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Detroit → San Juan

Jan 21, 2027 · return Feb 4, 2027

DTW → SJU1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
8:45 amDTW
4h 24m
Nonstop
2:09 pmSJU
Delta Air Lines
3:20 pmSJU
4h 50m
Nonstop
7:10 pmDTW

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Thu, Feb 4

Frontier Airlines
8:27 amDTW
7h 7m
PHL · 1h 25m
4:34 pmSJU
Frontier Airlines
2:29 amSJU
8h 37m
ATL · 2h 1m
10:06 amDTW

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

JetBlue Airways
6:36 amDTW
7h 19m
JFK · 1h 29m
2:55 pmSJU
JetBlue Airways
2:35 pmSJU
8h 59m
BOS · 2h 26m
10:34 pmDTW

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

American Airlines
5:30 amDTW
7h 21m
PHL · 1h 29m
1:51 pmSJU
American Airlines
8:30 amSJU
8h 9m
PHL · 2h 1m
3:39 pmDTW

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Frontier Airlines
6:00 amDTW
7h 32m
MCO · 1h 36m
2:32 pmSJU
Frontier Airlines
2:29 amSJU
8h 37m
ATL · 2h 1m
10:06 amDTW

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

JetBlue Airways
11:16 amDTW
7h 11m
BOS · 1h 18m
7:27 pmSJU
JetBlue Airways
2:35 pmSJU
8h 59m
BOS · 2h 26m
10:34 pmDTW

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
8:30 amDTW
4h 24m
Nonstop
1:54 pmSJU
American Airlines
8:30 amSJU
8h 9m
PHL · 2h 1m
3:39 pmDTW

Round-trip total · 1 adult · Taxes included

Make this trip yours

DTW ⇄ 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 → 2027-02-04Delta Air LinesDL1913 / DL1913$495.002026-10-29T01:11:33Z
2027-01-21 → 2027-02-04Frontier AirlinesF92022 + F91166 / F92081 + F92898$275.002026-10-29T01:11:33Z
2027-01-21 → 2027-02-04JetBlue AirwaysB61419 + B61003 / B6808 + B61337$395.002026-10-29T01:11:33Z
2027-01-21 → 2027-02-04American AirlinesAA5106 + AA2433 / AA508 + AA5122$425.002026-10-29T01:11:33Z
2027-01-21 → 2027-02-04Frontier AirlinesF93364 + F92250 / F92081 + F92898$275.002026-10-29T01:11:33Z
2027-01-21 → 2027-02-04JetBlue AirwaysB61136 + B6161 / B6808 + B61337$395.002026-10-29T01:11:33Z
2027-01-21 → 2027-02-04Delta Air Lines / American AirlinesDL1913 / AA508 + AA5122$460.002026-10-29T01:11:33Z

2027-01-21 → 2027-02-04 · $495.00

  • Delta Air Lines DL1913: DTW 2027-01-21 08:45:00 → SJU 2027-01-21 14:09:00; nonstop; 264 minutes. Local airport times.
  • Delta Air Lines DL1913: SJU 2027-02-04 15:20:00 → DTW 2027-02-04 19:10:00; nonstop; 290 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $275.00

  • Frontier Airlines F92022 / F91166: DTW 2027-01-21 08:27:00 → SJU 2027-01-21 16:34:00; 1 stop(s) via PHL; 427 minutes. Local airport times.
    • F92022: DTW 2027-01-21 08:27:00 → PHL 2027-01-21 10:16:00; layover at PHL: 85 minutes.
    • F91166: PHL 2027-01-21 11:41:00 → SJU 2027-01-21 16:34:00.
  • Frontier Airlines F92081 / F92898: SJU 2027-02-04 02:29:00 → DTW 2027-02-04 10:06:00; 1 stop(s) via ATL; 517 minutes. Local airport times.
    • F92081: SJU 2027-02-04 02:29:00 → ATL 2027-02-04 05:55:00; layover at ATL: 121 minutes.
    • F92898: ATL 2027-02-04 07:56:00 → DTW 2027-02-04 10:06:00.

2027-01-21 → 2027-02-04 · $395.00

  • JetBlue Airways B61419 / B61003: DTW 2027-01-21 06:36:00 → SJU 2027-01-21 14:55:00; 1 stop(s) via JFK; 439 minutes. Local airport times.
    • B61419: DTW 2027-01-21 06:36:00 → JFK 2027-01-21 08:30:00; layover at JFK: 89 minutes.
    • B61003: JFK 2027-01-21 09:59:00 → SJU 2027-01-21 14:55:00.
  • JetBlue Airways B6808 / B61337: SJU 2027-02-04 14:35:00 → DTW 2027-02-04 22:34:00; 1 stop(s) via BOS; 539 minutes. Local airport times.
    • B6808: SJU 2027-02-04 14:35:00 → BOS 2027-02-04 17:51:00; layover at BOS: 146 minutes.
    • B61337: BOS 2027-02-04 20:17:00 → DTW 2027-02-04 22:34:00.

2027-01-21 → 2027-02-04 · $425.00

  • American Airlines AA5106 / AA2433: DTW 2027-01-21 05:30:00 → SJU 2027-01-21 13:51:00; 1 stop(s) via PHL; 441 minutes. Local airport times.
    • AA5106: DTW 2027-01-21 05:30:00 → PHL 2027-01-21 07:20:00; layover at PHL: 89 minutes.
    • AA2433: PHL 2027-01-21 08:49:00 → SJU 2027-01-21 13:51:00.
  • American Airlines AA508 / AA5122: SJU 2027-02-04 08:30:00 → DTW 2027-02-04 15:39:00; 1 stop(s) via PHL; 489 minutes. Local airport times.
    • AA508: SJU 2027-02-04 08:30:00 → PHL 2027-02-04 11:39:00; layover at PHL: 121 minutes.
    • AA5122: PHL 2027-02-04 13:40:00 → DTW 2027-02-04 15:39:00.

2027-01-21 → 2027-02-04 · $275.00

  • Frontier Airlines F93364 / F92250: DTW 2027-01-21 06:00:00 → SJU 2027-01-21 14:32:00; 1 stop(s) via MCO; 452 minutes. Local airport times.
    • F93364: DTW 2027-01-21 06:00:00 → MCO 2027-01-21 09:03:00; layover at MCO: 96 minutes.
    • F92250: MCO 2027-01-21 10:39:00 → SJU 2027-01-21 14:32:00.
  • Frontier Airlines F92081 / F92898: SJU 2027-02-04 02:29:00 → DTW 2027-02-04 10:06:00; 1 stop(s) via ATL; 517 minutes. Local airport times.
    • F92081: SJU 2027-02-04 02:29:00 → ATL 2027-02-04 05:55:00; layover at ATL: 121 minutes.
    • F92898: ATL 2027-02-04 07:56:00 → DTW 2027-02-04 10:06:00.

2027-01-21 → 2027-02-04 · $395.00

  • JetBlue Airways B61136 / B6161: DTW 2027-01-21 11:16:00 → SJU 2027-01-21 19:27:00; 1 stop(s) via BOS; 431 minutes. Local airport times.
    • B61136: DTW 2027-01-21 11:16:00 → BOS 2027-01-21 13:03:00; layover at BOS: 78 minutes.
    • B6161: BOS 2027-01-21 14:21:00 → SJU 2027-01-21 19:27:00.
  • JetBlue Airways B6808 / B61337: SJU 2027-02-04 14:35:00 → DTW 2027-02-04 22:34:00; 1 stop(s) via BOS; 539 minutes. Local airport times.
    • B6808: SJU 2027-02-04 14:35:00 → BOS 2027-02-04 17:51:00; layover at BOS: 146 minutes.
    • B61337: BOS 2027-02-04 20:17:00 → DTW 2027-02-04 22:34:00.

2027-01-21 → 2027-02-04 · $460.00

  • Delta Air Lines DL1913: DTW 2027-01-21 08:30:00 → SJU 2027-01-21 13:54:00; nonstop; 264 minutes. Local airport times.
  • American Airlines AA508 / AA5122: SJU 2027-02-04 08:30:00 → DTW 2027-02-04 15:39:00; 1 stop(s) via PHL; 489 minutes. Local airport times.
    • AA508: SJU 2027-02-04 08:30:00 → PHL 2027-02-04 11:39:00; layover at PHL: 121 minutes.
    • AA5122: PHL 2027-02-04 13:40:00 → DTW 2027-02-04 15:39:00.

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