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Denver → San Juan

Jan 21, 2027 · return Feb 4, 2027

DEN → SJU1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

United Airlines
8:45 pmDEN
5h 36m
Nonstop
5:21 am+1SJU
United Airlines
2:21 pmSJU
6h 46m
Nonstop
6:07 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
9:46 amDEN
5h 39m
Nonstop
6:25 pmSJU
United Airlines
2:21 pmSJU
6h 46m
Nonstop
6:07 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Thu, Feb 4

Frontier Airlines
3:34 pmDEN
8h 15m
MIA · 1h 48m
2:49 am+1SJU
Frontier Airlines
2:24 pmSJU
10h 33m
ATL · 2h 25m
9:57 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Southwest Airlines
2:10 pmDEN
7h 40m
MCO · 1h 25m
12:50 am+1SJU
Southwest Airlines
6:05 amSJU
9h 30m
TPA · 2h 15m
12:35 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Frontier Airlines
10:29 amDEN
8h 17m
MCO · 1h 40m
9:46 pmSJU
Frontier Airlines
2:24 pmSJU
10h 33m
ATL · 2h 25m
9:57 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Frontier Airlines
10:43 amDEN
8h 37m
CLT · 1h 46m
10:20 pmSJU
Frontier Airlines
2:24 pmSJU
10h 33m
ATL · 2h 25m
9:57 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Southwest Airlines
1:35 pmDEN
7h 45m
FLL · 1h 20m
12:20 am+1SJU
Southwest Airlines
6:05 amSJU
9h 30m
TPA · 2h 15m
12:35 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
5:00 amDEN
8h 36m
IAH · 1h 40m
4:36 pmSJU
United Airlines
2:21 pmSJU
6h 46m
Nonstop
6:07 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ SJU

Economy

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

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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)
2027-01-21 → 2027-02-04United AirlinesUA1439 / UA1368$540.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04Frontier AirlinesF91520 + F93378 / F92081 + F93599$295.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04Southwest AirlinesWN853 + WN2674 / WN3957 + WN4313$435.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04United AirlinesUA1339 / UA1368$540.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04Frontier AirlinesF93312 + F92868 / F92081 + F93599$295.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04Frontier AirlinesF91362 + F93004 / F92081 + F93599$295.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04Southwest AirlinesWN4488 + WN1192 / WN3957 + WN4313$435.002026-10-29T01:05:10Z
2027-01-21 → 2027-02-04United AirlinesUA320 + UA1192 / UA1368$500.002026-10-29T01:05:10Z

2027-01-21 → 2027-02-04 · $540.00

  • United Airlines UA1439: DEN 2027-01-21 20:45:00 → SJU 2027-01-22 05:21:00; nonstop; 336 minutes. Local airport times.
  • United Airlines UA1368: SJU 2027-02-04 14:21:00 → DEN 2027-02-04 18:07:00; nonstop; 406 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $295.00

  • Frontier Airlines F91520 / F93378: DEN 2027-01-21 15:34:00 → SJU 2027-01-22 02:49:00; 1 stop(s) via MIA; 495 minutes. Local airport times.
    • F91520: DEN 2027-01-21 15:34:00 → MIA 2027-01-21 21:21:00; layover at MIA: 108 minutes.
    • F93378: MIA 2027-01-21 23:09:00 → SJU 2027-01-22 02:49:00.
  • Frontier Airlines F92081 / F93599: SJU 2027-02-04 14:24:00 → DEN 2027-02-04 21:57:00; 1 stop(s) via ATL; 633 minutes. Local airport times.
    • F92081: SJU 2027-02-04 14:24:00 → ATL 2027-02-04 17:53:00; layover at ATL: 145 minutes.
    • F93599: ATL 2027-02-04 20:18:00 → DEN 2027-02-04 21:57:00.

2027-01-21 → 2027-02-04 · $435.00

  • Southwest Airlines WN853 / WN2674: DEN 2027-01-21 14:10:00 → SJU 2027-01-22 00:50:00; 1 stop(s) via MCO; 460 minutes. Local airport times.
    • WN853: DEN 2027-01-21 14:10:00 → MCO 2027-01-21 19:35:00; layover at MCO: 85 minutes.
    • WN2674: MCO 2027-01-21 21:00:00 → SJU 2027-01-22 00:50:00.
  • Southwest Airlines WN3957 / WN4313: SJU 2027-02-04 06:05:00 → DEN 2027-02-04 12:35:00; 1 stop(s) via TPA; 570 minutes. Local airport times.
    • WN3957: SJU 2027-02-04 06:05:00 → TPA 2027-02-04 08:20:00; layover at TPA: 135 minutes.
    • WN4313: TPA 2027-02-04 10:35:00 → DEN 2027-02-04 12:35:00.

2027-01-21 → 2027-02-04 · $540.00

  • United Airlines UA1339: DEN 2027-01-21 09:46:00 → SJU 2027-01-21 18:25:00; nonstop; 339 minutes. Local airport times.
  • United Airlines UA1368: SJU 2027-02-04 14:21:00 → DEN 2027-02-04 18:07:00; nonstop; 406 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $295.00

  • Frontier Airlines F93312 / F92868: DEN 2027-01-21 10:29:00 → SJU 2027-01-21 21:46:00; 1 stop(s) via MCO; 497 minutes. Local airport times.
    • F93312: DEN 2027-01-21 10:29:00 → MCO 2027-01-21 16:09:00; layover at MCO: 100 minutes.
    • F92868: MCO 2027-01-21 17:49:00 → SJU 2027-01-21 21:46:00.
  • Frontier Airlines F92081 / F93599: SJU 2027-02-04 14:24:00 → DEN 2027-02-04 21:57:00; 1 stop(s) via ATL; 633 minutes. Local airport times.
    • F92081: SJU 2027-02-04 14:24:00 → ATL 2027-02-04 17:53:00; layover at ATL: 145 minutes.
    • F93599: ATL 2027-02-04 20:18:00 → DEN 2027-02-04 21:57:00.

2027-01-21 → 2027-02-04 · $295.00

  • Frontier Airlines F91362 / F93004: DEN 2027-01-21 10:43:00 → SJU 2027-01-21 22:20:00; 1 stop(s) via CLT; 517 minutes. Local airport times.
    • F91362: DEN 2027-01-21 10:43:00 → CLT 2027-01-21 15:56:00; layover at CLT: 106 minutes.
    • F93004: CLT 2027-01-21 17:42:00 → SJU 2027-01-21 22:20:00.
  • Frontier Airlines F92081 / F93599: SJU 2027-02-04 14:24:00 → DEN 2027-02-04 21:57:00; 1 stop(s) via ATL; 633 minutes. Local airport times.
    • F92081: SJU 2027-02-04 14:24:00 → ATL 2027-02-04 17:53:00; layover at ATL: 145 minutes.
    • F93599: ATL 2027-02-04 20:18:00 → DEN 2027-02-04 21:57:00.

2027-01-21 → 2027-02-04 · $435.00

  • Southwest Airlines WN4488 / WN1192: DEN 2027-01-21 13:35:00 → SJU 2027-01-22 00:20:00; 1 stop(s) via FLL; 465 minutes. Local airport times.
    • WN4488: DEN 2027-01-21 13:35:00 → FLL 2027-01-21 19:15:00; layover at FLL: 80 minutes.
    • WN1192: FLL 2027-01-21 20:35:00 → SJU 2027-01-22 00:20:00.
  • Southwest Airlines WN3957 / WN4313: SJU 2027-02-04 06:05:00 → DEN 2027-02-04 12:35:00; 1 stop(s) via TPA; 570 minutes. Local airport times.
    • WN3957: SJU 2027-02-04 06:05:00 → TPA 2027-02-04 08:20:00; layover at TPA: 135 minutes.
    • WN4313: TPA 2027-02-04 10:35:00 → DEN 2027-02-04 12:35:00.

2027-01-21 → 2027-02-04 · $500.00

  • United Airlines UA320 / UA1192: DEN 2027-01-21 05:00:00 → SJU 2027-01-21 16:36:00; 1 stop(s) via IAH; 516 minutes. Local airport times.
    • UA320: DEN 2027-01-21 05:00:00 → IAH 2027-01-21 08:33:00; layover at IAH: 100 minutes.
    • UA1192: IAH 2027-01-21 10:13:00 → SJU 2027-01-21 16:36:00.
  • United Airlines UA1368: SJU 2027-02-04 14:21:00 → DEN 2027-02-04 18:07:00; nonstop; 406 minutes. Local airport times.

More dates for this route