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

According to our current data, Alaska Airlines ($364), and American Airlines ($593) offers the cheapest pricing from Santa Rosa to Chicago O'Hare Intl Airport. These flights start at 38% lower than the current average price 3 months from now.

What is the cheapest day to fly from Santa Rosa to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Santa Rosa to Chicago O'Hare Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Santa Rosa to Chicago O'Hare Intl Airport?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 8%.

How far in advance should I book a flight from Santa Rosa to Chicago O'Hare Intl Airport?

Find a great deal and save up to 78% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Santa Rosa to Chicago O'Hare Intl Airport within the next two weeks, with the cheapest ticket starting at $395.

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

The best pricing can be found in the month of April. Prices to Chicago O'Hare Intl Airport from Santa Rosa average $343. You can even find prices in April for less than $343, as users have found deals to Chicago O'Hare Intl Airport from as low as $98. The month of December appears to be one of the more expensive times to travel to Chicago O'Hare Intl Airport from Santa Rosa. Flying in the targeted month can save you up to 27%.

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.

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.

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.

$225+ Flights from Santa Rosa to Chicago O'Hare Intl Airport

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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 Santa Rosa to O'Hare Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$234 (Mytrip)
One-way from	$225 (Mytrip)
Popular in	January
Cheapest in	December
Average price	$1,028

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

Search Deals

One-way flight from Santa Rosa Sonoma County to Chicago O'Hare Intl

Search Deals

High demand for flights, 4% potential price rise

Search Deals

Best time to find cheap flights, 7% potential price drop

Search Deals

Average for round-trip flights in January 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 January 16, 2025.

Thu 2/612:32 pmSTS - ORD

1 stop7h 20mMultiple Airlines

Wed 2/1210:45 pmORD - STS

2 stops16h 56mMultiple Airlines

Deal found 1/15

$234

Wed 1/291:01 pmSTS - ORD

2 stops25h 26mAlaska Airlines

Tue 2/46:55 pmORD - STS

1 stop17h 37mAlaska Airlines

Deal found 1/15

$364

Fri 5/232:24 pmSTS - ORD

1 stop6h 36mAmerican Airlines

Mon 5/265:00 amORD - STS

1 stop9h 00mAmerican Airlines

Deal found 1/16

$593

Best flights from Santa Rosa to O'Hare Intl
Discover carefully curated flight deals from Santa Rosa to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Thu 2/612:32 pmSTS - ORD

1 stop7h 20mMultiple Airlines

Wed 2/1210:45 pmORD - STS

2 stops16h 56mMultiple Airlines

Deal found 1/15

$234

Wed 1/291:01 pmSTS - ORD

2 stops25h 26mAlaska Airlines

Tue 2/46:55 pmORD - STS

1 stop17h 37mAlaska Airlines

Deal found 1/15

$364

Fri 5/232:24 pmSTS - ORD

1 stop6h 36mAmerican Airlines

Mon 5/265:00 amORD - STS

1 stop9h 00mAmerican Airlines

Deal found 1/16

$593

Last-minute flights from Santa Rosa to O'Hare Intl
Discover last-minute flight deals from Santa Rosa to O'Hare Intl. Data last updated January 16, 2025 and is based on user searches.

Sun 1/2612:30 pmSTS - ORD

2 stops25h 57mAlaska Airlines

Wed 1/297:45 amORD - STS

2 stops29h 30mAlaska Airlines

Deal found 1/15

$529

Wed 1/291:01 pmSTS - ORD

2 stops25h 26mAlaska Airlines

Tue 2/46:55 pmORD - STS

1 stop17h 37mAlaska Airlines

Deal found 1/15

$364

Thu 2/612:32 pmSTS - ORD

1 stop7h 20mMultiple Airlines

Wed 2/1210:45 pmORD - STS

2 stops16h 56mMultiple Airlines

Deal found 1/15

$234

One-way flights from Santa Rosa to O'Hare Intl
Search for one-way flight options from Santa Rosa to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Fri 3/142:02 pmSTS - ORD

2 stops14h 34mMultiple Airlines

Deal found 1/15

$225

Mon 3/177:28 pmSTS - ORD

1 stop15h 36mAlaska Airlines

Deal found 1/16

$262

Fri 3/144:21 pmSTS - ORD

1 stop6h 23mAmerican Airlines

Deal found 1/15

$274

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

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 2/6

12:32 pm-9:52 pm

1 stop7h 20m

Chicago O'Hare Intl

Wed 2/12

10:45 pm-1:41 pm

2 stops16h 56m

$234

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 1/29

1:01 pm-4:27 pm

2 stops25h 26m

Chicago O'Hare Intl

Tue 2/4

6:55 pm-10:32 am

1 stop17h 37m

$364

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Fri 5/23

2:24 pm-11:00 pm

1 stop6h 36m

Chicago O'Hare Intl

Mon 5/26

5:00 am-12:00 pm

1 stop9h 00m

$593

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Fri 3/14

2:02 pm-6:36 am

2 stops14h 34m

$225

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 3/17

7:28 pm-1:04 pm

1 stop15h 36m

$262

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Fri 3/14

4:21 pm-12:44 am

1 stop6h 23m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Santa Rosa to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to O'Hare Intl in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 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 $320). 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?

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

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

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

Alaska Airlines

8.0

Very good

9,681 reviews

Reviews

1 / 10

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

9,681 reviews

Alaska Airlines

8.0

Very good

9,681 reviews

Reviews

1 / 10

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

9,681 reviews

Reviews

1 / 10

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

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, Alaska Airlines ($364), and American Airlines ($593) offers the cheapest pricing from Santa Rosa to Chicago O'Hare Intl Airport. These flights start at 38% 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 $320). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$318	Average$667	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$333	Average$637	FlexibilityNo cancel fee	On-time75%

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$225+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Santa Rosa to O'Hare Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Santa Rosa to O'Hare Intl

Cheapest flights from Santa Rosa to O'Hare IntlExplore 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 January 16, 2025.

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 January 16, 2025.

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

Compare providers for flights from Santa Rosa to O'Hare Intl

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 Santa Rosa to O'Hare Intl in January.

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.

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?

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 January 16, 2025.

Rainfall in O'Hare Intl by month

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

Temperature in O'Hare Intl by month

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

Reviews of airlines servicing O'Hare Intl

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?

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

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

How can I 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?

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

Traveling to a place near Santa Rosa?

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Alternative routes for Santa Rosa to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 January 16, 2025.