Travel with Axel,
get the best price.

Saint Louis → Miami

Dec 13, 2026 · return Dec 15, 2026

STL → MIA1 adulteconomyRound trip

10 flight options · 3 airlines

Nonstop flights

Sun, Dec 13 – Tue, Dec 15

Southwest Airlines
3:25 pmSTL
2h 35m
Nonstop
7:00 pmMIA
Southwest Airlines
5:30 pmMIA
3h
Nonstop
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

American Airlines
5:03 amSTL
2h 55m
Nonstop
8:58 amMIA
American Airlines
1:40 pmMIA
3h 4m
Nonstop
3:44 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

Southwest Airlines
10:00 amSTL
2h 40m
Nonstop
1:40 pmMIA
Southwest Airlines
5:30 pmMIA
3h
Nonstop
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

American Airlines
10:37 amSTL
2h 43m
Nonstop
2:20 pmMIA
American Airlines
1:40 pmMIA
3h 4m
Nonstop
3:44 pmSTL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Tue, Dec 15

Delta Air Lines
2:31 pmSTL
5h 28m
ATL · 1h 54m
8:59 pmMIA
Delta Air Lines
8:05 amMIA
6h 25m
DTW · 1h 33m
1:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

Southwest Airlines
10:15 amSTL
6h 25m
CMH · 2h 35m
5:40 pmMIA
Southwest Airlines
5:30 pmMIA
3h
Nonstop
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

Southwest Airlines
5:30 amSTL
5h 10m
MDW · 1h 5m
11:40 amMIA
Southwest Airlines
5:30 pmMIA
3h
Nonstop
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

Southwest Airlines
8:00 amSTL
5h 35m
MCI · 1h 25m
2:35 pmMIA
Southwest Airlines
5:30 pmMIA
3h
Nonstop
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

Southwest Airlines
8:35 amSTL
6h 20m
DAL · 1h 55m
3:55 pmMIA
Southwest Airlines
5:30 pmMIA
3h
Nonstop
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Tue, Dec 15

American Airlines
3:40 pmSTL
6h 12m
DCA · 1h 13m
10:52 pmMIA
American Airlines
1:40 pmMIA
3h 4m
Nonstop
3:44 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ MIA

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

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)
2026-12-13 → 2026-12-15Southwest AirlinesWN4943 / WN3522$325.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15American AirlinesAA2981 / AA764$330.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15Delta Air LinesDL1102 + DL1588 / DL2638 + DL1371$340.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15Southwest AirlinesWN4888 / WN3522$325.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15American AirlinesAA3659 / AA764$330.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15Southwest AirlinesWN2994 + WN389 / WN3522$310.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15Southwest AirlinesWN4173 + WN2383 / WN3522$310.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15Southwest AirlinesWN4164 + WN833 / WN3522$310.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15Southwest AirlinesWN1327 + WN187 / WN3522$310.002026-10-29T01:28:47Z
2026-12-13 → 2026-12-15American AirlinesAA4769 + AA2013 / AA764$317.502026-10-29T01:28:47Z

2026-12-13 → 2026-12-15 · $325.00

  • Southwest Airlines WN4943: STL 2026-12-13 15:25:00 → MIA 2026-12-13 19:00:00; nonstop; 155 minutes. Local airport times.
  • Southwest Airlines WN3522: MIA 2026-12-15 17:30:00 → STL 2026-12-15 19:30:00; nonstop; 180 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $330.00

  • American Airlines AA2981: STL 2026-12-13 05:03:00 → MIA 2026-12-13 08:58:00; nonstop; 175 minutes. Local airport times.
  • American Airlines AA764: MIA 2026-12-15 13:40:00 → STL 2026-12-15 15:44:00; nonstop; 184 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $340.00

  • Delta Air Lines DL1102 / DL1588: STL 2026-12-13 14:31:00 → MIA 2026-12-13 20:59:00; 1 stop(s) via ATL; 328 minutes. Local airport times.
    • DL1102: STL 2026-12-13 14:31:00 → ATL 2026-12-13 17:05:00; layover at ATL: 114 minutes.
    • DL1588: ATL 2026-12-13 18:59:00 → MIA 2026-12-13 20:59:00.
  • Delta Air Lines DL2638 / DL1371: MIA 2026-12-15 08:05:00 → STL 2026-12-15 13:30:00; 1 stop(s) via DTW; 385 minutes. Local airport times.
    • DL2638: MIA 2026-12-15 08:05:00 → DTW 2026-12-15 11:10:00; layover at DTW: 93 minutes.
    • DL1371: DTW 2026-12-15 12:43:00 → STL 2026-12-15 13:30:00.

2026-12-13 → 2026-12-15 · $325.00

  • Southwest Airlines WN4888: STL 2026-12-13 10:00:00 → MIA 2026-12-13 13:40:00; nonstop; 160 minutes. Local airport times.
  • Southwest Airlines WN3522: MIA 2026-12-15 17:30:00 → STL 2026-12-15 19:30:00; nonstop; 180 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $330.00

  • American Airlines AA3659: STL 2026-12-13 10:37:00 → MIA 2026-12-13 14:20:00; nonstop; 163 minutes. Local airport times.
  • American Airlines AA764: MIA 2026-12-15 13:40:00 → STL 2026-12-15 15:44:00; nonstop; 184 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $310.00

  • Southwest Airlines WN2994 / WN389: STL 2026-12-13 10:15:00 → MIA 2026-12-13 17:40:00; 1 stop(s) via CMH; 385 minutes. Local airport times.
    • WN2994: STL 2026-12-13 10:15:00 → CMH 2026-12-13 12:30:00; layover at CMH: 155 minutes.
    • WN389: CMH 2026-12-13 15:05:00 → MIA 2026-12-13 17:40:00.
  • Southwest Airlines WN3522: MIA 2026-12-15 17:30:00 → STL 2026-12-15 19:30:00; nonstop; 180 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $310.00

  • Southwest Airlines WN4173 / WN2383: STL 2026-12-13 05:30:00 → MIA 2026-12-13 11:40:00; 1 stop(s) via MDW; 310 minutes. Local airport times.
    • WN4173: STL 2026-12-13 05:30:00 → MDW 2026-12-13 06:35:00; layover at MDW: 65 minutes.
    • WN2383: MDW 2026-12-13 07:40:00 → MIA 2026-12-13 11:40:00.
  • Southwest Airlines WN3522: MIA 2026-12-15 17:30:00 → STL 2026-12-15 19:30:00; nonstop; 180 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $310.00

  • Southwest Airlines WN4164 / WN833: STL 2026-12-13 08:00:00 → MIA 2026-12-13 14:35:00; 1 stop(s) via MCI; 335 minutes. Local airport times.
    • WN4164: STL 2026-12-13 08:00:00 → MCI 2026-12-13 09:10:00; layover at MCI: 85 minutes.
    • WN833: MCI 2026-12-13 10:35:00 → MIA 2026-12-13 14:35:00.
  • Southwest Airlines WN3522: MIA 2026-12-15 17:30:00 → STL 2026-12-15 19:30:00; nonstop; 180 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $310.00

  • Southwest Airlines WN1327 / WN187: STL 2026-12-13 08:35:00 → MIA 2026-12-13 15:55:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
    • WN1327: STL 2026-12-13 08:35:00 → DAL 2026-12-13 10:20:00; layover at DAL: 115 minutes.
    • WN187: DAL 2026-12-13 12:15:00 → MIA 2026-12-13 15:55:00.
  • Southwest Airlines WN3522: MIA 2026-12-15 17:30:00 → STL 2026-12-15 19:30:00; nonstop; 180 minutes. Local airport times.

2026-12-13 → 2026-12-15 · $317.50

  • American Airlines AA4769 / AA2013: STL 2026-12-13 15:40:00 → MIA 2026-12-13 22:52:00; 1 stop(s) via DCA; 372 minutes. Local airport times.
    • AA4769: STL 2026-12-13 15:40:00 → DCA 2026-12-13 18:46:00; layover at DCA: 73 minutes.
    • AA2013: DCA 2026-12-13 19:59:00 → MIA 2026-12-13 22:52:00.
  • American Airlines AA764: MIA 2026-12-15 13:40:00 → STL 2026-12-15 15:44:00; nonstop; 184 minutes. Local airport times.

More dates for this route