Sidney (SDY) to Billings (BIL) flights

An economy award from Sidney (SDY) to Billings (BIL) starts at 12,500 miles one way with American AAdvantage on Cape Air, plus taxes and fees from $5.60. One airline flies nonstop from Sidney (SDY) to Billings (BIL): Cape Air. The two airports are 244 miles (393 km) apart.
How many miles SDY to BIL costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| American AAdvantageOn Cape Air | 12,500 | $5.60 |
Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from SDY to BIL
- Cape AirNot in an alliance Β· 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
How many miles does SDY to BIL cost?
In economy it starts at 12,500 miles one way with American AAdvantage on Cape Air, plus taxes and fees from $5.60. These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
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.
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.