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$352+ Cheap flights from Monterrey (MTY) to St. Louis (STL)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
MTY — STL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$352
(OneTravel)

Popular in

November

Cheapest in

May

Average price

$671
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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Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 21, 2025.

This OneTravel deal was found by Cheapflights users on 1/21. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/192:55 pmMTY - STL
2 stops41h 14mFrontier
Mon 6/26:55 pmSTL - MTY
1 stop22h 25mFrontier
Deal found 1/21$352
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Wed 2/195:50 pmMTY - STL
1 stop20h 54mMultiple Airlines
Mon 2/2412:15 pmSTL - MTY
2 stops8h 50mMultiple Airlines
Deal found 1/21$432
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 5/207:35 amMTY - STL
2 stops12h 26mUnited Airlines
Mon 6/25:27 pmSTL - MTY
2 stops16h 10mUnited Airlines
Deal found 1/21$463
This Delta deal was found by Cheapflights users on 1/21. 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 2/191:53 pmMTY - STL
1 stop9h 43mDelta
Mon 2/246:00 amSTL - MTY
1 stop6h 43mDelta
Deal found 1/21$501
This Aeromexico deal was found by Cheapflights users on 1/21. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/199:34 amMTY - STL
2 stops12h 15mAeromexico
Mon 2/246:00 amSTL - MTY
2 stops10h 48mAeromexico
Deal found 1/21$594
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/194:31 pmMTY - STL
2 stops21h 54mAlaska Airlines
Sun 2/233:21 pmSTL - MTY
3 stops24h 20mAlaska Airlines
Deal found 1/21$857

Find flights from Monterrey to St. Louis within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Mon 5/19

2:55 pm-9:09 am

2 stops41h 14m

Lambert-St Louis

Mon 6/2

6:55 pm-4:20 pm

1 stop22h 25m

$352

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Wed 2/19

5:50 pm-2:44 pm

1 stop20h 54m

Lambert-St Louis

Mon 2/24

12:15 pm-9:05 pm

2 stops8h 50m

$432

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Tue 5/20

7:35 am-9:01 pm

2 stops12h 26m

Lambert-St Louis

Mon 6/2

5:27 pm-8:37 am

2 stops16h 10m

$463

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Wed 2/19

1:53 pm-11:36 pm

1 stop9h 43m

Lambert-St Louis

Mon 2/24

6:00 am-12:43 pm

1 stop6h 43m

$501

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Wed 2/19

9:34 am-9:49 pm

2 stops12h 15m

Lambert-St Louis

Mon 2/24

6:00 am-4:48 pm

2 stops10h 48m

$594

MonterreySt. Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Wed 2/19

4:31 pm-2:25 pm

2 stops21h 54m

Lambert-St Louis

Sun 2/23

3:21 pm-3:41 pm

3 stops24h 20m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 January.
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.

Travel insights for flights from Monterrey to St. Louis

Get recent, data-driven insights about flights from Monterrey to St. Louis including ideal travel times, pricing trends, and more.

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 January 21, 2025.
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Aeromexico
7.5
Good
1,849 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,985 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Frontier
6.1
Okay
3,443 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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, Frontier ($352), United Airlines ($463), and Delta ($501) offers the cheapest pricing from Monterrey to St. Louis. Frontier is currently priced 39% 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?

Book flights to Monterrey if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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