Flights from San Juan, PR to St. Louis, MO

Promo Code

Best Deals on Flights From San Juan, PR (SJU) to St. Louis, MO (STL)

Oct 2026
from$201*
Last seen: 13 hours ago
One-way/Economy
Nov 2026
from$127*
Last seen: 18 hours ago
One-way/Economy
Dec 2026
from$358*
Last seen: 21 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $127
Displaying fares for October-2026
  • SJU–STL: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

    OCT

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    20

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    21

    Wed

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    22

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    23

    Fri

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    24

    Sat

  • SJU–STL, Oct 25, 2026: from $201
    25

    Sun

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    26

    Mon

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

    Tue

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

    Wed

  • SJU–STL, Oct 29, 2026: from $201
    29

    Thu

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    30

    Fri

  • SJU–STL, Oct 31, 2026: from $201
    31

    Sat

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

    Sun

    NOV

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

    Mon

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    03

    Tue

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    04

    Wed

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    05

    Thu

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

    Fri

  • SJU–STL, Nov 7, 2026: from $127
    07

    Sat

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

    Sun

  • SJU–STL: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

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

    Tue

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

    Wed

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

    Thu

  • SJU–STL: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • SJU–STL: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

    • Range$127-$201

    *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 St. Louis, MO on Frontier

    $
    Flights Deals from San Juan, PR to St. Louis, MO on Frontier
    From
    To
    San Juan, PR (SJU)St. Louis, MO (STL)One-way
    /
    Discount Den Basic Fare    		Departing Jan 20, 2027

    From

    $203

    Last seen: 13 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 St. Louis, MO

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