Billings (BIL) to Sidney, MT (SDY) Flight Deals from $39!

Promo Code

Cape Air Tickets for Upcoming Billings (BIL) to Sidney, MT (SDY) Flights

Sep 2026
From$39*
Viewed: 12 hours ago
Flight Type One Way/Economy
Oct 2026
From$39*
Viewed: 21 hours ago
Flight Type One Way/Economy
Nov 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $39
Displaying fares for September-2026
  • BIL–SDY, 09/20/2026: From $49
    20

    Su

    SEP

  • BIL–SDY, 09/21/2026: From $49
    21

    Mo

  • BIL–SDY, 09/22/2026: From $39
    22

    Tu

  • BIL–SDY, 09/23/2026: From $39
    23

    We

  • BIL–SDY, 09/24/2026: From $39
    24

    Th

  • BIL–SDY, 09/25/2026: From $39
    25

    Fr

  • BIL–SDY, 09/26/2026: From $39
    26

    Sa

  • BIL–SDY, 09/27/2026: From $39
    27

    Su

  • BIL–SDY, 09/28/2026: From $39
    28

    Mo

  • BIL–SDY, 09/29/2026: From $39
    29

    Tu

  • BIL–SDY, 09/30/2026: From $39
    30

    We

  • BIL–SDY, 10/01/2026: From $39
    01

    Th

    OCT

  • BIL–SDY, 10/02/2026: From $39
    02

    Fr

  • BIL–SDY, 10/03/2026: From $39
    03

    Sa

  • BIL–SDY, 10/04/2026: From $39
    04

    Su

  • BIL–SDY, 10/05/2026: From $39
    05

    Mo

  • BIL–SDY, 10/06/2026: From $39
    06

    Tu

  • BIL–SDY, 10/07/2026: From $39
    07

    We

  • BIL–SDY: cmp-view-offers-disclaimer. Find Offers
    08

    Th

  • BIL–SDY: cmp-view-offers-disclaimer. Find Offers
    09

    Fr

  • BIL–SDY: cmp-view-offers-disclaimer. Find Offers
    10

    Sa

  • BIL–SDY: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • BIL–SDY, 10/12/2026: From $39
    12

    Mo

  • BIL–SDY, 10/13/2026: From $39
    13

    Tu

  • BIL–SDY, 10/14/2026: From $39
    14

    We

  • BIL–SDY, 10/15/2026: From $39
    15

    Th

  • BIL–SDY: cmp-view-offers-disclaimer. Find Offers
    16

    Fr

  • BIL–SDY: cmp-view-offers-disclaimer. Find Offers
    17

    Sa

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    18

    Su

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    19

    Mo

    • Range$39-$49

    *Prices have been viewed by other users searching within the last 48 hours for flights on this route, and may not be currently available. Additional baggage charges and fees may apply. Other terms and conditions may apply.

    Find Billings to Sidney, MT plane ticket offers

    $
    Find Billings to Sidney, MT plane ticket offers
    From
    To
    Fare Type
    Dates
    Price
    Billings (BIL)Sidney, MT (SDY)One-way
    /
    Economy    		Depart: 01/05/2027

    Fares From

    $39

    Viewed: 1 day ago

    Billings (BIL)Sidney, MT (SDY)One-way
    /
    Economy    		Depart: 10/04/2026

    Fares From

    $39

    Viewed: 21 hours ago

    Billings (BIL)Sidney, MT (SDY)One-way
    /
    Economy    		Depart: 10/01/2026

    Fares From

    $39

    Viewed: 21 hours ago

    Billings (BIL)Sidney, MT (SDY)One-way
    /
    Economy    		Depart: 10/03/2026

    Fares From

    $39

    Viewed: 21 hours ago

    Billings (BIL)Sidney, MT (SDY)One-way
    /
    Economy    		Depart: 10/05/2026

    Fares From

    $39

    Viewed: 21 hours ago

    Billings (BIL)Sidney, MT (SDY)One-way
    /
    Economy    		Depart: 10/07/2026

    Fares From

    $39

    Viewed: 21 hours ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
    Billings (BIL) to Sidney, MT (SDY) Flight Deals

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