Flights from Detroit, MI to San Juan, PR

Promo Code

Best Deals on Flights From Detroit, MI (DTW) to San Juan, PR (SJU)

Nov 2026
from$88*
Last seen: 1 hour ago
One-way/Economy
Dec 2026
from$87*
Last seen: 12 hours ago
One-way/Economy
Jan 2027
from$107*
Last seen: 18 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $87
cmp-daily-histogram-bars-legend-max-price-aria-label $273
Displaying fares for November-2026
  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

    NOV

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

  • DTW–SJU, Nov 13, 2026: from $273
    13

    Fri

  • DTW–SJU, Nov 14, 2026: from $131
    14

    Sat

  • DTW–SJU, Nov 15, 2026: from $180
    15

    Sun

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • DTW–SJU, Nov 18, 2026: from $88
    18

    Wed

  • DTW–SJU, Nov 19, 2026: from $222
    19

    Thu

  • DTW–SJU, Nov 20, 2026: from $222
    20

    Fri

  • DTW–SJU, Nov 21, 2026: from $202
    21

    Sat

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • DTW–SJU, Nov 23, 2026: from $213
    23

    Mon

  • DTW–SJU, Nov 24, 2026: from $192
    24

    Tue

  • DTW–SJU, Nov 25, 2026: from $212
    25

    Wed

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

  • DTW–SJU, Dec 2, 2026: from $97
    02

    Wed

  • DTW–SJU, Dec 3, 2026: from $167
    03

    Thu

  • DTW–SJU, Dec 4, 2026: from $128
    04

    Fri

  • DTW–SJU, Dec 5, 2026: from $119
    05

    Sat

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • DTW–SJU, Dec 7, 2026: from $87
    07

    Mon

  • DTW–SJU, Dec 8, 2026: from $113
    08

    Tue

  • DTW–SJU, Dec 9, 2026: from $113
    09

    Wed

    • Range$87-$273

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Detroit, MI to San Juan, PR on Frontier

    $
    Flights Deals from Detroit, MI to San Juan, PR on Frontier
    From
    To
    Detroit, MI (DTW)San Juan, PR (SJU)One-way
    /
    Discount Den Basic Fare    		Departing Feb 9, 2027

    From

    $88

    Last seen: 4 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Detroit, MI San Juan, PR

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