$95+ Cheap flights from St. Louis (STL) to Quintana Roo
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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUN
Jan 11 — Jan 181
1 adult, Economy
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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
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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 Quintana Roo
Cheapest flights from St. Louis to Quintana RooExplore the most affordable flight options available from St. Louis to Quintana Roo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from St. Louis to Quintana Roo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This Frontier deal was found by Cheapflights users on 12/9. 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 12/306:00 amSTL - CUN
Nonstop3h 23mFrontier
Fri 1/912:21 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 12/9![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/317:43 pmSTL - CUN
1 stop20h 29mFrontier
Fri 1/912:21 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 12/9![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/306:00 amSTL - CUN
Nonstop3h 23mMultiple Airlines
Thu 1/810:13 amCUN - STL
1 stop13h 20mMultiple Airlines
Deal found 12/9![Multiple Airlines logo]()
$336
This CheapOair deal was found by Cheapflights users on 12/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:00 amSTL - CUN
Nonstop3h 23mFrontier
Thu 12/184:58 pmCUN - STL
1 stop18h 04mFrontier
Deal found 12/11![Frontier logo]()
$337
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:05 pmSTL - CUN
1 stop24h 55mMultiple Airlines
Sat 12/2012:26 pmCUN - STL
Nonstop3h 21mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/317:43 pmSTL - CUN
1 stop20h 29mMultiple Airlines
Thu 1/810:13 amCUN - STL
1 stop13h 20mMultiple Airlines
Deal found 12/9![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/317:43 pmSTL - CUN
1 stop20h 29mFrontier
Thu 1/83:14 pmCUN - STL
1 stop24h 34mFrontier
Deal found 12/11![Frontier logo]()
$356
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/108:30 amSTL - CUN
1 stop7h 10mUnited Airlines
Tue 12/164:51 pmCUN - STL
1 stop6h 07mUnited Airlines
Deal found 12/9![United Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Tue 12/3010:48 amSTL - CUN
1 stop21h 09mFrontier
Thu 1/83:14 pmCUN - STL
1 stop24h 34mFrontier
Deal found 12/11![Frontier logo]()
$366
This Aeromexico deal was found by Cheapflights users on 12/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSTL - CZM
1 stop7h 15mAeromexico
Wed 12/313:30 pmCZM - STL
1 stop8h 08mAeromexico
Deal found 12/11![Aeromexico logo]()
$395
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSTL - CZM
1 stop8h 15mDelta
Wed 12/313:30 pmCZM - STL
1 stop8h 08mDelta
Deal found 12/11![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 12/9. 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 12/316:00 amSTL - CZM
1 stop8h 15mDelta
Thu 1/83:05 pmCZM - STL
1 stop8h 34mDelta
Deal found 12/9![Delta logo]()
$427
Find flight deals from St. Louis to Quintana Roo
Keep the following information in mind while searching for St. Louis to Quintana Roo flight deals. Data was last updated December 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $221 (Frontier) |
One-way from | $95 (Frontier) |
Popular in | March |
Cheapest in | September |
Average price | $448 |
Good round-trip deal | $317 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Quintana Roo 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 December 12, 2025.
Use the filters below to find and compare flights from St. Louis to Quintana Roo that are best for you.
Fly from
St. Louis
Fly to
Quintana Roo
Route
Depart
Return
Price
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Fri 1/30
5:42 pm-9:13 am
1 stop14h 31m
Cancun
Tue 2/3
1:21 pm-6:51 am
2 stops18h 30m
$339
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Sat 2/14
8:17 pm-8:51 am
1 stop11h 34m
Cancun
Thu 2/19
11:40 am-11:59 pm
2 stops13h 19m
$345
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 2/4
8:22 pm-1:47 pm
1 stop16h 25m
Cancun
Sat 2/7
10:13 am-11:33 pm
1 stop14h 20m
$364
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 3/11
6:00 am-12:34 pm
1 stop6h 34m
Cancun
Wed 3/18
11:36 am-8:55 pm
1 stop9h 19m
$371
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Tue 1/6
6:00 am-10:23 am
Nonstop3h 23m
Cancun
Mon 1/12
7:25 pm-3:29 pm
1 stop21h 04m
$375
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Tue 12/23
6:29 am-4:05 pm
1 stop8h 36m
Cancun
Wed 12/31
8:00 am-7:04 pm
1 stop12h 04m
$381
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Tue 12/30
6:29 am-2:00 pm
1 stop6h 31m
Cancun
Wed 1/7
5:45 pm-11:39 pm
1 stop6h 54m
$406
St. LouisCozumel
STL - CZM
STLCZM
Lambert-St Louis
Tue 1/20
6:00 am-1:50 pm
1 stop7h 50m
Cozumel
Wed 1/28
3:05 pm-11:37 pm
1 stop8h 32m
$409
St. LouisCozumel
STL - CZM
STLCZM
Lambert-St Louis
Wed 1/21
6:00 am-1:50 pm
1 stop7h 50m
Cozumel
Wed 1/28
3:05 pm-11:37 pm
1 stop8h 32m
$409
St. LouisCancún
STL - CUN
STLCUN
Lambert-St Louis
Wed 12/31
6:05 am-2:10 pm
1 stop7h 05m
Cancun
Wed 1/7
4:40 pm-11:39 pm
1 stop7h 59m
$414
Showing 1-10 of 43 results
Best time to book a flight from St. Louis to Quintana Roo
Have a flexible travel schedule? Discover the best time to fly to Quintana Roo 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 Quintana Roo
What is the cheapest month to book a flight from St. Louis to Quintana Roo?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Quintana Roo (average of $158). Flying from St. Louis to Quintana Roo in June is currently the most expensive (average of $231). 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 QR?
Find hourly flight availability from St. Louis to Quintana Roo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.
One of the essential ways to save on airfare from St. Louis to Quintana Roo is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 33% on airfare.
What is the cheapest day to fly from St. Louis to Quintana Roo?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Quintana Roo. Price data was last updated on December 6, 2025.
Travelers seeking maximum savings on their St. Louis to Quintana Roo flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from St. Louis to Quintana Roo
Explore weekly flight availability from St. Louis to Quintana Roo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.
The most flights from STL to MXQR are scheduled on a Monday (2 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
Reviews of airlines servicing Quintana Roo
Get insights into the airlines that provide service to Quintana Roo. 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 Quintana Roo. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from St. Louis to Quintana Roo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Quintana Roo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Quintana Roo
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from St. Louis to Quintana Roo
Discover the top 8 airlines that operate flights from St. Louis to Quintana Roo. 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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$293 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$175 | Average$372 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$218 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$424 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$315 | Average$526 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$330 | Average$595 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$641 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$516 | Average$666 | FlexibilityNo cancel fee | On-time63% |