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Saint Louis → Cancun

Dec 5, 2026 · return Dec 19, 2026

STL → CUN1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sat, Dec 5 – Sat, Dec 19

Frontier Airlines
6:00 amSTL
3h 14m
Nonstop
10:14 amCUN
Frontier Airlines
2:05 pmCUN
3h 20m
Nonstop
4:25 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Southwest Airlines
1:15 pmSTL
3h 5m
Nonstop
5:20 pmCUN
Southwest Airlines
3:15 pmCUN
3h 10m
Nonstop
5:25 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Southwest Airlines
10:20 amSTL
3h 5m
Nonstop
2:25 pmCUN
Southwest Airlines
10:45 amCUN
3h
Nonstop
12:45 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 5 – Sat, Dec 19

American Airlines
5:00 amSTL
6h 29m
CLT · 1h 25m
12:29 pmCUN
American Airlines
12:49 pmCUN
3h 32m
Nonstop
3:21 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Delta Air Lines
2:31 pmSTL
5h 37m
ATL · 1h 24m
9:08 pmCUN
Delta Air Lines
5:35 pmCUN
6h 51m
ATL · 2h 15m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Frontier Airlines
6:00 amSTL
3h 28m
Nonstop
10:28 amCUN
Frontier Airlines
11:28 amCUN
7h 14m
ATL · 2h 31m
5:42 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Southwest Airlines
12:20 pmSTL
3h 5m
Nonstop
4:25 pmCUN
Southwest Airlines
1:20 pmCUN
7h 10m
MSY · 3h 20m
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Southwest Airlines
8:00 amSTL
6h
MCI · 1h 35m
3:00 pmCUN
Southwest Airlines
10:45 amCUN
3h
Nonstop
12:45 pmSTL

Round-trip total · 1 adult · Taxes included

Sat, Dec 5 – Sat, Dec 19

Southwest Airlines
1:05 pmSTL
6h 20m
MDW · 1h 35m
8:25 pmCUN
Southwest Airlines
10:45 amCUN
3h
Nonstop
12:45 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ CUN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-05 → 2026-12-19Frontier AirlinesF986 / F987$390.002026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Southwest AirlinesWN1995 / WN1986$570.002026-10-29T01:28:25Z
2026-12-05 → 2026-12-19American AirlinesAA1992 + AA895 / AA3310$597.002026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Delta Air LinesDL1102 + DL1939 / DL595 + DL1403$606.002026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Southwest AirlinesWN1995 / WN1996$570.002026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Frontier AirlinesF986 / F9152 + F94473$372.502026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Southwest AirlinesWN1995 / WN1027 + WN3181$552.502026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Southwest AirlinesWN4164 + WN144 / WN1996$557.502026-10-29T01:28:25Z
2026-12-05 → 2026-12-19Southwest AirlinesWN1679 + WN218 / WN1996$557.502026-10-29T01:28:25Z

2026-12-05 → 2026-12-19 · $390.00

  • Frontier Airlines F986: STL 2026-12-05 06:00:00 → CUN 2026-12-05 10:14:00; nonstop; 194 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2026-12-19 14:05:00 → STL 2026-12-19 16:25:00; nonstop; 200 minutes. Local airport times.

2026-12-05 → 2026-12-19 · $570.00

  • Southwest Airlines WN1995: STL 2026-12-05 13:15:00 → CUN 2026-12-05 17:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2026-12-19 15:15:00 → STL 2026-12-19 17:25:00; nonstop; 190 minutes. Local airport times.

2026-12-05 → 2026-12-19 · $597.00

  • American Airlines AA1992 / AA895: STL 2026-12-05 05:00:00 → CUN 2026-12-05 12:29:00; 1 stop(s) via CLT; 389 minutes. Local airport times.
    • AA1992: STL 2026-12-05 05:00:00 → CLT 2026-12-05 07:55:00; layover at CLT: 85 minutes.
    • AA895: CLT 2026-12-05 09:20:00 → CUN 2026-12-05 12:29:00.
  • American Airlines AA3310: CUN 2026-12-19 12:49:00 → STL 2026-12-19 15:21:00; nonstop; 212 minutes. Local airport times.

2026-12-05 → 2026-12-19 · $606.00

  • Delta Air Lines DL1102 / DL1939: STL 2026-12-05 14:31:00 → CUN 2026-12-05 21:08:00; 1 stop(s) via ATL; 337 minutes. Local airport times.
    • DL1102: STL 2026-12-05 14:31:00 → ATL 2026-12-05 17:05:00; layover at ATL: 84 minutes.
    • DL1939: ATL 2026-12-05 18:29:00 → CUN 2026-12-05 21:08:00.
  • Delta Air Lines DL595 / DL1403: CUN 2026-12-19 17:35:00 → STL 2026-12-19 23:26:00; 1 stop(s) via ATL; 411 minutes. Local airport times.
    • DL595: CUN 2026-12-19 17:35:00 → ATL 2026-12-19 20:25:00; layover at ATL: 135 minutes.
    • DL1403: ATL 2026-12-19 22:40:00 → STL 2026-12-19 23:26:00.

2026-12-05 → 2026-12-19 · $570.00

  • Southwest Airlines WN1995: STL 2026-12-05 10:20:00 → CUN 2026-12-05 14:25:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1996: CUN 2026-12-19 10:45:00 → STL 2026-12-19 12:45:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-19 · $372.50

  • Frontier Airlines F986: STL 2026-12-05 06:00:00 → CUN 2026-12-05 10:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F9152 / F94473: CUN 2026-12-19 11:28:00 → STL 2026-12-19 17:42:00; 1 stop(s) via ATL; 434 minutes. Local airport times.
    • F9152: CUN 2026-12-19 11:28:00 → ATL 2026-12-19 14:18:00; layover at ATL: 151 minutes.
    • F94473: ATL 2026-12-19 16:49:00 → STL 2026-12-19 17:42:00.

2026-12-05 → 2026-12-19 · $552.50

  • Southwest Airlines WN1995: STL 2026-12-05 12:20:00 → CUN 2026-12-05 16:25:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1027 / WN3181: CUN 2026-12-19 13:20:00 → STL 2026-12-19 19:30:00; 1 stop(s) via MSY; 430 minutes. Local airport times.
    • WN1027: CUN 2026-12-19 13:20:00 → MSY 2026-12-19 14:25:00; layover at MSY: 200 minutes.
    • WN3181: MSY 2026-12-19 17:45:00 → STL 2026-12-19 19:30:00.

2026-12-05 → 2026-12-19 · $557.50

  • Southwest Airlines WN4164 / WN144: STL 2026-12-05 08:00:00 → CUN 2026-12-05 15:00:00; 1 stop(s) via MCI; 360 minutes. Local airport times.
    • WN4164: STL 2026-12-05 08:00:00 → MCI 2026-12-05 09:10:00; layover at MCI: 95 minutes.
    • WN144: MCI 2026-12-05 10:45:00 → CUN 2026-12-05 15:00:00.
  • Southwest Airlines WN1996: CUN 2026-12-19 10:45:00 → STL 2026-12-19 12:45:00; nonstop; 180 minutes. Local airport times.

2026-12-05 → 2026-12-19 · $557.50

  • Southwest Airlines WN1679 / WN218: STL 2026-12-05 13:05:00 → CUN 2026-12-05 20:25:00; 1 stop(s) via MDW; 380 minutes. Local airport times.
    • WN1679: STL 2026-12-05 13:05:00 → MDW 2026-12-05 14:10:00; layover at MDW: 95 minutes.
    • WN218: MDW 2026-12-05 15:45:00 → CUN 2026-12-05 20:25:00.
  • Southwest Airlines WN1996: CUN 2026-12-19 10:45:00 → STL 2026-12-19 12:45:00; nonstop; 180 minutes. Local airport times.

More dates for this route