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O'Hare Intl

$109+ Cheap flights from Santa Rosa (STS) to O'Hare Intl (ORD)

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Santa Rosa to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to O'Hare Intl (ORD). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Mytrip)

One-way from

$109
(Mytrip)

Popular in

January

Cheapest in

December

Average price

$338
Provider with most accurate pricing for Santa Rosa Sonoma County-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Chicago O'Hare Intl flights.
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From Santa Rosa Sonoma County to Chicago O'Hare Intl
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One-way flight from Santa Rosa Sonoma County to Chicago O'Hare Intl
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Santa Rosa to O'Hare Intl

Cheapest flights from Santa Rosa to O'Hare Intl
Explore the most affordable flight options available from Santa Rosa to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/18. 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.
Mon 3/39:10 amSTS - ORD
1 stop18h 57mMultiple Airlines
Thu 3/69:47 pmORD - STS
1 stop17h 35mMultiple Airlines
Deal found 2/18$234
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/94:17 pmSTS - ORD
1 stop6h 23mAmerican Airlines
Tue 4/156:00 amORD - STS
1 stop8h 17mAmerican Airlines
Deal found 2/19$323
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/93:09 pmSTS - ORD
2 stops12h 31mAlaska Airlines
Tue 4/153:16 pmORD - STS
1 stop20h 09mAlaska Airlines
Deal found 2/19$379
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 10/97:00 pmSTS - ORD
1 stop8h 04mHawaiian Airlines
Fri 10/107:45 amORD - STS
1 stop8h 03mHawaiian Airlines
Deal found 2/20$565

Find flights from Santa Rosa to O'Hare Intl within your budget

Customize your flight search to find flights from Santa Rosa to O'Hare Intl 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 February 20, 2025.

Fly from

Santa Rosa

Fly to

O'Hare Intl

Route

Depart

Return

Price

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 3/3

9:10 am-6:07 am

1 stop18h 57m

Chicago O'Hare Intl

Thu 3/6

9:47 pm-1:22 pm

1 stop17h 35m

$234

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 4/9

4:17 pm-12:40 am

1 stop6h 23m

Chicago O'Hare Intl

Tue 4/15

6:00 am-12:17 pm

1 stop8h 17m

$323

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 4/9

3:09 pm-5:40 am

2 stops12h 31m

Chicago O'Hare Intl

Tue 4/15

3:16 pm-9:25 am

1 stop20h 09m

$379

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 3/31

9:16 am-8:13 pm

2 stops32h 57m

$109

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 5/7

12:30 pm-9:09 pm

1 stop6h 39m

$162

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 5/6

12:45 pm-6:05 am

2 stops15h 20m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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

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

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

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

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Chicago O'Hare Intl Airport (average of $245). Flying from Santa Rosa to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 STS to ORD?

Find hourly flight availability from Santa Rosa to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 2% on flights from Santa Rosa to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated February 20, 2025.
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to O'Hare Intl. 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 from for flights from Santa Rosa to 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 Chicago O'Hare Intl from Santa Rosa. Booking flights from Sonoma County (STS) to Chicago O'Hare Intl should be relatively easy as there are 0 daily outbound flights to Chicago O'Hare Intl from 2 different airlines.

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

    According to our current data, American Airlines ($323), and Alaska Airlines ($379) offers the cheapest pricing from Santa Rosa to Chicago O'Hare Intl Airport. These flights start at 45% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Chicago O'Hare Intl Airport (average of $245). Flying from Santa Rosa to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Naperville
Rosemont
Schaumburg
Beloit
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Arlington Heights
Northbrook
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Evanston
Des Plaines
Elgin

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Alternative routes for Santa Rosa to O'Hare Intl

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Top 2 airlines flying from Santa Rosa to O'Hare Intl

Discover the top 2 airlines that operate flights from Santa Rosa to O'Hare Intl. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$693FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$333Average$629FlexibilityNo cancel feeOn-time75%
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