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Chicago → San Juan

Dec 21, 2026 · return Dec 31, 2026

ORD → SJU1 adulteconomyRound trip

9 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
11:53 pmORD
4h 39m
Nonstop
6:32 am+1SJU
Frontier Airlines
10:26 pmSJU
5h 7m
Nonstop
1:33 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
2:16 pmORD
4h 44m
Nonstop
9:00 pmSJU
United Airlines
8:25 amSJU
5h 24m
Nonstop
11:49 amORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
8:52 amORD
4h 48m
Nonstop
3:40 pmSJU
United Airlines
8:25 amSJU
5h 24m
Nonstop
11:49 amORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 31

DM
5:45 amORD
7h 18m
PUJ · 1h 28m
3:03 pmSJU
DM
4:24 pmSJU
7h 56m
PUJ · 1h 45m
10:20 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
12:05 pmORD
7h 8m
CLT · 1h 25m
9:13 pmSJU
American Airlines
8:30 amSJU
9h 4m
PHL · 2h 15m
3:34 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
8:04 amORD
7h 42m
ATL · 2h 21m
5:46 pmSJU
Delta Air Lines
2:55 pmSJU
9h 41m
BOS · 2h 29m
10:36 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Frontier Airlines
4:42 pmORD
7h 45m
PHL · 1h 35m
2:27 am+1SJU
Frontier Airlines
10:26 pmSJU
5h 7m
Nonstop
1:33 am+1ORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

American Airlines
11:00 pmORD
4h 36m
Nonstop
5:36 am+1SJU
American Airlines
8:30 amSJU
9h 4m
PHL · 2h 15m
3:34 pmORD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
1:00 pmORD
7h 22m
IAD · 1h 26m
10:22 pmSJU
United Airlines
8:25 amSJU
5h 24m
Nonstop
11:49 amORD

Round-trip total · 1 adult · Taxes included

Make this trip yours

ORD ⇄ 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)
2026-12-21 → 2026-12-31Frontier AirlinesF93346 / F94789$391.502026-10-29T01:53:25Z
2026-12-21 → 2026-12-31United AirlinesUA695 / UA2089$652.502026-10-29T01:53:25Z
2026-12-21 → 2026-12-31DMDM5481 + DM1002 / DM1003 + DM5420$522.002026-10-29T01:53:25Z
2026-12-21 → 2026-12-31American AirlinesAA1889 + AA2098 / AA508 + AA595$565.502026-10-29T01:53:25Z
2026-12-21 → 2026-12-31Delta Air LinesDL1687 + DL1946 / DL1780 + DL2804$609.002026-10-29T01:53:25Z
2026-12-21 → 2026-12-31United AirlinesUA1996 / UA2089$652.502026-10-29T01:53:25Z
2026-12-21 → 2026-12-31Frontier AirlinesF92112 + F91726 / F94789$377.002026-10-29T01:53:25Z
2026-12-21 → 2026-12-31American AirlinesAA2571 / AA508 + AA595$594.502026-10-29T01:53:25Z
2026-12-21 → 2026-12-31United AirlinesUA1128 + UA2025 / UA2089$623.502026-10-29T01:53:25Z

2026-12-21 → 2026-12-31 · $391.50

  • Frontier Airlines F93346: ORD 2026-12-21 23:53:00 → SJU 2026-12-22 06:32:00; nonstop; 279 minutes. Local airport times.
  • Frontier Airlines F94789: SJU 2026-12-31 22:26:00 → ORD 2027-01-01 01:33:00; nonstop; 307 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $652.50

  • United Airlines UA695: ORD 2026-12-21 14:16:00 → SJU 2026-12-21 21:00:00; nonstop; 284 minutes. Local airport times.
  • United Airlines UA2089: SJU 2026-12-31 08:25:00 → ORD 2026-12-31 11:49:00; nonstop; 324 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $522.00

  • DM DM5481 / DM1002: ORD 2026-12-21 05:45:00 → SJU 2026-12-21 15:03:00; 1 stop(s) via PUJ; 438 minutes. Local airport times.
    • DM5481: ORD 2026-12-21 05:45:00 → PUJ 2026-12-21 12:30:00; layover at PUJ: 88 minutes.
    • DM1002: PUJ 2026-12-21 13:58:00 → SJU 2026-12-21 15:03:00.
  • DM DM1003 / DM5420: SJU 2026-12-31 16:24:00 → ORD 2026-12-31 22:20:00; 1 stop(s) via PUJ; 476 minutes. Local airport times.
    • DM1003: SJU 2026-12-31 16:24:00 → PUJ 2026-12-31 17:25:00; layover at PUJ: 105 minutes.
    • DM5420: PUJ 2026-12-31 19:10:00 → ORD 2026-12-31 22:20:00.

2026-12-21 → 2026-12-31 · $565.50

  • American Airlines AA1889 / AA2098: ORD 2026-12-21 12:05:00 → SJU 2026-12-21 21:13:00; 1 stop(s) via CLT; 428 minutes. Local airport times.
    • AA1889: ORD 2026-12-21 12:05:00 → CLT 2026-12-21 15:10:00; layover at CLT: 85 minutes.
    • AA2098: CLT 2026-12-21 16:35:00 → SJU 2026-12-21 21:13:00.
  • American Airlines AA508 / AA595: SJU 2026-12-31 08:30:00 → ORD 2026-12-31 15:34:00; 1 stop(s) via PHL; 544 minutes. Local airport times.
    • AA508: SJU 2026-12-31 08:30:00 → PHL 2026-12-31 11:39:00; layover at PHL: 135 minutes.
    • AA595: PHL 2026-12-31 13:54:00 → ORD 2026-12-31 15:34:00.

2026-12-21 → 2026-12-31 · $609.00

  • Delta Air Lines DL1687 / DL1946: ORD 2026-12-21 08:04:00 → SJU 2026-12-21 17:46:00; 1 stop(s) via ATL; 462 minutes. Local airport times.
    • DL1687: ORD 2026-12-21 08:04:00 → ATL 2026-12-21 11:00:00; layover at ATL: 141 minutes.
    • DL1946: ATL 2026-12-21 13:21:00 → SJU 2026-12-21 17:46:00.
  • Delta Air Lines DL1780 / DL2804: SJU 2026-12-31 14:55:00 → ORD 2026-12-31 22:36:00; 1 stop(s) via BOS; 581 minutes. Local airport times.
    • DL1780: SJU 2026-12-31 14:55:00 → BOS 2026-12-31 18:11:00; layover at BOS: 149 minutes.
    • DL2804: BOS 2026-12-31 20:40:00 → ORD 2026-12-31 22:36:00.

2026-12-21 → 2026-12-31 · $652.50

  • United Airlines UA1996: ORD 2026-12-21 08:52:00 → SJU 2026-12-21 15:40:00; nonstop; 288 minutes. Local airport times.
  • United Airlines UA2089: SJU 2026-12-31 08:25:00 → ORD 2026-12-31 11:49:00; nonstop; 324 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $377.00

  • Frontier Airlines F92112 / F91726: ORD 2026-12-21 16:42:00 → SJU 2026-12-22 02:27:00; 1 stop(s) via PHL; 465 minutes. Local airport times.
    • F92112: ORD 2026-12-21 16:42:00 → PHL 2026-12-21 20:04:00; layover at PHL: 95 minutes.
    • F91726: PHL 2026-12-21 21:39:00 → SJU 2026-12-22 02:27:00.
  • Frontier Airlines F94789: SJU 2026-12-31 22:26:00 → ORD 2027-01-01 01:33:00; nonstop; 307 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $594.50

  • American Airlines AA2571: ORD 2026-12-21 23:00:00 → SJU 2026-12-22 05:36:00; nonstop; 276 minutes. Local airport times.
  • American Airlines AA508 / AA595: SJU 2026-12-31 08:30:00 → ORD 2026-12-31 15:34:00; 1 stop(s) via PHL; 544 minutes. Local airport times.
    • AA508: SJU 2026-12-31 08:30:00 → PHL 2026-12-31 11:39:00; layover at PHL: 135 minutes.
    • AA595: PHL 2026-12-31 13:54:00 → ORD 2026-12-31 15:34:00.

2026-12-21 → 2026-12-31 · $623.50

  • United Airlines UA1128 / UA2025: ORD 2026-12-21 13:00:00 → SJU 2026-12-21 22:22:00; 1 stop(s) via IAD; 442 minutes. Local airport times.
    • UA1128: ORD 2026-12-21 13:00:00 → IAD 2026-12-21 16:03:00; layover at IAD: 86 minutes.
    • UA2025: IAD 2026-12-21 17:29:00 → SJU 2026-12-21 22:22:00.
  • United Airlines UA2089: SJU 2026-12-31 08:25:00 → ORD 2026-12-31 11:49:00; nonstop; 324 minutes. Local airport times.

More dates for this route