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$161+ Cheap flights from Chicago (CHI) to Santa Rosa (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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — STS
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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Cheap flight deals from Chicago to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 October 31, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

January

Cheapest in

September

Round-trip from

$326
(American Airlines)

One-way from

$161
(Alaska Airlines)
Provider with most accurate pricing for Chicago (CHI)-Santa Rosa Sonoma County flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Santa Rosa Sonoma County flights.
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High demand for flights, 29% potential price rise
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Best time to find cheap flights, 29% potential price drop
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From Chicago (CHI) to Santa Rosa Sonoma County
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One-way flight from Chicago (CHI) to Santa Rosa Sonoma County
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Find flight deals from Chicago to Santa Rosa

Cheapest flights from Chicago to Santa Rosa
Explore the most affordable flight options available from Chicago to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This American Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/106:00 amORD - STS
1 stop8h 25mAmerican Airlines
Tue 12/174:24 pmSTS - ORD
1 stop6h 16mAmerican Airlines
Deal found 10/31$326
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/611:25 amORD - STS
2 stops13h 08mMultiple Airlines
Mon 12/98:33 pmSTS - ORD
3 stops37h 32mMultiple Airlines
Deal found 10/30$328
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/66:32 amORD - STS
1 stop9h 38mAlaska Airlines
Mon 12/97:00 amSTS - ORD
1 stop20h 19mAlaska Airlines
Deal found 10/30$344

Find flights from Chicago to Santa Rosa within your budget

Customize your flight search to find flights from Chicago 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 12/16

6:32 am-2:10 pm

1 stop9h 38m

$161

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sun 12/15

9:32 pm-10:25 pm

2 stops26h 53m

$221

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Fri 3/7

6:00 am-12:25 pm

1 stop8h 25m

$277

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sat 3/1

5:56 pm-10:15 am

1 stop18h 19m

Santa Rosa Sonoma County

Tue 3/4

1:06 pm-4:58 pm

2 stops25h 52m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 12/10

6:00 am-12:25 pm

1 stop8h 25m

Santa Rosa Sonoma County

Tue 12/17

4:24 pm-12:40 am

1 stop6h 16m

$326

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Fri 12/6

11:25 am-10:33 pm

2 stops13h 08m

Santa Rosa Sonoma County

Mon 12/9

8:33 pm-12:05 pm

3 stops37h 32m

$328

Flights are sorted by cheapest first

Deals found on 10/31

Compare providers for flights from Chicago 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 Chicago to Santa Rosa in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

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

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Chicago 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 Chicago to Santa Rosa

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

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Santa Rosa (average of $200). Flying from Chicago to Santa Rosa in June is currently the most expensive (average of $396). 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 CHI to STS?

Find hourly flight availability from Chicago 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 October 31, 2024.

It’s optimal to fly from Chicago to Santa Rosa in the afternoon. By choosing this option you can save up to 20% 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 October 31, 2024.
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,420 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 airport do you fly into for flights to Santa Rosa from Chicago?

    Most people fly into Santa Rosa Sonoma County (STS) if they book a flight to Santa Rosa from Chicago. On average, Sonoma County has 0 inbound flights from Chicago per day from 2 airlines. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • Can I find flights from Chicago to Santa Rosa for under $400 on Cheapflights?

    Yes, there are multiple flights from Chicago to Santa Rosa for under $400. The cheapest flight booked recently is on American Airlines for just $326, but on average you can expect to pay $332.

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

    Our cheapest airline available from Chicago to Santa Rosa is American Airlines. Our recent data shows that you can find tickets from as low as $326 on this airline. An additional option worth looking into is Alaska Airlines, starting at $344. American Airlines is currently priced 42% below the average price you’ll pay for this route.

  • What does ORD to STS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport flight would often be abbreviated as a ORD to STS flight. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring on your Chicago to Santa Rosa 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 Chicago to Santa Rosa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Santa Rosa 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 Chicago to Santa Rosa that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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.

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

    Many airlines flying from Chicago to Santa Rosa 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 Chicago to Santa Rosa?

    Yes, you can often find last-minute deals on Chicago to Santa Rosa 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 Chicago to Santa Rosa flight deals updated?

    The Chicago to Santa Rosa flight deals you see on this page were last updated on 10/31.

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

    Currently, February is the cheapest month in which you can book a flight from Chicago to Santa Rosa (average of $200). Flying from Chicago to Santa Rosa in June is currently the most expensive (average of $396). 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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Alternative routes for Chicago to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Chicago to Santa Rosa

Discover the top 2 airlines that operate flights from Chicago 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$266Average$572FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$318Average$593FlexibilityNo cancel feeOn-time71%
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