Cheap flights from St. Louis (STL) to Mexico City (MEX)

STL — MEX
Aug 16 — Aug 231

The best prices from Lambert-St Louis to Mexico City Benito Juarez are usually found in January or December, booked 57 days in advance, depart on a Wednesday or Saturday and return on a Monday

How to find the cheapest flight from St. Louis (STL) to Mexico City (MEX)

All the information you need to plan the best STL to MEX flight in 2022: compare St. Louis to Mexico City flight prices with the expected peak season, weather and rainfall in Mexico City.

STL - MEX

Price

$369 - $684

MEX

Temperature

55.4 - 66.2 °F

MEX

Rainfall

0 - 4.7 inches

Popular inJulyHigh demand for flights, 17% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 35% potential price drop
Round-trip from$369From Lambert-St Louis to Mexico City Benito Juarez
One-way from$261One-way flight from Lambert-St Louis to Mexico City Benito Juarez

What is the cheapest day to fly round-trip from St. Louis to Mexico City?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 16% when planning your travel around this day of the week.

How far in advance should I book a flight from St. Louis to Mexico City?

To save on the cost of your flight from St. Louis to Mexico City, book at least 57 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $638 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $673.

What is the cheapest month to fly from St. Louis to Mexico City?

January is one of the best times of the year to fly to Mexico City from St. Louis. Prices for January average $567 per person but you can even find prices for as low as $296. The most expensive prices can be found in the month of July. Opting for a January flight can save you 20% on your journey compared to booking in July

When is the cheapest time to fly from St. Louis to Mexico City (STL - MEX)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Mexico City in the evening. If you’re flexible enough to do this you can expect to save up to 95% on your trip compared to booking a flight at noon.

Cheap flights from St. Louis to Mexico City in August, September 2022

The best prices found for STL to MEX flights for August, September
Sep 6 - Sep 13
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

24h 09m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

2 stops

32h 31m
$324

Multiple Airlines

Pick Dates

Deal found 9/8/22

Sep 11 - Sep 16
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

22h 15m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

2 stops

19h 42m
$330

Multiple Airlines

Pick Dates

Deal found 9/8/22

Sep 28 - Oct 4
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

22h 15m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

9h 41m
$347

Multiple Airlines

Pick Dates

Deal found 10/8/22

St. Louis to Mexico City 2022 flight deals

Cheap flights to Mexico City from St. Louis found for this year
Sep 6 - Sep 13
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

24h 09m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

2 stops

32h 31m
$324

Multiple Airlines

Pick Dates

Deal found 9/8/22

Sep 11 - Sep 16
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

22h 15m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

2 stops

19h 42m
$330

Multiple Airlines

Pick Dates

Deal found 9/8/22

Sep 28 - Oct 4
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

22h 15m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

9h 41m
$347

Multiple Airlines

Pick Dates

Deal found 10/8/22

Cheap Aeromexico flights from St. Louis to Mexico City

Aug 18 - Aug 23
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

2 stops

13h 51m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

2 stops

19h 59m
$649

Aeromexico

Pick Dates

Deal found 8/10/22

Aug 20 - Aug 23
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

2 stops

16h 06m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

2 stops

19h 59m
$668

Aeromexico

Pick Dates

Deal found 8/10/22

Aug 19 - Aug 23
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

2 stops

27h 46m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

16h 44m
$755

Aeromexico

Pick Dates

Deal found 8/10/22

Cheap Air Canada flights from St. Louis to Mexico City

Aug 20 - Aug 22
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

7h 45m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

14h 36m
$1,233

Air Canada

Pick Dates

Deal found 8/10/22

Aug 18 - Aug 22
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

7h 45m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

14h 36m
$1,244

Air Canada

Pick Dates

Deal found 8/10/22

Aug 19 - Aug 22
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

17h 55m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

14h 36m
$1,292

Air Canada

Pick Dates

Deal found 8/10/22

Last minute flights from St. Louis to Mexico City

Late deals on return flights to Mexico City from St. Louis, departing today and this week
Aug 19 - Aug 23
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

24h 09m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

9h 25m
$387

Multiple Airlines

Pick Dates

Deal found 8/10/22

Aug 19 - Aug 21
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

7h 50m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

19h 54m
$417

Multiple Airlines

Pick Dates

Deal found 8/9/22

Aug 19 - Aug 21
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

2 stops

18h 02m
MEX

Mexico City Benito Juarez

STL

Lambert-St Louis

1 stop

19h 54m
$436

Multiple Airlines

Pick Dates

Deal found 8/9/22

One-way flights to Mexico City from St. Louis

The cheapest one-way flights from St. Louis to Mexico City
Sep 20
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

2 stops

39h 10m
$142

Multiple Airlines

Pick Dates

Deal found 8/8/22

Aug 23
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

1 stop

22h 18m
$152

Multiple Airlines

Pick Dates

Deal found 8/9/22

Aug 23
STL

Lambert-St Louis

MEX

Mexico City Benito Juarez

2 stops

31h 58m
$154

Multiple Airlines

Pick Dates

Deal found 8/9/22

Related info for your journey

Useful info, stats and facts about St. Louis to Mexico City flights.

Which airlines flying from Lambert-St Louis to Mexico City Benito Juarez have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Mexico City Benito Juarez have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Juneyao Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from St. Louis to Mexico City for under $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Mexico City for under $400. The cheapest flight booked recently is on Multiple Airlines for just $324, but on average you can expect to pay $372.

Are there last-minute flights available from St. Louis to Mexico City for under $400?

There are currently 20+ open flights from St. Louis to Mexico City within the next 7 days for less than $400.

How popular is this St. Louis to Mexico City flight route?

This flight path from Lambert-St Louis to Mexico City Benito Juarez was viewed by 30 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from St. Louis to Mexico City one-way?

For one-way options, check prices for Aeromexico. According to our data, you can fly for as low as $233. Users have also found prices from $261 and $280 on American Airlines and British Airways, respectively.

What are the most popular airlines that fly from St. Louis to Mexico City?

Consider Undisclosed Carrier, American Airlines or Air Canada when booking your flight. These represent the most popular airlines when flying from St. Louis to Mexico City.

What are the cheapest flights from St. Louis to Mexico City?

On average you can expect to pay $724 for a flight from St. Louis to Mexico City. The cheapest flight overall is $307 while the most popular route, (Lambert-St Louis - Mexico City Benito Juarez) is currently priced at $324.

Alternative routes for St. Louis to Mexico City

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from St. Louis to Mexico City

The chart below displays the airlines Cheapflights users traveling from St. Louis to Mexico City choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$17Average$24FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
American AirlinesCheapest$531Average$638FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$542Average$660FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$555Average$630FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights