h 05mUnited Airlines
Deal found 10/27$1,284

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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$363
(Kiwi.com)

One-way from

$257
(OneTravel)
Provider with most accurate pricing for Monterrey Gen Mariano Escobedo-Lambert-St Louis flight deals.
Search Deals
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
Search Deals
One-way flight from Monterrey Gen Mariano Escobedo to Lambert-St Louis
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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 octubre 29, 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

jue. 1/22

9:15 am-3:29 pm

1 stop30h 14m

Lambert-St Louis

mar. 2/17

4:05 pm-8:30 pm

1 stop28h 25m

$464

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

dom. 3/1

8:01 am-8:39 pm

1 stop12h 38m

Lambert-St Louis

jue. 3/5

6:00 am-12:40 pm

1 stop6h 40m

$485

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

mié. 1/21

6:10 am-3:26 pm

1 stop9h 16m

Lambert-St Louis

dom. 2/15

6:00 am-4:16 pm

1 stop10h 16m

$491

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

jue. 1/22

1:10 pm-10:58 pm

2 stops9h 48m

Lambert-St Louis

jue. 2/12

7:41 am-3:58 pm

2 stops8h 17m

$503

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

mié. 1/21

8:50 am-5:43 pm

2 stops8h 53m

Lambert-St Louis

mié. 2/18

8:30 am-6:11 pm

2 stops9h 41m

$503

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

lun. 1/19

1:40 pm-8:45 pm

1 stop7h 05m

Lambert-St Louis

mar. 2/17

6:00 am-5:46 pm

2 stops11h 46m

$503

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

mié. 1/21

8:50 am-5:43 pm

2 stops8h 53m

Lambert-St Louis

jue. 2/12

7:41 am-3:58 pm

2 stops8h 17m

$503

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

mar. 1/20

1:57 pm-8:39 pm

1 stop6h 42m

Lambert-St Louis

jue. 2/12

7:30 am-5:22 pm

1 stop9h 52m

$503

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

mar. 1/20

11:00 am-8:58 pm

2 stops9h 58m

Lambert-St Louis

mar. 2/17

7:41 am-3:58 pm

2 stops8h 17m

$503

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

lun. 12/1

6:00 pm-12:15 pm

2 stops18h 15m

Lambert-St Louis

mar. 12/9

6:30 am-8:36 pm

2 stops14h 06m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 13 results
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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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Monterrey-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

  • How long is the flight from Monterrey to St. Louis?

    A quick flight from Monterrey to St. Louis can take about 9h 16m. Air Canada provides one of the quickest options available for as low as $491. There are 1059 mi between Monterrey and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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