Mexico

$106+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUN
Feb 18 — Feb 251
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Cheap flight deals from St. Louis to Mexico

Keep the following information in mind while searching for St. Louis to Mexico flight deals. Data was last updated February 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(CheapOair)

One-way from

$106
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$567

Good round-trip deal

$382 or less

Good one-way deal

$234 or less
Provider with most accurate pricing for Lambert-St Louis-Mexico City Benito Juarez flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Mexico City Benito Juarez flights.
From Lambert-St Louis to Mexico
One-way flight from Lambert-St Louis to Mexico
Highest demand for flights based on searches. 6% potential increase in price ($41 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Lambert-St Louis to Mexico.
Price to beat on a one-way flight from Lambert-St Louis to Mexico.

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 February 13, 2025.

This CheapOair deal was found by Cheapflights users on 2/12. 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.
Thu 5/87:37 pmSTL - CUN
1 stop15h 56mMultiple Airlines
Mon 5/1212:39 pmCUN - STL
Nonstop3h 23mMultiple Airlines
Deal found 2/12$275
This Gotogate deal was found by Cheapflights users on 2/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:53 pmSTL - CUN
1 stop19h 17mFrontier
Thu 5/83:15 pmCUN - STL
1 stop17h 54mFrontier
Deal found 2/12$336
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Wed 3/265:24 pmSTL - MEX
1 stop27h 21mMultiple Airlines
Wed 4/211:05 amMEX - STL
1 stop11h 41mMultiple Airlines
Deal found 2/11$344
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:00 amSTL - CUN
Nonstop3h 28mVolaris
Tue 4/1511:46 amCUN - STL
Nonstop3h 26mVolaris
Deal found 2/11$359
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Sun 2/1611:08 pmSTL - GDL
1 stop19h 17mMultiple Airlines
Thu 2/275:00 amGDL - STL
2 stops41h 08mMultiple Airlines
Deal found 2/13$385
This Mytrip deal was found by Cheapflights users on 2/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/306:47 pmSTL - CUN
3 stops37h 26mSpirit Airlines
Wed 4/29:08 amCUN - STL
2 stops32h 44mSpirit Airlines
Deal found 2/13$387
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Mon 3/311:08 pmSTL - SJD
2 stops18h 17mMultiple Airlines
Mon 3/102:20 pmSJD - STL
2 stops22h 23mMultiple Airlines
Deal found 2/12$431
This Air Canada deal was found by Cheapflights users on 2/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:30 pmSTL - MEX
1 stop10h 25mAir Canada
Mon 5/267:10 amMEX - STL
1 stop11h 51mAir Canada
Deal found 2/12$439
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Wed 4/166:30 amSTL - CUN
2 stops12h 50mUnited Airlines
Wed 4/233:01 pmCUN - STL
1 stop7h 08mUnited Airlines
Deal found 2/13$446
This Delta deal was found by Cheapflights users on 2/13. 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.
Wed 3/1910:19 amSTL - CUN
1 stop9h 41mDelta
Wed 3/268:10 amCUN - STL
2 stops13h 30mDelta
Deal found 2/13$451
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Fri 3/77:09 pmSTL - PVR
1 stop15h 25mMultiple Airlines
Tue 3/113:55 pmPVR - STL
2 stops30h 54mMultiple Airlines
Deal found 2/12$456
This Frontier deal was found by Cheapflights users on 2/12. 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.
Sat 4/56:00 amSTL - MEX
1 stop12h 15mFrontier
Tue 4/812:40 amMEX - STL
2 stops22h 06mFrontier
Deal found 2/12$468

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 2,558,603 searches. Data last updated February 13, 2025.

Fly from

St. Louis

Fly to

Mexico

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 5/8

7:37 pm-11:33 am

1 stop15h 56m

Cancun

Mon 5/12

12:39 pm-4:02 pm

Nonstop3h 23m

$275

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 5/3

6:53 pm-2:10 pm

1 stop19h 17m

Cancun

Thu 5/8

3:15 pm-9:09 am

1 stop17h 54m

$336

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Wed 3/26

5:24 pm-7:45 pm

1 stop27h 21m

Mexico City Benito Juarez

Wed 4/2

11:05 am-11:46 pm

1 stop11h 41m

$344

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 4/10

6:00 am-9:28 am

Nonstop3h 28m

Cancun

Tue 4/15

11:46 am-3:12 pm

Nonstop3h 26m

$359

St. LouisGuadalajara

STL - GDL

STLGDL

Lambert-St Louis

Sun 2/16

11:08 pm-6:25 pm

1 stop19h 17m

Guadalajara Miguel Hidal

Thu 2/27

5:00 am-10:08 pm

2 stops41h 08m

$385

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 3/30

6:47 pm-8:13 am

3 stops37h 26m

Cancun

Wed 4/2

9:08 am-5:52 pm

2 stops32h 44m

$387

St. LouisSan José del Cabo

STL - SJD

STLSJD

Lambert-St Louis

Mon 3/3

11:08 pm-4:25 pm

2 stops18h 17m

San José del Cabo Los Cabos

Mon 3/10

2:20 pm-2:43 pm

2 stops22h 23m

$431

St. LouisMexico City

STL - MEX

STLMEX

Lambert-St Louis

Fri 5/23

1:30 pm-10:55 pm

1 stop10h 25m

Mexico City Benito Juarez

Mon 5/26

7:10 am-8:01 pm

1 stop11h 51m

$439

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 4/16

6:30 am-7:20 pm

2 stops12h 50m

Cancun

Wed 4/23

3:01 pm-10:09 pm

1 stop7h 08m

$446