Flights from Buffalo, NY to San Juan, PR

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Best Deals on Flights From Buffalo, NY (BUF) to San Juan, PR (SJU)

Nov 2026
from$104*
Last seen: 7 hours ago
One-way/Economy
Dec 2026
from$98*
Last seen: 18 hours ago
One-way/Economy
Jan 2027
from$143*
Last seen: 6 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $104
Displaying fares for November-2026
  • BUF–SJU: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

    NOV

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    08

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    09

    Mon

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    11

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    12

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    13

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    14

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  • BUF–SJU, Nov 15, 2026: from $109
    15

    Sun

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    16

    Mon

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

    Tue

  • BUF–SJU, Nov 18, 2026: from $114
    18

    Wed

  • BUF–SJU, Nov 19, 2026: from $114
    19

    Thu

  • BUF–SJU: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • BUF–SJU: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • BUF–SJU, Nov 22, 2026: from $104
    22

    Sun

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    23

    Mon

  • BUF–SJU: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

  • BUF–SJU: cmp-view-offers-disclaimer. Find Offers
    25

    Wed

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

    Thu

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

    Fri

  • BUF–SJU, Nov 28, 2026: from $370
    28

    Sat

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    29

    Sun

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

    Mon

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

    Tue

    DEC

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    02

    Wed

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    03

    Thu

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    04

    Fri

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    05

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

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    • Range$104-$370

    *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 Buffalo, NY to San Juan, PR on Frontier

    $
    Flights Deals from Buffalo, NY to San Juan, PR on Frontier
    From
    To
    Buffalo, NY (BUF)San Juan, PR (SJU)One-way
    /
    Discount Den Basic Fare    		Departing Feb 19, 2027

    From

    $212

    Last seen: 3 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®.

    Buffalo, NY San Juan, PR

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