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Cheap flights from Santa Rosa (STS) to Illinois from $153

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 6/24. 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. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
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 39% 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

When is the cheapest time to fly from Santa Rosa to Illinois (STS - 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 American Airlines flights from Santa Rosa to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Santa Rosa and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Check out some of the cheapest American Airlines flights we've come across from Santa Rosa to Illinois. It's recommended that users confirm their flight details before booking.
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
dom. 6/235:00 amORD - STS
1 stop8h 53mAmerican Airlines
Deal found 5/27$468
mié. 7/3112:28 pmSTS - ORD
1 stop6h 47mAmerican Airlines
sáb. 8/35:00 amORD - STS
1 stop8h 48mAmerican Airlines
Deal found 5/27$498
mié. 7/3112:28 pmSTS - ORD
1 stop6h 47mAmerican Airlines
sáb. 8/37:00 amORD - STS
2 stops10h 43mAmerican Airlines
Deal found 5/27$502
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
lun. 6/245:00 amORD - STS
2 stops12h 44mAmerican Airlines
Deal found 5/27$518
mié. 7/314:14 pmSTS - ORD
2 stops12h 53mAmerican Airlines
sáb. 8/37:00 amORD - STS
2 stops10h 43mAmerican Airlines
Deal found 5/27$536
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
mar. 6/257:00 amORD - STS
1 stop6h 53mAmerican Airlines
Deal found 5/27$538
mar. 6/184:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
lun. 6/2411:05 amORD - STS
1 stop6h 39mAmerican Airlines
Deal found 5/27$558
vie. 6/214:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
sáb. 6/2211:05 amORD - STS
1 stop6h 38mAmerican Airlines
Deal found 5/27$578
mié. 6/194:14 pmSTS - ORD
2 stops13h 08mAmerican Airlines
lun. 6/245:00 amORD - STS
2 stops12h 44mAmerican Airlines
Deal found 5/27$588

Cheap Alaska Airlines flights from Santa Rosa to Illinois

Explore cheap flight options specifically provided by Alaska Airlines for the route between Santa Rosa and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Some of the lowest-priced Alaska Airlines flights we've found at this time heading from Santa Rosa to Illinois. Make sure to examine the flight information before completing your reservation.
mar. 6/182:44 pmSTS - ORD
1 stop6h 55mAlaska Airlines
jue. 6/276:00 amORD - STS
1 stop9h 50mAlaska Airlines
Deal found 5/27$628
lun. 6/177:03 pmSTS - ORD
1 stop8h 12mAlaska Airlines
jue. 6/276:00 amORD - STS
1 stop9h 50mAlaska Airlines
Deal found 5/27$698
mié. 6/193:14 pmSTS - ORD
2 stops11h 26mAlaska Airlines
dom. 6/236:35 amORD - STS
2 stops13h 29mAlaska Airlines
Deal found 5/27$743
mié. 6/1910:21 amSTS - ORD
2 stops16h 19mAlaska Airlines
mar. 6/257:22 pmORD - STS
1 stop28h 32mAlaska Airlines
Deal found 5/27$1,207

Cheap Santa Rosa to Illinois flights in May & June 2024

Find cheap flight options from Santa Rosa to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on mayo 28, 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.
vie. 6/76:30 amSTS - ORD
2 stops21h 30mMultiple Airlines
dom. 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/27$428
vie. 6/77:45 amSTS - ORD
1 stop11h 32mMultiple Airlines
dom. 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/27$462
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
dom. 6/235:00 amORD - STS
1 stop8h 53mAmerican Airlines
Deal found 5/27$468
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
lun. 6/245:00 amORD - STS
2 stops12h 44mAmerican Airlines
Deal found 5/27$518
mar. 6/182:44 pmSTS - ORD
1 stop6h 55mAlaska Airlines
mié. 6/196:00 amORD - STS
2 stops14h 23mAlaska Airlines
Deal found 5/28$521
mar. 6/182:44 pmSTS - ORD
1 stop6h 55mAlaska Airlines
mié. 6/196:00 amORD - STS
1 stop17h 54mAlaska Airlines
Deal found 5/28$531
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
mar. 6/257:00 amORD - STS
1 stop6h 53mAmerican Airlines
Deal found 5/27$538
vie. 6/76:30 amSTS - ORD
3 stops21h 30mMultiple Airlines
dom. 6/98:26 pmORD - STS
3 stops23h 29mMultiple Airlines
Deal found 5/27$541
mar. 6/184:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
lun. 6/2411:05 amORD - STS
1 stop6h 39mAmerican Airlines
Deal found 5/27$558

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 2,740,132 searches. Data last updated mayo 28, 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.
jue. 7/116:30 amSTS - ORD
1 stop9h 22mMultiple Airlines
dom. 7/148:05 pmORD - STS
2 stops23h 50mMultiple Airlines
Deal found 5/27$372
jue. 7/116:30 amSTS - ORD
2 stops10h 40mMultiple Airlines
dom. 7/146:42 pmORD - STS
2 stops26h 33mMultiple Airlines
Deal found 5/27$379
jue. 7/116:30 amSTS - ORD
1 stop9h 22mMultiple Airlines
dom. 7/149:36 amORD - STS
1 stop13h 44mMultiple Airlines
Deal found 5/27$415
vie. 6/76:30 amSTS - ORD
2 stops21h 30mMultiple Airlines
dom. 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/27$428
vie. 6/77:45 amSTS - ORD
1 stop11h 32mMultiple Airlines
dom. 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/27$462
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
dom. 6/235:00 amORD - STS
1 stop8h 53mAmerican Airlines
Deal found 5/27$468
mié. 7/3112:28 pmSTS - ORD
1 stop6h 47mAmerican Airlines
sáb. 8/35:00 amORD - STS
1 stop8h 48mAmerican Airlines
Deal found 5/27$498
mié. 7/3112:28 pmSTS - ORD
1 stop6h 47mAmerican Airlines
sáb. 8/37:00 amORD - STS
2 stops10h 43mAmerican Airlines
Deal found 5/27$502
mié. 6/194:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
lun. 6/245:00 amORD - STS
2 stops12h 44mAmerican Airlines
Deal found 5/27$518

Santa Rosa to Illinois flights leaving soon

Find last-minute flight options from Santa Rosa to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Check out these flights departing soon from Santa Rosa to Illinois. Users should examine the flight details to ensure there are no surprises.
vie. 6/76:30 amSTS - ORD
2 stops21h 30mMultiple Airlines
dom. 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/27$428
vie. 6/77:45 amSTS - ORD
1 stop11h 32mMultiple Airlines
dom. 6/98:26 pmORD - STS
2 stops24h 59mMultiple Airlines
Deal found 5/27$462
vie. 6/76:30 amSTS - ORD
2 stops21h 30mMultiple Airlines
dom. 6/98:26 pmORD - STS
3 stops23h 29mMultiple Airlines
Deal found 5/27$468
vie. 6/76:30 amSTS - ORD
3 stops21h 30mMultiple Airlines
dom. 6/98:26 pmORD - STS
3 stops23h 29mMultiple Airlines
Deal found 5/27$541
vie. 6/77:45 amSTS - ORD
1 stop11h 32mMultiple Airlines
dom. 6/99:36 amORD - STS
1 stop13h 49mMultiple Airlines
Deal found 5/27$653

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 2,740,132 searches. Data last updated mayo 28, 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.
lun. 6/2410:55 amSTS - ORD
2 stops17h 05mMultiple Airlines
Deal found 5/27$153
lun. 6/2410:55 amSTS - ORD
3 stops27h 07mMultiple Airlines
Deal found 5/27$180
mié. 10/91:37 pmSTS - ORD
2 stops14h 27mAlaska Airlines
Deal found 5/27$203
mié. 10/92:25 pmSTS - ORD
1 stop7h 34mAlaska Airlines
Deal found 5/27$224
jue. 10/102:25 pmSTS - ORD
2 stops13h 05mAlaska Airlines
Deal found 5/27$232
jue. 10/107:59 pmSTS - ORD
1 stop7h 31mAlaska Airlines
Deal found 5/27$237
mié. 7/34:15 pmSTS - ORD
2 stops13h 10mAmerican Airlines
Deal found 5/27$238
lun. 6/244:14 pmSTS - ORD
1 stop6h 04mAmerican Airlines
Deal found 5/27$244
mar. 6/1110:33 amSTS - ORD
2 stops17h 07mAlaska Airlines
Deal found 5/27$277

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 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$372 - $628

Route

Depart

Return

Price

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

jue. 7/11

1 stop9h 22m

Chicago O'Hare Intl

dom. 7/14

2 stops23h 50m

$372

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

jue. 7/11

2 stops10h 40m

Chicago O'Hare Intl

dom. 7/14

2 stops26h 33m

$379

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

jue. 7/11

1 stop9h 22m

Chicago O'Hare Intl

dom. 7/14

1 stop13h 44m

$415

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

vie. 6/7

2 stops21h 30m

Chicago O'Hare Intl

dom. 6/9

2 stops24h 59m

$428

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

vie. 6/7

1 stop11h 32m

Chicago O'Hare Intl

dom. 6/9

2 stops24h 59m

$462

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

mié. 6/19

1 stop6h 04m

Chicago O'Hare Intl

dom. 6/23

1 stop8h 53m

$468

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

mié. 7/31

1 stop6h 47m

Chicago O'Hare Intl

sáb. 8/3

1 stop8h 48m

$498

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

mié. 7/31

1 stop6h 47m

Chicago O'Hare Intl

sáb. 8/3

2 stops10h 43m

$502

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

mar. 6/18

1 stop6h 55m

Chicago O'Hare Intl

jue. 6/27

1 stop9h 50m

$628

Flights are sorted by cheapest first

Deals found on 5/27

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 mayo 28, 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
9,194 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

7.3

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 Multiple Airlines for just $372, but on average you can expect to pay $522.

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

    There are currently 5+ open flights from Santa Rosa to Illinois within the next 7 days for less than $500.

  • 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 - Moline Quad-City or Santa Rosa Sonoma County - Lambert-St Louis 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 5/28.

  • When is the best time 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 June is currently the most expensive (average of $326). 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
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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 2,740,132 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$376Average$622FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Santa Rosa to Indiana flights

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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Santa Rosa to Illinois?

Deals for Santa Rosa to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Santa Rosa to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Santa Rosa to Illinois.

Can Cheapflights find flights from Santa Rosa to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Santa Rosa to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from Santa Rosa to Illinois become cheaper?

Of course! You can now track prices for flights from Santa Rosa to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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