Flights from Baltimore, MD to St. Louis, MO

Promo Code

Best Deals on Flights From Baltimore, MD (BWI) to St. Louis, MO (STL)

Nov 2026
from$144*
Last seen: 1 hour ago
One-way/Economy
Dec 2026
from$111*
Last seen: 21 hours ago
One-way/Economy
Jan 2027
from$104*
Last seen: 20 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $124
Displaying fares for November-2026
  • BWI–STL: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

    NOV

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    13

    Fri

  • BWI–STL, Nov 14, 2026: from $172
    14

    Sat

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    15

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    16

    Mon

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    17

    Tue

  • BWI–STL, Nov 18, 2026: from $144
    18

    Wed

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    19

    Thu

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    20

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    21

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    22

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    23

    Mon

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    24

    Tue

  • BWI–STL, Nov 25, 2026: from $150
    25

    Wed

  • BWI–STL, Nov 26, 2026: from $170
    26

    Thu

  • BWI–STL, Nov 27, 2026: from $172
    27

    Fri

  • BWI–STL, Nov 28, 2026: from $250
    28

    Sat

  • BWI–STL, Nov 29, 2026: from $244
    29

    Sun

  • BWI–STL: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

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

    Tue

    DEC

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    02

    Wed

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    03

    Thu

  • BWI–STL, Dec 4, 2026: from $144
    04

    Fri

  • BWI–STL, Dec 5, 2026: from $124
    05

    Sat

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    06

    Sun

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    07

    Mon

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    08

    Tue

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    09

    Wed

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    10

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    11

    Fri

    • Range$124-$250

    *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 Baltimore, MD to St. Louis, MO on Frontier

    $
    Flights Deals from Baltimore, MD to St. Louis, MO on Frontier
    From
    To
    Baltimore, MD (BWI)St. Louis, MO (STL)One-way
    /
    Discount Den Basic Fare    		Departing May 13, 2027

    From

    $244

    Last seen: 22 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®.

    Baltimore, MD St. Louis, MO

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