$240 Cheap United flights from Cancun to St. Louis (CUN to STL)

Find The Best Day To Fly from Cancun to St. Louis

Amazing United CUN to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $447 round trip and $240 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Cancun Intl. Airport (CUN) to STL right now?
For info on any current St. Louis Lambert International Airport quarantine requirements and travel advice, go to our Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught up.
What terminal is United Airlines at Cancun Intl. Airport (CUN)?
You should find out which terminal United Airlines leaves from at CUN once you receive your ticket. The same can be said for information regarding your arrival at Lambert-St. Louis Intl. Airport (STL). If those details are missing, get in touch with your airline.
Are there United Airlines non-stop flights from CUN to STL?
United Airlines doesn’t have direct flights between Cancun Intl. Airport (CUN) and Lambert Field, so be prepared to make a stopover. If you’ve got time between flights, hit the airport shops while you wait for your connection.
How long is a United Airlines flight from CUN to STL?
As it will take about 4 hours and 46 minutes for your United Airlines flight to get from Cancun Airport to Lambert Field, think about sticking some entertaining travel games in your carry-on bag. You never know — the person beside you might appreciate the opportunity to play to break up the journey.
How many direct and indirect flights does United Airlines fly from CUN to STL?
You’ll have a lot of flexibility if you want to fly with United Airlines from CUN to STL. It offers roughly 3 flights every day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lambert Field, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Cancun CUN to St. Louis STL 

To find the best deals on flights to Cancun from St. Louis with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Cancun CUN to St. Louis STL with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $447 to $447, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Cancun CUN to St. Louis STL 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Cancun to St. Louis costs from $240. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to St. Louis STL from  Cancun CUN with United 

To find a cheap United flight from Cancun CUN to St. Louis STL, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Cancun CUN to St. Louis STL 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from Cancun CUN to St. Louis STL with United 

If you’re keen to be on St. Louis soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Cancun CUN to St. Louis STL 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to St. Louis STL from  Cancun CUN with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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