HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santa Rosa

$152+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STS
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 1, 2026.

This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:52 pm
ORD
-
STS
1 stop9h 35m
Alaska Airlines
Fri 5/88:00 pm
STS
-
ORD
1 stop15h 13m
Alaska Airlines
Deal found 4/1$275
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:52 pm
ORD
-
STS
1 stop9h 35m
Alaska Airlines
Wed 5/137:01 am
STS
-
ORD
1 stop9h 49m
Alaska Airlines
Deal found 4/1$289
This Trip.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/256:00 am
ORD
-
STS
1 stop8h 21m
Multiple Airlines
Sat 5/210:41 am
STS
-
ORD
1 stop17h 39m
Multiple Airlines
Deal found 3/28$304
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:10 pm
ORD
-
STS
1 stop11h 40m
Alaska Airlines
Tue 6/97:40 pm
STS
-
ORD
1 stop15h 41m
Alaska Airlines
Deal found 4/1$328
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 4/256:00 am
ORD
-
STS
1 stop8h 21m
Alaska Airlines
Tue 4/287:23 am
STS
-
ORD
1 stop27h 50m
Alaska Airlines
Deal found 4/1$336
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 4/214:10 pm
ORD
-
STS
1 stop9h 03m
Alaska Airlines
Tue 4/287:23 am
STS
-
ORD
1 stop9h 40m
Alaska Airlines
Deal found 3/28$337
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:50 am
ORD
-
STS
1 stop12h 16m
Alaska Airlines
Fri 5/810:01 am
STS
-
ORD
1 stop7h 02m
Alaska Airlines
Deal found 4/1$346
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/56:00 am
ORD
-
STS
1 stop8h 21m
Alaska Airlines
Sat 5/97:23 am
STS
-
ORD
1 stop9h 40m
Alaska Airlines
Deal found 3/30$347
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
ORD
-
STS
2 stops13h 27m
Alaska Airlines
Sun 5/108:00 pm
STS
-
ORD
1 stop25h 43m
Alaska Airlines
Deal found 4/1$349
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 5/56:00 am
ORD
-
STS
1 stop8h 21m
Alaska Airlines
Wed 5/61:13 pm
STS
-
ORD
1 stop8h 46m
Alaska Airlines
Deal found 3/29$357

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Expedia)

One-way from

$152
(Alaska Airlines)

Popular in

August

Cheapest in

December

Average price

$394
Provider with most accurate pricing for Chicago O'Hare Intl-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Santa Rosa Sonoma County flights.
Search Deals
From Chicago O'Hare Intl to Santa Rosa Sonoma County
Search Deals
One-way flight from Chicago O'Hare Intl to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 1, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 5/5

6:00 am-12:21 pm

1 stop8h 21m

Santa Rosa Sonoma County

Sat 5/9

10:01 am-7:03 pm

1 stop7h 02m

$347

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 4/21

2:09 pm-8:53 am

2 stops20h 44m

Santa Rosa Sonoma County

Tue 4/28

7:23 am-7:03 pm

1 stop9h 40m

$363

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 4/27

6:00 am-2:20 pm

2 stops34h 20m

Santa Rosa Sonoma County

Mon 5/4

7:23 am-7:03 pm

1 stop9h 40m

$431
Quickest round-trip

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 6/17

7:20 am-12:26 pm

1 stop7h 06m

Santa Rosa Sonoma County

Fri 6/19

7:03 pm-5:00 am

1 stop7h 57m

$472

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 5/27

9:00 am-2:13 pm

1 stop7h 13m

Santa Rosa Sonoma County

Mon 6/1

8:26 pm-6:20 am

1 stop7h 54m

$477

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Fri 8/14

6:20 am-6:23 pm

1 stop14h 03m

Santa Rosa Sonoma County

Sun 8/16

10:58 am-11:36 pm

1 stop10h 38m

$479

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 4/27

1:35 pm-10:40 pm

2 stops11h 05m

Santa Rosa Sonoma County

Mon 5/4

11:00 am-11:55 pm

2 stops10h 55m

$487
Cheapest one-way

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Thu 5/7

3:52 pm-11:27 pm

1 stop9h 35m

$195
Quickest one-way

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 7/1

7:20 am-12:26 pm

1 stop7h 06m

$213

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 5/11

3:52 pm-11:27 pm

1 stop9h 35m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 18 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Santa Rosa flight deals on Cheapflights vs. FlightHub >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 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 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, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Santa Rosa (average of $134). Flying from Chicago O'Hare Intl Airport to Santa Rosa in March is currently the most expensive (average of $225). 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.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Santa Rosa?

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 April 1, 2026.
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
2,838 reviews

Food

6.9

Overall

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.0

Comfort

7.7

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Hawaiian Airlines
7.8
Good
2,838 reviews
Hawaiian Airlines
7.8
Good
2,838 reviews

Food

6.9

Overall

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.0

Comfort

7.7

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
American Airlines
7.1
Good
11,548 reviews
Hawaiian Airlines
7.8
Good
2,838 reviews

Food

6.9

Overall

7.8

Entertainment

7.1

Crew

8.5

Boarding

8.0

Comfort

7.7

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.

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 9h 35m. Alaska Airlines provides one of the quickest options available for as low as $275. 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 Hawaiian Airlines is currently your cheapest option to Santa Rosa, with prices starting at $444. Another option worth looking into is American Airlines, starting at $478 round trip. You may be able to fly from Chicago O'Hare Intl Airport to Santa Rosa for 20% 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, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Santa Rosa (average of $134). Flying from Chicago O'Hare Intl Airport to Santa Rosa in March is currently the most expensive (average of $225). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$547FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$478Average$749FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.