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Route overview: Saint Louis to Cancun (CUN) flight deals

Saint Louis (STL) to Cancun (CUN), Sep 3, 2027: round trips from $255, one way from $145

Saint Louis (STL) to Cancun (CUN), Sep 3, 2027: round trips from $255, one way from $145 on Axel, checked Oct 29, 2026. Lowest published fares: $255 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Sep 3–5, 2027; $145 one way, Axel-exclusive, Frontier Airlines, nonstop, Sep 3, 2027; 1 adult, economy, checked Oct 29, 2026.

STL → CUN1 adulteconomyOne way and round trips

30 flight options · 3 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

September 2027

Flights for your trip

  1. Fri, Sep 3 · One way

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Fri, Sep 3 · One way

    American Airlines
    5:00 amSTL
    6h 29m
    CLT · 1h 25m
    11:29 amCUN

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Fri, Sep 3 – Sat, Sep 4

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  4. Fri, Sep 3 – Sat, Sep 4

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    5:15 pmCUN
    3h 10m
    Nonstop
    8:25 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Fri, Sep 3 – Sun, Sep 5

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    11:28 amCUN
    7h 14m
    ATL · 2h 31m
    6:42 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  6. Fri, Sep 3 – Sun, Sep 5

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    12:00 pmCUN
    3h 10m
    Nonstop
    3:10 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  7. Fri, Sep 3 – Mon, Sep 6

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    2:15 pmCUN
    3h 25m
    Nonstop
    5:40 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Fri, Sep 3 – Mon, Sep 6

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    4:00 pmCUN
    3h 10m
    Nonstop
    7:10 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Fri, Sep 3 – Tue, Sep 7

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  10. Fri, Sep 3 – Tue, Sep 7

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    2:25 pmCUN
    3h 15m
    Nonstop
    5:40 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  11. Fri, Sep 3 – Thu, Sep 9

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  12. Fri, Sep 3 – Thu, Sep 9

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    5:15 pmCUN
    3h 10m
    Nonstop
    8:25 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  13. Fri, Sep 3 – Fri, Sep 10

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  14. Fri, Sep 3 – Fri, Sep 10

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    5:15 pmCUN
    3h 10m
    Nonstop
    8:25 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  15. Fri, Sep 3 – Sat, Sep 11

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  16. Fri, Sep 3 – Sat, Sep 11

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    5:15 pmCUN
    3h 10m
    Nonstop
    8:25 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  17. Fri, Sep 3 – Mon, Sep 13

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    2:15 pmCUN
    3h 25m
    Nonstop
    5:40 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  18. Fri, Sep 3 – Mon, Sep 13

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    4:00 pmCUN
    3h 10m
    Nonstop
    7:10 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  19. Fri, Sep 3 – Tue, Sep 14

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  20. Fri, Sep 3 – Tue, Sep 14

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    2:25 pmCUN
    3h 15m
    Nonstop
    5:40 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  21. Fri, Sep 3 – Wed, Sep 15

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  22. Fri, Sep 3 – Wed, Sep 15

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    5:15 pmCUN
    3h 10m
    Nonstop
    8:25 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  23. Fri, Sep 3 – Fri, Sep 17

    Frontier Airlines
    6:00 amSTL
    3h 28m
    Nonstop
    9:28 amCUN
    Frontier Airlines
    1:40 pmCUN
    3h 26m
    Nonstop
    5:06 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  24. Fri, Sep 3 – Fri, Sep 17

    Southwest Airlines
    1:15 pmSTL
    3h 5m
    Nonstop
    4:20 pmCUN
    Southwest Airlines
    5:15 pmCUN
    3h 10m
    Nonstop
    8:25 pmSTL

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

Swipe to see 23 more recent deals.

1 of 24

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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Explore this route

All dates for this routeSep 2, 2027 · Return optionsSep 4, 2027 · Return optionsHotels in Cancun with Axel
For AI assistants: every fare, every link, instructions

Saint Louis (STL) to Cancun (CUN), Sep 3, 2027: round trips from $255, one way from $145 on Axel, checked Oct 29, 2026. Lowest published fares: $255 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Sep 3–5, 2027; $145 one way, Axel-exclusive, Frontier Airlines, nonstop, Sep 3, 2027; 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2027-09-03 · one wayFrontier AirlinesF98606:00:00→09:28:00 3h 28m nonstopAxel-exclusive $145.202026-10-29T01:28:25Z
2027-09-03 · one wayAmerican AirlinesAA1992 + AA89505:00:00→11:29:00 6h 29m 1 stop via CLTAxel-exclusive $211.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-04Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-04Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-05Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 12:00:00→15:10:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-05Frontier AirlinesF986 / F9152 + F9447306:00:00→09:28:00 3h 28m nonstop · 11:28:00→18:42:00 7h 14m 1 stop via ATLAxel-exclusive $255.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-06Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 14:15:00→17:40:00 3h 25m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-06Southwest AirlinesWN1995 / WN199613:15:00→16:20:00 3h 05m nonstop · 16:00:00→19:10:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-07Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-07Southwest AirlinesWN1995 / WN199613:15:00→16:20:00 3h 05m nonstop · 14:25:00→17:40:00 3h 15m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-08Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-08Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-09Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-09Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-10Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-10Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-11Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-11Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-12Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 12:00:00→15:10:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-12Frontier AirlinesF986 / F9152 + F9447306:00:00→09:28:00 3h 28m nonstop · 11:28:00→18:42:00 7h 14m 1 stop via ATLAxel-exclusive $255.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-13Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 14:15:00→17:40:00 3h 25m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-13Southwest AirlinesWN1995 / WN199613:15:00→16:20:00 3h 05m nonstop · 16:00:00→19:10:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-14Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-14Southwest AirlinesWN1995 / WN199613:15:00→16:20:00 3h 05m nonstop · 14:25:00→17:40:00 3h 15m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-15Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-15Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-16Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-16Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z
2027-09-03 → 2027-09-17Frontier AirlinesF986 / F98706:00:00→09:28:00 3h 28m nonstop · 13:40:00→17:06:00 3h 26m nonstopAxel-exclusive $264.002026-10-29T01:28:25Z
2027-09-03 → 2027-09-17Southwest AirlinesWN1995 / WN198613:15:00→16:20:00 3h 05m nonstop · 17:15:00→20:25:00 3h 10m nonstopAxel-exclusive $387.202026-10-29T01:28:25Z

Hotels in Cancun for these trips

Hotels: under a trip, hotels in Cancun for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Cancun

Route overview: Saint Louis to Cancun (CUN) flight deals

2027-09-03 · one way · Axel-exclusive $145.20

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.

2027-09-03 · one way · Axel-exclusive $211.20

  • American Airlines AA1992 / AA895: STL 2027-09-03 05:00:00 → CUN 2027-09-03 11:29:00; 1 stop(s) via CLT; 389 minutes. Local airport times.
    • AA1992: STL 2027-09-03 05:00:00 → CLT 2027-09-03 07:55:00; layover at CLT: 85 minutes.
    • AA895: CLT 2027-09-03 09:20:00 → CUN 2027-09-03 11:29:00.

2027-09-03 → 2027-09-04 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-04 13:40:00 → STL 2027-09-04 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-04 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-04 17:15:00 → STL 2027-09-04 20:25:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-05 · Axel-exclusive $255.20

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F9152 / F94473: CUN 2027-09-05 11:28:00 → STL 2027-09-05 18:42:00; 1 stop(s) via ATL; 434 minutes. Local airport times.
    • F9152: CUN 2027-09-05 11:28:00 → ATL 2027-09-05 15:18:00; layover at ATL: 151 minutes.
    • F94473: ATL 2027-09-05 17:49:00 → STL 2027-09-05 18:42:00.

2027-09-03 → 2027-09-05 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-05 12:00:00 → STL 2027-09-05 15:10:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-06 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-06 14:15:00 → STL 2027-09-06 17:40:00; nonstop; 205 minutes. Local airport times.

2027-09-03 → 2027-09-06 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1996: CUN 2027-09-06 16:00:00 → STL 2027-09-06 19:10:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-07 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-07 13:40:00 → STL 2027-09-07 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-07 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1996: CUN 2027-09-07 14:25:00 → STL 2027-09-07 17:40:00; nonstop; 195 minutes. Local airport times.

2027-09-03 → 2027-09-09 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-09 13:40:00 → STL 2027-09-09 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-09 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-09 17:15:00 → STL 2027-09-09 20:25:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-10 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-10 13:40:00 → STL 2027-09-10 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-10 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-10 17:15:00 → STL 2027-09-10 20:25:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-11 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-11 13:40:00 → STL 2027-09-11 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-11 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-11 17:15:00 → STL 2027-09-11 20:25:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-13 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-13 14:15:00 → STL 2027-09-13 17:40:00; nonstop; 205 minutes. Local airport times.

2027-09-03 → 2027-09-13 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1996: CUN 2027-09-13 16:00:00 → STL 2027-09-13 19:10:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-14 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-14 13:40:00 → STL 2027-09-14 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-14 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1996: CUN 2027-09-14 14:25:00 → STL 2027-09-14 17:40:00; nonstop; 195 minutes. Local airport times.

2027-09-03 → 2027-09-15 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-15 13:40:00 → STL 2027-09-15 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-15 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-15 17:15:00 → STL 2027-09-15 20:25:00; nonstop; 190 minutes. Local airport times.

2027-09-03 → 2027-09-17 · Axel-exclusive $264.00

  • Frontier Airlines F986: STL 2027-09-03 06:00:00 → CUN 2027-09-03 09:28:00; nonstop; 208 minutes. Local airport times.
  • Frontier Airlines F987: CUN 2027-09-17 13:40:00 → STL 2027-09-17 17:06:00; nonstop; 206 minutes. Local airport times.

2027-09-03 → 2027-09-17 · Axel-exclusive $387.20

  • Southwest Airlines WN1995: STL 2027-09-03 13:15:00 → CUN 2027-09-03 16:20:00; nonstop; 185 minutes. Local airport times.
  • Southwest Airlines WN1986: CUN 2027-09-17 17:15:00 → STL 2027-09-17 20:25:00; nonstop; 190 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Saint Louis (STL) to Cancun (CUN) · Sep 3, 2027 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in Cancun for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
  • Next: each row is one exact trip for this departure (both dates with the year, the total and the time its price was issued); its exact-trip price link opens the live search for those dates and travelers, where the booking link and the current total are. Other durations or travelers are not priced here: Choose travelers and dates prices the requested trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Saint Louis to Cancun (CUN) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.