App
Customer Support
AED
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Santa Rosa to Ontario | 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
    • RSA01:00 pm
      3h 5m
      Nonstop
      ONT02:00 pm
      Wed, Mar 5|Santa Rosa - Ontario|Normal Airline
      Search Flights
      Search Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Santa Rosa to Ontario?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Ontario from Santa Rosa have changed and are set to move below.

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 Santa Rosa (RSA) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Santa Rosa to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

How to find a cheap flight from Santa Rosa to Ontario

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.
1
Being flexible with your dates to get the cheapest Santa Rosa to Ontario ticket.
Tap "Date" on flight search bar to get the calender for Santa Rosa to Ontario airfare over next 6 months in 2025.
2
Compare cheap Santa Rosa to Ontario flight deals from over hundreds of airlines.
Compare prices from over 500 airlines with our powerful search and find the cheapest flight tickets from Santa Rosa to Ontario.
3
Set up a Price Alert
By setting up a Price Alert for your Santa Rosa to Ontario route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Santa Rosa to Ontario flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Santa Rosa to Ontario to get exclusive deals for you.

Flight Info | Santa Rosa to Ontario

Flight distance7,739.61 km

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.