Sidney-Richland Regional Airport
Sidney-Richland Regional Airport (SDY) currently has nonstop service to 2 destinations on 2 airlines in our latest departure data. The busiest route is to Billings (BIL), and the largest operator here is United Airlines.
Route data as of June 15, 2026, based on a 7-day departures sample.
How SDY is connected
0 international routes in this schedule set
United States 2
3-4/day
P212 · C340
SDY route guides with flight times
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
2 airlines fly direct from SDY
Ranked by destinations served, then daily frequency.
Direct flights to 2 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
- Search →
BIL · Billings1 airline · 3-4/day · P212
View SDY–BIL route guide →- United Airlines · P2123-4/day
Quick answers
Where is Sidney-Richland Regional Airport?
Sidney-Richland Regional Airport (SDY / KSDY) is located in Sidney, United States.
What is the IATA code for Sidney-Richland Regional Airport?
The IATA code is SDY. The ICAO code is KSDY.
What is the busiest route from SDY?
The busiest scheduled route from SDY in our current departure data is SDY to BIL (Billings), with 3-4/day.
Who is the largest operator at SDY?
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