Santa Rosa

$137+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STS
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$275
(Alaska Airlines)

One-way from

$137
(Alaska Airlines)

Popular in

March

Cheapest in

July

Average price

$612
From Chicago O'Hare Intl to Santa Rosa Sonoma County
One-way flight from Chicago O'Hare Intl to Santa Rosa Sonoma County
Highest demand for flights based on searches. 7% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 10/226:00 amORD - STS
1 stop9h 34mAlaska Airlines
Wed 10/297:00 amSTS - ORD
1 stop12h 39mAlaska Airlines
Deal found 6/11$275
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amORD - STS
1 stop9h 37mHawaiian Airlines
Fri 11/142:29 pmSTS - ORD
1 stop7h 30mHawaiian Airlines
Deal found 6/10$362
This eDestinos deal was found by Cheapflights users on 6/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/259:56 pmORD - STS
1 stop18h 29mMultiple Airlines
Fri 8/110:00 amSTS - ORD
1 stop9h 06mMultiple Airlines
Deal found 6/10$418
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 6/287:01 pmORD - STS
2 stops22h 36mAmerican Airlines
Sat 7/51:01 pmSTS - ORD
1 stop9h 47mAmerican Airlines
Deal found 6/10$577

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 June 12, 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

Wed 10/22

6:00 am-1:34 pm

1 stop9h 34m

Santa Rosa Sonoma County

Wed 10/29

7:00 am-9:39 pm

1 stop12h 39m

$275

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sun 11/9

6:00 am-1:37 pm

1 stop9h 37m

Santa Rosa Sonoma County

Fri 11/14

2:29 pm-11:59 pm

1 stop7h 30m

$362

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Fri 7/25

9:56 pm-2:25 pm

1 stop18h 29m

Santa Rosa Sonoma County

Fri 8/1

10:00 am-9:06 pm

1 stop9h 06m

$418

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sat 6/28

7:01 pm-3:37 pm

2 stops22h 36m

Santa Rosa Sonoma County

Sat 7/5

1:01 pm-12:48 am

1 stop9h 47m

$577

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 10/29

8:00 am-1:37 pm

1 stop7h 37m

$137

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 6/30

7:35 am-12:40 pm

1 stop7h 05m

$290

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Wed 10/29

1:00 pm-11:56 pm

3 stops12h 56m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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.

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines and American Airlines from Chicago to Santa Rosa to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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

    Flying on Alaska Airlines is currently your cheapest option to Santa Rosa, with prices starting at $275. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and American Airlines, with the lowest prices starting at $362 and $577, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Santa Rosa for 53% 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, 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Fort Bragg
Ukiah

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$363Average$586FlexibilityNo cancel feeOn-time71%

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