Flights from San Juan, PR to Boston, MA

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Best Deals on Flights From San Juan, PR (SJU) to Boston, MA (BOS)

Aug 2026
from$189*
Last seen: 3 hours ago
One-way/Economy
Sep 2026
from$135*
Last seen: 4 hours ago
One-way/Economy
Oct 2026
from$164*
Last seen: 4 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $177
cmp-daily-histogram-bars-legend-max-price-aria-label $296
Displaying fares for August-2026
  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

    AUG

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

  • SJU–BOS, Aug 11, 2026: from $281
    11

    Tue

  • SJU–BOS, Aug 12, 2026: from $280
    12

    Wed

  • SJU–BOS, Aug 13, 2026: from $251
    13

    Thu

  • SJU–BOS, Aug 14, 2026: from $247
    14

    Fri

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • SJU–BOS, Aug 16, 2026: from $227
    16

    Sun

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

    Mon

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • SJU–BOS, Aug 19, 2026: from $227
    19

    Wed

  • SJU–BOS, Aug 20, 2026: from $223
    20

    Thu

  • SJU–BOS, Aug 21, 2026: from $296
    21

    Fri

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

    Sat

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

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

    Mon

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

    Tue

  • SJU–BOS, Aug 26, 2026: from $227
    26

    Wed

  • SJU–BOS, Aug 27, 2026: from $189
    27

    Thu

  • SJU–BOS, Aug 28, 2026: from $197
    28

    Fri

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

    Sat

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

    Sun

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

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

    Tue

    SEP

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • SJU–BOS, Sep 3, 2026: from $177
    03

    Thu

  • SJU–BOS, Sep 4, 2026: from $197
    04

    Fri

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

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

    Sun

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • SJU–BOS: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

    • Range$177-$296

    *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 San Juan, PR to Boston, MA on Frontier

    $
    Flights Deals from San Juan, PR to Boston, MA on Frontier
    From
    To
    San Juan, PR (SJU)Boston, MA (BOS)One-way
    /
    Discount Den Basic Fare    		Departing Dec 20, 2026

    From

    $144

    Last seen: 15 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®.

    San Juan, PR Boston, MA

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