Cheap flights from St. Louis (STL) to Mexico from $139

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — MEX
May 21 — May 281

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

Find a great deal and save up to 13% by booking at least 53 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 $532.

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

January can be a great time to fly to Mexico from St. Louis with a flight ticket averaging about $640. Cheapflights users have found deals in the month of January for as cheap as $494. The most expensive prices can be found in the month of December.

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 Aeromexico flights from St. Louis to Mexico

Explore cheap flight options specifically provided by Aeromexico for the route between St. Louis and Mexico. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the lowest-priced Aeromexico flights heading from St. Louis to Mexico. Come back soon if you're not finding the exact deal you're looking for.
Tue 5/283:27 pmSTL - CUN
2 stops18h 05mAeromexico
Tue 6/49:44 pmCUN - STL
2 stops16h 38mAeromexico
Deal found 5/14$470
Tue 10/111:51 amSTL - SJD
2 stops12h 00mAeromexico
Wed 10/26:01 amSJD - STL
2 stops15h 34mAeromexico
Deal found 5/14$510
Wed 5/226:00 amSTL - CUN
2 stops18h 28mAeromexico
Wed 5/298:20 amCUN - STL
2 stops13h 14mAeromexico
Deal found 5/15$514
Thu 8/86:00 amSTL - MEX
2 stops11h 15mAeromexico
Mon 8/1211:05 pmMEX - STL
2 stops15h 52mAeromexico
Deal found 5/15$515
Thu 8/296:00 amSTL - MID
1 stop5h 45mAeromexico
Mon 9/95:50 amMID - STL
2 stops16h 45mAeromexico
Deal found 5/15$520

Cheap Frontier flights from St. Louis to Mexico

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Mexico. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a gander at the lowest prices we've found on Frontier flights from St. Louis to Mexico. Deals are refreshing constantly so come back soon for more options.
Mon 5/275:57 pmSTL - CUN
1 stop16h 27mFrontier
Fri 5/3111:39 amCUN - STL
1 stop20h 18mFrontier
Deal found 5/15$319
Sat 9/288:00 pmSTL - PVR
1 stop14h 56mFrontier
Thu 10/311:11 amPVR - STL
1 stop21h 26mFrontier
Deal found 5/15$392
Sat 9/711:41 pmSTL - GDL
2 stops18h 03mFrontier
Wed 9/119:12 amGDL - STL
1 stop10h 24mFrontier
Deal found 5/14$425
Tue 6/47:23 pmSTL - GDL
2 stops29h 16mFrontier
Tue 6/1811:29 amGDL - STL
1 stop22h 13mFrontier
Deal found 5/15$430
Tue 6/47:23 pmSTL - GDL
2 stops29h 16mFrontier
Tue 6/1811:29 amGDL - STL
1 stop22h 13mFrontier
Deal found 5/15$431
Sun 7/289:48 amSTL - CUN
Nonstop3h 21mFrontier
Fri 8/211:47 amCUN - STL
1 stop8h 55mFrontier
Deal found 5/15$458
Sun 5/2611:22 pmSTL - MEX
2 stops15h 18mFrontier
Tue 6/411:05 amMEX - STL
1 stop19h 17mFrontier
Deal found 5/15$479
Sun 5/1911:28 amSTL - CUN
Nonstop3h 19mFrontier
Fri 5/241:31 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$486
Mon 5/2711:28 amSTL - CUN
Nonstop3h 19mFrontier
Thu 5/302:14 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$491

Cheap St. Louis to Mexico flights in May & June 2024

Find cheap flight options from St. Louis to Mexico specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the best deals we've found on flights to Mexico in 2024 at this time. Check back soon for alternative fares.
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/15$289
Wed 5/298:47 amSTL - CUN
1 stop25h 37mMultiple Airlines
Mon 7/19:10 amCUN - STL
1 stop25h 47mMultiple Airlines
Deal found 5/15$302
Mon 5/275:57 pmSTL - CUN
1 stop16h 27mFrontier
Fri 5/3111:39 amCUN - STL
1 stop20h 18mFrontier
Deal found 5/15$319
Sun 5/197:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/2412:15 pmCUN - STL
1 stop28h 10mSpirit Airlines
Deal found 5/16$321
Sun 5/267:30 pmSTL - CUN
2 stops21h 44mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/15$340
Thu 5/307:30 pmSTL - CUN
1 stop12h 55mMultiple Airlines
Wed 6/511:59 amCUN - STL
1 stop9h 47mMultiple Airlines
Deal found 5/16$341
Sun 6/166:55 pmSTL - CUN
1 stop13h 28mSpirit Airlines
Fri 6/219:10 amCUN - STL
1 stop25h 24mSpirit Airlines
Deal found 5/14$360
Sun 5/197:30 pmSTL - CUN
1 stop12h 55mMultiple Airlines
Fri 5/2411:39 amCUN - STL
1 stop20h 18mMultiple Airlines
Deal found 5/15$367
Mon 5/275:57 pmSTL - CUN
1 stop16h 27mMultiple Airlines
Sun 6/29:10 amCUN - STL
1 stop9h 30mMultiple Airlines
Deal found 5/14$368

St. Louis to Mexico 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Mexico in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the best deals we've found on flights to Mexico in 2024 at this time. Check back soon for alternative fares.
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/15$289
Wed 5/298:47 amSTL - CUN
1 stop25h 37mMultiple Airlines
Mon 7/19:10 amCUN - STL
1 stop25h 47mMultiple Airlines
Deal found 5/15$302
Thu 8/227:48 pmSTL - CUN
1 stop12h 37mSpirit Airlines
Sun 8/259:10 amCUN - STL
1 stop9h 19mSpirit Airlines
Deal found 5/15$313
Mon 5/275:57 pmSTL - CUN
1 stop16h 27mFrontier
Fri 5/3111:39 amCUN - STL
1 stop20h 18mFrontier
Deal found 5/15$319
Sun 5/197:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/2412:15 pmCUN - STL
1 stop28h 10mSpirit Airlines
Deal found 5/16$321
Sat 7/66:22 pmSTL - CUN
1 stop17h 10mSpirit Airlines
Fri 7/129:10 amCUN - STL
1 stop25h 24mSpirit Airlines
Deal found 5/15$335
Sun 5/267:30 pmSTL - CUN
2 stops21h 44mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/15$340
Thu 5/307:30 pmSTL - CUN
1 stop12h 55mMultiple Airlines
Wed 6/511:59 amCUN - STL
1 stop9h 47mMultiple Airlines
Deal found 5/16$341
Thu 8/227:48 pmSTL - CUN
1 stop12h 37mMultiple Airlines
Sun 8/252:20 pmCUN - STL
Nonstop3h 24mMultiple Airlines
Deal found 5/15$351

Non-stop flights to Mexico from St. Louis

Discover non-stop flight options from St. Louis to Mexico. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider booking one of these non-stop flights heading from St. Louis to Mexico. Select from other flights from St. Louis to Mexico by using the search form above.
Mon 11/411:33 amSTL - CUN
Nonstop3h 23mFrontier
Sat 11/93:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/14$439
Wed 10/1611:33 amSTL - CUN
Nonstop3h 23mFrontier
Sat 11/163:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/14$444
Fri 9/2011:33 amSTL - CUN
Nonstop3h 23mFrontier
Sat 9/212:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$471
Wed 9/1811:33 amSTL - CUN
Nonstop3h 23mFrontier
Wed 9/252:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$474
Sat 9/711:33 amSTL - CUN
Nonstop3h 23mFrontier
Sat 9/142:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$476
Wed 8/2111:33 amSTL - CUN
Nonstop3h 23mMultiple Airlines
Sat 8/242:20 pmCUN - STL
Nonstop3h 24mMultiple Airlines
Deal found 5/15$480
Sat 8/109:48 amSTL - CUN
Nonstop3h 21mFrontier
Sat 8/172:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$481
Fri 5/3111:28 amSTL - CUN
Nonstop3h 19mMultiple Airlines
Tue 6/42:15 pmCUN - STL
Nonstop3h 23mMultiple Airlines
Deal found 5/15$485
Wed 8/2811:33 amSTL - CUN
Nonstop3h 23mFrontier
Sun 9/12:20 pmCUN - STL
Nonstop3h 24mFrontier
Deal found 5/15$486

St. Louis to Mexico flights leaving soon

Find last-minute flight options from St. Louis to Mexico for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out these flights departing soon from St. Louis to Mexico. To prevent any unwanted surprises, users should verify their flight info before booking.
Sun 5/267:30 pmSTL - CUN
1 stop12h 55mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/15$289
Sat 5/258:57 amSTL - CUN
1 stop25h 27mMultiple Airlines
Thu 5/309:10 amCUN - STL
1 stop9h 30mMultiple Airlines
Deal found 5/16$292
Sun 5/267:30 pmSTL - CUN
2 stops21h 44mSpirit Airlines
Fri 5/316:05 pmCUN - STL
1 stop22h 20mSpirit Airlines
Deal found 5/15$340
Sat 5/255:56 pmSTL - CUN
2 stops23h 18mMultiple Airlines
Thu 5/309:10 amCUN - STL
1 stop9h 30mMultiple Airlines
Deal found 5/16$359
Sat 5/2511:39 amSTL - CUN
1 stop20h 46mSpirit Airlines
Mon 6/312:15 pmCUN - STL
1 stop21h 24mSpirit Airlines
Deal found 5/15$373
Sat 5/2511:39 amSTL - CUN
1 stop20h 46mSpirit Airlines
Mon 6/36:05 pmCUN - STL
1 stop15h 34mSpirit Airlines
Deal found 5/16$394
Sat 5/2511:39 amSTL - CUN
2 stops29h 35mSpirit Airlines
Mon 6/312:15 pmCUN - STL
1 stop21h 24mSpirit Airlines
Deal found 5/15$418
Sat 5/2511:39 amSTL - CUN
2 stops29h 35mSpirit Airlines
Mon 6/36:05 pmCUN - STL
1 stop15h 34mSpirit Airlines
Deal found 5/16$421
Sat 5/259:45 amSTL - CUN
3 stops31h 29mMultiple Airlines
Thu 5/309:10 amCUN - STL
1 stop9h 30mMultiple Airlines
Deal found 5/16$422

One-way flights to Mexico from St. Louis

Search for one-way flight options from St. Louis to Mexico. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users traveling one-way from St. Louis to Mexico can select one of these great deals. Users can also find round-trip St. Louis to Mexico flights by using the search form above.
Tue 7/910:32 pmSTL - CUN
1 stop14h 28mFrontier
Deal found 5/14$139
Tue 6/1111:57 amSTL - CUN
1 stop20h 26mSpirit Airlines
Deal found 5/15$172
Tue 9/178:00 amSTL - GDL
2 stops16h 39mMultiple Airlines
Deal found 5/15$176
Tue 7/93:23 pmSTL - CUN
2 stops17h 00mSpirit Airlines
Deal found 5/14$182
Mon 8/197:29 pmSTL - GDL
1 stop25h 18mMultiple Airlines
Deal found 5/15$185
Mon 9/27:29 pmSTL - GDL
1 stop25h 18mMultiple Airlines
Deal found 5/14$187
Mon 7/17:29 pmSTL - CUN
1 stop12h 54mMultiple Airlines
Deal found 5/16$188
Sun 6/306:06 amSTL - CUN
1 stop6h 54mDelta
Deal found 5/16$190
Sat 8/178:00 amSTL - GDL
1 stop12h 47mMultiple Airlines
Deal found 5/15$192

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$289 - $502

Route

Depart

Return

Price

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 5/26

1 stop12h 55m

Cancun

Fri 5/31

1 stop22h 20m

$289

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Wed 5/29

1 stop25h 37m

Cancun

Mon 7/1

1 stop25h 47m

$302

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Mon 5/27

1 stop16h 27m

Cancun

Fri 5/31

1 stop20h 18m

$319

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 5/19

1 stop12h 55m

Cancun

Fri 5/24

1 stop28h 10m

$321

Lambert-St LouisPuerto Vallarta Ordaz

STL - PVR

STLPVR

Lambert-St Louis

Fri 8/23

1 stop6h 48m

Puerto Vallarta Ordaz

Fri 8/30

2 stops11h 50m

$376

Lambert-St LouisSan José del Cabo Los Cabos

STL - SJD

STLSJD

Lambert-St Louis

Tue 7/9

1 stop10h 03m

San José del Cabo Los Cabos

Tue 7/16

1 stop15h 15m

$376

Lambert-St LouisSan José del Cabo Los Cabos

STL - SJD

STLSJD

Lambert-St Louis

Sat 8/3

1 stop28h 28m

San José del Cabo Los Cabos

Fri 8/9

1 stop8h 50m

$443

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Tue 5/28

2 stops18h 05m

Cancun

Tue 6/4

2 stops16h 38m

$470

Lambert-St LouisCancun

STL - CUN

STLCUN

Lambert-St Louis

Sun 7/7

Nonstop3h 23m

Cancun

Tue 7/16

Nonstop3h 24m

$502

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

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 May 16, 2024.
Read reviews from past customers who have flown Aeromexico, Frontier and Delta 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.
8.0
Very good
10,673 reviews

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,673 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
2,528 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,924 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,514 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.0
Good
6,947 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • 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 $289, but on average you can expect to pay $355.

  • Are there nonstop flights from St. Louis to Mexico for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Mexico under $500. A good price for a nonstop flight from St. Louis to Mexico is less than $485.

  • 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 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 $139. Users have also found prices from $172 and $190 on Spirit Airlines and Delta, respectively.

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

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

  • What does STL to MEX mean?

    Great question - STL to MEX just means Lambert-St Louis Airport to Mexico City Benito Juarez Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Cancun Airport (CUN), Guadalajara Miguel Hidal Airport (GDL), Puerto Vallarta Ordaz Airport (PVR), San José del Cabo Los Cabos Airport (SJD), Tijuana Rodriguez Airport (TIJ).

  • Can I find deals for flights from St. Louis to Mexico that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Mexico flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Mexico with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Mexico flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Mexico that allow pets onboard?

    Many airlines flying from St. Louis to Mexico offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Mexico?

    Yes, you can often find last-minute deals on St. Louis to Mexico flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Mexico flight deals updated?

    The St. Louis to Mexico flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for St. Louis to Mexico
See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from St. Louis to Mexico

Discover the top 7 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$135Average$271FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
VolarisCheapest$195Average$469FlexibilityNo cancel feeOn-time79%
Search Volaris flights
FrontierCheapest$227Average$477FlexibilityNo cancel feeOn-time62%
Search Frontier flights
AeromexicoCheapest$361Average$655FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
DeltaCheapest$384Average$578FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$388Average$589FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$402Average$626FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from St. Louis to Mexico by cabin class

Find flights from St. Louis to Mexico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from St. Louis to Mexico

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 May 16, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Mexico?

Deals for St. Louis to Mexico flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Mexico?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Mexico.

Can Cheapflights find flights from St. Louis to Mexico with no change fees?

Yes, we can. To see specific flights from St. Louis to Mexico with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Mexico become cheaper?

Of course! You can now track prices for flights from St. Louis to Mexico and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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