Cheap Flights from Mexico City to St Louis

Compare Mexico City to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Mexico City to St Louis

Looking for a cheap last-minute deal or the best return flight from Mexico City to St Louis Airport? If you want to travel next month, return fares start from R 7,542. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Mexico City to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Mexico City to St Louis flights are currently cheapest in September.

Mexico City to St Louis: Alternative routes

Compare routes from Mexico City to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Mexico City to St Louis: Flight information

The things to know before you go.
Cheapest flight foundR 3,809
Cheapest month to flySeptember

Finding cheap flights from Mexico City to St Louis: Frequently asked questions

The best price we found for a return flight from Mexico City to St Louis is R 6,995. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Mexico City to St Louis. But we found flights with one stop from R 6,995.
As of June 2026, there are no flights flying from Mexico City to St Louis.
The cheapest month to fly from Mexico City to St Louis is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Mexico City to St Louis Airport on Monday, 31 August 2026.
No airlines currently offer direct flights between Mexico City and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to St Louis is Viva .

Travelling from Mexico City to St Louis Lambert International Airport (STL): What you need to know

  • Mexico City and St Louis (where St Louis Lambert International Airport is located) share the UTC-6 timezone. That means you won't need to change your watch once you arrive.

  • Get to the airport on time so you don't miss your flight from Mexico City to STL. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.

  • Popular months like September or other peak seasons mean longer waiting times and potential delays. Stick to your schedule by arriving at the airport even earlier. Aim for at least four hours ahead of international flights and two hours before domestic departures.

Airports in Mexico City

Mexico City Benito Juarez International Airport (MEX)

  • We make it easy to book cheap flights from Mexico City to STL that include a stopover. To explore all the options departing from Mexico City Benito Juarez International Airport (MEX), uncheck 'Direct flights only.' Then, select a flight that has a stop long enough to tour your chosen city. Some popular stopovers between MEX and STL include:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Houston George Bush Intercontinental Airport (IAH)

    • San Antonio International Airport (SAT)

  • Located around 13 kilometres from the centre of Mexico City, MEX can be reached in about 30 minutes by car, depending on traffic. The journey by public transport is roughly 40 minutes.

  • Want an easy start to your journey? Stay near Mexico City Benito Juarez International Airport. Whether you're catching an early flight from Mexico City to St Louis Lambert International Airport or want to avoid feeling rushed, these hotels are the ideal choice:

  • Mexico City Benito Juarez International Airport scores high marks for on-time performance. 84% of flights that depart MEX land on time.

Mexico City Felipe Angeles International Airport (NLU)

  • Think about building a stopover into your journey at Cancun International Airport (CUN). It's a key transfer point for flights from Mexico City to St Louis Lambert International Airport (STL) departing Mexico City Felipe Angeles International Airport.

  • With public transport, you can travel from central Mexico City to NLU in about 2 hours. The terminal is roughly 56 kilometres away, and making the journey by car takes approximately 55 minutes.

  • Getting to the airport on time before your Mexico City to STL flight is easier when you stay near Mexico City Felipe Angeles International Airport. If you have an early departure, Verticca Hotel gives you a head start on the journey.

  • 76% of flights leaving Mexico City Felipe Angeles International Airport arrive according to schedule.

About St Louis Lambert International Airport (STL)

Getting from St Louis Lambert International Airport (STL) to central St Louis

  • Central St Louis is around 24 kilometres from St Louis Lambert International Airport and takes about 25 minutes to reach by car. See what your options are for heading into the city, whether that's with a car hire, taxi or ride-share.

  • When travelling on public transport, expect a journey of roughly 30 minutes.

How to find the cheapest flights from Mexico City to St Louis Lambert International Airport (STL)

  • R 3,809 is currently the best price for a one-way ticket from Mexico City to St Louis Lambert International Airport. A return flight starts from R 6,995. These fares can change depending on demand.

  • Don't leave everything to the last minute. You're more likely to walk away with cheap flights from Mexico City to STL if you book early. Airlines often offer some fantastic early bird rates.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the cheapest price across every month when searching for your Mexico City to St Louis Lambert International Airport ticket.

  • Save time searching for cheap plane tickets from Mexico City to STL by creating a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Tailor your trip using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Mexico City to St Louis Lambert International Airport.

The best time to fly from Mexico City to St Louis Lambert International Airport (STL)

  • December is the quietest month for flights from Mexico City to St Louis Lambert International Airport (STL), while July is the busiest. Figure out the best time to visit St Louis based on whether you want a laid-back vibe or a lively atmosphere.

  • When booking your Mexico City to STL plane ticket, consider the type of weather you enjoy. July is the warmest month in St Louis, with temperatures ranging from 17ºC (63ºF) to 33ºC (91ºF).

  • January sees temperatures of between -7ºC (19ºF) and 8ºC (46ºF). Look for cheap tickets from Mexico City to St Louis Lambert International Airport around that time if you'd rather travel in cooler conditions.

More about St Louis

Explore more of the United States

  • St Louis is always a good idea, but there are so many other corners of the United States just waiting to be explored. Around 257 kilometres east of St Louis, a trip to Evansville will keep your itinerary busy. Check out popular attractions like Mesker Park Zoo, Riverfront Park and Evansville Museum of Arts, History & Science.

  • Around 177 kilometres west of St Louis, Columbia is another favourite stop in the United States. Get a taste of what this destination has to offer at Museum of Art and Archaeology, Mizzou Botanic Garden and Francis Quadrangle.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.