$84+ Cheap flights from Santa Rosa to Ontario (STS - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Santa Rosa to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Santa Rosa to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 24, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $84 (CheapOair) |
Popular in | May |
Cheapest in | December |
Average price | $93 |
Good round-trip deal | $81 or less |
Good one-way deal | $64 or less |
Find flight deals from Santa Rosa to Ontario
Cheapest flights from Santa Rosa to OntarioExplore the most affordable flight options available from Santa Rosa to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2025.
Explore the most affordable flight options available from Santa Rosa to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2025.
This American Airlines deal was found by Cheapflights users on 1/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Santa Rosa to Ontario within your budget
Customize your flight search to find flights from Santa Rosa to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 24, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Santa RosaOntario
STS - ONT
STSONT
Santa Rosa Sonoma County
Tue 2/11
12:58 pm-6:24 pm
1 stop5h 26m
Ontario
Wed 2/12
6:10 am-12:28 pm
1 stop6h 18m
Santa RosaOntario
STS - ONT
STSONT
Santa Rosa Sonoma County
Fri 3/7
7:28 pm-4:59 pm
1 stop21h 31m
Ontario
Sun 3/9
7:00 am-10:06 am
2 stops27h 06m
Santa RosaOntario
STS - ONT
STSONT
Santa Rosa Sonoma County
Mon 3/17
4:21 pm-10:00 pm
1 stop5h 39m
Santa RosaOntario
STS - ONT
STSONT
Santa Rosa Sonoma County
Tue 2/25
6:18 pm-4:59 pm
1 stop22h 41m
Compare providers for flights from Santa Rosa to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Ontario in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Santa Rosa-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Santa Rosa to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Santa Rosa with our price prediction graph.
Travel insights for flights from Santa Rosa to Ontario
Get recent, data-driven insights about flights from Santa Rosa to Ontario including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Santa Rosa to Ontario?
Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Ontario (average of $246). Flying from Santa Rosa to Ontario in March is currently the most expensive (average of $310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STS to ONT?
Find hourly flight availability from Santa Rosa to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 24, 2025.
One of the essential ways to save on airfare from Santa Rosa to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 74% on airfare.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 24, 2025.
Peruse reviews from past customers who have flown with American Airlines and Alaska Airlines from Santa Rosa to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Crew
Food
Comfort
Entertainment
Boarding
Reviews
One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Overall
Crew
Food
Comfort
Entertainment
Boarding
Reviews
One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Overall
Crew
Food
Comfort
Entertainment
Boarding
Reviews
One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Overall
Crew
Food
Comfort
Entertainment
Boarding
Reviews
One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Santa Rosa to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Santa Rosa to Ontario
Discover the top 3 airlines that operate flights from Santa Rosa to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$81 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$181 | Average$271 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$232 | Average$316 | FlexibilityNo cancel fee | On-time71% |