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Cheap flights from Santa Rosa to Ontario (STS - ONT) from $216

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STS — ONT
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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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 June 6, 2024.

Round-trip from

$238

One-way from

$217
From Santa Rosa Sonoma County to Ontario
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One-way flight from Santa Rosa Sonoma County to Ontario
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What is the cheapest day to fly round-trip from Santa Rosa to Ontario?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 77%.

How far in advance should I book a flight from Santa Rosa to Ontario?

To save up to 55% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Santa Rosa to Ontario from $139 1-2 weeks out and tickets from $189 for flights departing within the next 72 hours.

What is the cheapest month to fly from Santa Rosa to Ontario?

The best pricing can be found in the month of April. Prices to Ontario from Santa Rosa average $148. You can even find prices in April for less than $148, as users have found deals to Ontario from as low as $44. The month of November appears to be one of the more expensive times to travel to Ontario from Santa Rosa. Flying in the targeted month can save you up to 14%.

What is the cheapest time of day to fly from STS to ONT?

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 at noon could potentially save you up to 62% on airfare.

Cheap Santa Rosa to Ontario flights in June & July 2024

Find cheap flight options from Santa Rosa to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 7/107:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Sat 7/136:00 amONT - STS
1 stop7h 50mAlaska Airlines
Deal found 6/6$452
Mon 7/87:00 amSTS - ONT
1 stop26h 05mAlaska Airlines
Wed 7/108:20 pmONT - STS
1 stop25h 36mAlaska Airlines
Deal found 6/5$472
Mon 7/87:00 amSTS - ONT
1 stop26h 05mAlaska Airlines
Wed 7/1010:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/5$477
Sat 7/2011:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Mon 7/2210:00 amONT - STS
2 stops24h 41mAlaska Airlines
Deal found 6/5$482
Sat 7/204:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 7/229:19 amONT - STS
1 stop30h 22mAmerican Airlines
Deal found 6/5$492
Thu 7/253:45 pmSTS - ONT
2 stops30h 55mAlaska Airlines
Mon 7/298:20 pmONT - STS
2 stops14h 21mAlaska Airlines
Deal found 6/5$511
Thu 7/253:45 pmSTS - ONT
2 stops30h 55mAlaska Airlines
Mon 7/298:20 pmONT - STS
1 stop17h 30mAlaska Airlines
Deal found 6/5$516
Fri 7/57:01 pmSTS - ONT
1 stop15h 59mAlaska Airlines
Fri 7/127:55 pmONT - STS
2 stops22h 05mAlaska Airlines
Deal found 6/5$521
Wed 7/174:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sat 7/209:19 amONT - STS
1 stop6h 24mAmerican Airlines
Deal found 6/5$522

Santa Rosa to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Santa Rosa and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 8/94:15 pmSTS - ONT
1 stop5h 25mAmerican Airlines
Sun 8/119:35 amONT - STS
1 stop6h 10mAmerican Airlines
Deal found 6/5$408
Wed 7/107:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Sat 7/136:00 amONT - STS
1 stop7h 50mAlaska Airlines
Deal found 6/6$452
Mon 7/87:00 amSTS - ONT
1 stop26h 05mAlaska Airlines
Wed 7/108:20 pmONT - STS
1 stop25h 36mAlaska Airlines
Deal found 6/5$472
Mon 7/87:00 amSTS - ONT
1 stop26h 05mAlaska Airlines
Wed 7/1010:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/5$477
Sat 7/2011:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Mon 7/2210:00 amONT - STS
2 stops24h 41mAlaska Airlines
Deal found 6/5$482
Fri 8/92:44 pmSTS - ONT
1 stop18h 21mAlaska Airlines
Sun 8/119:09 pmONT - STS
2 stops20h 42mAlaska Airlines
Deal found 6/5$490
Sat 7/204:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 7/229:19 amONT - STS
1 stop30h 22mAmerican Airlines
Deal found 6/5$492
Fri 8/92:44 pmSTS - ONT
2 stops31h 56mAlaska Airlines
Sun 8/119:09 pmONT - STS
2 stops20h 42mAlaska Airlines
Deal found 6/5$495
Thu 7/253:45 pmSTS - ONT
2 stops30h 55mAlaska Airlines
Mon 7/298:20 pmONT - STS
2 stops14h 21mAlaska Airlines
Deal found 6/5$511

Santa Rosa to Ontario flights leaving soon

Find last-minute flight options from Santa Rosa to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Check out these flights departing soon from Santa Rosa to Ontario. Users should examine the flight details to ensure there are no surprises.
Thu 6/134:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/169:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/5$653
Thu 6/134:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/169:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/6$662
Sat 6/154:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Wed 6/199:24 amONT - STS
1 stop6h 19mAmerican Airlines
Deal found 6/5$672
Wed 6/124:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Thu 6/139:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/5$708
Fri 6/144:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 6/174:36 pmONT - STS
1 stop23h 08mAmerican Airlines
Deal found 6/5$739
Tue 6/114:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Tue 6/189:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/6$752
Fri 6/144:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Fri 6/1411:59 pmONT - STS
1 stop11h 54mAmerican Airlines
Deal found 6/5$992
Fri 6/144:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Fri 6/1411:59 pmONT - STS
2 stops15h 44mAmerican Airlines
Deal found 6/5$997
Tue 6/114:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Tue 6/1812:49 pmONT - STS
2 stops26h 54mAmerican Airlines
Deal found 6/6$1,066

One-way flights to Ontario from Santa Rosa

Search for one-way flight options from Santa Rosa to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Users in need of a one-way flight from Santa Rosa to Ontario can choose from these deals. Those needing a return flight from Santa Rosa to Ontario can use the search form above.
Tue 7/1611:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Deal found 6/5$216
Tue 7/92:44 pmSTS - ONT
1 stop18h 21mAlaska Airlines
Deal found 6/6$217
Tue 7/96:35 amSTS - ONT
2 stops17h 24mAlaska Airlines
Deal found 6/6$222
Fri 7/264:11 pmSTS - ONT
1 stop5h 29mAmerican Airlines
Deal found 6/5$228
Wed 6/194:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Deal found 6/4$238
Fri 8/92:44 pmSTS - ONT
2 stops31h 56mAlaska Airlines
Deal found 6/5$242
Tue 7/211:21 amSTS - ONT
2 stops8h 04mAlaska Airlines
Deal found 6/4$266
Tue 7/211:21 amSTS - ONT
1 stop11h 19mAlaska Airlines
Deal found 6/4$267
Mon 10/144:53 pmSTS - ONT
2 stops18h 01mAlaska Airlines
Deal found 6/5$270

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$408 - $532

Route

Depart

Return

Price

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Fri 8/9

1 stop5h 25m

Ontario

Sun 8/11

1 stop6h 10m

$408

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Wed 7/10

1 stop16h 59m

Ontario

Sat 7/13

1 stop7h 50m

$452

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Mon 7/8

1 stop26h 05m

Ontario

Wed 7/10

1 stop25h 36m

$472

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Mon 7/8

1 stop27h 39m

Ontario

Wed 7/10

2 stops12h 00m

$477

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Sat 7/20

2 stops12h 38m

Ontario

Mon 7/22

2 stops24h 41m

$482

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Fri 8/9

1 stop18h 21m

Ontario

Sun 8/11

2 stops20h 42m

$490

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Sat 7/20

1 stop5h 26m

Ontario

Mon 7/22

1 stop30h 22m

$492

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Wed 7/17

1 stop5h 26m

Ontario

Sat 7/20

1 stop6h 24m

$522

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Fri 7/5

1 stop5h 29m

Ontario

Fri 7/12

1 stop6h 22m

$532

Flights are sorted by cheapest first

Deals found on 6/5

No data available for this route at this time. Please check back soon.

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.
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.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

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 June 6, 2024.
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.
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • Can I find flights from Santa Rosa to Ontario for under $500 on Cheapflights?

    Yes, there are multiple flights from Santa Rosa to Ontario for under $500. The cheapest flight booked recently is on American Airlines for just $408, but on average you can expect to pay $511.

  • Are there last-minute flights available from Santa Rosa to Ontario for under $700?

    There are currently 13+ open flights from Santa Rosa to Ontario within the next 7 days for less than $700.

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

    American Airlines, at $408, was found to be the cheapest airline from Santa Rosa to Ontario. An alternate airline flying to your destination would be Alaska Airlines.

  • What does STS to ONT mean?

    This is defined as Santa Rosa Sonoma County Airport (STS) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Santa Rosa to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Santa Rosa to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Santa Rosa to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Santa Rosa to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Santa Rosa to Ontario that allow pets onboard?

    Many airlines flying from Santa Rosa to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Santa Rosa to Ontario?

    Yes, you can often find last-minute deals on Santa Rosa to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Santa Rosa to Ontario flight deals updated?

    The Santa Rosa to Ontario flight deals you see on this page were last updated on 6/6.

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

    Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Ontario (average of $239). Flying from Santa Rosa to Ontario in July is currently the most expensive (average of $327). 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 airline flying from Santa Rosa to Ontario

Discover the top airline 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$88Average$187FlexibilityNo cancel feeOn-timeN/A
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Santa Rosa to Chicago O'Hare Intl Airport flights

Search flights from Santa Rosa to Ontario by cabin class

Find flights from Santa Rosa to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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