HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mexico

$91+ Cheap flights from St. Louis (STL) to Mexico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Mexico with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Mexico

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Mexico (MX0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find flight deals from St. Louis to Mexico

Cheapest flights from St. Louis to Mexico
Explore the most affordable flight options available from St. Louis to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/124:26 pmSTL - CUN
2 stops15h 48mSpirit Airlines
dom. 12/1510:25 amCUN - STL
1 stop5h 56mSpirit Airlines
Deal found 11/19$380
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/194:27 pmSTL - CUN
1 stop17h 39mMultiple Airlines
mar. 12/242:22 pmCUN - STL
1 stop18h 51mMultiple Airlines
Deal found 11/20$384
This Frontier deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/37:40 amSTL - CUN
Nonstop3h 23mFrontier
mar. 12/1012:57 pmCUN - STL
Nonstop3h 15mFrontier
Deal found 11/19$388
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/63:34 pmSTL - MEX
1 stop7h 21mMultiple Airlines
mar. 12/109:00 amMEX - STL
1 stop23h 13mMultiple Airlines
Deal found 11/19$393
This Frontier deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/63:34 pmSTL - MEX
1 stop7h 21mFrontier
lun. 12/94:35 amMEX - STL
1 stop10h 37mFrontier
Deal found 11/18$460
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/177:20 amSTL - SJD
1 stop7h 09mAmerican Airlines
mar. 12/2410:20 amSJD - STL
1 stop8h 10mAmerican Airlines
Deal found 11/19$473
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/136:46 pmSTL - PVR
1 stop18h 56mMultiple Airlines
lun. 12/169:55 pmPVR - STL
2 stops22h 51mMultiple Airlines
Deal found 11/19$476
This Priceline deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/167:40 amSTL - GDL
1 stop28h 28mFrontier
vie. 12/209:10 amGDL - STL
1 stop28h 58mFrontier
Deal found 11/20$478
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/316:04 amSTL - PVR
1 stop7h 46mDelta
mié. 4/26:31 amPVR - STL
2 stops13h 18mDelta
Deal found 11/18$488
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/74:31 pmSTL - CUN
2 stops19h 23mUnited Airlines
mar. 12/108:39 amCUN - STL
2 stops15h 49mUnited Airlines
Deal found 11/19$497
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/226:29 amSTL - CUN
1 stop8h 41mDelta
jue. 12/265:35 pmCUN - STL
1 stop7h 05mDelta
Deal found 11/20$498
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/45:17 amSTL - PVR
1 stop6h 06mAmerican Airlines
lun. 12/93:50 pmPVR - STL
1 stop8h 04mAmerican Airlines
Deal found 11/19$517

Find flights from St. Louis to Mexico within your budget

Customize your flight search to find flights from St. Louis to Mexico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisGuadalajara

STL - GDL

STLGDL

Lambert-St Louis

sáb. 1/25

7:09 pm-1:21 pm

2 stops18h 12m

Guadalajara Miguel Hidal

dom. 2/9

10:15 am-7:31 pm

1 stop9h 16m

$372

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

sáb. 1/25

6:25 am-10:50 am

Nonstop3h 25m

Cancun

sáb. 2/1

12:34 pm-2:57 pm

Nonstop3h 23m

$374

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

mié. 1/8

6:25 am-10:51 am

Nonstop3h 26m

Cancun

sáb. 1/11

10:09 am-11:27 pm

1 stop14h 18m

$375

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

jue. 12/12

4:26 pm-9:14 am

2 stops15h 48m

Cancun

dom. 12/15

10:25 am-3:21 pm

1 stop5h 56m

$380

St. LouisPuerto Vallarta

STL - PVR

STLPVR

Lambert-St Louis

vie. 1/10

6:49 pm-11:21 am

1 stop16h 32m

Puerto Vallarta Ordaz

lun. 1/13

8:20 pm-2:34 pm

2 stops18h 14m

$382

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

vie. 12/6

3:34 pm-10:55 pm

1 stop7h 21m

Mexico City Benito Juarez

mar. 12/10

9:00 am-8:13 am

1 stop23h 13m

$391

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

mié. 1/15

2:00 pm-9:05 pm

1 stop6h 05m

Cancun

mié. 2/12

6:04 am-6:02 pm

2 stops12h 58m

$414

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

lun. 2/3

3:50 pm-9:40 pm

1 stop28h 50m

Cancun

sáb. 2/8

10:30 pm-3:06 pm

1 stop17h 36m

$421

St. LouisGuadalajara

STL - GDL

STLGDL

Lambert-St Louis

sáb. 1/25

6:25 am-8:19 pm

1 stop13h 54m

Guadalajara Miguel Hidal

sáb. 2/1

5:15 am-2:57 pm

1 stop9h 42m

$428

St. LouisMorelia

STL - MLM

STLMLM

Lambert-St Louis

mar. 2/25

1:00 pm-11:58 pm

2 stops34h 58m

Morelia

mar. 3/11

8:00 pm-8:50 am

2 stops35h 50m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from St. Louis to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Mexico

Get recent, data-driven insights about flights from St. Louis to Mexico including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Mexico?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Mexico (average of $389). Flying from St. Louis to Mexico in July is currently the most expensive (average of $500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to MX?

Find hourly flight availability from St. Louis to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

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.

Rainfall in Mexico by month

Plan your trip to Mexico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mexico ranges from 0.0 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Mexico when rainfall is around 0.0 in.

Temperature in Mexico by month

Plan your trip to Mexico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mexico, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated noviembre 20, 2024.
Read reviews from past customers who have flown Frontier, Air Canada and Aeromexico from St. Louis to Mexico. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Aeromexico
7.5
Good
2,004 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $91. Users have also found prices from $101 and $190 on Frontier and Aeromexico, 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 - Cozumel or Lambert-St Louis - San José del Cabo Los Cabos.

  • Can I find deals for flights from St. Louis to Mexico that include hotel bookings?

    Yes. In addition to deals on St. Louis to Mexico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Mexico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Mexico.

  • Can I find deals for business class flights from St. Louis to Mexico?

    Yes. Cheapflights offers flight deals from St. Louis to Mexico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Mexico?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Mexico (average of $389). Flying from St. Louis to Mexico in July is currently the most expensive (average of $500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Las Vegas flights
Kansas City to LaGuardia flights
Kansas City to Newark flights
St. Louis to Orlando flights
St. Louis to LaGuardia flights
Kansas City to Cancún flights
St. Louis to Denver flights
St. Louis to Dallas/Fort Worth flights
St. Louis to Sky Harbor Intl flights
Kansas City to John F Kennedy Intl flights
Kansas City to Las Vegas flights
St. Louis to Cancún flights
Kansas City to Los Angeles flights
Kansas City to Denver flights
Kansas City to Hobby flights
St. Louis to Newark flights
Kansas City to O'Hare Intl flights
Kansas City to Seattle flights
St. Louis to John F Kennedy Intl flights
St. Louis to Miami flights
Kansas City to Orlando flights
Kansas City to Sky Harbor Intl flights
St. Louis to Los Angeles flights
St. Louis to Seattle flights
Kansas City to Miami flights
Kansas City to George Bush Intcntl flights
St. Louis to Hobby flights
Kansas City to Dallas/Fort Worth flights
Kansas City to Atlanta flights
St. Louis to Salt Lake City flights
St. Louis to O'Hare Intl flights
Kansas City to Cozumel flights
Kansas City to Dulles Intl flights
St. Louis to Dulles Intl flights
St. Louis to Atlanta flights
Kansas City to Boston flights
St. Louis to George Bush Intcntl flights
Kansas City to Reagan-National flights
St. Louis to New Orleans flights
St. Louis to Boston flights
Kansas City to San Francisco flights
St. Louis to Reagan-National flights
St. Louis to Ontario flights
St. Louis to San Francisco flights
Kansas City to Salt Lake City flights
St. Louis to Cozumel flights
Kansas City to Fort Lauderdale flights
Kansas City to Tampa flights
Kansas City to Minneapolis flights
St. Louis to Philadelphia flights

Top 9 airlines flying from St. Louis to Mexico

Discover the top 9 airlines that operate flights from St. Louis to Mexico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$266FlexibilityNo cancel feeOn-time65%
VolarisCheapest$225Average$443FlexibilityNo cancel feeOn-time79%
FrontierCheapest$284Average$552FlexibilityNo cancel feeOn-time62%
DeltaCheapest$342Average$547FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$382Average$513FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$385Average$492FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$387Average$606FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$407Average$589FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$483Average$769FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines