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Cheap flights from Santa Rosa to Ontario (STS - ONT) from $128

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 7/10. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 2, 2024.

Round-trip from

$238

One-way from

$128
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 30 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 Alaska Airlines flights from Santa Rosa to Ontario

Explore cheap flight options specifically provided by Alaska Airlines for the route between Santa Rosa and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Find some of the cheapest Alaska Airlines flights traveling from Santa Rosa to Ontario. Deals update often to give you more flight options matching your criteria
Tue 11/57:00 amSTS - ONT
1 stop8h 20mAlaska Airlines
Fri 11/88:59 pmONT - STS
1 stop17h 51mAlaska Airlines
Deal found 6/2$402
Mon 7/82:44 pmSTS - ONT
1 stop18h 21mAlaska Airlines
Wed 7/108:20 pmONT - STS
1 stop25h 34mAlaska Airlines
Deal found 6/1$422
Mon 7/82:44 pmSTS - ONT
1 stop18h 21mAlaska Airlines
Wed 7/106:00 amONT - STS
2 stops12h 00mAlaska Airlines
Deal found 6/1$427
Wed 7/242:44 pmSTS - ONT
1 stop9h 15mAlaska Airlines
Thu 8/18:20 pmONT - STS
2 stops14h 21mAlaska Airlines
Deal found 6/2$447
Tue 6/2511:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Wed 6/2610:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/1$462
Tue 6/257:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Wed 6/2610:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/1$467
Wed 7/2411:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Thu 8/16:00 amONT - STS
2 stops28h 41mAlaska Airlines
Deal found 6/2$482
Sat 6/293:54 pmSTS - ONT
2 stops17h 11mAlaska Airlines
Mon 7/18:20 pmONT - STS
1 stop17h 30mAlaska Airlines
Deal found 6/1$497
Tue 6/257:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Wed 6/266:00 amONT - STS
1 stop7h 50mAlaska Airlines
Deal found 6/1$502

Cheap American Airlines flights from Santa Rosa to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Santa Rosa and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Some of the best deals we've found on American Airlines flights traveling from Santa Rosa to Ontario. Deals frequently update to provide users with more options.
Wed 7/244:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Thu 8/19:19 amONT - STS
1 stop6h 22mAmerican Airlines
Deal found 6/2$336
Sat 6/294:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 7/17:26 pmONT - STS
1 stop20h 18mAmerican Airlines
Deal found 6/1$375
Sat 6/294:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sat 7/66:15 amONT - STS
1 stop9h 28mAmerican Airlines
Deal found 6/1$455
Thu 6/204:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/239:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/1$471
Fri 7/264:11 pmSTS - ONT
1 stop5h 29mAmerican Airlines
Sun 7/289:19 amONT - STS
1 stop6h 21mAmerican Airlines
Deal found 6/1$476
Sun 10/64:19 pmSTS - ONT
1 stop5h 37mAmerican Airlines
Sat 10/129:50 amONT - STS
1 stop5h 52mAmerican Airlines
Deal found 6/1$588
Fri 6/214:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sat 6/229:24 amONT - STS
1 stop6h 19mAmerican Airlines
Deal found 6/2$598
Thu 6/204:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 6/247:26 pmONT - STS
1 stop20h 18mAmerican Airlines
Deal found 6/1$717
Thu 7/114:11 pmSTS - ONT
1 stop5h 29mAmerican Airlines
Sun 7/144:31 pmONT - STS
1 stop23h 10mAmerican Airlines
Deal found 6/2$725

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 2,807,690 searches. Prices were last updated on June 2, 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.
Sat 6/294:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 7/17:26 pmONT - STS
1 stop20h 18mAmerican Airlines
Deal found 6/1$375
Sat 6/294:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sat 7/66:15 amONT - STS
1 stop9h 28mAmerican Airlines
Deal found 6/1$455
Tue 6/2511:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Wed 6/2610:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/1$462
Tue 6/257:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Wed 6/2610:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/1$467
Thu 6/204:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/239:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/1$471
Sat 6/293:54 pmSTS - ONT
2 stops17h 11mAlaska Airlines
Mon 7/18:20 pmONT - STS
1 stop17h 30mAlaska Airlines
Deal found 6/1$497
Tue 6/257:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Wed 6/266:00 amONT - STS
1 stop7h 50mAlaska Airlines
Deal found 6/1$502
Thu 6/202:44 pmSTS - ONT
1 stop9h 15mAlaska Airlines
Sun 6/239:09 pmONT - STS
2 stops20h 42mAlaska Airlines
Deal found 6/1$650
Mon 6/34:20 pmSTS - ONT
1 stop6h 09mAmerican Airlines
Tue 6/49:30 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/2$655

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 2,807,690 searches. Data last updated June 2, 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 7/244:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Thu 8/19:19 amONT - STS
1 stop6h 22mAmerican Airlines
Deal found 6/2$336
Sat 6/294:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Mon 7/17:26 pmONT - STS
1 stop20h 18mAmerican Airlines
Deal found 6/1$375
Mon 7/82:44 pmSTS - ONT
1 stop18h 21mAlaska Airlines
Wed 7/108:20 pmONT - STS
1 stop25h 34mAlaska Airlines
Deal found 6/1$422
Mon 7/82:44 pmSTS - ONT
1 stop18h 21mAlaska Airlines
Wed 7/106:00 amONT - STS
2 stops12h 00mAlaska Airlines
Deal found 6/1$427
Wed 7/242:44 pmSTS - ONT
1 stop9h 15mAlaska Airlines
Thu 8/18:20 pmONT - STS
2 stops14h 21mAlaska Airlines
Deal found 6/2$447
Sat 6/294:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sat 7/66:15 amONT - STS
1 stop9h 28mAmerican Airlines
Deal found 6/1$455
Tue 6/2511:21 amSTS - ONT
2 stops12h 38mAlaska Airlines
Wed 6/2610:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/1$462
Tue 6/257:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Wed 6/2610:00 amONT - STS
2 stops8h 00mAlaska Airlines
Deal found 6/1$467
Thu 6/204:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/239:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/1$471

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 2,807,690 searches. Data last updated June 2, 2024.
Check out these flights departing soon from Santa Rosa to Ontario. Users should examine the flight details to ensure there are no surprises.
Fri 6/74:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/97:26 pmONT - STS
1 stop20h 18mAmerican Airlines
Deal found 6/2$783
Sun 6/97:00 amSTS - ONT
1 stop8h 26mAlaska Airlines
Sun 6/98:09 pmONT - STS
1 stop17h 15mAlaska Airlines
Deal found 6/1$1,172
Wed 6/124:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Fri 6/149:24 amONT - STS
1 stop6h 20mAmerican Airlines
Deal found 6/2$1,242
Wed 6/124:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Fri 6/1411:59 pmONT - STS
2 stops15h 44mAmerican Airlines
Deal found 6/2$2,456
Fri 6/74:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Sun 6/911:59 pmONT - STS
2 stops15h 45mAmerican Airlines
Deal found 6/2$2,636

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 2,807,690 searches. Data last updated June 2, 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.
Wed 7/104:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Deal found 6/1$128
Tue 7/94:11 pmSTS - ONT
1 stop5h 29mAmerican Airlines
Deal found 6/1$170
Tue 6/257:03 pmSTS - ONT
1 stop27h 37mAlaska Airlines
Deal found 6/1$207
Tue 6/257:03 pmSTS - ONT
2 stops28h 56mAlaska Airlines
Deal found 6/1$212
Tue 7/97:00 amSTS - ONT
1 stop16h 59mAlaska Airlines
Deal found 6/2$217
Tue 7/96:35 amSTS - ONT
2 stops17h 24mAlaska Airlines
Deal found 6/2$222
Sat 6/84:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Deal found 6/1$228
Fri 6/74:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Deal found 6/1$267
Fri 6/214:14 pmSTS - ONT
1 stop5h 26mAmerican Airlines
Deal found 6/1$299

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$336 - $471

Route

Depart

Return

Price

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Wed 7/24

1 stop5h 26m

Ontario

Thu 8/1

1 stop6h 22m

$336

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Sat 6/29

1 stop5h 26m

Ontario

Mon 7/1

1 stop20h 18m

$375

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Tue 11/5

1 stop8h 20m

Ontario

Fri 11/8

1 stop17h 51m

$402

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Mon 7/8

1 stop18h 21m

Ontario

Wed 7/10

1 stop25h 34m

$422

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Mon 7/8

1 stop18h 21m

Ontario

Wed 7/10

2 stops12h 00m

$427

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Wed 7/24

1 stop9h 15m

Ontario

Thu 8/1

2 stops14h 21m

$447

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Sat 6/29

1 stop5h 26m

Ontario

Sat 7/6

1 stop9h 28m

$455

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Tue 6/25

2 stops12h 38m

Ontario

Wed 6/26

2 stops8h 00m

$462

Santa Rosa Sonoma CountyOntario

STS - ONT

STSONT

Santa Rosa Sonoma County

Thu 6/20

1 stop5h 26m

Ontario

Sun 6/23

1 stop6h 20m

$471

Flights are sorted by cheapest first

Deals found on 6/2

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

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 2, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines and American 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
9,198 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.3

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
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.3

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 $400 on Cheapflights?

    Yes, there are multiple flights from Santa Rosa to Ontario for under $400. The cheapest flight booked recently is on American Airlines for just $336, but on average you can expect to pay $483.

  • Are there last-minute flights available from Santa Rosa to Ontario for under $800?

    There are currently 5+ open flights from Santa Rosa to Ontario within the next 7 days for less than $800.

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

    American Airlines, at $336, 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 6/2.

  • 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 $238). Flying from Santa Rosa to Ontario in July is currently the most expensive (average of $328). 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.

See more FAQs

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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.

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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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$88Average$187FlexibilityNo cancel feeOn-timeN/A
Search Breeze Airways flights
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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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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Santa Rosa to Ontario?

Cheapflights helps you search for flights from Santa Rosa to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Santa Rosa to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Santa Rosa.

Can Cheapflights find flights from Santa Rosa to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Santa Rosa to Ontario with no change fees.

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Of course! You can now track prices for flights from Santa Rosa to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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