Flights from Detroit, MI to San Juan, PR

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

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Sep 2026
No results for this month.
Oct 2026
from$102*
Last seen: 19 hours ago
One-way/Economy
Nov 2026
from$109*
Last seen: 22 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $143
Displaying fares for September-2026
  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    26

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    SEP

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    27

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  • DTW–SJU, Oct 1, 2026: from $268
    01

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    OCT

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  • DTW–SJU, Oct 4, 2026: from $237
    04

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  • DTW–SJU, Oct 7, 2026: from $237
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  • DTW–SJU, Oct 8, 2026: from $237
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    09

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    11

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    12

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    13

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    14

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  • DTW–SJU, Oct 15, 2026: from $198
    15

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    16

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    17

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    18

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  • DTW–SJU, Oct 19, 2026: from $143
    19

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    20

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    21

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    22

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    23

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    • Range$143-$268

    *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 Jan 25, 2027

    From

    $121

    Last seen: 14 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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