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$231+ Cheap flights from Santa Rosa (STS) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ORD
dic. 26 — ene. 21
jue. 12/26
jue. 1/2
1 adult, Economy
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Cheap flight deals from Santa Rosa to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Illinois (USIL). 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 diciembre 21, 2024.

Round-trip from

$231
(Mytrip)
From Santa Rosa Sonoma County to Illinois
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Find flight deals from Santa Rosa to Illinois

Best flights from Santa Rosa to Illinois
Discover carefully curated flight deals from Santa Rosa to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 21, 2024.

This Mytrip deal was found by Cheapflights users on 12/21. 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.
jue. 1/2312:32 pmSTS - ORD
1 stop7h 20mMultiple Airlines
jue. 1/3010:47 pmORD - STS
1 stop16h 25mMultiple Airlines
Deal found 12/21$231
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
mié. 1/291:01 pmSTS - ORD
2 stops25h 26mAlaska Airlines
mar. 2/43:03 pmORD - STS
1 stop21h 29mAlaska Airlines
Deal found 12/21$312
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/2212:58 pmSTS - STL
1 stop8h 59mAmerican Airlines
mié. 1/296:44 amSTL - STS
1 stop7h 44mAmerican Airlines
Deal found 12/20$318
This American Airlines deal was found by Cheapflights users on 12/21. 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.
mié. 1/2912:58 pmSTS - ORD
1 stop6h 18mAmerican Airlines
mar. 2/46:00 amORD - STS
1 stop8h 28mAmerican Airlines
Deal found 12/21$318
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/2211:12 amSTS - STL
2 stops24h 41mAlaska Airlines
mié. 1/292:49 pmSTL - STS
2 stops29h 34mAlaska Airlines
Deal found 12/20$358
This Mytrip deal was found by Cheapflights users on 12/21. 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.
dom. 1/511:24 amSTS - MLI
3 stops27h 29mMultiple Airlines
jue. 1/910:07 pmMLI - STS
1 stop17h 05mMultiple Airlines
Deal found 12/21$640

Find flights from Santa Rosa to Illinois within your budget

Customize your flight search to find flights from Santa Rosa to Illinois 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 diciembre 21, 2024.

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Any airport

Fly to

Any airport

Route

Depart

Return

Price

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

jue. 1/23

12:32 pm-9:52 pm

1 stop7h 20m

Chicago O'Hare Intl

jue. 1/30

10:47 pm-1:12 pm

1 stop16h 25m

$231

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

mié. 1/29

1:01 pm-4:27 pm

2 stops25h 26m

Chicago O'Hare Intl

mar. 2/4

3:03 pm-10:32 am

1 stop21h 29m

$312

Santa RosaSt. Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

mié. 1/22

12:58 pm-11:57 pm

1 stop8h 59m

Lambert-St Louis

mié. 1/29

6:44 am-12:28 pm

1 stop7h 44m

$318

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

mié. 1/29

12:58 pm-9:16 pm

1 stop6h 18m

Chicago O'Hare Intl

mar. 2/4

6:00 am-12:28 pm

1 stop8h 28m

$318

Santa RosaSt. Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

mié. 1/22

11:12 am-1:53 pm

2 stops24h 41m

Lambert-St Louis

mié. 1/29

2:49 pm-6:23 pm

2 stops29h 34m

$358

Santa RosaMoline

STS - MLI

STSMLI

Santa Rosa Sonoma County

dom. 1/5

11:24 am-4:53 pm

3 stops27h 29m

Moline Quad-City

jue. 1/9

10:07 pm-1:12 pm

1 stop17h 05m

$640

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

lun. 5/26

7:00 am-5:04 am

1 stop20h 04m

$238

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

sáb. 3/22

4:22 pm-12:44 am

1 stop6h 22m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Best time to book a flight from Santa Rosa to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

What is the cheapest month to book a flight from Santa Rosa to Illinois?

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Illinois (average of $245). Flying from Santa Rosa to Illinois in March is currently the most expensive (average of $317). 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 IL?

Find hourly flight availability from Santa Rosa to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated diciembre 21, 2024.
Alaska Airlines
8.0
Very good
9,537 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Alaska Airlines
8.0
Very good
9,537 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Illinois. 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 Illinois?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to Illinois. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • What are the most popular routes from Santa Rosa to Illinois?

    When deciding which route to take from Santa Rosa to Illinois consider Santa Rosa Sonoma County - Chicago O'Hare Intl, Santa Rosa Sonoma County - Lambert-St Louis or Santa Rosa Sonoma County - Moline Quad-City as they are the most popular.

  • Can I find deals for flights from Santa Rosa to Illinois that include hotel bookings?

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

  • How can I find direct flights from Santa Rosa to Illinois?

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

  • Can I find deals for business class flights from Santa Rosa to Illinois?

    Yes. Cheapflights offers flight deals from Santa Rosa to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Illinois (average of $245). Flying from Santa Rosa to Illinois in March is currently the most expensive (average of $317). 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

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Alternative routes for Santa Rosa to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Santa Rosa to Illinois

Discover the top airline that operate flights from Santa Rosa to Illinois. 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 diciembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$667FlexibilityNo cancel feeOn-time71%
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