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Saint Louis → Cancun

Dec 2, 2026 · return Dec 6, 2026

STL → CUN1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Wed, Dec 2 – Sun, Dec 6

Frontier Airlines
6:20 amSTL
3h 14m
Nonstop
10:34 amCUN
Frontier Airlines
2:05 pmCUN
3h 20m
Nonstop
4:25 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
10:20 amSTL
3h 5m
Nonstop
2:25 pmCUN
Southwest Airlines
12:00 pmCUN
3h 10m
Nonstop
2:10 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
1:15 pmSTL
3h 5m
Nonstop
5:20 pmCUN
Southwest Airlines
4:00 pmCUN
3h 10m
Nonstop
6:10 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Sun, Dec 6

United Airlines
5:25 amSTL
7h 18m
ORD · 1h 42m
1:43 pmCUN
United Airlines
8:39 amCUN
6h 37m
IAH · 2h
2:16 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

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

Wed, Dec 2 – Sun, Dec 6

Frontier Airlines
6:05 amSTL
3h 14m
Nonstop
10:19 amCUN
Frontier Airlines
11:28 amCUN
7h 14m
ATL · 2h 31m
5:42 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
8:00 amSTL
6h
MCI · 1h 35m
3:00 pmCUN
Southwest Airlines
12:00 pmCUN
3h 10m
Nonstop
2:10 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
1:05 pmSTL
6h 20m
MDW · 1h 35m
8:25 pmCUN
Southwest Airlines
12:00 pmCUN
3h 10m
Nonstop
2:10 pmSTL

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Southwest Airlines
12:20 pmSTL
3h 5m
Nonstop
4:25 pmCUN
Southwest Airlines
2:45 pmCUN
7h
BNA · 2h 55m
8:45 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)
2026-12-02 → 2026-12-06Frontier AirlinesF986 / F987$325.002026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Southwest AirlinesWN1995 / WN1986$475.002026-10-29T01:28:25Z
2026-12-02 → 2026-12-06United AirlinesUA4439 + UA2371 / UA1059 + UA6243$495.002026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Delta Air LinesDL1102 + DL1939 / DL595 + DL1403$505.002026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Southwest AirlinesWN1995 / WN1996$475.002026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Frontier AirlinesF986 / F9152 + F94473$312.502026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Southwest AirlinesWN4164 + WN144 / WN1986$462.502026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Southwest AirlinesWN1679 + WN218 / WN1986$462.502026-10-29T01:28:25Z
2026-12-02 → 2026-12-06Southwest AirlinesWN1995 / WN390 + WN742$462.502026-10-29T01:28:25Z

2026-12-02 → 2026-12-06 · $325.00

  • Frontier Airlines F986: STL 2026-12-02 06:20:00 → CUN 2026-12-02 10:34:00; nonstop; 194 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2026-12-06 14:05:00 → STL 2026-12-06 16:25:00; nonstop; 200 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $475.00

  • Southwest Airlines WN1995: STL 2026-12-02 10:20:00 → CUN 2026-12-02 14:25:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2026-12-06 12:00:00 → STL 2026-12-06 14:10:00; nonstop; 190 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $495.00

  • United Airlines UA4439 / UA2371: STL 2026-12-02 05:25:00 → CUN 2026-12-02 13:43:00; 1 stop(s) via ORD; 438 minutes. Local airport times.
    • UA4439: STL 2026-12-02 05:25:00 → ORD 2026-12-02 06:58:00; layover at ORD: 102 minutes.
    • UA2371: ORD 2026-12-02 08:40:00 → CUN 2026-12-02 13:43:00.
  • United Airlines UA1059 / UA6243: CUN 2026-12-06 08:39:00 → STL 2026-12-06 14:16:00; 1 stop(s) via IAH; 397 minutes. Local airport times.
    • UA1059: CUN 2026-12-06 08:39:00 → IAH 2026-12-06 10:10:00; layover at IAH: 120 minutes.
    • UA6243: IAH 2026-12-06 12:10:00 → STL 2026-12-06 14:16:00.

2026-12-02 → 2026-12-06 · $505.00

  • Delta Air Lines DL1102 / DL1939: STL 2026-12-02 14:31:00 → CUN 2026-12-02 21:08:00; 1 stop(s) via ATL; 337 minutes. Local airport times.
    • DL1102: STL 2026-12-02 14:31:00 → ATL 2026-12-02 17:05:00; layover at ATL: 84 minutes.
    • DL1939: ATL 2026-12-02 18:29:00 → CUN 2026-12-02 21:08:00.
  • Delta Air Lines DL595 / DL1403: CUN 2026-12-06 17:35:00 → STL 2026-12-06 23:26:00; 1 stop(s) via ATL; 411 minutes. Local airport times.
    • DL595: CUN 2026-12-06 17:35:00 → ATL 2026-12-06 20:25:00; layover at ATL: 135 minutes.
    • DL1403: ATL 2026-12-06 22:40:00 → STL 2026-12-06 23:26:00.

2026-12-02 → 2026-12-06 · $475.00

  • Southwest Airlines WN1995: STL 2026-12-02 13:15:00 → CUN 2026-12-02 17:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1996: CUN 2026-12-06 16:00:00 → STL 2026-12-06 18:10:00; nonstop; 190 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $312.50

  • Frontier Airlines F986: STL 2026-12-02 06:05:00 → CUN 2026-12-02 10:19:00; nonstop; 194 minutes. Local airport times.
  • Frontier Airlines F9152 / F94473: CUN 2026-12-06 11:28:00 → STL 2026-12-06 17:42:00; 1 stop(s) via ATL; 434 minutes. Local airport times.
    • F9152: CUN 2026-12-06 11:28:00 → ATL 2026-12-06 14:18:00; layover at ATL: 151 minutes.
    • F94473: ATL 2026-12-06 16:49:00 → STL 2026-12-06 17:42:00.

2026-12-02 → 2026-12-06 · $462.50

  • Southwest Airlines WN4164 / WN144: STL 2026-12-02 08:00:00 → CUN 2026-12-02 15:00:00; 1 stop(s) via MCI; 360 minutes. Local airport times.
    • WN4164: STL 2026-12-02 08:00:00 → MCI 2026-12-02 09:10:00; layover at MCI: 95 minutes.
    • WN144: MCI 2026-12-02 10:45:00 → CUN 2026-12-02 15:00:00.
  • Southwest Airlines WN1986: CUN 2026-12-06 12:00:00 → STL 2026-12-06 14:10:00; nonstop; 190 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $462.50

  • Southwest Airlines WN1679 / WN218: STL 2026-12-02 13:05:00 → CUN 2026-12-02 20:25:00; 1 stop(s) via MDW; 380 minutes. Local airport times.
    • WN1679: STL 2026-12-02 13:05:00 → MDW 2026-12-02 14:10:00; layover at MDW: 95 minutes.
    • WN218: MDW 2026-12-02 15:45:00 → CUN 2026-12-02 20:25:00.
  • Southwest Airlines WN1986: CUN 2026-12-06 12:00:00 → STL 2026-12-06 14:10:00; nonstop; 190 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $462.50

  • Southwest Airlines WN1995: STL 2026-12-02 12:20:00 → CUN 2026-12-02 16:25:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN390 / WN742: CUN 2026-12-06 14:45:00 → STL 2026-12-06 20:45:00; 1 stop(s) via BNA; 420 minutes. Local airport times.
    • WN390: CUN 2026-12-06 14:45:00 → BNA 2026-12-06 16:35:00; layover at BNA: 175 minutes.
    • WN742: BNA 2026-12-06 19:30:00 → STL 2026-12-06 20:45:00.

More dates for this route