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Cheap flights from St Louis to Mexico City

Compare St Louis to Mexico City flight deals

Find the cheapest month or even day of the year to fly to Mexico City

Book the best Mexico City fare with no extra fees

Flight deals from St Louis to Mexico City

Looking for a cheap last-minute deal or the best return flight from St Louis to Mexico City? Find the lowest prices on one-way and return tickets right here.
Mexico City.P24,032 per passenger.Departing Sat, 11 Oct, returning Sat, 18 Oct.Return flight with Frontier Airlines and Volaris.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 11 Oct, arriving in Mexico City Juarez International.Inbound indirect flight with Volaris, departs from Mexico City Juarez International on Sat, 18 Oct, arriving in St Louis.Price includes taxes and charges.From P24,032, select.
Mexico City.P30,991 per passenger.Departing Wed, 14 Jan, returning Tue, 20 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Wed, 14 Jan, arriving in Mexico City Juarez International.Inbound indirect flight with Delta, departs from Mexico City Juarez International on Tue, 20 Jan, arriving in St Louis.Price includes taxes and charges.From P30,991, select.
Mexico City.P30,991 per passenger.Departing Tue, 25 Nov, returning Wed, 10 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Tue, 25 Nov, arriving in Mexico City Juarez International.Inbound indirect flight with Delta, departs from Mexico City Juarez International on Wed, 10 Dec, arriving in St Louis.Price includes taxes and charges.From P30,991, select.
Mexico City.P31,201 per passenger.Departing Thu, 6 Nov, returning Tue, 11 Nov.Return flight with United.Outbound indirect flight with United, departs from St Louis on Thu, 6 Nov, arriving in Mexico City Juarez International.Inbound indirect flight with United, departs from Mexico City Juarez International on Tue, 11 Nov, arriving in St Louis.Price includes taxes and charges.From P31,201, select.
Mexico City.P31,777 per passenger.Departing Thu, 25 Sep, returning Mon, 13 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Thu, 25 Sep, arriving in Mexico City Juarez International.Inbound indirect flight with Delta, departs from Mexico City Juarez International on Mon, 13 Oct, arriving in St Louis.Price includes taxes and charges.From P31,777, select.
Mexico City.P33,536 per passenger.Departing Fri, 26 Dec, returning Sat, 10 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 26 Dec, arriving in Mexico City Juarez International.Inbound indirect flight with Delta, departs from Mexico City Juarez International on Sat, 10 Jan, arriving in St Louis.Price includes taxes and charges.From P33,536, select.
Mexico City.P33,754 per passenger.Departing Sun, 7 Sep, returning Sat, 20 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Sun, 7 Sep, arriving in Mexico City Juarez International.Inbound indirect flight with Air Canada, departs from Mexico City Juarez International on Sat, 20 Sep, arriving in St Louis.Price includes taxes and charges.From P33,754, select.
Mexico City.P34,020 per passenger.Departing Sun, 31 Aug, returning Fri, 5 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Sun, 31 Aug, arriving in Mexico City Juarez International.Inbound indirect flight with Air Canada, departs from Mexico City Juarez International on Fri, 5 Sep, arriving in St Louis.Price includes taxes and charges.From P34,020, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Mexico City flights are currently cheapest in October.
Aug
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Sep
from P33,754
Oct
from P24,032
Nov
from P31,201
Dec
from P39,204
Jan
from P30,991
Feb
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Mar
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Apr
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May
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Jun
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Jul
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Alternative St Louis to Mexico City routes

Looking for the cheapest, fastest or easiest route from St Louis to Mexico City? You could fly into the following airports instead.

St Louis to Mexico City: Flight information

The things to know before you go.
Cheapest flight foundP24,032
Cheapest month to flyOctober

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

There are 3 airports in Mexico City: Mexico City Juarez International, Felipe Angeles International and Toluca.
The best price we found for a return flight from St Louis to Mexico City is P24,032. 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 St Louis to Mexico City. But we found flights with one or more stops from P24,032.
As of August 2025, there are no flights flying from St Louis to Mexico City.
The cheapest month to fly from St Louis to Mexico City is usually October.
If you're flying from St Louis Airport, the cheapest airport near Mexico City is Mexico City Juarez International – which is 6.4 km away from the centre of Mexico City. We've found flights into this airport from P24,032.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Mexico City on Saturday, 11 October 2025.
No airlines currently offer direct flights between St Louis Airport and Mexico City. 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 Mexico City 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 Mexico City is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 16°C. June is typically the warmest month in Mexico City, when it usually averages around 24°C. You can expect the least rain in December. The coldest month is December, with temperatures averaging 5°C. The rainiest month is September.
Currently, Frontier Airlines offers the cheapest flight tickets to Mexico City.

Flying from Lambert-St. Louis International Airport (STL) to Mexico City: what you need to know

  • Lambert-St. Louis International Airport is located in St Louis. Based in the UTC-6 timezone, Mexico City is one hour behind St Louis.

  • Give yourself plenty of time to make your STL to Mexico City flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak period like public or school holidays? Expect longer lines at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • We make it a breeze to book plane tickets from STL to Mexico City with a stopover. To see your options, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Some popular stopovers include:

    • Dallas/Fort Worth International Airport (DFW)

    • George Bush Intercontinental Airport (IAH)

    • Cancun International Airport (CUN)

  • Located around 16 kilometres from central St Louis, STL can be reached in about 20 minutes by car. Travelling on public transport takes roughly 35 minutes.

  • Looking for a hotel close to STL? If you're catching an early flight from Lambert-St. Louis International Airport to Mexico City, these accommodation options set you up for a seamless send-off:

  • When it comes to the on-time performance of Lambert-St. Louis International Airport, data shows 78.04% of flights stick to their scheduled arrival time.

  • STL's address is 10701 Lambert International Blvd..

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

  • P15,605 is currently the lowest price for a one-way Lambert-St. Louis International Airport to Mexico City flight. A return plane ticket starts from P24,032. These fares may change depending on demand and availability.

  • Booking early is often the key to securing a cheap flight from STL to Mexico City. Fares tend to rise as seats fill up, so the nearer your departure date, the more expensive your ticket may be.

  • If you're flexible with your travel plans, use the 'Whole month' search tool. It'll show you the lowest price across every month when looking for a Lambert-St. Louis International Airport to Mexico City ticket.

  • Save time looking for cheap flights from STL to Mexico City by setting up a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.

  • Save money on your flight from Lambert-St. Louis International Airport to Mexico City with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Mexico City

Benito Juarez International Airport (MEX)

  • Benito Juarez International Airport (MEX) is around 8 kilometres from the centre of Mexico City. If you're catching a cab or a ride-share, the drive takes about 25 minutes.

  • When travelling on public transport, expect a journey time of about 55 minutes.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from Lambert-St. Louis International Airport to Mexico City. Check in to one of these accommodation options near MEX instead:

  • Pick up a Benito Juarez International Airport rental car and discover Mexico City and beyond with your own set of wheels. INFINITY RENT, MEX and America are well-known companies to choose from here.

  • Booking your vehicle from Benito Juarez International Airport around four weeks ahead of your flight from STL to Mexico City can help you lock in the best possible rate.

Santa Lucia Air Force Base Airport (NLU)

  • Once your flight from Lambert-St. Louis International Airport to Mexico City has hit the runway, you can make your way to the city centre in around 55 minutes by car. Central Mexico City is roughly 40 kilometres from Santa Lucia Air Force Base Airport (NLU).

  • If you're travelling on public transport, it'll take about 1 hour 45 minutes.

  • Verticca Hotel is a comfortable accommodation option within an easy drive of NLU. Drop your bags here after your STL to Mexico City flight and then put up the 'Do not disturb' sign for some uninterrupted rest.

  • Europcar, MEX and Keddy By Europcar make collecting a Santa Lucia Air Force Base Airport rental car easy and quick. These trusted companies are located in or around the terminal and will get you on your way in no time.

  • Avoid paying extra. Booking your ride one week ahead of your arrival at NLU can land you a better rate.

Best time to go to Mexico City

  • Plan your trip to Mexico City during peak season if you prefer a bustling atmosphere, but remember that hotel prices are typically higher. Alternatively, book your flights from Lambert-St. Louis International Airport to Mexico City in the off-season when prices are cheaper and it's less crowded.

  • Book a Lambert-St. Louis International Airport to Mexico City plane ticket with a departure in April to visit the city during its warmest month. You can expect temperatures to range from 10ºC (50ºF) to 28ºC (82ºF).

  • January has average temperatures of between 6ºC (43ºF) and 23ºC (73ºF). Look for a cheap ticket from STL to Mexico City around that time if you want to travel when it's cooler.

More about Mexico City

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Mexico City right here. Browse these hotels after locking in your flight from Lambert-St. Louis International Airport to Mexico City:

  • All great adventures should include some sightseeing. Chapultepec Park, Zocalo and National Museum of Anthropology are must-visits when exploring Mexico City.

Explore more of Mexico

  • Mexico City has loads to offer, but there are so many other parts of Mexico you should also see. About 467 kilometres west of Mexico City, a visit to Guadalajara will keep your itinerary busy. Start with attractions like Teatro Degollado, Portales Tlaquepaque Park and Zoologico Guadalajara.

  • Puebla is another essential stop in Mexico and is around 105 kilometres south-east of Mexico City. No trip is complete without dropping by Mirador de Los Fuertes, Cuexcomate and Street of Candies.

Plan the rest of your trip from St Louis to Mexico City

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.