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CUN - STL

Find cheap flights from Cancun to St. Louis from $138

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Cancún to St. Louis departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/8
Sat 6/15

Search hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cancún to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cancún to St. Louis, as well as popular online travel agencies
In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Cancún to St. Louis (CUN-STL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Cancún to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
9:10 am - 7:22 pmCUN-STL
10h 12m1 stop
6:55 pm - 8:23 amSTL-CUN
13h 28m1 stop
$288Spirit Airlines
Find Deal
Thu, Jun 20 - Sun, Jun 23
9:10 am - 7:22 pmCUN-STL
10h 12m1 stop
6:55 pm - 11:32 amSTL-CUN
40h 37m2 stops
$372Spirit Airlines
Find Deal
Thu, Jun 20 - Sun, Jun 23
12:28 pm - 11:43 pmCUN-STL
11h 15m2 stops
6:06 am - 7:04 pmSTL-CUN
12h 58m2 stops
$435Delta
Find Deal
Thu, Jun 20 - Sun, Jun 23

Flights from Cancún to St. Louis - Travel Insights & Trends

Get data-powered insights and trends into flights from Cancún to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Cancún to St. Louis?

The average price of all flights from Cancún to St. Louis clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Cancún to St. Louis, look for departures on Tuesdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from St. Louis, Wednesday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Cancún to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Cancún to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Cancún to St. Louis is December, where tickets cost $258 on average. On the other hand, the most expensive months are October and April, where the average cost of tickets is $722 and $704 respectively.

Which airlines provide the cheapest flights from Cancún to St. Louis?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Cancún to St. Louis found by KAYAK users in the last 72 hours was for $288 on Spirit Airlines, followed by Delta ($435). One-way flight deals have also been found from as low as $138 on Spirit Airlines and from $179 on Frontier.

Which airlines fly non-stop between Cancún and St. Louis?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Cancún to St. Louis.
There are 2 airlines that fly nonstop from Cancún to St. Louis. They are Frontier and Southwest. The cheapest airline for this route is Frontier, with the best one-way deal found costing $253. On average, the best prices for this route can be found at Frontier.

How many flights are there between Cancún and St. Louis per day?

Each day, there are between 3 and 4 nonstop flights that take off from Cancún and land in St. Louis, with an average flight time of 3h 16m. The most common departure time is 1:00 pm and most flights take off in the afternoon. Each week, there are 22 flights. The most frequent day of departure is Saturday, when 18% of all weekly flights depart. The fewest flights depart on a Wednesday.

Which cabin class options are there for flights between Cancún and St. Louis?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

What’s the earliest departure time from Cancun to St. Louis?

Early birds can take the earliest flight from Cancún at 9:00 am and will be landing in St. Louis at 12:10 pm.

What’s the latest departure time from Cancun to St. Louis?

If you prefer to fly at night, the latest flight from Cancún to St. Louis jets off at 4:05 pm and lands at 7:20 pm.

Good to know

Low season

February

High season

July

Cheapest flight

$138
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Cancún to St. Louis

When to book flights from Cancún to St. Louis

Are your dates flexible? Find out the best times to travel from Cancún to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Cancun to St. Louis

  • What is the cheapest flight from Cancún to St. Louis?

    In the last 3 days, the lowest price for a flight from Cancún to St. Louis was $138 for a one-way ticket and $288 for a round-trip.

  • Do I need a passport to fly between Cancún and St. Louis?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Cancún and on arrival in St. Louis.

  • Which airports will I be using when flying from Cancún to St. Louis?

    Cancún airport is called Cancun and the only airport in St. Louis is Lambert-St Louis.

  • Which airlines offer Wi-Fi service onboard planes from Cancun to St. Louis?

    Only American Airlines offers inflight Wi-Fi service on the Cancún to St. Louis flight route.

  • Which aircraft models fly most regularly from Cancun to St. Louis?

    The Airbus A321-100/200 is the aircraft model that flies most regularly on the Cancún to St. Louis flight route.

  • On which days can I fly direct from Cancun to St. Louis?

    There are nonstop flights from Cancun to St. Louis on a daily basis.

  • How does KAYAK find such low prices on flights from Cancun to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cancun to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cancun to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Cancun is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Cancun to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Cancun with another airline. Booking your flights between Cancun and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cancun to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Cancun up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from CUN to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $181 or less one-way and $244 or less round-trip.

Prefer to fly non-stop from Cancún to St. Louis?

Find which airlines fly direct from Cancun to Lambert-St Louis, which days they fly and book direct flights.

Nonstop departures

Cancun to Lambert-St Louis

Monday

Frontier, Southwest

Frontier, Southwest

Tuesday

Frontier, Southwest

Frontier, Southwest

Wednesday

Frontier, Southwest

Frontier, Southwest

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights

Nonstop returns

Lambert-St Louis to Cancun

Monday

Frontier, Southwest

Frontier, Southwest

Tuesday

Frontier, Southwest

Frontier, Southwest

Wednesday

Frontier, Southwest

Frontier, Southwest

Thursday

Frontier, Southwest

Frontier, Southwest

Friday

Frontier, Southwest

Frontier, Southwest

Saturday

Frontier, Southwest

Frontier, Southwest

Sunday

Frontier, Southwest

Frontier, Southwest

See more direct flights
See more direct flights

Top airline flying from Cancún to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Cancún to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Cancún to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.2
FrontierOverall score based on 4088 reviews
6.6Boarding
5.8Comfort
7.1Crew
5.2Food
4.9Entertainment
Airline reviews

I checked a bag because it was $5 less than carry on. They managed to lose my bag on a 2.5 hr direct flight! Frontier has no airport staff at baggage claim to help. As soon as I got home around 11 pm I tried to use their online system to file the claim for lost bag - system wouldn't take the # on my baggage claim ticket - said it was not the correct number. Also said that I had not checked a bag, which wasn't true - even my online boarding pass showed that I had checked a bag. Wasted about an hour on that process with no luck. Tried again in the morning - same thing. So tried online chat with Frontier bot - waited 35-40" twice to be connected to a baggage agent and it never happened. Eventually drove to PDX after work and waited 2 hrs for the Frontier ticket agents to arrive prior to the next Frontier flight out of PDX and FINALLY got some help from one of them, to take me to lost luggage area where I was able to retrive my bag. Probably took 4-5 hrs. of my time and endless frustration to get my bag. This was my first -- and LAST -- experience flying Frontier Airlines. Check-in was also extremely difficult and time consuming. The flight itself (and staff) were fine but everything else about the experience was a total disaster! The fact that Frontier literally has NO WAY to connect to a human voice for customer service (in this case for lost luggage) is the WORST!!!!!

2.0 MediocreJudi, May 2024PHX - PDX
Read more about Frontier reviews

I checked a bag because it was $5 less than carry on. They managed to lose my bag on a 2.5 hr direct flight! Frontier has no airport staff at baggage claim to help. As soon as I got home around 11 pm I tried to use their online system to file the claim for lost bag - system wouldn't take the # on my baggage claim ticket - said it was not the correct number. Also said that I had not checked a bag, which wasn't true - even my online boarding pass showed that I had checked a bag. Wasted about an hour on that process with no luck. Tried again in the morning - same thing. So tried online chat with Frontier bot - waited 35-40" twice to be connected to a baggage agent and it never happened. Eventually drove to PDX after work and waited 2 hrs for the Frontier ticket agents to arrive prior to the next Frontier flight out of PDX and FINALLY got some help from one of them, to take me to lost luggage area where I was able to retrive my bag. Probably took 4-5 hrs. of my time and endless frustration to get my bag. This was my first -- and LAST -- experience flying Frontier Airlines. Check-in was also extremely difficult and time consuming. The flight itself (and staff) were fine but everything else about the experience was a total disaster! The fact that Frontier literally has NO WAY to connect to a human voice for customer service (in this case for lost luggage) is the WORST!!!!!

Frontier is a crappy airline nothing about it is honest

I didn't get to do this flight l, hard to review

Not good 😐 Over priced baggage fees Small hard seats No wifi or entertainment options 😕

Didn't like anything!! Horrible flight. Small seating area and hard seats. Butt was sore after 2 hour flight to Seattle No entertainment or free refreshments No wifi or USB charging receptacles to charge phone entoute like other airliners Luggage rates were 3 times as much as competitors. Difficult to navigate online luggue process to pre pay before flight Overall bad experience WILL NEVER RIDE OR RECOMMEND FRONTIER TO FRIENDS OR FAMILY MEMBERS!!! THIS IS A SHAME!! MOST MESERIBLE FLIGHT OF MY LIFE!! AND I THOUGHT SPIRIT WAS 👎 YOU GOT THEM BEAD HANDS DOWN!!

Flight was a little late taking off. Seats are too upright, no ports to charge devices, no wifi, no entertainment

Six hour delay. Poor customer service. No voucher. Bad communication. Missed important appointments.

Our flight was delayed an hour, then when we got to board our flight finally, we were waiting in our seats for take off for 45 minutes before it was communicated that there was a maintenance issue therefore we waited on the plane for over an hour while that was resolved. We did not get to Phoenix until almost 3 hours after we were originally supposed to. This was the first and last time I will be flying Frontier.

Flight was canceled with little warning. Flight was rebooked through Ontario, California and connecting flight was delayed by over three hours. Frontier is living up to their Greyhound of the skies reputation for sure.

I purchased a carry on bag online…was supposed to cost $72 but after a whole slew of bs charges, the total was over $175.00. Because of these hidden charges, I will not even consider flying Frontier ever again. It’s just not worth the hassle. I’m scratching this company off my list forever.

Book cheap flights from Cancun to St. Louis

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Cancún to St. Louis found on KAYAK in the last 72 hours.
5/30Thu
1 stopSpirit Airlines
9h 30mCUN-STL
$138
5/14Tue
1 stopFrontier
17h 45mCUN-STL
$179
5/14Tue
2 stopsFrontier
20h 11mCUN-STL
$180
5/15Wed
2 stops
13h 03mCUN-STL
$187
5/30Thu
2 stops
13h 03mCUN-STL
$203
5/30Thu
nonstopVolaris
3h 24mCUN-STL
$219
9/3Tue
2 stopsAeromexico
25h 38mCUN-STL
$236
5/15Wed
nonstopVolaris
3h 31mCUN-STL
$244
8/3Sat
1 stopAmerican Airlines
8h 38mCUN-STL
$266
9/3Tue
1 stopAmerican Airlines
7h 18mCUN-STL
$292

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Cancún - St. Louis Flights

Departure:

Cancun (undefined)Mexico

Destination:

St. Louis (STL)United States

Return flight deals:

St. Louis - Cancun

Cabin classes:

$171