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$44+ Cheap flights from Ontario to Santa Rosa (ONT - STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STS
Dec 25 — Jan 11
Wed 12/25
Wed 1/1
1 adult, Economy
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Cheap flight deals from Ontario to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Santa Rosa (STS). 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 December 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$108
(Mytrip)

One-way from

$44
(Trip.com)

Popular in

July

Cheapest in

December

Average price

$72
Provider with most accurate pricing for Ontario-Santa Rosa Sonoma County flight deals.
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Provider most trusted by Cheapflights users for Ontario-Santa Rosa Sonoma County flights.
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From Ontario to Santa Rosa Sonoma County
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One-way flight from Ontario to Santa Rosa Sonoma County
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High demand for flights, 16% potential price rise
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Best time to find cheap flights, 12% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Ontario to Santa Rosa

Cheapest flights from Ontario to Santa Rosa
Explore the most affordable flight options available from Ontario to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2024.

This American Airlines deal was found by Cheapflights users on 12/19. 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.
Sun 12/295:38 amONT - STS
1 stop6h 45mAmerican Airlines
Mon 1/612:53 pmSTS - ONT
1 stop5h 32mAmerican Airlines
Deal found 12/19$406
This eDestinos deal was found by Cheapflights users on 12/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/229:11 amONT - STS
Nonstop1h 33mMultiple Airlines
Sun 12/291:17 pmSTS - ONT
2 stops23h 28mMultiple Airlines
Deal found 12/20$488
This Alaska Airlines deal was found by Cheapflights users on 12/19. 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.
Sun 12/298:32 pmONT - STS
2 stops44h 03mAlaska Airlines
Mon 1/612:30 pmSTS - ONT
2 stops46h 04mAlaska Airlines
Deal found 12/19$648

Find flights from Ontario to Santa Rosa within your budget

Customize your flight search to find flights from Ontario to Santa Rosa 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 December 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSanta Rosa

ONT - STS

ONTSTS

Ontario

Thu 1/2

9:11 am-10:44 am

Nonstop1h 33m

Santa Rosa Sonoma County

Sun 1/5

7:00 am-8:26 am

Nonstop1h 26m

$108

OntarioSanta Rosa

ONT - STS

ONTSTS

Ontario

Fri 2/14

6:13 am-12:14 pm

1 stop6h 01m

Santa Rosa Sonoma County

Sat 2/15

12:54 pm-6:26 pm

1 stop5h 32m

$252

OntarioSanta Rosa

ONT - STS

ONTSTS

Ontario

Wed 1/15

6:00 am-9:21 am

2 stops27h 21m

Santa Rosa Sonoma County

Wed 1/22

11:12 am-8:13 pm

2 stops9h 01m

$292

OntarioSanta Rosa

ONT - STS

ONTSTS

Ontario

Sun 1/5

9:11 am-10:44 am

Nonstop1h 33m

$44

OntarioSanta Rosa

ONT - STS

ONTSTS

Ontario

Fri 1/24

6:10 am-12:28 pm

1 stop6h 18m

$128

OntarioSanta Rosa

ONT - STS

ONTSTS

Ontario

Tue 3/4

6:00 am-10:06 am

1 stop28h 06m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Compare providers for flights from Ontario to Santa Rosa

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 Ontario to Santa Rosa in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Santa Rosa 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 Ontario-Santa Rosa 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 Ontario to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Santa Rosa

Get recent, data-driven insights about flights from Ontario to Santa Rosa including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Ontario to Santa Rosa (average of $202). Flying from Ontario to Santa Rosa in June is currently the most expensive (average of $395). 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 ONT to STS?

Find hourly flight availability from Ontario to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 20, 2024.

It’s optimal to fly from Ontario to Santa Rosa in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated December 20, 2024.
To help decide which airline to fly from Ontario to Santa Rosa, see what other customers have to say about American Airlines and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,545 reviews

Overall

8.0

Food

7.2

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,545 reviews
Alaska Airlines
8.0
Very good
9,545 reviews

Overall

8.0

Food

7.2

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Avelo Airlines
7.5
Good
74 reviews
Alaska Airlines
8.0
Very good
9,545 reviews

Overall

8.0

Food

7.2

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,545 reviews

Overall

8.0

Food

7.2

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Santa Rosa round-trip?

    Cheapflights users have booked flights from Ontario to Santa Rosa round-trip from $108. Other airlines that can offer you cheap pricing are American Airlines, from $252, and Alaska Airlines, from $292. Avelo Airlines is currently priced 64% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Santa Rosa one-way?

    For one-way options, check prices for Avelo Airlines. According to our data, you can fly for as low as $44. Users have also found prices from $128 and $147 on American Airlines and Alaska Airlines, respectively.

  • What are the cheapest flights from Ontario to Santa Rosa?

    Looking at all options, your cheapest flight can be booked for $33. While the most popular route (Ontario - Santa Rosa Sonoma County) can be booked for $82 on average our data indicates $71 when flying from Ontario to Santa Rosa.

  • Can I find deals for flights from Ontario to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Ontario to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Santa Rosa.

  • Can I find deals for business class flights from Ontario to Santa Rosa?

    Yes. Cheapflights offers flight deals from Ontario to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Santa Rosa (average of $202). Flying from Ontario to Santa Rosa in June is currently the most expensive (average of $395). 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.

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Top 2 airlines flying from Ontario to Santa Rosa

Discover the top 2 airlines that operate flights from Ontario to Santa Rosa. 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 December 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$67Average$88FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$447FlexibilityNo cancel feeOn-time71%
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