St Louis to Mexico City flights

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Fare seen

€546Seen on 26 Sep 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €285

27 Oct 2026

Volaris · 1 stop · One way

Cheapest observed day · Last checked: 11 Sep 2026

Departure

06:20

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: Aeromexico, Air Canada, American Airlines, Frontier Airlines, United Airlines, Viva Aerobus +1 more
Typical journey time: 22h 20m

Short answer

We have seen Aeromexico fares from St Louis to Mexico City. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €546 on 26 Sep 2026.

About this route

Explore the fares we observed from St Louis to Mexico City. Prices move often, so pick your dates to see the latest options.

Route distance: 2,302 km
Typical journey time: 22h 20m
Airlines seen: Aeromexico, Air Canada, American Airlines, Frontier Airlines, United Airlines, Viva Aerobus +1 more
Seen on fares with a connection: Frontier Airlines, Air Canada, Volaris, Viva Aerobus, American Airlines, Aeromexico
Alternative airports: SUS, NLU, TLC

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
Mexico City Benito Juárez International Airport (MEX) → Mexico City, city gazetteer reference point (19.4270, -99.1276): ≈ 6 km.
Felipe Ángeles International Airport (NLU) → Mexico City, city gazetteer reference point (19.4270, -99.1276): ≈ 37 km.
Adolfo López Mateos International Airport (TLC) → Mexico City, city gazetteer reference point (19.4270, -99.1276): ≈ 47 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from St Louis to Mexico City?

A fare of €546 was seen on 26 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from St Louis to Mexico City?

Our data holds no non-stop flight from St Louis to Mexico City. The fares on this page include at least one stop.

Which airlines fly from St Louis to Mexico City?

These are the carriers we have seen on the route: Aeromexico, Air Canada, American Airlines, Frontier Airlines, United Airlines, Viva Aerobus +1 more.

How long does the flight from St Louis to Mexico City take?

The average journey time across the 73 fares we observed is 20h 18m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed St Louis to Mexico City fares were non-stop?

None of the 75 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide