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Playa del Carmen

$128+ Cheap flights from St. Louis (STL) to Playa del Carmen, 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Playa del Carmen are usually found in September or October, booked 54 days in advance, depart on a Monday or Wednesday and return on a Thursday

Cheap flight deals from St. Louis to Playa del Carmen

Keep the following information in mind while searching for St. Louis to Playa del Carmen flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$274
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$431
Provider with most accurate pricing for Lambert-St Louis-Cancun flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Cancun flights.
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From Lambert-St Louis to Playa del Carmen
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One-way flight from Lambert-St Louis to Playa del Carmen
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to Playa del Carmen

Cheapest flights from St. Louis to Playa del Carmen
Explore the most affordable flight options available from St. Louis to Playa del Carmen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/30. 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.
Sat 12/66:00 amSTL - CUN
Nonstop3h 23mFrontier
Sat 12/1311:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/30$278
This Frontier deal was found by Cheapflights users on 10/29. 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.
Tue 12/26:00 amSTL - CUN
Nonstop3h 23mFrontier
Sat 12/611:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/29$299
This Frontier deal was found by Cheapflights users on 10/29. 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 12/66:00 amSTL - CUN
Nonstop3h 23mFrontier
Tue 12/911:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/29$318
This Frontier deal was found by Cheapflights users on 10/30. 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 11/296:15 amSTL - CUN
Nonstop3h 18mFrontier
Sat 12/611:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/30$329
This Delta deal was found by Cheapflights users on 10/30. 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 12/86:00 amSTL - CUN
1 stop8h 33mDelta
Tue 12/168:00 amCUN - STL
1 stop11h 33mDelta
Deal found 10/30$330
This Frontier deal was found by Cheapflights users on 10/29. 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 12/66:00 amSTL - CUN
Nonstop3h 23mFrontier
Mon 12/811:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/29$336
This CheapOair deal was found by Cheapflights users on 10/28. 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 12/79:30 amSTL - CUN
1 stop10h 50mMultiple Airlines
Thu 12/1111:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 10/28$339
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Sat 12/66:00 amSTL - CUN
Nonstop3h 23mMultiple Airlines
Thu 12/1110:10 pmCUN - STL
1 stop18h 19mMultiple Airlines
Deal found 10/30$340
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/210:17 amSTL - CUN
Nonstop3h 13mVolaris
Thu 11/63:45 pmCUN - STL
Nonstop3h 15mVolaris
Deal found 10/28$346
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amSTL - CUN
Nonstop3h 23mMultiple Airlines
Fri 12/511:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 10/30$347
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/137:02 pmSTL - CUN
1 stop17h 33mMultiple Airlines
Tue 11/1812:31 pmCUN - STL
2 stops21h 36mMultiple Airlines
Deal found 10/27$351

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Playa del Carmen 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 October 30, 2025.
Use the filters below to find and compare flights from St. Louis to Playa del Carmen that are best for you.

Fly from

St. Louis

Fly to

Playa del Carmen

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 1/28

9:59 am-4:45 pm

1 stop5h 46m

Cancun

Wed 2/4

4:40 pm-11:39 pm

1 stop7h 59m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 12/8

6:15 am-3:59 pm

1 stop8h 44m

Cancun

Fri 12/12

4:51 pm-9:58 pm

1 stop6h 07m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 12/2

2:11 pm-9:20 pm

1 stop6h 09m

Cancun

Fri 12/5

11:17 am-11:42 pm

2 stops13h 25m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 1/21

7:10 am-8:00 pm

2 stops11h 50m

Cancun

Wed 1/28

3:13 pm-11:39 pm

1 stop9h 26m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 12/8

6:00 am-3:33 pm

1 stop8h 33m

Cancun

Tue 12/16

8:00 am-6:33 pm

1 stop11h 33m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sat 1/24

5:33 pm-9:58 am

1 stop15h 25m

Cancun

Wed 1/28

1:43 pm-8:45 pm

1 stop8h 02m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Thu 1/22

6:35 am-2:00 pm

1 stop6h 25m

Cancun

Wed 1/28

1:40 pm-8:39 pm

1 stop7h 59m

$348

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 1/27

6:00 am-4:45 pm

1 stop9h 45m

Cancun

Sat 1/31

8:00 am-7:27 pm

1 stop12h 27m

$348

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 1/26

5:11 pm-9:10 am

1 stop14h 59m

$136

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 12/23

6:00 am-10:23 am

Nonstop3h 23m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 results
1
2

Best time to book a flight from St. Louis to Playa del Carmen

Have a flexible travel schedule? Discover the best time to fly to Playa del Carmen 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Playa del Carmen

How far ahead should I book a flight from St. Louis to Playa del Carmen?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Playa del Carmen. Price data was last updated on October 24, 2025.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Playa del Carmen. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from St. Louis to Playa del Carmen?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Playa del Carmen (average of $172). Flying from St. Louis to Playa del Carmen in December is currently the most expensive (average of $301). 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 PL9?

Find hourly flight availability from St. Louis to Playa del Carmen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from St. Louis to Playa del Carmen in the evening. Doing so could potentially save you 47% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from St. Louis to Playa del Carmen?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Playa del Carmen. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their St. Louis to Playa del Carmen flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Playa del Carmen

Get insights into the airlines that provide service to Playa del Carmen. 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 Playa del Carmen. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from St. Louis to Playa del Carmen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,996 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,034 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Volaris
6.7
Okay
1,151 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,123 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Playa del Carmen. 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 Playa del Carmen?

    If you book a flight to Playa del Carmen from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Playa del Carmen per day from 8 different airlines.

  • How popular is this St. Louis to Playa del Carmen flight route?

    Within the past month, 22 users have taken a look at flights from Lambert-St Louis to Playa del Carmen.

  • How long is the flight from St. Louis to Playa del Carmen?

    For as low as $330, Delta can have you in Playa del Carmen from St. Louis in 5h 46m. There are 1241 mi between St. Louis and Playa del Carmen. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest flights from St. Louis to Playa del Carmen?

    On average you can expect to pay $298 for a flight from St. Louis to Playa del Carmen. The cheapest flight overall is $184 while the most popular route, (Lambert-St Louis - Cancun) is currently priced at $292.

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

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

  • How can I find direct flights from St. Louis to Playa del Carmen?

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

  • Can I find deals for business class flights from St. Louis to Playa del Carmen?

    Yes. Cheapflights offers flight deals from St. Louis to Playa del Carmen 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 Playa del Carmen?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Playa del Carmen (average of $172). Flying from St. Louis to Playa del Carmen in December is currently the most expensive (average of $301). 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

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Top 8 airlines flying from St. Louis to Playa del Carmen

Discover the top 8 airlines that operate flights from St. Louis to Playa del Carmen. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$293FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$374FlexibilityNo cancel feeOn-time79%
FrontierCheapest$243Average$437FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$252Average$509FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$315Average$523FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$376Average$598FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$476Average$636FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$512Average$663FlexibilityNo cancel feeOn-time63%

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