Sidney (SDY) to Billings (BIL) flights
One airline flies nonstop from Sidney (SDY) to Billings (BIL): Cape Air. The two airports are 244 miles (393 km) apart.
Airlines flying nonstop from SDY to BIL
- Cape AirNot in an alliance · bookable with 3 programsWho books it
Book SDY to BIL with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Cape Air
- Delta SkyMilesBooks Cape Air
- JetBlue TrueBlueBooks Cape Air
SDY to BIL: common questions
Which airlines fly nonstop from SDY to BIL?
Cape Air flies nonstop from Sidney (SDY) to Billings (BIL).
How far is Sidney from Billings by plane?
Sidney (SDY) and Billings (BIL) are 244 miles (393 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SDY to BIL award flights?
3 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, Delta SkyMiles and JetBlue TrueBlue. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SDY to BIL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SDY to BIL with taxes and fees.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.