Cheap flights from St Louis (STL) to Mexico

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

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 21% on flights from St Louis to Mexico compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $281. For sooner than that we have options available in the next 3 days from $281.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Mexico. Flights to Mexico from St Louis in May are about $246 on average during May, but can be found for as low as $183.

Cheap flights from St Louis to Mexico in March, April 2021

19 Apr - 24 Apr
$197pp
STL
Lambert-St Louis
Frontier
 
1 STOP
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis
24 Apr - 28 Apr
$206pp
STL
Lambert-St Louis
Frontier
 
1 STOP
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis
30 Mar - 6 Apr
$207pp
STL
Lambert-St Louis
Frontier
 
1 STOP
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis

St Louis to Mexico 2021 flight deals

19 Apr - 24 Apr
$197pp
STL
Lambert-St Louis
Frontier
 
1 STOP
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis
9 Dec - 12 Dec
$205pp
STL
Lambert-St Louis
Frontier
Non-Stop
CUN
Cancún
CUN
Cancún
Frontier
Non-Stop
STL
Lambert-St Louis
24 Apr - 28 Apr
$206pp
STL
Lambert-St Louis
Frontier
 
1 STOP
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis

Non-stop flights to Mexico from St Louis

30 Mar - 5 Apr
$291pp
STL
Lambert-St Louis
Frontier
Non-Stop
CUN
Cancún
CUN
Cancún
Frontier
Non-Stop
STL
Lambert-St Louis
15 Jul - 22 Jul
$296pp
STL
Lambert-St Louis
Frontier
Non-Stop
CUN
Cancún
CUN
Cancún
Frontier
Non-Stop
STL
Lambert-St Louis
22 Aug - 27 Aug
$297pp
STL
Lambert-St Louis
Frontier
Non-Stop
CUN
Cancún
CUN
Cancún
Frontier
Non-Stop
STL
Lambert-St Louis

Last minute flights from St Louis to Mexico

14 Mar - 15 Mar
$256pp
STL
Lambert-St Louis
Frontier
 
1 STOP
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis
16 Mar - 16 Mar
$259pp
STL
Lambert-St Louis
Frontier
Non-Stop
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis
14 Mar - 16 Mar
$260pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
CUN
Cancún
CUN
Cancún
Frontier
 
1 STOP
STL
Lambert-St Louis

One-way flights to Mexico from St Louis

10:24 am - 5:33 am
United Airlines
2 Stops
19h 09m
STL - CUN
United Airlines
$125
United
3:05 am - 4:49 pm
Aeromexico
2 Stops
12h 44m
STL - CUN
Aeromexico
$143
CheapFlights
2:40 am - 5:50 am
Frontier
Nonstop
3h 10m
STL - CUN
Frontier
$158
FareScan

Related info for your journey

Flight FAQs

From St Louis to Mexico

Are flight prices decreasing from St Louis to Mexico due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Mexico for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Lambert-St Louis to Mexico to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from Lambert-St Louis to Mexico are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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, Frontier, and United 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 for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to Mexico for under $200. The cheapest flight booked recently is on Frontier for just $197, but on average you can expect to pay $226.

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 $313.

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.

What days are nonstop flights available from St Louis to Mexico?

Days when nonstop flights are available for this flight are: Wednesday, Thursday.

How popular is this flight route?

Flights from Lambert-St Louis to Mexico have been viewed 90 times in the past calendar month.

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

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

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

The most popular route from St Louis to Mexico is Lambert-St Louis - Cancún. You may also consider Lambert-St Louis - San José del Cabo Los Cabos or Lambert-St Louis - Puerto Vallarta Ordaz.

What are the cheapest Flights from St Louis to Mexico?

While on average a flight from St Louis to Mexico is generally $487, our data shows the cheapest flight currently is $149. When looking at the most popular route, (Lambert-St Louis - Cancún), you can expect to pay $225 for that flight.

What are the most reliable airlines from St Louis to Mexico?

Consider American Airlines (89%), Southwest (78%) or Frontier (74%) when booking your flight. These represent the most reliable airlines when flying from St Louis to Mexico.

How long is the flight from St Louis to Mexico?

There are many flights that can get you from St Louis to Mexico in 3h 21m. Fly via Frontier, American Airlines, or United Airlines to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from St Louis to Mexico round-trip?

Cheapflights users have booked flights from St Louis to Mexico round-trip from $197. Another airline that can offer you cheap pricing is Aeromexico.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $87. United Airlines flights start at $125 while deals on Delta start at $133 one-way.

Destination information for Mexico

Today's exchange rate
$1 = $21.22

Airports servicing St. Louis

Top 7 airlines flying from St Louis to Mexico

Airline Cheapest Average Flexibility On-time COVID-19 safety
Interjet
$241 $278 No cancel fee 68%
Volaris
$296 $352 No cancel fee 79%
Frontier
$167 $423 No cancel fee 62%
Delta
$112 $426 No cancel fee N/A
Aeromexico
$155 $496 No cancel fee N/A
United Airlines
$142 $575 No cancel fee 69%
American Airlines
$197 $589 No cancel fee 71%
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