Travel with Axel,
get the best price.

Charlotte → San Juan

Dec 21, 2026 · return Dec 24, 2026

CLT → SJU1 adulteconomyRound trip

9 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
5:42 pmCLT
3h 38m
Nonstop
10:20 pmSJU
Frontier Airlines
1:40 pmSJU
4h 7m
Nonstop
4:47 pmCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
11:01 amCLT
3h 40m
Nonstop
3:41 pmSJU
American Airlines
6:48 amSJU
3h 57m
Nonstop
9:45 amCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
4:35 pmCLT
3h 38m
Nonstop
9:13 pmSJU
American Airlines
6:48 amSJU
3h 57m
Nonstop
9:45 amCLT

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 24

JetBlue Airways
3:40 pmCLT
6h 48m
FLL · 2h 11m
11:28 pmSJU
JetBlue Airways
3:50 pmSJU
8h 9m
FLL · 3h 13m
10:59 pmCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
6:40 amCLT
7h
BNA · 1h 35m
2:40 pmSJU
Southwest Airlines
2:05 pmSJU
8h 35m
BWI · 2h 50m
9:40 pmCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
6:02 amCLT
7h 38m
EWR · 1h 50m
2:40 pmSJU
American Airlines
6:48 amSJU
3h 57m
Nonstop
9:45 amCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
6:01 pmCLT
7h 10m
MIA · 2h 13m
2:11 am+1SJU
Frontier Airlines
1:40 pmSJU
4h 7m
Nonstop
4:47 pmCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
4:22 pmCLT
6h 7m
MCO · 1h 19m
11:29 pmSJU
Frontier Airlines
1:40 pmSJU
4h 7m
Nonstop
4:47 pmCLT

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
5:00 amCLT
6h 34m
MIA · 1h 47m
12:34 pmSJU
American Airlines
6:48 amSJU
3h 57m
Nonstop
9:45 amCLT

Round-trip total · 1 adult · Taxes included

Make this trip yours

CLT ⇄ SJU

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 → 2026-12-24Frontier AirlinesF93004 / F93003$330.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24American AirlinesAA2150 / AA3324$615.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24JetBlue AirwaysB61148 + B6653 / B62252 + B62149$510.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24Southwest AirlinesWN1225 + WN2356 / WN4916 + WN4030$540.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24United Airlines / American AirlinesUA798 + UA1556 / AA3324$585.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24American AirlinesAA2098 / AA3324$615.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24Frontier AirlinesF93699 + F93378 / F93003$315.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24Frontier AirlinesF91445 + F91746 / F93003$315.002026-10-29T00:58:35Z
2026-12-21 → 2026-12-24American AirlinesAA2960 + AA2141 / AA3324$570.002026-10-29T00:58:35Z

2026-12-21 → 2026-12-24 · $330.00

  • Frontier Airlines F93004: CLT 2026-12-21 17:42:00 → SJU 2026-12-21 22:20:00; nonstop; 218 minutes. Local airport times.
  • Frontier Airlines F93003: SJU 2026-12-24 13:40:00 → CLT 2026-12-24 16:47:00; nonstop; 247 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $615.00

  • American Airlines AA2150: CLT 2026-12-21 11:01:00 → SJU 2026-12-21 15:41:00; nonstop; 220 minutes. Local airport times.
  • American Airlines AA3324: SJU 2026-12-24 06:48:00 → CLT 2026-12-24 09:45:00; nonstop; 237 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $510.00

  • JetBlue Airways B61148 / B6653: CLT 2026-12-21 15:40:00 → SJU 2026-12-21 23:28:00; 1 stop(s) via FLL; 408 minutes. Local airport times.
    • B61148: CLT 2026-12-21 15:40:00 → FLL 2026-12-21 17:44:00; layover at FLL: 131 minutes.
    • B6653: FLL 2026-12-21 19:55:00 → SJU 2026-12-21 23:28:00.
  • JetBlue Airways B62252 / B62149: SJU 2026-12-24 15:50:00 → CLT 2026-12-24 22:59:00; 1 stop(s) via FLL; 489 minutes. Local airport times.
    • B62252: SJU 2026-12-24 15:50:00 → FLL 2026-12-24 17:41:00; layover at FLL: 193 minutes.
    • B62149: FLL 2026-12-24 20:54:00 → CLT 2026-12-24 22:59:00.

2026-12-21 → 2026-12-24 · $540.00

  • Southwest Airlines WN1225 / WN2356: CLT 2026-12-21 06:40:00 → SJU 2026-12-21 14:40:00; 1 stop(s) via BNA; 420 minutes. Local airport times.
    • WN1225: CLT 2026-12-21 06:40:00 → BNA 2026-12-21 07:10:00; layover at BNA: 95 minutes.
    • WN2356: BNA 2026-12-21 08:45:00 → SJU 2026-12-21 14:40:00.
  • Southwest Airlines WN4916 / WN4030: SJU 2026-12-24 14:05:00 → CLT 2026-12-24 21:40:00; 1 stop(s) via BWI; 515 minutes. Local airport times.
    • WN4916: SJU 2026-12-24 14:05:00 → BWI 2026-12-24 17:10:00; layover at BWI: 170 minutes.
    • WN4030: BWI 2026-12-24 20:00:00 → CLT 2026-12-24 21:40:00.

2026-12-21 → 2026-12-24 · $585.00

  • United Airlines UA798 / UA1556: CLT 2026-12-21 06:02:00 → SJU 2026-12-21 14:40:00; 1 stop(s) via EWR; 458 minutes. Local airport times.
    • UA798: CLT 2026-12-21 06:02:00 → EWR 2026-12-21 08:00:00; layover at EWR: 110 minutes.
    • UA1556: EWR 2026-12-21 09:50:00 → SJU 2026-12-21 14:40:00.
  • American Airlines AA3324: SJU 2026-12-24 06:48:00 → CLT 2026-12-24 09:45:00; nonstop; 237 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $615.00

  • American Airlines AA2098: CLT 2026-12-21 16:35:00 → SJU 2026-12-21 21:13:00; nonstop; 218 minutes. Local airport times.
  • American Airlines AA3324: SJU 2026-12-24 06:48:00 → CLT 2026-12-24 09:45:00; nonstop; 237 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $315.00

  • Frontier Airlines F93699 / F93378: CLT 2026-12-21 18:01:00 → SJU 2026-12-22 02:11:00; 1 stop(s) via MIA; 430 minutes. Local airport times.
    • F93699: CLT 2026-12-21 18:01:00 → MIA 2026-12-21 20:17:00; layover at MIA: 133 minutes.
    • F93378: MIA 2026-12-21 22:30:00 → SJU 2026-12-22 02:11:00.
  • Frontier Airlines F93003: SJU 2026-12-24 13:40:00 → CLT 2026-12-24 16:47:00; nonstop; 247 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $315.00

  • Frontier Airlines F91445 / F91746: CLT 2026-12-21 16:22:00 → SJU 2026-12-21 23:29:00; 1 stop(s) via MCO; 367 minutes. Local airport times.
    • F91445: CLT 2026-12-21 16:22:00 → MCO 2026-12-21 18:17:00; layover at MCO: 79 minutes.
    • F91746: MCO 2026-12-21 19:36:00 → SJU 2026-12-21 23:29:00.
  • Frontier Airlines F93003: SJU 2026-12-24 13:40:00 → CLT 2026-12-24 16:47:00; nonstop; 247 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $570.00

  • American Airlines AA2960 / AA2141: CLT 2026-12-21 05:00:00 → SJU 2026-12-21 12:34:00; 1 stop(s) via MIA; 394 minutes. Local airport times.
    • AA2960: CLT 2026-12-21 05:00:00 → MIA 2026-12-21 07:03:00; layover at MIA: 107 minutes.
    • AA2141: MIA 2026-12-21 08:50:00 → SJU 2026-12-21 12:34:00.
  • American Airlines AA3324: SJU 2026-12-24 06:48:00 → CLT 2026-12-24 09:45:00; nonstop; 237 minutes. Local airport times.

More dates for this route