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Santa Rosa

$149+ Cheap flights from O'Hare Intl (ORD) 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Santa Rosa

Cheapest flights from O'Hare Intl to Santa Rosa
Explore the most affordable flight options available from O'Hare Intl to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/258:39 amORD - STS
1 stop8h 05mAlaska Airlines
Thu 1/18:17 pmSTS - ORD
1 stop6h 45mAlaska Airlines
Deal found 12/17$624
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/216:00 amORD - STS
1 stop9h 32mAlaska Airlines
Thu 12/258:17 pmSTS - ORD
1 stop6h 45mAlaska Airlines
Deal found 12/16$668
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/258:39 amORD - STS
1 stop8h 05mAlaska Airlines
Sun 1/48:17 pmSTS - ORD
1 stop6h 45mAlaska Airlines
Deal found 12/15$702
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/223:37 pmORD - STS
1 stop10h 22mAlaska Airlines
Thu 1/18:17 pmSTS - ORD
1 stop6h 45mAlaska Airlines
Deal found 12/16$703
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/168:00 amORD - STS
2 stops15h 42mAlaska Airlines
Wed 12/247:00 amSTS - ORD
2 stops11h 02mAlaska Airlines
Deal found 12/15$725
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/258:39 amORD - STS
1 stop8h 05mAlaska Airlines
Fri 1/28:17 pmSTS - ORD
1 stop6h 45mAlaska Airlines
Deal found 12/15$753
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:00 amORD - STS
2 stops15h 02mAlaska Airlines
Thu 1/18:17 pmSTS - ORD
1 stop6h 45mAlaska Airlines
Deal found 12/17$776
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/233:37 pmORD - STS
1 stop10h 22mAlaska Airlines
Sat 1/36:00 amSTS - ORD
1 stop28h 13mAlaska Airlines
Deal found 12/16$786

Find flight deals from O'Hare Intl to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$286
(Alaska Airlines)

One-way from

$149
(Alaska Airlines)

Popular in

September

Cheapest in

December

Average price

$239
Provider with most accurate pricing for Chicago O'Hare Intl-Santa Rosa Sonoma County flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Santa Rosa Sonoma County flights.
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From Chicago O'Hare Intl to Santa Rosa Sonoma County
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One-way flight from Chicago O'Hare Intl to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Santa Rosa that are best for you.

Fly from

O'Hare Intl

Fly to

Santa Rosa

Route

Depart

Return

Price

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 1/26

6:06 pm-12:22 pm

2 stops20h 16m

Santa Rosa Sonoma County

Wed 1/28

2:30 pm-11:37 pm

1 stop7h 07m

$286

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 2/2

8:00 am-12:22 pm

2 stops30h 22m

Santa Rosa Sonoma County

Tue 2/3

2:30 pm-11:37 pm

1 stop7h 07m

$286

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 1/26

3:44 pm-11:11 pm

1 stop9h 27m

Santa Rosa Sonoma County

Tue 1/27

2:30 pm-11:37 pm

1 stop7h 07m

$289

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Thu 1/8

3:44 pm-11:11 pm

1 stop9h 27m

Santa Rosa Sonoma County

Mon 1/12

6:52 pm-2:29 pm

1 stop17h 37m

$290

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Thu 1/22

3:44 pm-11:11 pm

1 stop9h 27m

Santa Rosa Sonoma County

Mon 1/26

6:52 pm-2:29 pm

1 stop17h 37m

$290

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 1/13

8:00 am-12:22 pm

2 stops30h 22m

Santa Rosa Sonoma County

Tue 1/20

6:50 am-2:38 pm

2 stops29h 48m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 1/20

8:00 am-12:22 pm

2 stops30h 22m

Santa Rosa Sonoma County

Tue 1/27

6:50 am-5:10 pm

2 stops8h 20m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 2/3

6:06 pm-12:22 pm

2 stops20h 16m

Santa Rosa Sonoma County

Thu 2/5

6:50 am-11:50 pm

2 stops15h 00m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 1/6

6:00 am-7:02 pm

2 stops15h 02m

Santa Rosa Sonoma County

Sat 1/17

11:05 am-2:29 pm

2 stops25h 24m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Thu 1/8

3:44 pm-11:11 pm

1 stop9h 27m

Santa Rosa Sonoma County

Sat 1/17

11:05 am-2:29 pm

2 stops25h 24m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 17 results
1
2

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Santa Rosa in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Chicago O'Hare Intl Airport-Santa Rosa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Santa Rosa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Santa Rosa flights, Cheapflights users trust eDreams the most. eDreams 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 O'Hare Intl Airport-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 O'Hare Intl to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Santa Rosa

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Santa Rosa?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Santa Rosa (average of $131). Flying from Chicago O'Hare Intl Airport to Santa Rosa in December is currently the most expensive (average of $197). 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 ORD to STS?

Find hourly flight availability from O'Hare Intl 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 18, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Santa Rosa is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 53% on airfare.

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 18, 2025.
Read reviews from past customers who have flown Hawaiian Airlines and American Airlines from Chicago O'Hare Intl Airport to Santa Rosa. 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.
Hawaiian Airlines
7.8
Good
2,820 reviews

Entertainment

7.1

Boarding

8.0

Overall

7.8

Food

6.9

Crew

8.5

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Nov 2025

OGG - SEA

They changed my flight to another one going through another city and I had to contact them in order to check in. Seemed to work out because my original flight ended up being delayed which would have made me miss my connection.
Hawaiian Airlines
7.8
Good
2,820 reviews
Hawaiian Airlines
7.8
Good
2,820 reviews

Entertainment

7.1

Boarding

8.0

Overall

7.8

Food

6.9

Crew

8.5

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Nov 2025

OGG - SEA

They changed my flight to another one going through another city and I had to contact them in order to check in. Seemed to work out because my original flight ended up being delayed which would have made me miss my connection.
American Airlines
7.2
Good
11,054 reviews
Hawaiian Airlines
7.8
Good
2,820 reviews

Entertainment

7.1

Boarding

8.0

Overall

7.8

Food

6.9

Crew

8.5

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Nov 2025

OGG - SEA

They changed my flight to another one going through another city and I had to contact them in order to check in. Seemed to work out because my original flight ended up being delayed which would have made me miss my connection.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County is the airport most travelers will use when flying to Santa Rosa from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Sonoma County (STS) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 2 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Santa Rosa?

    A quick flight from Chicago O'Hare Intl Airport to Santa Rosa can take about 20h 16m. Alaska Airlines provides one of the quickest options available for as low as $286. There are 1842 mi between Chicago O'Hare Intl Airport and Santa Rosa.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Santa Rosa round-trip?

    Flying on American Airlines is currently your cheapest option to Santa Rosa, with prices starting at $384. Another option worth looking into is Hawaiian Airlines, starting at $444 round trip. You may be able to fly from Chicago O'Hare Intl Airport to Santa Rosa for 38% less than the average price by searching for these airlines.

  • Can I find deals for flights from O'Hare Intl to Santa Rosa that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Santa Rosa?

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

  • Can I find deals for business class flights from O'Hare Intl to Santa Rosa?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Santa Rosa?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Santa Rosa (average of $131). Flying from Chicago O'Hare Intl Airport to Santa Rosa in December is currently the most expensive (average of $197). 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

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Alternative routes for O'Hare Intl 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 O'Hare Intl to Santa Rosa

Discover the top 2 airlines that operate flights from O'Hare Intl 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$384Average$783FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$444Average$547FlexibilityNo cancel feeOn-time85%

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