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Monterrey to St. Louis - Flights Starting at US$245

Book one-way or return flights from Monterrey to St. Louis from as little as US$245. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Monterrey to St. Louis

View airlines operating flights from Monterrey to St. Louis. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

United Airlines
From US$201
Aeromexico
From US$229
Viva Aerobus
From US$245
Volaris
From US$316
Air Canada
From US$318
Delta Air Lines
From US$382
American Airlines
From US$404
ANA airlines

Find more flights and airlines

Alternative Routes from Monterrey to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Monterrey to St. Louis.

  • Cheapest
    United Airlines
    MTY
    15:55
    29h 11m
    2 transfer
    STL
    22:06
    General Mariano Escobedo International Airport - St. Louis Lambert International Airport
    Wed, May 22United Airlines
    US$201
  • United Airlines
    MTY
    15:55
    29h 11m
    2 transfer
    STL
    22:06
    General Mariano Escobedo International Airport - St. Louis Lambert International Airport
    Wed, May 22United Airlines
    US$201
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Monterrey (MTY) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Monterrey to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Monterrey (MTY) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around $598.
  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20km. It takes about 40 minutes by taxi.

How to find a cheap flight from Monterrey to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Monterrey to St. Louis. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Monterrey to St. Louis Flight Information

Cheapest nonstop flight price

$245

Off-season for travel

April

Peak season for travel

October

Flight distance

1,724.71km

Popular airline

American Airlines