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Santa Rosa

$117+ Cheap flights from Illinois 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STS
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from Illinois to Santa Rosa

Cheapest flights from Illinois to Santa Rosa
Explore the most affordable flight options available from Illinois to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This American Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 12/106:00 amORD - STS
1 stop8h 25mAmerican Airlines
Tue 12/174:24 pmSTS - ORD
1 stop6h 16mAmerican Airlines
Deal found 10/31$326
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/611:25 amORD - STS
2 stops13h 08mMultiple Airlines
Mon 12/98:33 pmSTS - ORD
3 stops37h 32mMultiple Airlines
Deal found 10/30$328
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/66:32 amORD - STS
1 stop9h 38mAlaska Airlines
Mon 12/97:00 amSTS - ORD
1 stop20h 19mAlaska Airlines
Deal found 10/30$344
This American Airlines deal was found by Cheapflights users on 10/31. 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 12/147:20 amSTL - STS
1 stop7h 05mAmerican Airlines
Sun 12/1512:55 pmSTS - STL
1 stop8h 59mAmerican Airlines
Deal found 10/31$406
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 12/147:00 amSTL - STS
2 stops29h 10mAlaska Airlines
Sun 12/153:02 pmSTS - STL
1 stop6h 57mAlaska Airlines
Deal found 10/31$469

Find flights from Illinois to Santa Rosa within your budget

Customize your flight search to find flights from Illinois 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSanta Rosa

STL - STS

STLSTS

Lambert-St Louis

Sat 12/14

6:46 pm-10:44 am

2 stops17h 58m

$117

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Mon 12/16

6:32 am-2:10 pm

1 stop9h 38m

$161

St. LouisSanta Rosa

STL - STS

STLSTS

Lambert-St Louis

Tue 12/17

7:20 am-12:25 pm

1 stop7h 05m

$173

St. LouisSanta Rosa

STL - STS

STLSTS

Lambert-St Louis

Sat 1/4

7:00 am-6:13 pm

1 stop13h 13m

$189

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sun 12/15

9:32 pm-10:25 pm

2 stops26h 53m

$221

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Fri 3/7

6:00 am-12:25 pm

1 stop8h 25m

$277

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Sat 3/1

5:56 pm-10:15 am

1 stop18h 19m

Santa Rosa Sonoma County

Tue 3/4

1:06 pm-4:58 pm

2 stops25h 52m

$293

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Tue 12/10

6:00 am-12:25 pm

1 stop8h 25m

Santa Rosa Sonoma County

Tue 12/17

4:24 pm-12:40 am

1 stop6h 16m

$326

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

Fri 12/6

11:25 am-10:33 pm

2 stops13h 08m

Santa Rosa Sonoma County

Mon 12/9

8:33 pm-12:05 pm

3 stops37h 32m

$328

St. LouisSanta Rosa

STL - STS

STLSTS

Lambert-St Louis

Sat 12/14

7:20 am-12:25 pm

1 stop7h 05m

Santa Rosa Sonoma County

Sun 12/15

12:55 pm-11:54 pm

1 stop8h 59m

$406

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 11 results
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Best time to book a flight from Illinois to Santa Rosa

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

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

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Santa Rosa (average of $200). Flying from Illinois to Santa Rosa in June is currently the most expensive (average of $396). 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 IL to STS?

Find hourly flight availability from Illinois 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 October 31, 2024.

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

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 October 31, 2024.
Peruse reviews from past customers who have flown with American Airlines and Alaska Airlines from Illinois 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.
Alaska Airlines
8.0
Very good
9,420 reviews

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,420 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,420 reviews

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Santa Rosa from Illinois.

  • Can I find flights from Illinois to Santa Rosa for under $400 on Cheapflights?

    Yes, there are multiple flights from Illinois to Santa Rosa for under $400. The cheapest flight booked recently is on American Airlines for just $326, but on average you can expect to pay $374.

  • Are there last-minute flights available from Illinois to Santa Rosa for under $1,500?

    There are currently 1+ open flights from Illinois to Santa Rosa within the next 7 days for less than $1,500.

  • What does ORD to STS mean?

    Chicago O'Hare Intl Airport is ORD and Santa Rosa Sonoma County Airport is STS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Illinois to Santa Rosa that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Santa Rosa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Santa Rosa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Santa Rosa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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.

  • Can I find deals for flights from Illinois to Santa Rosa that allow pets onboard?

    Many airlines flying from Illinois to Santa Rosa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Santa Rosa?

    Yes, you can often find last-minute deals on Illinois to Santa Rosa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Santa Rosa flight deals updated?

    The Illinois to Santa Rosa flight deals you see on this page were last updated on 10/31.

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Santa Rosa (average of $200). Flying from Illinois to Santa Rosa in June is currently the most expensive (average of $396). 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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Top 2 airlines flying from Illinois to Santa Rosa

Discover the top 2 airlines that operate flights from Illinois 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$266Average$572FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$318Average$593FlexibilityNo cancel feeOn-time71%
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