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

Saint Louis (STL) to Cancun (CUN), Sep 3, 2027: from $145 one way on Axel, checked Oct 29, 2026. Lowest published fare: $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.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel dates Airline Flights Times, duration, stops Total price Price issued (UTC)
2027-09-03 · one way Frontier Airlines F986 06:00:00→09:28:00 3h 28m nonstop Axel-exclusive $145.20 2026-10-29T01:28:25Z
2027-09-03 · one way Southwest Airlines WN1985 09:20:00→12:25:00 3h 05m nonstop Axel-exclusive $211.20 2026-10-29T01:28:25Z
2027-09-03 · one way American Airlines AA1992 + AA895 05:00:00→11:29:00 6h 29m 1 stop via CLT Axel-exclusive $211.20 2026-10-29T01:28:25Z
2027-09-03 · one way United Airlines UA4439 + UA2371 05:25:00→12:43:00 7h 18m 1 stop via ORD Axel-exclusive $220.00 2026-10-29T01:28:25Z
2027-09-03 · one way Delta Air Lines DL1102 + DL1939 14:31:00→20:08:00 5h 37m 1 stop via ATL Axel-exclusive $224.40 2026-10-29T01:28:25Z
2027-09-03 · one way Southwest Airlines WN1995 13:15:00→16:20:00 3h 05m nonstop Axel-exclusive $211.20 2026-10-29T01:28:25Z
2027-09-03 · one way Southwest Airlines WN1679 + WN218 13:05:00→19:25:00 6h 20m 1 stop via MDW Axel-exclusive $198.00 2026-10-29T01:28:25Z
2027-09-03 · one way Southwest Airlines WN4164 + WN144 08:00:00→14:00:00 6h 00m 1 stop via MCI Axel-exclusive $198.00 2026-10-29T01:28:25Z
2027-09-03 · one way Southwest Airlines WN3155 + WN305 11:45:00→18:45:00 7h 00m 1 stop via HOU Axel-exclusive $198.00 2026-10-29T01:28:25Z

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

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

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

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

2027-09-03 · one way · Axel-exclusive $220.00

2027-09-03 · one way · Axel-exclusive $224.40

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

2027-09-03 · one way · Axel-exclusive $198.00

2027-09-03 · one way · Axel-exclusive $198.00

2027-09-03 · one way · Axel-exclusive $198.00

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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