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$129+ Cheap flights from Missouri to Cancún (CUN)

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 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Missouri to Cancún

Keep the following information in mind while searching for Missouri to Cancún flight deals. Data was last updated October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$292
(Kiwi.com)

One-way from

$129
(Frontier)

Popular in

March

Cheapest in

September

Average price

$431

Good round-trip deal

$361 or less

Good one-way deal

$192 or less
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 Missouri to Cancun
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One-way flight from Missouri to Cancun
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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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Price to beat on a round-trip flight from Missouri to Cancun.
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Price to beat on a one-way flight from Missouri to Cancun.
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Find flight deals from Missouri to Cancún

Cheapest flights from Missouri to Cancún
Explore the most affordable flight options available from Missouri to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:33 amMCI - CUN
1 stop25h 07mMultiple Airlines
Thu 1/810:15 amCUN - MCI
1 stop27h 24mMultiple Airlines
Deal found 10/29$327
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:05 amSTL - CUN
1 stop7h 28mDelta
Fri 12/128:00 amCUN - STL
1 stop9h 06mDelta
Deal found 10/27$330
This Frontier 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 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 10/28$339
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:01 pmMCI - CUN
1 stop17h 12mMultiple Airlines
Sat 12/204:58 pmCUN - MCI
1 stop27h 53mMultiple Airlines
Deal found 10/29$339
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 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
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:15 amSTL - CUN
Nonstop3h 18mMultiple Airlines
Tue 12/211:28 amCUN - STL
Nonstop3h 22mMultiple Airlines
Deal found 10/28$354
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amSTL - CUN
1 stop6h 55mMultiple Airlines
Thu 11/133:45 pmCUN - STL
Nonstop3h 15mMultiple Airlines
Deal found 10/27$356
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
Fri 12/511:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/29$357
This Frontier 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 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
Sat 12/1311:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/27$358
This Frontier 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 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
Thu 12/1111:28 amCUN - STL
Nonstop3h 22mFrontier
Deal found 10/27$361
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:33 pmMCI - CUN
1 stop17h 02mMultiple Airlines
Thu 11/132:30 pmCUN - MCI
1 stop20h 47mMultiple Airlines
Deal found 10/27$363

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Cancún 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 29, 2025.
Use the filters below to find and compare flights from Missouri to Cancún that are best for you.

Fly from

Missouri

Fly to

Cancún

Route

Depart

Return

Price

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Wed 1/21

6:00 am-4:45 pm

1 stop9h 45m

Cancun

Wed 1/28

11:18 am-11:39 pm

2 stops13h 21m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 1/19

6:00 am-12:54 pm

1 stop5h 54m

Cancun

Fri 1/23

8:39 am-3:52 pm

1 stop8h 13m

$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

Mon 1/19

6:10 am-8:00 pm

2 stops12h 50m

Cancun

Fri 1/23

1:43 pm-8:45 pm

1 stop8h 02m

$330

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 12/2

6:00 am-10:23 am

Nonstop3h 23m

Cancun

Sat 12/6

11:28 am-1:50 pm

Nonstop3h 22m

$339

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Tue 1/27

8:05 am-5:50 pm

2 stops8h 45m

Cancun

Sat 1/31

8:39 am-3:39 pm

1 stop8h 00m

$348

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

Thu 1/22

6:35 am-2:00 pm

1 stop6h 25m

Cancun

Tue 1/27

1:40 pm-8:39 pm

1 stop7h 59m

$348

SpringfieldCancún

SGF - CUN

SGFCUN

Springfield-Branson

Thu 1/29

10:50 am-8:45 pm

1 stop8h 55m

Cancun

Wed 2/4

12:00 pm-6:04 pm

1 stop7h 04m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 54 results
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Best time to book a flight from Missouri to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Missouri 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 Missouri to Cancún

What is the cheapest month to book a flight from Missouri to Cancún?

Currently, February is the cheapest month in which you can book a flight from Missouri to Cancún (average of $172). Flying from Missouri to Cancún 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 MO to CUN?

Find hourly flight availability from Missouri to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s typically best to fly out from Missouri to Cancún in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Missouri to Cancún?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Cancún. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Cancún flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Cancún. 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 into for flights to Cancún from Missouri?

    For a flight from Missouri to Cancún, you will be flying into Cancun. Cancun (CUN) is just 8.9 mi from the center of the city.

  • How popular is this Missouri to Cancún flight route?

    This flight path from Missouri to Cancun was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Missouri to Cancún?

    For as low as $330, Delta can have you in Cancún from Missouri in 5h 54m. There are 1241 mi between Missouri and Cancún. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Cancún one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $149. Delta flights start at $151 while deals on United Airlines start at $151 one-way.

  • What are the most popular routes from Missouri to Cancún?

    Most travelers choose Kansas City - Cancun, Lambert-St Louis - Cancun or Springfield-Branson - Cancun when deciding on the best route from Missouri to Cancún.

  • What are the cheapest flights from Missouri to Cancún?

    Looking at all options, your cheapest flight can be booked for $184. While the most popular route (Kansas City - Cancun) can be booked for $348 on average, our data indicates $298 when flying from Missouri to Cancún.

  • Can I find deals for flights from Missouri to Cancún that include hotel bookings?

    Yes. In addition to deals on Missouri to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Cancún.

  • Can I find deals for business class flights from Missouri to Cancún?

    Yes. Cheapflights offers flight deals from Missouri to Cancún 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 Missouri to Cancún?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Cancún (average of $172). Flying from Missouri to Cancún 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

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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Alternative routes for Missouri to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Missouri to Cancún

Discover the top 9 airlines that operate flights from Missouri to Cancún. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$337FlexibilityNo cancel feeOn-time65%
VolarisCheapest$175Average$374FlexibilityNo cancel feeOn-time79%
DeltaCheapest$225Average$557FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$243Average$437FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$252Average$502FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$363Average$535FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$380Average$545FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$454Average$1,030FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$474Average$652FlexibilityNo cancel feeOn-time63%

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