St Louis → Cancun flights
St Louis (STL, SUS)→Cancun (CUN)
Last checked: 25 Aug 2026 · Price may change
Short answer
Frontier Airlines flies St Louis to Cancun non-stop. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Selected search
Last checked: 25 Aug 2026 · Price may change
We have not observed a fare on this route yet. Run a search and we will record what comes back.
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Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 25 Aug 2026
St Louis → CancunDates
Find flightsRoute facts
Direct flights
Non-stop
STL - CUN
Airlines seen
1
Frontier Airlines
Alternative airports
1
SUS
Frequently asked
Are there direct flights from St Louis to Cancun?+−
Yes. We have seen non-stop flights on this route, flown by Frontier Airlines.
Which airlines fly from St Louis to Cancun?+−
These are the carriers we have seen on the route: Frontier Airlines.
Similar routes
More routes from St Louis
More routes to Cancun
Montreal → Cancun€287Houston → Cancun€247Dallas → Cancun€160Vancouver → Cancun€241San Jose → Cancun€250Mexico City → Cancun€93Toronto → Cancun€240Guatemala City → Cancun€158Bogota → Cancun€325Denver → Cancun€134Calgary → Cancun€257Fort Lauderdale → Cancun€356Istanbul → Cancun€666Tampa → Cancun€180Winnipeg → Cancun€264Baltimore → Cancun€285San Salvador → Cancun€292Philadelphia → Cancun€338Paris → Cancun€650Kelowna → Cancun€230New York → Cancun€271Miami → Cancun€310Tijuana → Cancun€283Ottawa → Cancun€320Quebec → Cancun€334Guadalajara → Cancun€108Madrid → Cancun€562Orlando → Cancun€130Detroit → Cancun€371Chicago → Cancun€273
Last checked: 25 Aug 2026