2025 Cheap Flights from Ontario to Santa Rosa from ️

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Flights to Santa Rosa

Flights from Ontario to Santa Rosa

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Ontario to Santa Rosa | Find Cheap Flight Deals

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

ONT01:00 pm
3h 5m
Nonstop
RSA02:00 pm
Mon, Jan 13|Ontario - Santa Rosa|Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Ontario to Santa Rosa?

Explore the best time to buy affordable tickets to Santa Rosa with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Ontario (ONT) to Santa Rosa (RSA) the cheapest?
Airlines adjust prices for flights from Ontario to Santa Rosa based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Ontario (ONT) to Santa Rosa (RSA) cost?
According to Trip.com's data, the lowest price is around $2,474.
What is the transportation method from the main airport to downtown in Santa Rosa?
- The distance from Santa Rosa Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Ontario to Santa Rosa

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com