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Cheap flights from Santa Rosa (STS) to Illinois from $148

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STS — ORD
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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How far in advance should I book a flight from Santa Rosa to Illinois?

Travelers have found it’s best to book a flight 47 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 47 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Santa Rosa to Illinois 1-2 weeks in advance for as low as $308, or $448 for flights within the next 24 hours.

What is the cheapest month to fly from Santa Rosa to Illinois?

October is one of the best times of the year to fly to Illinois from Santa Rosa. Prices for October average $320 per person but you can even find prices for as low as $88. The most expensive prices can be found in the month of March. Opting for a October flight can save you 18% on your journey compared to booking in March

What is the cheapest time of day to fly from STS to IL?

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.

Cheap Santa Rosa to Illinois flights in June & July 2024

Find cheap flight options from Santa Rosa to Illinois specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Listed are some of the best fares we've found on flights departing from Santa Rosa to Illinois in 2024. More deals are always being added, so be sure to check back regularly.
Thu 6/2012:20 pmSTS - ORD
2 stops16h 04mMultiple Airlines
Sun 6/238:26 pmORD - STS
2 stops23h 29mMultiple Airlines
Deal found 6/5$362
Thu 6/202:50 pmSTS - ORD
2 stops13h 34mMultiple Airlines
Sun 6/238:26 pmORD - STS
3 stops26h 29mMultiple Airlines
Deal found 6/5$368
Thu 7/46:30 amSTS - ORD
1 stop12h 47mMultiple Airlines
Mon 7/89:54 amORD - STS
2 stops13h 01mMultiple Airlines
Deal found 6/5$373
Thu 7/412:20 pmSTS - ORD
2 stops16h 04mMultiple Airlines
Mon 7/89:54 amORD - STS
2 stops13h 01mMultiple Airlines
Deal found 6/5$375
Thu 7/46:30 amSTS - ORD
1 stop12h 47mMultiple Airlines
Mon 7/89:54 amORD - STS
1 stop10h 01mMultiple Airlines
Deal found 6/5$381
Thu 6/206:30 amSTS - ORD
1 stop12h 47mMultiple Airlines
Sun 6/238:26 pmORD - STS
2 stops23h 29mMultiple Airlines
Deal found 6/5$391
Thu 6/202:50 pmSTS - ORD
3 stops19h 33mMultiple Airlines
Sun 6/238:26 pmORD - STS
3 stops26h 29mMultiple Airlines
Deal found 6/5$410
Thu 7/42:50 pmSTS - ORD
3 stops13h 34mMultiple Airlines
Mon 7/89:54 amORD - STS
2 stops13h 01mMultiple Airlines
Deal found 6/5$420
Thu 6/206:30 amSTS - ORD
1 stop12h 47mMultiple Airlines
Sun 6/2312:32 pmORD - STS
1 stop10h 48mMultiple Airlines
Deal found 6/5$449

Santa Rosa to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Santa Rosa and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Listed are some of the best fares we've found on flights departing from Santa Rosa to Illinois in 2024. More deals are always being added, so be sure to check back regularly.
Mon 9/306:38 pmSTS - ORD
2 stops20h 09mAlaska Airlines
Wed 10/92:37 pmORD - STS
2 stops24h 20mAlaska Airlines
Deal found 6/5$331
Tue 9/172:36 pmSTS - ORD
1 stop12h 01mAlaska Airlines
Tue 9/248:40 amORD - STS
1 stop15h 27mAlaska Airlines
Deal found 6/5$334
Sat 9/2111:49 amSTS - ORD
2 stops14h 48mAlaska Airlines
Sat 9/286:00 amORD - STS
1 stop9h 46mAlaska Airlines
Deal found 6/5$339
Mon 9/911:49 amSTS - ORD
2 stops14h 48mAlaska Airlines
Tue 9/176:00 amORD - STS
1 stop9h 46mAlaska Airlines
Deal found 6/5$344
Tue 10/11:37 pmSTS - ORD
2 stops13h 53mAlaska Airlines
Wed 10/92:37 pmORD - STS
2 stops24h 20mAlaska Airlines
Deal found 6/5$347
Mon 9/306:38 pmSTS - ORD
2 stops20h 09mAlaska Airlines
Tue 10/87:00 amORD - STS
1 stop12h 54mAlaska Airlines
Deal found 6/5$348
Tue 9/1711:49 amSTS - ORD
2 stops14h 48mAlaska Airlines
Mon 9/235:59 pmORD - STS
2 stops18h 00mAlaska Airlines
Deal found 6/5$349
Sat 9/287:05 amSTS - ORD
1 stop19h 32mAlaska Airlines
Sat 10/52:37 pmORD - STS
2 stops21h 30mAlaska Airlines
Deal found 6/5$351
Tue 9/242:36 pmSTS - ORD
1 stop12h 01mAlaska Airlines
Tue 10/15:45 pmORD - STS
2 stops21h 12mAlaska Airlines
Deal found 6/5$353

One-way flights to Illinois from Santa Rosa

Search for one-way flight options from Santa Rosa to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Some of the best available deals we've found on one-way flights from Santa Rosa to Illinois. Users in need of a round-trip flight from Santa Rosa to Illinois instead should update the search form at the top of page.
Fri 7/510:55 amSTS - ORD
2 stops17h 05mMultiple Airlines
Deal found 6/4$148
Thu 8/16:30 amSTS - ORD
1 stop8h 59mMultiple Airlines
Deal found 6/5$174
Thu 8/16:30 amSTS - ORD
2 stops10h 40mMultiple Airlines
Deal found 6/5$195
Fri 7/510:55 amSTS - ORD
3 stops22h 38mMultiple Airlines
Deal found 6/4$199
Thu 8/16:30 amSTS - ORD
3 stops31h 47mMultiple Airlines
Deal found 6/5$212
Thu 10/37:59 pmSTS - ORD
1 stop7h 31mAlaska Airlines
Deal found 6/6$222
Fri 7/56:00 amSTS - ORD
1 stop7h 45mAmerican Airlines
Deal found 6/4$224
Mon 7/12:44 pmSTS - STL
1 stop7h 15mAlaska Airlines
Deal found 6/5$229
Thu 10/32:25 pmSTS - ORD
2 stops13h 05mAlaska Airlines
Deal found 6/6$232

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$331 - $493

Route

Depart

Return

Price

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 9/30

2 stops20h 09m

Chicago O'Hare Intl

Wed 10/9

2 stops24h 20m

$331

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 9/17

1 stop12h 01m

Chicago O'Hare Intl

Tue 9/24

1 stop15h 27m

$334

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 9/21

2 stops14h 48m

Chicago O'Hare Intl

Sat 9/28

1 stop9h 46m

$339

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 9/9

2 stops14h 48m

Chicago O'Hare Intl

Tue 9/17

1 stop9h 46m

$344

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 6/20

2 stops16h 04m

Chicago O'Hare Intl

Sun 6/23

2 stops23h 29m

$362

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 6/20

2 stops13h 34m

Chicago O'Hare Intl

Sun 6/23

3 stops26h 29m

$368

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 7/4

1 stop12h 47m

Chicago O'Hare Intl

Mon 7/8

2 stops13h 01m

$373

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 7/4

2 stops16h 04m

Chicago O'Hare Intl

Mon 7/8

2 stops13h 01m

$375

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 8/14

2 stops13h 10m

Chicago O'Hare Intl

Thu 8/15

1 stop7h 50m

$493

Flights are sorted by cheapest first

Deals found on 6/5

No data available for this route at this time. Please check back soon.

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.

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 June 6, 2024.
Read through reviews of airlines operating flights from Santa Rosa to Illinois, such as American Airlines and Alaska Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

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

    Yes, there are multiple flights from Santa Rosa to Illinois for under $400. The cheapest flight booked recently is on Alaska Airlines for just $331, but on average you can expect to pay $353.

  • 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.

  • What does STS to ORD mean?

    Great question - STS to ORD just means Santa Rosa Sonoma County Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Santa Rosa to Illinois 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 Santa Rosa to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Santa Rosa to Illinois 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 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.

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

    Many airlines flying from Santa Rosa to Illinois 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 Santa Rosa to Illinois?

    Yes, you can often find last-minute deals on Santa Rosa to Illinois 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 Santa Rosa to Illinois flight deals updated?

    The Santa Rosa to Illinois flight deals you see on this page were last updated on 6/5.

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

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Illinois (average of $244). Flying from Santa Rosa to Illinois in July is currently the most expensive (average of $324). 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 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$377Average$632FlexibilityNo cancel feeOn-time71%
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Search flights from Santa Rosa to Illinois by cabin class

Find flights from Santa Rosa to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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