A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| ONT → STS AS3031 | Economy | American Airlines | 10,000 | $5.00 | 3 | ||
| ONT → STS AS3031 | First | American Airlines | 17,500 | $5.00 | 3 |
Did you mean Flights from Santa Rosa to Ontario?
Ontario
United StatesONT
Ontario International Airport
Santa Rosa
United StatesSTS
Charles M. Schulz Sonoma County Airport
Ontario International Airport (ONT) serves Ontario; Charles M. Schulz Sonoma County Airport (STS) serves Santa Rosa.
The airports are 423 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from ONT to STS.
Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Oct 3, 2026 – Aug 9, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Oneworld
Ontario International Airport (ONT) is the origin airport and Charles M. Schulz Sonoma County Airport (STS) is the destination airport.
ONT and STS are approximately 423 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from ONT to STS.
Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Embraer 175 (short wing) (E75) and JET.