Cancún to St Louis (CUN–STL) — Airlines, Schedules & Connections

CUN Airport Page →
1,241 mi airlines 19/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 22h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AA2756
AA American
738
11:32 AM
EST T3
3:09 PM
EDT
3h 37m
M T W T F S S
Prices
F987
F9 Frontier
321
11:44 AM
EST T4
3:11 PM
EDT
3h 27m
M T W T F S S
Prices
WN1996
WN Southwest
738
12:30 PM
EST T4
3:50 PM
EDT
3h 20m
M T W T F S S
Prices
WN1986
WN Southwest
7M8
3:30 PM
EST T4
6:45 PM
EDT
3h 15m
M T W T F S S
Prices
WN1985
WN Southwest
737
5:45 AM
EDT T2
8:55 AM
EST
3h 10m
M T W T F S S
Prices
F986
F9 Frontier
321
6:00 AM
EDT T1
9:30 AM
EST
3h 30m
M T W T F S S
Prices
WN1995
WN Southwest
737
11:02 AM
EDT T2
2:18 PM
EST
4h 16m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Cancún to St Louis
3 carriers, 19 flights/week nonstop.
3 Airlines 19 Flights/wk 1,241 mi 3h 15m nonstop +1h ahead 47 1-stop hubs

CUN–STL is served by 3 airlines with nonstop service. Southwest Airlines, Frontier and American Airlines lead the route. The flight covers 1,241 miles in approximately 3h 15m. Beyond nonstop, 47 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop CUN–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 11 738, 7M8 3h15-3h20
F9 Frontier 7 321 3h27
AA American Airlines 1 738 3h37 Oneworld
Aircraft on this route
321 Airbus A321 – F9
738 Boeing 737-800 – AA, WN
7M8 Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: F9 + WN (18 flights/wk, 95%)
Oneworld: AA (1 flights/wk, 5%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, CUN to STL direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
3
flights
Fri
3
flights
Sat
4
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
19
Outbound / wk
21
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for CUN to STL.
1-STOP
One-Stop Connections
47
Hubs
~5h
Fastest
~43h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,432
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
CUN → STL
78%
Generally reliable. Most flights run on time.
Arriving
78%
Return
STL → CUN
76%
Generally reliable. Most flights run on time.
Departing
76%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. STL delays →

Other ways to reach St Louis from Cancún

Nearby airports with service to St. Louis Lambert International Airport.
Metric CUN→STL MID→STL
Distance from CUN 179 mi
Nonstop airlines 3 1
Weekly flights 19 1
Flight time 3h 15m 1h 32m
Airports within 200 miles of CUN with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
St Louis is 1 hour ahead of Cancún.
CUN: EST · STL: EDT

When it's 6:00 PM in Cancún, it's 7:00 PM in St Louis.
Distance & Flight Time
1,241 mi / 1,997 km
Nonstop flight time is approximately 3h 15m to 3h 37m.
Visa & Entry

Mexican passport holders need a B1/B2 visa to enter the United States. The visa is obtained through a US embassy or consulate and requires an in-person interview. B1/B2 visas are typically issued for 10 years with stays of up to 6 months per entry.

For land crossings within the border zone, a Border Crossing Card (BCC) is an alternative. The BCC costs USD 185 and is valid for 10 years. It allows entry up to 25 miles from the border in Texas and California, or 55 miles in New Mexico and Arizona. Travel by air or beyond the border zone requires a full B1/B2 visa with a valid passport.

Getting to CUN

ADO buses run from downtown Cancún bus terminal to the airport for MXN 102 (about USD $5) in 20–25 minutes. The Tren Maya (Maya Train) opened a station at CUN Airport (Terminal 4), connecting to the broader Yucatán rail network. Taxis from the Hotel Zone (Zona Hotelera) cost MXN 350–550 (USD $17–28) depending on the zone.Authorized taxis from the airport are sold by ticket inside the terminal; agree on the fare before leaving the building to avoid inflated street prices. Uber is blocked from airport pick-ups by local taxi concessions; use the authorised taxi stand. Car rental is available at all four terminals.

CUN–STL Quick Facts

Key statistics for the Cancún to St Louis route.
Route details
Distance1,241 mi / 1,997 km
Flight time3h 15m to 3h 37m
Time difference+1 hour
Airlines (nonstop)3
Weekly flights19 out / 21 return
1-stop connections47 hubs
Origin: CUN
IATA / ICAOCUN / MMUN
TimezoneAmerica/Cancun
Passengers/yr30.4M
Elevation22 ft / 7 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about CUN to STL flights.
Nonstop flights from Cancún International Airport to St. Louis Lambert International Airport take approximately 3h 15m to 3h 37m. The route covers 1,241 miles.
3 airlines operate nonstop service: American Airlines, Frontier and Southwest Airlines.
There are approximately 19 nonstop flights per week from CUN to STL. The return direction has about 21 weekly flights.
Yes, 1-stop connections are available through NAS, PBI, TEB, ORF, HPN, YUL, SJU, MCO, SAT, BNA, PHL, IAH, MSY, CLE, RDU, CMH, MKE, MIA, HOU, PIT, ATL, MCI, BWI, IAD, FLL, ORD, DFW, MDW, DTW, PHX, BOS, EWR, MSP, CHS, DEN, YYZ, SEA, TPA, AUS, SLC, CLT, LAX, SFO, IND, PUJ, FRA and CVG. These options provide additional schedule flexibility.
St Louis is 1 hour ahead of Cancún.
Yes, return flights from STL to CUN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include MID. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from CUN to STL

Cancún International Airport (CUN) and St. Louis Lambert International Airport (STL) are connected by nonstop service from American Airlines, Frontier and Southwest Airlines. With 19 weekly departures, this is a well served route.

CUN to STL Flight Duration and Schedule

Nonstop flight time from CUN to STL ranges from 3 hours 15 minutes to 3 hours 37 minutes. The route covers a distance of 1,241 miles (1,997 km). There are approximately 19 weekly flights outbound and 21 return, totaling 40 flights per week in both directions.

Connecting Options and Alternatives

47 one-stop connections are available, with the fastest taking approximately 5 hours via NAS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Mérida (MID).