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Cheap flights from Monterrey (MTY) to St. Louis (STL) from $487

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MTY — STL
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
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 April 28, 2024.

Popular in

July

Cheapest in

November

Average price

$640

Round-trip from

$323
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 50% potential price drop
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Average for round-trip flights in April 2024
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From Monterrey Gen Mariano Escobedo to Lambert-St Louis
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What is the cheapest day to fly round-trip from Monterrey to St. Louis?

Travelers have found that booking a Wednesday departure is the best way to save up to 37% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Monterrey to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to St. Louis. Flights to St. Louis from Monterrey in November are about $571 on average during November, but can be found for as low as $284.

When is the cheapest time to fly from Monterrey to St. Louis (MTY - STL)?

One of the essential ways to save on airfare from Monterrey to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

Cheap Aeromexico flights from Monterrey to St. Louis

Explore cheap flight options specifically provided by Aeromexico for the route between Monterrey and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the cheapest Aeromexico flights we've come across from Monterrey to St. Louis. Make sure to double check the flight details before booking.
Sun 6/912:53 pmMTY - STL
1 stop7h 18mAeromexico
Sun 6/166:00 amSTL - MTY
1 stop6h 38mAeromexico
Deal found 4/27$507
Sun 6/910:20 pmMTY - STL
2 stops24h 23mAeromexico
Sun 6/166:00 amSTL - MTY
1 stop6h 38mAeromexico
Deal found 4/27$574
Sun 6/910:20 pmMTY - STL
2 stops24h 23mAeromexico
Sun 6/164:02 pmSTL - MTY
2 stops10h 06mAeromexico
Deal found 4/27$642

Cheap United Airlines flights from Monterrey to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between Monterrey and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Some of the best deals we've found on United Airlines flights traveling from Monterrey to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Thu 7/410:00 amMTY - STL
1 stop5h 28mUnited Airlines
Thu 7/186:20 amSTL - MTY
1 stop11h 58mUnited Airlines
Deal found 4/26$517
Thu 7/410:00 amMTY - STL
2 stops28h 40mUnited Airlines
Thu 7/186:20 amSTL - MTY
1 stop9h 38mUnited Airlines
Deal found 4/26$526

Cheap Monterrey to St. Louis flights in April & May 2024

Find cheap flight options from Monterrey to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Listed are some of the best fares we've found on flights departing from Monterrey to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Mon 4/2912:40 pmMTY - STL
1 stop6h 35mAeromexico
Fri 5/310:01 amSTL - MTY
1 stop8h 43mAeromexico
Deal found 4/27$1,009

Monterrey to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Monterrey and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Listed are some of the best fares we've found on flights departing from Monterrey to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Sat 9/78:45 amMTY - STL
1 stop13h 54mDelta
Tue 9/1011:51 amSTL - MTY
1 stop6h 24mDelta
Deal found 4/27$487
Sun 6/912:53 pmMTY - STL
1 stop7h 18mAeromexico
Sun 6/166:00 amSTL - MTY
1 stop6h 38mAeromexico
Deal found 4/27$507
Thu 7/410:00 amMTY - STL
1 stop5h 28mUnited Airlines
Thu 7/186:20 amSTL - MTY
1 stop11h 58mUnited Airlines
Deal found 4/26$517
Thu 7/410:00 amMTY - STL
2 stops28h 40mUnited Airlines
Thu 7/186:20 amSTL - MTY
1 stop9h 38mUnited Airlines
Deal found 4/26$526
Sun 6/910:20 pmMTY - STL
2 stops24h 23mAeromexico
Sun 6/166:00 amSTL - MTY
1 stop6h 38mAeromexico
Deal found 4/27$574
Sun 6/910:20 pmMTY - STL
2 stops24h 23mAeromexico
Sun 6/164:02 pmSTL - MTY
2 stops10h 06mAeromexico
Deal found 4/27$642
Thu 7/45:30 amMTY - STL
3 stops26h 59mMultiple Airlines
Thu 7/188:35 pmSTL - MTY
2 stops23h 35mMultiple Airlines
Deal found 4/26$654
Thu 7/45:35 pmMTY - STL
2 stops19h 41mMultiple Airlines
Thu 7/188:35 pmSTL - MTY
2 stops23h 35mMultiple Airlines
Deal found 4/26$673
Sun 6/93:58 pmMTY - STL
3 stops20h 53mMultiple Airlines
Sun 6/1612:15 pmSTL - MTY
3 stops22h 01mMultiple Airlines
Deal found 4/27$759

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$487 - $759

Route

Depart

Return

Price

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Sat 9/7

1 stop13h 54m

Lambert-St Louis

Tue 9/10

1 stop6h 24m

$487

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Sun 6/9

1 stop7h 18m

Lambert-St Louis

Sun 6/16

1 stop6h 38m

$507

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Thu 7/4

1 stop5h 28m

Lambert-St Louis

Thu 7/18

1 stop11h 58m

$517

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Thu 7/4

2 stops28h 40m

Lambert-St Louis

Thu 7/18

1 stop9h 38m

$526

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Sun 6/9

2 stops24h 23m

Lambert-St Louis

Sun 6/16

1 stop6h 38m

$574

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Sun 6/9

2 stops24h 23m

Lambert-St Louis

Sun 6/16

2 stops10h 06m

$642

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Thu 7/4

3 stops26h 59m

Lambert-St Louis

Thu 7/18

2 stops23h 35m

$654

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Thu 7/4

2 stops19h 41m

Lambert-St Louis

Thu 7/18

2 stops23h 35m

$673

Monterrey Gen Mariano EscobedoLambert-St Louis

MTY - STL

MTYSTL

Monterrey Gen Mariano Escobedo

Sun 6/9

3 stops20h 53m

Lambert-St Louis

Sun 6/16

3 stops22h 01m

$759

Flights are sorted by cheapest first

Deals found on 4/27

When is the cheapest time to fly from Monterrey to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Monterrey to St. Louis. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Monterrey to St. Louis flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to St. Louis by month

Plan your trip from Monterrey to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Monterrey to St. Louis is currently $0 while a round-trip flight costs $593. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Monterrey to St. Louis (average of $323). Flying from Monterrey to St. Louis in July is currently the most expensive (average of $378). 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.

January

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °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 April 28, 2024.
Get a feel of what it's like to fly with Aeromexico and United Airlines from Monterrey to St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Aeromexico
7.7
Good
2,626 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Food

7.4

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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.

  • Can I find flights from Monterrey to St. Louis for under $500 on Cheapflights?

    Yes, there are multiple flights from Monterrey to St. Louis for under $500. The cheapest flight booked recently is on Delta for just $487, but on average you can expect to pay $614.

  • What are the cheapest airlines flying from Monterrey to St. Louis round-trip?

    According to our current data, Delta ($487), Aeromexico ($507), and United Airlines ($517) offers the cheapest pricing from Monterrey to St. Louis. Delta is currently priced 14% below the average price you’ll pay for this route.

  • What does MTY to STL mean?

    MTY stands for Monterrey Gen Mariano Escobedo Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Monterrey to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Monterrey to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Monterrey to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Monterrey to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Monterrey to St. Louis that allow pets onboard?

    Many airlines flying from Monterrey to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Monterrey to St. Louis?

    Yes, you can often find last-minute deals on Monterrey to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Monterrey to St. Louis flight deals updated?

    The Monterrey to St. Louis flight deals you see on this page were last updated on 4/27.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

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The Hill car rentals

Top airline flying from Monterrey to St. Louis

Discover the top airline that operate flights from Monterrey to St. Louis. 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$443Average$629FlexibilityNo cancel feeOn-time69%
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Search flights from Monterrey to St. Louis by cabin class

Find flights from Monterrey to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Monterrey to St. Louis?

When you search for this flight from Monterrey to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Monterrey to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Monterrey to St. Louis.

Can Cheapflights find flights from Monterrey to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Monterrey to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Monterrey to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Monterrey to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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