Cheap flights from Santa Rosa to Los Angeles from $123
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Los Angeles departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Santa Rosa to Ontario
Our best American Airlines deals on Santa Rosa to Ontario flight tickets
Alaska Airlines flights from Santa Rosa to Ontario
Our best Alaska Airlines deals on Santa Rosa to Ontario flight tickets
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How to get the cheapest flight ticket from Santa Rosa to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ontario?
In general, December is the cheapest month to fly from Santa Rosa to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $73. If you aren’t able to travel during the month of December, then book flights to Ontario from Santa Rosa during October instead. Flights to Ontario in October, while not as cheap as those in December, still average around $82.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $100. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Santa Rosa to Ontario for around $127.
What is the cheapest time of day to depart on your flight to Ontario?
At noon is the cheapest time of day to fly from Santa Rosa to Ontario when you can find flight prices for as low as $101. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $142 on average. Flights to Ontario from Santa Rosa in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Santa Rosa Sonoma County to Ontario flight route?
Fly from Santa Rosa Sonoma County to Ontario for the best Santa Rosa Sonoma County - Ontario flight prices
What is the cheapest airline that flies from Santa Rosa Sonoma County to Ontario?
American Airlines and Alaska Airlines are the most popular carriers operating from Santa Rosa Sonoma County to Ontario
What airlines fly to Ontario?
Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to Ontario from Santa Rosa according to our data. Frontier is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 11 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Santa Rosa to Ontario
Cheap Santa Rosa to Ontario (STS to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Ontario
How far is Santa Rosa Sonoma County to Ontario by plane?
The straight-line distance from Santa Rosa Sonoma County to Ontario is 413.2 mi. In terms of flight time, this usually takes a little over 4h 53m.
When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Ontario Airport?
Prices for flights from Santa Rosa Sonoma County Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Ontario Airport?
As of June 2025, there are 3 operators available to choose from for flights from Santa Rosa Sonoma County Airport to Ontario Airport.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Santa Rosa to Ontario?
Based on momondo bookings for flights between Santa Rosa and Ontario, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 14.29% of the total bookings. Other popular models include Airbus A320neo with 7.14%, Boeing 737 MAX 8 with 7.14%, and Embraer 175 (Enhanced Winglets) with 7.14%.
What is the most popular airline from Santa Rosa to Ontario?
momondo data reveals that the most frequently booked airline on the route from Santa Rosa to Ontario is Avelo Airlines, representing 60% of all bookings. The subsequent popular airlines are American Airlines at 29% and Alaska Airlines at 11%.
Best airlines flying from Santa Rosa to Ontario
Compare and see reviews for airlines that fly from Santa Rosa to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $57 | Free Cancellation | Rating 7.4 76 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 8.0 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Santa Rosa to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Santa Rosa to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from Santa Rosa to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Santa Rosa to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from Santa Rosa to Ontario?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santa Rosa to Ontario.
I’m not ready to book a flight from Santa Rosa to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Santa Rosa to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.