Direct flights from Ontario to Santa Rosa

Did you mean flights from Santa Rosa to Ontario?

Ontario

United States

United States

ONT

Ontario International Airport

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Santa Rosa

United States

United States

STS

Charles M. Schulz Sonoma County Airport

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Flight schedule
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Click to show full flight schedule

Distance
422 miles  ·  (679 km)
Flight time
1 hour and 29 minutes
Airlines
  • Alaska
Alliances
  • Oneworld
  • SkyTeam
  • Star Alliance
Classes
  • Economy
  • Premium Economy
  • Business Class
  • First Class
Aircrafts
  • Embraer 175

Ontario to Santa Rosa Flight Schedule

Scan through all non-stop flights from Ontario to Santa Rosa. The full flight schedule below gives an overview of all non-stop flights from ONT to STS, which includes the daily timetable of every operating airline for the upcoming 12 months.

Note: for airline-specific flight schedules, please scroll further down.

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Return schedule

Best time to visit Santa Rosa

What is the best time to visit Santa Rosa?

🌿 🍇  Warm Mediterranean

In Santa Rosa, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.

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Santa Rosa is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.

Airlines flying from Ontario to Santa Rosa

Airline-specific flight schedules from Ontario to Santa Rosa

Currently, there is only one airline operating non-stop flights from Ontario ONT to Santa Rosa STS, which is Alaska. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their ONT STS flight schedule.

Alaska
Alaska flight schedulefrom Ontario to Santa Rosa

Alaska is a member of Oneworld
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Ontario to Santa Rosa Flights

Flights from ONT to STS are operated 3 times a week, with an average of 1 flight per day. Departure times vary between 12:48 - 18:43. The earliest flight departs at 12:48, the last flight departs at 18:43. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.

You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).

The fastest direct flight from Ontario to Santa Rosa takes 1 hour and 29 minutes. The flight distance between Ontario and Santa Rosa is 422 miles (or 679 km).

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Frequently asked questions - FAQ

How many airports are there in Santa Rosa?

There is 1 airport in Santa Rosa: Charles M. Schulz Sonoma County Airport (STS).

How many flights per week are there from ONT to STS?

There are 3 flights per week flying from Ontario to Santa Rosa (as of March 2026).

How long does it take to fly from Ontario to Santa Rosa?

1 hour and 29 minutes is the average flight time from Ontario to Santa Rosa.

How far is Santa Rosa from Ontario?

The distance from Ontario to Santa Rosa is 422 miles (679 kilometers).

What airlines fly nonstop from ONT airport to STS airport?

Alaska is the only airline flying nonstop from Ontario to Santa Rosa.

What alliances have direct flights from Ontario to Santa Rosa?

Oneworld is currently the only alliance flying nonstop from Ontario to Santa Rosa.

What classes are available from Ontario to Santa Rosa?

You can fly non-stop in Economy and Business Class.

What aircraft types fly from Ontario to Santa Rosa?

Aircraft types that fly from Ontario to Santa Rosa:

  • Embraer 175

What is the earliest flight departing from Ontario to Santa Rosa?

The earliest flight departs at 12:48 from Ontario and arrives at 14:20 at Santa Rosa.

What is the latest flight available from Ontario to Santa Rosa?

The latest flight departs at 18:43 from Ontario and arrives at 20:14 at Santa Rosa.

Non-stop flights from ONT to STS

422 miles (679 km)  ·  1h 29m

Round trip
1 passenger
Economy
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Return schedule
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  • Depart
  • Arrive
  • Airline
  • Flight no
  • Aircraft
  • Classes
  • 16:22

  • 18:22

  • Alaska

    Alaska

    Oneworld

  • AS 3273

  • Alaska

  • Embraer 175

  • Y

    W

    J

    F

  • 16:28

  • 18:28

  • Alaska

    Alaska

    Oneworld

  • AS 3273

  • Alaska

  • Embraer 175

  • Y

    W

    J

    F

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