£262 Cheap Flights from Mexico City (MEX) to St. Louis (STL)

Pack your bags, because round-trip flights between MEX and St. Louis Lambert International Airport start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.

Each air carrier has its own set of terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for MEX to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select.

The flight distance between Mexico Airport and St. Louis Lambert International Airport is 2,300 kilometres. Squeeze in a nap or finish off your latest read and the journey will zip by.

At present, no airlines offer direct flights from Mexico Airport to STL. You'll have to book a flight with one or more stops. To score the best connections and price, lock in your airfare ahead of time.

Last-minute planners can sometimes find a bargain, with some super cheap airfares from Mexico City Intl. Airport (MEX) to Lambert-St. Louis Intl. Airport (STL) cropping up a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance.