Cheap flights from St. Louis (STL) to Mexico

STL — MEX
Oct 4 — Oct 111

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

Find a great deal and save up to 4% by booking at least 18 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Mexico within the next two weeks, with the cheapest ticket starting at $298.

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

April can be a great time to fly to Mexico from St. Louis with a flight ticket averaging about $350. Cheapflights users have found deals in the month of April for as cheap as $177. The most expensive prices can be found in the month of June.

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

When flying from St. Louis to Mexico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The best prices found for STL to Mexico flights for September, October
Oct 1 - Oct 5
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 11m
CUN

Cancun

STL

Lambert-St Louis

1 stop

6h 51m
$228

Spirit Airlines

Pick Dates

Deal found 9/26/22

Oct 1 - Oct 5
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 11m
CUN

Cancun

STL

Lambert-St Louis

1 stop

6h 51m
$230

Spirit Airlines

Pick Dates

Deal found 9/27/22

Oct 11 - Oct 14
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 51m
CUN

Cancun

STL

Lambert-St Louis

1 stop

12h 26m
$242

Frontier

Pick Dates

Deal found 9/29/22

St. Louis to Mexico 2022 flight deals

Cheap flights to Mexico from St. Louis found for this year
Oct 1 - Oct 5
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 11m
CUN

Cancun

STL

Lambert-St Louis

1 stop

6h 51m
$228

Spirit Airlines

Pick Dates

Deal found 9/26/22

Oct 1 - Oct 5
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 11m
CUN

Cancun

STL

Lambert-St Louis

1 stop

6h 51m
$230

Spirit Airlines

Pick Dates

Deal found 9/27/22

Nov 30 - Dec 6
STL

Lambert-St Louis

CUN

Cancun

1 stop

5h 56m
CUN

Cancun

STL

Lambert-St Louis

1 stop

27h 02m
$233

Spirit Airlines

Pick Dates

Deal found 9/29/22

Cheap Spirit Airlines flights from St. Louis to Mexico

Nov 30 - Dec 6
STL

Lambert-St Louis

CUN

Cancun

1 stop

5h 56m
CUN

Cancun

STL

Lambert-St Louis

1 stop

27h 02m
$233

Spirit Airlines

Pick Dates

Deal found 9/29/22

Dec 3 - Dec 7
STL

Lambert-St Louis

CUN

Cancun

1 stop

27h 36m
CUN

Cancun

STL

Lambert-St Louis

1 stop

26h 35m
$235

Spirit Airlines

Pick Dates

Deal found 9/28/22

Nov 29 - Dec 4
STL

Lambert-St Louis

CUN

Cancun

1 stop

5h 56m
CUN

Cancun

STL

Lambert-St Louis

1 stop

18h 03m
$240

Spirit Airlines

Pick Dates

Deal found 9/27/22

Cheap American Airlines flights from St. Louis to Mexico

Oct 11 - Oct 18
STL

Lambert-St Louis

CUN

Cancun

1 stop

11h 32m
CUN

Cancun

STL

Lambert-St Louis

1 stop

14h 59m
$277

American Airlines

Pick Dates

Deal found 9/28/22

Oct 29 - Nov 2
STL

Lambert-St Louis

CUN

Cancun

1 stop

28h 45m
CUN

Cancun

STL

Lambert-St Louis

1 stop

12h 55m
$281

American Airlines

Pick Dates

Deal found 9/28/22

Oct 15 - Oct 19
STL

Lambert-St Louis

CUN

Cancun

1 stop

23h 04m
CUN

Cancun

STL

Lambert-St Louis

1 stop

11h 05m
$283

American Airlines

Pick Dates

Deal found 9/28/22

Non-stop flights to Mexico from St. Louis

Save time with St. Louis to Mexico direct flight deals
Dec 3 - Dec 7
STL

Lambert-St Louis

CUN

Cancun

Nonstop

3h 28m
CUN

Cancun

STL

Lambert-St Louis

Nonstop

3h 22m
$266

Multiple Airlines

Pick Dates

Deal found 9/26/22

Dec 3 - Dec 9
STL

Lambert-St Louis

CUN

Cancun

Nonstop

3h 28m
CUN

Cancun

STL

Lambert-St Louis

Nonstop

3h 22m
$269

Multiple Airlines

Pick Dates

Deal found 9/28/22

Dec 3 - Dec 7
STL

Lambert-St Louis

CUN

Cancun

Nonstop

3h 28m
CUN

Cancun

STL

Lambert-St Louis

Nonstop

3h 22m
$279

Multiple Airlines

Pick Dates

Deal found 9/28/22

Last minute flights from St. Louis to Mexico

Late deals on return flights to Mexico from St. Louis, departing today and this week
Oct 5 - Oct 13
STL

Lambert-St Louis

GDL

Guadalajara Miguel Hidal

1 stop

18h 24m
GDL

Guadalajara Miguel Hidal

STL

Lambert-St Louis

1 stop

16h 11m
$258

Frontier

Pick Dates

Deal found 9/26/22

Oct 4 - Oct 4
STL

Lambert-St Louis

CUN

Cancun

1 stop

8h 02m
CUN

Cancun

STL

Lambert-St Louis

1 stop

22h 27m
$260

Multiple Airlines

Pick Dates

Deal found 9/27/22

Oct 4 - Oct 27
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 11m
CUN

Cancun

STL

Lambert-St Louis

2 stops

17h 04m
$269

Multiple Airlines

Pick Dates

Deal found 9/27/22

One-way flights to Mexico from St. Louis

The cheapest one-way flights from St. Louis to Mexico
Oct 14
STL

Lambert-St Louis

SJD

San José del Cabo Los Cabos

1 stop

15h 23m
$102

Frontier

Pick Dates

Deal found 9/26/22

Oct 12
STL

Lambert-St Louis

GDL

Guadalajara Miguel Hidal

1 stop

18h 19m
$104

Frontier

Pick Dates

Deal found 9/28/22

Oct 18
STL

Lambert-St Louis

CUN

Cancun

1 stop

15h 51m
$110

Frontier

Pick Dates

Deal found 9/29/22

Related info for your journey

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

What airport do you fly from for flights from St. Louis to Mexico?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Mexico.

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

Some of our airline partners flying from Lambert-St Louis to Mexico have new flexible policies in place due to COVID-19. American Airlines, Spirit Airlines, and Frontier 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 for under $300 on Cheapflights?

Yes, there are multiple flights from St. Louis to Mexico for under $300. The cheapest flight booked recently is on Spirit Airlines for just $233, but on average you can expect to pay $251.

Are there nonstop flights from St. Louis to Mexico for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from St. Louis to Mexico under $300. A good price for a nonstop flight from St. Louis to Mexico is less than $296.

Are there last-minute flights available from St. Louis to Mexico for under $300?

There are currently 20+ open flights from St. Louis to Mexico within the next 7 days for less than $300.

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

Within the past month, 30 users have taken a look at flights from Lambert-St Louis to Mexico.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $102. Users have also found prices from $116 and $123 on Spirit Airlines and ANA, respectively.

What are the most popular routes from St. Louis to Mexico?

The most popular route from St. Louis to Mexico is Lambert-St Louis - Cancun. You may also consider Lambert-St Louis - San José del Cabo Los Cabos or Lambert-St Louis - Mexico City Benito Juarez.

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

The most popular airlines flying from St. Louis to Mexico are Undisclosed Carrier, American Airlines and Air Canada. Something to consider prior to booking your flight.

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

The cheapest flight price from St. Louis to Mexico is $240. On average you can expect to pay $652. The most popular route, (Lambert-St Louis - Cancun), can usually be booked for $235.

Top 10 airlines flying from St. Louis to Mexico

The chart below displays the airlines Cheapflights users traveling from St. Louis to Mexico choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$11Average$21FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
United AirlinesCheapest$104Average$583FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$119Average$494FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Spirit AirlinesCheapest$163Average$366FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$164Average$321FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
VolarisCheapest$172Average$338FlexibilityNo cancel feeOn-time79%COVID-19 safety
Search Volaris flights
American AirlinesCheapest$178Average$590FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
AeromexicoCheapest$231Average$533FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aeromexico flights
InterjetCheapest$241Average$278FlexibilityNo cancel feeOn-time68%COVID-19 safety
Search Interjet flights
Alaska AirlinesCheapest$425Average$480FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from St. Louis to Mexico

See what time of day planes typically take off from St. Louis to Mexico
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM