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Santa Rosa

$135+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STS
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap 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 August 18, 2025.

Round-trip from

$269
(Alaska Airlines)

One-way from

$135
(Hawaiian Airlines)

Popular in

August

Cheapest in

July

Average price

$813
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
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 11/42:54 pmORD - STS
1 stop11h 03mAlaska Airlines
Mon 11/106:49 amSTS - ORD
1 stop10h 10mAlaska Airlines
Deal found 8/17$269
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:30 amORD - STS
1 stop19h 29mMultiple Airlines
Sat 9/207:03 amSTS - ORD
1 stop14h 10mMultiple Airlines
Deal found 8/17$278
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 10/188:00 amORD - STS
1 stop7h 36mAlaska Airlines
Sat 10/256:25 amSTS - ORD
1 stop15h 34mAlaska Airlines
Deal found 8/16$293
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:20 amORD - STS
1 stop9h 16mMultiple Airlines
Tue 9/237:03 amSTS - ORD
1 stop9h 11mMultiple Airlines
Deal found 8/17$301
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/168:00 amORD - STS
1 stop7h 36mAlaska Airlines
Tue 9/237:03 amSTS - ORD
2 stops15h 00mAlaska Airlines
Deal found 8/17$332
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 10/166:00 amORD - STS
2 stops19h 33mAlaska Airlines
Sat 10/256:25 amSTS - ORD
1 stop15h 34mAlaska Airlines
Deal found 8/16$337
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/88:00 amORD - STS
1 stop7h 36mAlaska Airlines
Sun 10/126:25 amSTS - ORD
1 stop10h 34mAlaska Airlines
Deal found 8/17$347

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 August 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

Tue 11/4

2:54 pm-11:57 pm

1 stop11h 03m

Santa Rosa Sonoma County

Mon 11/10

6:49 am-6:59 pm

1 stop10h 10m

$269

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sun 9/14

6:30 am-11:59 pm

1 stop19h 29m

Santa Rosa Sonoma County

Sat 9/20

7:03 am-11:13 pm

1 stop14h 10m

$278

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sat 10/18

8:00 am-1:36 pm

1 stop7h 36m

Santa Rosa Sonoma County

Sat 10/25

6:25 am-11:59 pm

1 stop15h 34m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 9/16

6:20 am-1:36 pm

1 stop9h 16m

Santa Rosa Sonoma County

Tue 9/23

7:03 am-6:14 pm

1 stop9h 11m

$301

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 9/16

8:00 am-1:36 pm

1 stop7h 36m

Santa Rosa Sonoma County

Tue 9/23

7:03 am-12:03 am

2 stops15h 00m

$332

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Thu 10/16

6:00 am-11:33 pm

2 stops19h 33m

Santa Rosa Sonoma County

Sat 10/25

6:25 am-11:59 pm

1 stop15h 34m

$337

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 10/8

8:00 am-1:36 pm

1 stop7h 36m

Santa Rosa Sonoma County

Sun 10/12

6:25 am-6:59 pm

1 stop10h 34m

$347

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 10/15

3:50 pm-11:16 pm

1 stop9h 26m

$135

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 9/30

1:01 pm-8:23 pm

1 stop9h 22m

$159

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 9/9

1:01 pm-8:23 pm

1 stop9h 22m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 13 results
1
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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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Santa Rosa (average of $202). Flying from Chicago O'Hare Intl Airport 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 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 August 18, 2025.

When flying from Chicago O'Hare Intl Airport to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 18, 2025.
Read reviews from past customers who have flown 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.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Overall

7.2

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

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 1 airline.

  • What is the cheapest airline to fly 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 $363. You may be able to fly from Chicago O'Hare Intl Airport to Santa Rosa for 40% less than the average price by searching for this airline.

  • 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Santa Rosa (average of $202). Flying from Chicago O'Hare Intl Airport 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.

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 airline flying from O'Hare Intl to Santa Rosa

Discover the top airline 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$363Average$658FlexibilityNo cancel feeOn-time71%

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