Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
STLCUNSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$234Air Canada
Fastest5h 15mgate to gate
Options found95flights on this route
Find your flightSTL → CUN
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
95 flight options
Fares are checked again before payment.
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Av. López Portillo y Torcasita,sm63, mz22 L-11, 77513
Room availability is checked live
$31per night+ taxes if applicable
1 Night • 3 Star
3.0Very GoodLive availability
Caribe Internacional
Av. Yaxchilan and Sunyaxchen #36 - #37,SM 24, 77509
Room availability is checked live
$32per night+ taxes if applicable
1 Night • 3 Star
5.0Very GoodLive availability
Pachamaya Holistic Wellness & Spa
Avenida Uxmal Lote 19 ,
Room availability is checked live
$33per night+ taxes if applicable
1 Night • 5 Star
3.0Very GoodLive availability
Suites Gaby
Av. Sunyaxchen Lote 46 y 47 Mza 2,Supermanzana 25, 77509
Room availability is checked live
$35per night+ taxes if applicable
1 Night • 3 Star
United Airlines
UA-541
17:36
2026-10-03
St Louis (STL)Lambert-St Louis Intl
19H :34 M
1 Stop
ORD
· 14h 24m Chicago (ORD), United States
13:10
2026-10-04
Cancun (CUN)Cancun
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$336
Flight DetailsSTL to CUN - 19H :34 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$396
Flight DetailsSTL to CUN - 19H :34 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
United Airlines
UA-541
17:36
2026-10-03
St Louis (STL)Lambert-St Louis Intl
20H :50 M
1 Stop
ORD
· 15h 41m Chicago (ORD), United States
14:26
2026-10-04
Cancun (CUN)Cancun
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$336
Flight DetailsSTL to CUN - 20H :50 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$396
Flight DetailsSTL to CUN - 20H :50 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
United Airlines
UA-5548
05:10
2026-10-03
St Louis (STL)Lambert-St Louis Intl
7H :48 M
1 Stop
DEN
· 1h 18m Denver (DEN), United States
12:58
2026-10-03
Cancun (CUN)Cancun
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$355
Flight DetailsSTL to CUN - 7H :48 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$415
Flight DetailsSTL to CUN - 7H :48 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
United Airlines
UA-1371
06:15
2026-10-03
St Louis (STL)Lambert-St Louis Intl
5H :47 M
1 Stop
IAH
· 1h 17m Houston (IAH), United States
12:02
2026-10-03
Cancun (CUN)Cancun
Non Refundable 6 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$355
Flight DetailsSTL to CUN - 5H :47 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$415
Flight DetailsSTL to CUN - 5H :47 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesRefundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$234Air Canada08:55
Earliest departure$639American Airlines05:00
Shortest duration$641Delta Air Lines06:00
Night
00:00-05:59
$355United Airlines at 05:10Morning
06:00-11:59
$234Air Canada at 08:55Afternoon
12:00-17:59
$234Air Canada at 14:40Evening
18:00-23:59
No optionOpen full search for more
Departure & Arrival Airport Details
St Louis (STL)
Lambert-St Louis Intl
United States
GMT -6
Latitude: 38.748697
Longitude: -90.370003
Cancun (CUN)
Cancun
Mexico
GMT -5
Latitude: 21.036500930800003
Longitude: -86.8770980835
Distance: St Louis (STL), United States to Cancun (CUN), Mexico - 1,997.63 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Every option we can actually book for you, compared on price and journey time.
OptionFromJourney timeAvailability
Connecting flight₹22,356Longer — includes a stop95 options
Air distance is about 1,998 km. 4 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from St Louis to Cancun
Compare fares, stops, baggage and refundability across the airlines flying this route.
AM
American Airlines Flights
from $36642 flights
Fares from
$366
Non-stop
None in these results
Departures
42 — compare timings in the list above
UN
United Airlines Flights
from $33635 flights
Fares from
$336
Non-stop
None in these results
Departures
35 — compare timings in the list above
DE
Delta Air Lines Flights
from $48714 flights
Fares from
$487
Non-stop
None in these results
Departures
14 — compare timings in the list above
AI
Air Canada Flights
from $2344 flights
Fares from
$234
Non-stop
None in these results
Departures
4 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
5h 15m · Delta Air Lines
First departure of the day
05:00 · American Airlines
Last departure of the day
17:46 · Delta Air Lines
Options in this snapshot
95
Airport codes
St Louis–STL, Cancun–CUN
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 95 flights appear in the dated route snapshot. Departures run through the day — the first flight leaves around 05:00 and the last around 17:46. The fastest flight takes about 5h 15m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $234, Afternoon from $234, Night from $355. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
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2
Compare search results
Sort or filter the St Louis–Cancun results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
Review the final price
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5
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UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.
Why Book Your Flight with FlyX?
Compare the available St Louis to Cancun options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Frequently Asked Questions
Is it worth booking St Louis to Cancun flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for St Louis to Cancun, Saturday shows the lowest fare at $234. That is an observed snapshot for these dates, not a rule that holds every week.
How far is St Louis from Cancun by air?
The direct air distance between St Louis (STL) and Cancun (CUN) is about 1,998 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from STL to CUN?
Not for the dates currently loaded - every St Louis to Cancun option showing right now has at least one stop. Non-stop service can differ by season and by day, so it is worth checking nearby dates before you decide.
Which airlines fly St Louis to Cancun?
American Airlines, United Airlines, Delta Air Lines and Air Canada are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from St Louis to Cancun?
Every option currently loaded has at least one stop, and the shortest total journey time is about 5h 15m including the layover. Non-stop service on this route can vary by season and by day.
What is the cheapest St Louis to Cancun flight fare?
The lowest fare showing on St Louis to Cancun for the dates currently loaded is $234. Fares on the same dates run up to $800, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do St Louis to Cancun flights depart?
For the dates currently loaded the first departure is around 05:00 and the last is around 17:46, local time at St Louis. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes STL–CUN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The STL to CUN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 1,997.63 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Lowest St Louis to Cancun airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$234
03/10/2026
Air Canada
08:55
Cheapest Airfare Within 30 Days
$229
13/10/2026
Air Canada
08:55
Cheapest Airfare Within 90 Days
$222
12/12/2026
Air Canada
08:55
Book St Louis to Cancun Flight Tickets on FlyX
Planning to fly from St Louis to Cancun? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
St Louis to Cancun Flight Distance, Duration and Time
The aerial distance between St Louis and Cancun is approximately 1,998 KM. The flight duration ranges from 5H :15 M up to 30H :09 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
St Louis to Cancun Flight Schedule and Timing
Around 95 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from St Louis at 05:00, while the last night flight leaves at 17:46. Flights depart from Lambert-St Louis Intl and land at Cancun.
Flight Route Details & Analysis
Flight Details
Information
Route
St Louis to Cancun
Aerial Distance
1,998 KM
Flight Duration
5H :15 M - 30H :09 M
Airport Codes
St Louis - STL, Cancun - CUN
Total Flights Available
95 flights (0 direct)
First Flight Departure
Departs at 05:00
Last Flight Departure
Departs at 17:46
Early Morning Flights (12 AM - 8 AM)
32 direct/indirect flights
Morning Flights (8 AM - 12 PM)
25 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
23 direct/indirect flights
Evening Flights (4 PM - 8 PM)
15 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
CUN: Cancun airport. Airport access in Cancun depends on arrival time, terminal, hotel location and local traffic. Confirm the airport name on the ticket, then choose between official taxi, app cab, airport bus, rail or hotel transfer based on luggage and time of day.
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Lambert-St Louis Intl
Cancun