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$113+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CUN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$246
(Cheapflightsfares)

One-way from

$113
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$533

Good round-trip deal

$322 or less

Good one-way deal

$189 or less
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. 4% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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 9/1110:21 amSTL - CUN
Nonstop3h 13mFrontier
Mon 9/152:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$246
This Frontier deal was found by Cheapflights users on 8/18. 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.
Sun 9/1410:21 amSTL - CUN
Nonstop3h 13mFrontier
Sat 9/202:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$248
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Mon 9/810:21 amSTL - CUN
Nonstop3h 13mFrontier
Mon 9/152:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$263
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/210:26 amSTL - CUN
Nonstop3h 20mFrontier
Tue 9/92:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$277
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/810:21 amSTL - CUN
Nonstop3h 13mFrontier
Sat 9/132:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$278
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Sun 9/710:21 amSTL - CUN
Nonstop3h 13mFrontier
Thu 9/112:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$279
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/510:21 amSTL - CUN
Nonstop3h 13mFrontier
Tue 9/92:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/19$282
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/1710:21 amSTL - CUN
Nonstop3h 13mFrontier
Wed 9/242:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$284
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
Fri 10/2410:22 amSTL - CUN
Nonstop3h 13mFrontier
Mon 10/272:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 8/19$285
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Wed 9/2410:21 amSTL - CUN
Nonstop3h 13mFrontier
Sun 9/282:49 pmCUN - STL
Nonstop3h 21mFrontier
Deal found 8/18$286
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/1810:22 amSTL - CUN
Nonstop3h 13mFrontier
Thu 10/232:50 pmCUN - STL
Nonstop3h 17mFrontier
Deal found 8/19$289
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Sat 9/205:15 amMCI - CUN
1 stop26h 56mSpirit Airlines
Wed 9/249:16 amCUN - MCI
1 stop13h 51mSpirit Airlines
Deal found 8/18$329

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 August 20, 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

Thu 9/11

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Mon 9/15

2:49 pm-6:10 pm

Nonstop3h 21m

$246

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 9/14

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Mon 9/22

2:49 pm-6:10 pm

Nonstop3h 21m

$246

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 10/19

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Thu 10/30

3:45 pm-7:00 pm

Nonstop3h 15m

$248

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 9/8

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Mon 9/15

2:49 pm-6:10 pm

Nonstop3h 21m

$277

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Mon 9/29

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Sat 10/4

2:49 pm-6:10 pm

Nonstop3h 21m

$278

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Sun 9/7

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Thu 9/11

2:49 pm-6:10 pm

Nonstop3h 21m

$279

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Fri 9/5

10:21 am-1:34 pm

Nonstop3h 13m

Cancun

Tue 9/9

2:49 pm-6:10 pm

Nonstop3h 21m

$282

St. LouisCancún

STL - CUN

STLCUN

Lambert-St Louis

Fri 10/24

10:22 am-1:35 pm

Nonstop3h 13m

Cancun

Mon 10/27

2:50 pm-6:07 pm

Nonstop3h 17m

$285

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Mon 10/27

5:15 am-8:04 am

1 stop26h 49m

Cancun

Thu 10/30

9:09 am-11:46 pm

1 stop14h 37m

$329

Kansas CityCancún

MCI - CUN

MCICUN

Kansas City

Sun 9/28

5:15 am-8:11 am

1 stop26h 56m

Cancun

Fri 10/3

9:16 am-11:07 pm

1 stop13h 51m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 43 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, January is the cheapest month in which you can book a flight from Missouri to Cancún (average of $360). Flying from Missouri to Cancún in March is currently the most expensive (average of $492). 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 August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Cancún as you normally would.

How much does it cost to fly round-trip from Missouri to Cancún?

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 $246, Frontier can have you in Cancún from Missouri in 3h 13m. 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 $113. Spirit Airlines flights start at $151 while deals on American Airlines start at $194 one-way.

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

    Most travelers choose Lambert-St Louis - Cancun, Kansas City - 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 $174. While the most popular route (Lambert-St Louis - Cancun) can be booked for $281 on average our data indicates $344 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, January is the cheapest month in which you can book a flight from Missouri to Cancún (average of $360). Flying from Missouri to Cancún in March is currently the most expensive (average of $492). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$132Average$335FlexibilityNo cancel feeOn-time65%
VolarisCheapest$174Average$364FlexibilityNo cancel feeOn-time79%
DeltaCheapest$225Average$548FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$243Average$507FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$270Average$476FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$363Average$548FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$379Average$559FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$454Average$849FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$465Average$658FlexibilityNo cancel feeOn-time63%

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