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

Promo Code

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

Mar 2026
From$39*
Viewed: 9 hours ago
Flight Type One Way/Economy
Apr 2026
From$39*
Viewed: 12 hours ago
Flight Type One Way/Economy
May 2026
From$39*
Viewed: 1 day ago
Flight Type One Way/Economy
$39
Displaying fares for March-2026
  • 18

    We

    MAR

  • 19

    Th

  • 20

    Fr

  • 21

    Sa

  • 22

    Su

  • 23

    Mo

  • 24

    Tu

  • 25

    We

  • 26

    Th

  • 27

    Fr

  • 28

    Sa

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

    • 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 Sidney, MT to Billings plane ticket offers

    Find Sidney, MT to Billings plane ticket offers
    From
    To
    Fare Type
    Dates
    Price
    Sidney, MT (SDY)Billings (BIL)One-way
    /
    Economy    		Depart: 04/14/2026

    Fares From

    $39

    Viewed: 1 day ago

    Sidney, MT (SDY)Billings (BIL)One-way
    /
    Economy    		Depart: 04/30/2026

    Fares From

    $39

    Viewed: 1 day ago

    Sidney, MT (SDY)Billings (BIL)One-way
    /
    Economy    		Depart: 10/22/2026

    Fares From

    $39

    Viewed: 1 day ago

    Sidney, MT (SDY)Billings (BIL)One-way
    /
    Economy    		Depart: 10/24/2026

    Fares From

    $39

    Viewed: 1 day ago

    Sidney, MT (SDY)Billings (BIL)One-way
    /
    Economy    		Depart: 05/27/2026

    Fares From

    $39

    Viewed: 1 day ago

    Sidney, MT (SDY)Billings (BIL)One-way
    /
    Economy    		Depart: 12/11/2026

    Fares From

    $39

    Viewed: 11 hours ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.

    Sidney, MT (SDY) to Billings (BIL) Flight Deals

    Explore Cape Air's Top-Pick Destinations