Travel with Axel,
get the best price.

San Juan → Miami

Dec 21, 2026 · return Dec 22, 2026

SJU → MIA1 adulteconomyRound trip

6 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Tue, Dec 22

Frontier Airlines
6:00 amSJU
2h 52m
Nonstop
7:52 amMIA
Frontier Airlines
10:17 pmMIA
2h 41m
Nonstop
1:58 am+1SJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

American Airlines
11:41 amSJU
2h 56m
Nonstop
1:37 pmMIA
American Airlines
6:00 amMIA
2h 36m
Nonstop
9:36 amSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Frontier Airlines
3:28 amSJU
3h 8m
Nonstop
5:36 amMIA
Frontier Airlines
11:09 pmMIA
2h 40m
Nonstop
2:49 am+1SJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

American Airlines
6:55 pmSJU
3h 2m
Nonstop
8:57 pmMIA
American Airlines
6:00 amMIA
2h 36m
Nonstop
9:36 amSJU

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Tue, Dec 22

DM
10:49 amSJU
6h 34m
PUJ · 2h 46m
4:23 pmMIA
DM
8:00 amMIA
6h 3m
PUJ · 2h 22m
3:03 pmSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Southwest Airlines
5:35 amSJU
7h 20m
MCO · 2h 55m
11:55 amMIA
Southwest Airlines
5:35 pmMIA
6h 15m
MCO · 2h 5m
12:50 am+1SJU

Round-trip total · 1 adult · Taxes included

Make this trip yours

SJU ⇄ 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, Frontier 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)
2026-12-21 → 2026-12-22Frontier AirlinesF93377 / F91378$252.002026-10-29T01:23:44Z
2026-12-21 → 2026-12-22American AirlinesAA3019 / AA3250$434.002026-10-29T01:23:44Z
2026-12-21 → 2026-12-22DMDM1001 + DM5104 / DM5171 + DM1002$504.002026-10-29T01:23:44Z
2026-12-21 → 2026-12-22Southwest AirlinesWN4666 + WN1774 / WN1399 + WN2674$546.002026-10-29T01:23:44Z
2026-12-21 → 2026-12-22Frontier AirlinesF93377 / F93378$252.002026-10-29T01:23:44Z
2026-12-21 → 2026-12-22American AirlinesAA1870 / AA3250$434.002026-10-29T01:23:44Z

2026-12-21 → 2026-12-22 · $252.00

  • Frontier Airlines F93377: SJU 2026-12-21 06:00:00 → MIA 2026-12-21 07:52:00; nonstop; 172 minutes. Local airport times.
  • Frontier Airlines F91378: MIA 2026-12-22 22:17:00 → SJU 2026-12-23 01:58:00; nonstop; 161 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $434.00

  • American Airlines AA3019: SJU 2026-12-21 11:41:00 → MIA 2026-12-21 13:37:00; nonstop; 176 minutes. Local airport times.
  • American Airlines AA3250: MIA 2026-12-22 06:00:00 → SJU 2026-12-22 09:36:00; nonstop; 156 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $504.00

  • DM DM1001 / DM5104: SJU 2026-12-21 10:49:00 → MIA 2026-12-21 16:23:00; 1 stop(s) via PUJ; 394 minutes. Local airport times.
    • DM1001: SJU 2026-12-21 10:49:00 → PUJ 2026-12-21 11:50:00; layover at PUJ: 166 minutes.
    • DM5104: PUJ 2026-12-21 14:36:00 → MIA 2026-12-21 16:23:00.
  • DM DM5171 / DM1002: MIA 2026-12-22 08:00:00 → SJU 2026-12-22 15:03:00; 1 stop(s) via PUJ; 363 minutes. Local airport times.
    • DM5171: MIA 2026-12-22 08:00:00 → PUJ 2026-12-22 11:36:00; layover at PUJ: 142 minutes.
    • DM1002: PUJ 2026-12-22 13:58:00 → SJU 2026-12-22 15:03:00.

2026-12-21 → 2026-12-22 · $546.00

  • Southwest Airlines WN4666 / WN1774: SJU 2026-12-21 05:35:00 → MIA 2026-12-21 11:55:00; 1 stop(s) via MCO; 440 minutes. Local airport times.
    • WN4666: SJU 2026-12-21 05:35:00 → MCO 2026-12-21 07:45:00; layover at MCO: 175 minutes.
    • WN1774: MCO 2026-12-21 10:40:00 → MIA 2026-12-21 11:55:00.
  • Southwest Airlines WN1399 / WN2674: MIA 2026-12-22 17:35:00 → SJU 2026-12-23 00:50:00; 1 stop(s) via MCO; 375 minutes. Local airport times.
    • WN1399: MIA 2026-12-22 17:35:00 → MCO 2026-12-22 18:55:00; layover at MCO: 125 minutes.
    • WN2674: MCO 2026-12-22 21:00:00 → SJU 2026-12-23 00:50:00.

2026-12-21 → 2026-12-22 · $252.00

  • Frontier Airlines F93377: SJU 2026-12-21 03:28:00 → MIA 2026-12-21 05:36:00; nonstop; 188 minutes. Local airport times.
  • Frontier Airlines F93378: MIA 2026-12-22 23:09:00 → SJU 2026-12-23 02:49:00; nonstop; 160 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $434.00

  • American Airlines AA1870: SJU 2026-12-21 18:55:00 → MIA 2026-12-21 20:57:00; nonstop; 182 minutes. Local airport times.
  • American Airlines AA3250: MIA 2026-12-22 06:00:00 → SJU 2026-12-22 09:36:00; nonstop; 156 minutes. Local airport times.

More dates for this route