$148+ Cheap flights from Missouri 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEX
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Missouri to MexicoExplore the most affordable flight options available from Missouri to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Missouri to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 8/171:45 pm
MCI
- CUN
1 stop22h 23m
Frontier
Fri 8/213:35 pm
CUN
- MCI
1 stop21h 25m
Frontier
Deal found 5/3![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/255:27 pm
STL
- CUN
2 stops39h 42m
Frontier
Tue 6/23:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/3![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 5/235:27 pm
STL
- CUN
2 stops39h 42m
Frontier
Tue 6/23:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/3![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 8/153:34 pm
STL
- CUN
1 stop18h 18m
Frontier
Tue 8/253:35 pm
CUN
- STL
1 stop27h 48m
Frontier
Deal found 5/3![Frontier logo]()
$354
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Sun 5/248:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Thu 5/283:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/1![Frontier logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Tue 8/111:45 pm
MCI
- CUN
1 stop23h 04m
Frontier
Thu 8/133:35 pm
CUN
- MCI
1 stop21h 20m
Frontier
Deal found 5/3![Frontier logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 8/138:08 pm
STL
- CUN
1 stop16h 41m
Frontier
Tue 8/253:35 pm
CUN
- STL
1 stop27h 48m
Frontier
Deal found 5/3![Frontier logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Thu 8/201:45 pm
MCI
- CUN
1 stop22h 23m
Frontier
Tue 8/253:35 pm
CUN
- MCI
1 stop21h 25m
Frontier
Deal found 5/2![Frontier logo]()
$364
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:34 pm
STL
- MEX
1 stop8h 11m
Frontier
Tue 7/218:40 am
MEX
- STL
1 stop9h 43m
Frontier
Deal found 5/4![Frontier logo]()
$366
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Wed 6/103:35 pm
CUN
- STL
1 stop27h 18m
Frontier
Deal found 5/3![Frontier logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 8/173:34 pm
STL
- CUN
1 stop18h 17m
Frontier
Tue 8/253:35 pm
CUN
- STL
1 stop27h 48m
Frontier
Deal found 5/3![Frontier logo]()
$373
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:45 pm
MCI
- CUN
1 stop23h 04m
Frontier
Wed 7/223:35 pm
CUN
- MCI
1 stop21h 20m
Frontier
Deal found 5/5![Frontier logo]()
$373
Best flights from Missouri to MexicoDiscover carefully curated flight deals from Missouri to Mexico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Missouri to Mexico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/151:45 pm
MCI
- MEX
2 stops41h 55m
Multiple Airlines
Mon 6/228:40 am
MEX
- MCI
1 stop27h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 5/5. 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.
Tue 8/187:00 am
STL
- CUN
1 stop6h 00m
Delta
Tue 8/2512:29 pm
CUN
- STL
2 stops11h 29m
Delta
Deal found 5/5![Delta logo]()
$488
This Priceline deal was found by Cheapflights users on 5/1. 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.
Tue 6/28:08 pm
STL
- MEX
2 stops27h 07m
Frontier
Tue 6/97:10 am
MEX
- STL
2 stops35h 13m
Frontier
Deal found 5/1![Frontier logo]()
$494
This Volaris deal was found by Cheapflights users on 5/6. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:34 pm
STL
- MEX
1 stop8h 11m
Volaris
Tue 8/118:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Deal found 5/6![Volaris logo]()
$523
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 6/912:46 pm
SGF
- CUN
1 stop7h 14m
American Airlines
Tue 6/1610:31 am
CUN
- SGF
1 stop7h 11m
American Airlines
Deal found 5/1![American Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:20 am
MCI
- CUN
1 stop5h 50m
Southwest
Sat 10/32:20 pm
CUN
- MCI
Nonstop3h 25m
Southwest
Deal found 5/5![Southwest logo]()
$536
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 9/176:00 am
MCI
- CUN
1 stop8h 40m
United Airlines
Tue 9/222:49 pm
CUN
- MCI
1 stop7h 44m
United Airlines
Deal found 5/2![United Airlines logo]()
$564
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 6/27:00 am
STL
- SJD
1 stop7h 04m
Delta
Tue 6/912:30 pm
SJD
- STL
1 stop9h 26m
Delta
Deal found 5/6![Delta logo]()
$499
This Volaris deal was found by Cheapflights users on 5/4. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:34 pm
STL
- MEX
1 stop8h 11m
Volaris
Wed 8/58:45 pm
MEX
- STL
1 stop16h 38m
Volaris
Deal found 5/4![Volaris logo]()
$523
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am
MCI
- CUN
Nonstop3h 10m
Southwest
Sat 10/32:20 pm
CUN
- MCI
Nonstop3h 25m
Southwest
Deal found 5/5![Southwest logo]()
$550
This Delta deal was found by Cheapflights users on 5/5. 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.
Mon 6/17:05 am
STL
- CUN
1 stop13h 11m
Delta
Fri 6/59:18 am
CUN
- STL
2 stops12h 20m
Delta
Deal found 5/5![Delta logo]()
$520
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/237:30 am
STL
- CUN
1 stop6h 56m
United Airlines
Mon 9/281:43 pm
CUN
- STL
1 stop8h 47m
United Airlines
Deal found 5/5![United Airlines logo]()
$573
This American Airlines deal was found by Cheapflights users on 5/3. 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.
Wed 5/275:01 am
SGF
- CUN
1 stop14h 59m
American Airlines
Tue 6/27:51 am
CUN
- SGF
1 stop10h 16m
American Airlines
Deal found 5/3![American Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 5/4. 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 5/277:05 am
STL
- CUN
1 stop13h 11m
Delta
Tue 6/27:03 am
CUN
- STL
2 stops14h 35m
Delta
Deal found 5/4![Delta logo]()
$520
This Volaris deal was found by Cheapflights users on 5/5. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:30 am
STL
- MEX
1 stop11h 10m
Volaris
Fri 6/268:40 am
MEX
- STL
1 stop9h 13m
Volaris
Deal found 5/5![Volaris logo]()
$583
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:40 am
STL
- CUN
2 stops8h 15m
Southwest
Fri 7/3111:40 am
CUN
- STL
2 stops9h 10m
Southwest
Deal found 5/3![Southwest logo]()
$588
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 10/108:05 pm
STL
- SJD
1 stop18h 20m
American Airlines
Sat 10/174:16 pm
SJD
- STL
1 stop15h 11m
American Airlines
Deal found 5/6![American Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 9/176:14 am
STL
- CUN
1 stop5h 48m
United Airlines
Tue 9/221:43 pm
CUN
- STL
1 stop8h 33m
United Airlines
Deal found 5/2![United Airlines logo]()
$593
This Volaris deal was found by Cheapflights users on 5/6. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:30 am
STL
- MEX
1 stop11h 10m
Volaris
Sun 6/288:40 am
MEX
- STL
1 stop9h 13m
Volaris
Deal found 5/6![Volaris logo]()
$593
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 6/136:00 am
MCI
- CUN
1 stop6h 58m
United Airlines
Sat 6/203:38 pm
CUN
- MCI
1 stop7h 35m
United Airlines
Deal found 5/1![United Airlines logo]()
$594
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:00 am
MCI
- CUN
1 stop8h 15m
Southwest
Sat 7/259:50 am
CUN
- MCI
Nonstop3h 15m
Southwest
Deal found 5/1![Southwest logo]()
$606
This Delta deal was found by Cheapflights users on 5/2. 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 7/15:38 am
MCI
- PVR
1 stop7h 54m
Delta
Wed 7/156:01 am
PVR
- MCI
2 stops12h 15m
Delta
Deal found 5/2![Delta logo]()
$563
This Volaris deal was found by Cheapflights users on 5/1. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/136:30 am
STL
- MEX
1 stop11h 10m
Volaris
Sun 6/148:40 am
MEX
- STL
1 stop9h 13m
Volaris
Deal found 5/1![Volaris logo]()
$608
This Southwest deal was found by Cheapflights users on 5/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 am
MCI
- CUN
1 stop5h 25m
Southwest
Fri 10/2311:00 am
CUN
- MCI
2 stops9h 05m
Southwest
Deal found 5/4![Southwest logo]()
$613
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 9/248:00 am
MCI
- CUN
1 stop12h 15m
Delta
Mon 9/288:00 am
CUN
- MCI
1 stop6h 33m
Delta
Deal found 5/5![Delta logo]()
$564
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 6/61:38 pm
STL
- SJD
2 stops21h 14m
United Airlines
Thu 6/111:44 pm
SJD
- STL
2 stops20h 27m
United Airlines
Deal found 5/1![United Airlines logo]()
$624
This Volaris deal was found by Cheapflights users on 5/3. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:10 am
STL
- MEX
1 stop11h 30m
Volaris
Tue 11/311:55 am
MEX
- STL
1 stop10h 44m
Volaris
Deal found 5/3![Volaris logo]()
$609
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:15 am
MCI
- PVR
1 stop8h 50m
Southwest
Wed 7/1511:30 am
PVR
- MCI
2 stops9h 30m
Southwest
Deal found 5/1![Southwest logo]()
$621
This Delta deal was found by Cheapflights users on 5/1. 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 5/2712:07 pm
SGF
- CUN
1 stop8h 09m
Delta
Tue 6/29:18 am
CUN
- SGF
2 stops13h 01m
Delta
Deal found 5/1![Delta logo]()
$568
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Mon 7/206:16 am
MCI
- SJD
1 stop6h 14m
United Airlines
Thu 7/231:17 pm
SJD
- MCI
1 stop8h 08m
United Airlines
Deal found 5/5![United Airlines logo]()
$633
Last-minute flights from Missouri to MexicoDiscover last-minute flight deals from Missouri to Mexico. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Mexico. Data last updated May 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/154:19 pm
STL
- CUN
1 stop23h 38m
Multiple Airlines
Fri 5/225:35 pm
CUN
- STL
1 stop25h 56m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 5/235:27 pm
STL
- CUN
2 stops39h 42m
Frontier
Tue 6/23:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/3![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 5/235:27 pm
STL
- CUN
2 stops39h 42m
Frontier
Wed 6/33:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/2![Frontier logo]()
$392
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Sun 5/248:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Thu 5/283:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/1![Frontier logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/248:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Tue 6/23:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/3![Frontier logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/248:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Tue 5/2610:19 am
CUN
- STL
2 stops22h 36m
Frontier
Deal found 5/4![Frontier logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/255:27 pm
STL
- CUN
2 stops39h 42m
Frontier
Tue 6/23:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/3![Frontier logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/255:27 pm
STL
- CUN
2 stops39h 42m
Frontier
Wed 6/33:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/3![Frontier logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Tue 5/268:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Tue 6/23:39 pm
CUN
- STL
1 stop27h 44m
Frontier
Deal found 5/2![Frontier logo]()
$388
This Priceline deal was found by Cheapflights users on 5/5. 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.
Tue 6/26:51 pm
STL
- MEX
1 stop27h 54m
Frontier
Tue 6/97:00 am
MEX
- STL
1 stop10h 34m
Frontier
Deal found 5/5![Frontier logo]()
$385
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:08 pm
STL
- CUN
1 stop15h 56m
Frontier
Wed 6/103:35 pm
CUN
- STL
1 stop27h 18m
Frontier
Deal found 5/3![Frontier logo]()
$368
This Priceline deal was found by Cheapflights users on 5/5. 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.
Sat 6/137:38 pm
STL
- MEX
1 stop22h 52m
Frontier
Sat 6/208:45 pm
MEX
- STL
1 stop16h 52m
Frontier
Deal found 5/5![Frontier logo]()
$380
One-way flights from Missouri to MexicoSearch for one-way flight options from Missouri to Mexico. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Missouri to Mexico. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Priceline deal was found by Cheapflights users on 5/1. 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.
Sun 5/176:55 pm
STL
- CUN
1 stop19h 12m
Frontier
Deal found 5/1![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/291:45 pm
MCI
- CUN
1 stop23h 03m
Frontier
Deal found 5/2![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 8/158:08 pm
STL
- CUN
1 stop16h 41m
Frontier
Deal found 5/2![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/278:08 pm
STL
- MEX
1 stop22h 22m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/295:06 pm
STL
- CUN
2 stops21h 19m
Frontier
Deal found 5/6![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/301:45 pm
MCI
- CUN
1 stop23h 03m
Frontier
Deal found 5/1![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:08 pm
STL
- CUN
1 stop16h 41m
Frontier
Deal found 5/2![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/16:24 pm
MCI
- CUN
3 stops39h 39m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/15:27 pm
STL
- CUN
3 stops40h 36m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$177
This Travelocity deal was found by Cheapflights users on 5/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:16 pm
STL
- CUN
1 stop13h 39m
Frontier
Deal found 5/3![Frontier logo]()
$180
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:08 pm
STL
- CUN
1 stop16h 00m
Frontier
Deal found 5/4![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/156:16 pm
MCI
- MEX
2 stops28h 59m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$182
Find flight deals from Missouri to Mexico
Keep the following information in mind while searching for Missouri to Mexico flight deals. Data was last updated May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (Kiwi.com) |
One-way from | $148 (Priceline) |
Popular in | December |
Cheapest in | September |
Average price | $597 |
Good round-trip deal | $462 or less |
Good one-way deal | $243 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 May 6, 2026.
Use the filters below to find and compare flights from Missouri to Mexico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityMexico City
MCI - MEX
MCIMEX
Kansas City
Mon 6/15
1:45 pm-6:40 am
2 stops41h 55m
Mexico City Benito Juarez
Mon 6/22
8:40 am-1:00 pm
1 stop27h 20m
$482
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Tue 8/18
7:00 am-1:00 pm
1 stop6h 00m
Cancun
Tue 8/25
12:29 pm-11:58 pm
2 stops11h 29m
$488
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Tue 6/2
8:08 pm-10:15 pm
2 stops27h 07m
Mexico City Benito Juarez
Tue 6/9
7:10 am-7:23 pm
2 stops35h 13m
$494
St. LouisSan José del Cabo
STL - SJD
STLSJD
Lambert-St Louis
Tue 6/2
7:00 am-12:04 pm
1 stop7h 04m
San José del Cabo Los Cabos
Tue 6/9
12:30 pm-11:56 pm
1 stop9h 26m
$499
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Mon 6/1
7:05 am-8:16 pm
1 stop13h 11m
Cancun
Fri 6/5
9:18 am-9:38 pm
2 stops12h 20m
$520
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 5/27
7:05 am-8:16 pm
1 stop13h 11m
Cancun
Tue 6/2
7:03 am-9:38 pm
2 stops14h 35m
$520
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Sat 8/8
3:34 pm-10:45 pm
1 stop8h 11m
Mexico City Benito Juarez
Tue 8/11
8:45 pm-2:23 pm
1 stop16h 38m
$523
St. LouisMexico City
STL - MEX
STLMEX
Lambert-St Louis
Thu 7/30
3:34 pm-10:45 pm
1 stop8h 11m
Mexico City Benito Juarez
Wed 8/5
8:45 pm-2:23 pm
1 stop16h 38m
$523
SpringfieldCancún
SGF - CUN
SGFCUN
Springfield-Branson
Tue 6/9
12:46 pm-8:00 pm
1 stop7h 14m
Cancun
Tue 6/16
10:31 am-5:42 pm
1 stop7h 11m
$536
Kansas CityCancún
MCI - CUN
MCICUN
Kansas City
Tue 9/29
6:20 am-12:10 pm
1 stop5h 50m
Cancun
Sat 10/3
2:20 pm-5:45 pm
Nonstop3h 25m
$536
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Mexico
Have a flexible travel schedule? Discover the best time to fly to Mexico from Missouri with our price prediction graph.
STL-CUN
STL-MEX
MCI-CUN
MCI-MEX
SGF-CUN
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.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Mexico
USMO-MX0
STL-CUN
STL-MEX
MCI-CUN
MCI-MEX
How far ahead should I book a flight from Missouri to Mexico?
The price you pay for your flight from Missouri to Mexico may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Missouri to Mexico?
Currently, July is the cheapest month in which you can book a flight from Missouri to Mexico (average of $104). Flying from Missouri to Mexico in October is currently the most expensive (average of $866). 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 MO to MX?
Find hourly flight availability from Missouri 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 6, 2026.
When flying from Missouri 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.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Complete your trip
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Top regions
Alternative routes for Missouri to Mexico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Mexico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Mexico by cabin class
Find flights from Missouri to Mexico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Mexico flights
Browse other Missouri and Mexico flight options. Last updated on May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Mexico
Find the right flight back to Missouri after your stay in Mexico
Missouri to Mexico flights
Consider these flights traveling from Missouri to Mexico.
Fly to Mexico regions
Consider these flights traveling to Mexico regions.
Top 10 airlines flying from Missouri to Mexico
Discover the top 10 airlines that operate flights from Missouri 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 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$522 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$403 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$179 | Average$602 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$375 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$207 | Average$444 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$278 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$630 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$404 | Average$468 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$419 | Average$629 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$527 | Average$597 | FlexibilityNo cancel fee | On-time75% |