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Cheap flights from Santa Rosa (STS) to Illinois from $166

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 8/19. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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

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 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 2,810,401 searches. Data last updated June 2, 2024.
Tue 6/187:00 amSTS - ORD
1 stop19h 40mAlaska Airlines
Wed 6/198:00 amORD - STS
1 stop12h 23mAlaska Airlines
Deal found 5/31$657
Tue 6/183:47 pmSTS - ORD
2 stops10h 53mAlaska Airlines
Wed 6/198:00 amORD - STS
1 stop12h 23mAlaska Airlines
Deal found 5/31$662
Tue 6/183:47 pmSTS - ORD
2 stops10h 53mAlaska Airlines
Wed 6/198:40 amORD - STS
2 stops11h 43mAlaska Airlines
Deal found 5/31$706

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 2,810,401 searches. Prices were last updated on June 2, 2024.
Sun 6/3011:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Sun 7/78:05 pmORD - STS
3 stops26h 50mMultiple Airlines
Deal found 6/1$428
Sun 6/3011:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Sun 7/78:05 pmORD - STS
2 stops23h 50mMultiple Airlines
Deal found 6/1$430
Sun 6/3011:05 amSTS - ORD
2 stops24h 35mMultiple Airlines
Sun 7/78:05 pmORD - STS
3 stops26h 50mMultiple Airlines
Deal found 6/1$443
Sun 6/3011:05 amSTS - ORD
3 stops30h 38mMultiple Airlines
Sun 7/78:05 pmORD - STS
3 stops26h 50mMultiple Airlines
Deal found 6/1$459
Sun 6/3011:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Sun 7/79:36 amORD - STS
1 stop13h 44mMultiple Airlines
Deal found 6/1$496

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 2,810,401 searches. Data last updated June 2, 2024.
Thu 7/116:30 amSTS - ORD
1 stop13h 49mMultiple Airlines
Sun 7/148:05 pmORD - STS
2 stops23h 50mMultiple Airlines
Deal found 6/1$334
Thu 7/1112:20 pmSTS - ORD
2 stops15h 46mMultiple Airlines
Sun 7/148:05 pmORD - STS
2 stops23h 50mMultiple Airlines
Deal found 6/1$342
Thu 7/116:30 amSTS - ORD
3 stops21h 36mMultiple Airlines
Sun 7/144:27 pmORD - STS
2 stops27h 28mMultiple Airlines
Deal found 6/1$392
Thu 7/116:30 amSTS - ORD
1 stop8h 59mMultiple Airlines
Sun 7/141:28 pmORD - STS
1 stop9h 52mMultiple Airlines
Deal found 6/1$420
Sun 6/3011:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Sun 7/78:05 pmORD - STS
3 stops26h 50mMultiple Airlines
Deal found 6/1$428
Sun 6/3011:05 amSTS - ORD
1 stop17h 19mMultiple Airlines
Sun 7/78:05 pmORD - STS
2 stops23h 50mMultiple Airlines
Deal found 6/1$430
Sun 6/3011:05 amSTS - ORD
2 stops24h 35mMultiple Airlines
Sun 7/78:05 pmORD - STS
3 stops26h 50mMultiple Airlines
Deal found 6/1$443
Sun 6/3011:05 amSTS - ORD
3 stops30h 38mMultiple Airlines
Sun 7/78:05 pmORD - STS
3 stops26h 50mMultiple Airlines
Deal found 6/1$459
Thu 7/116:30 amSTS - ORD
3 stops21h 36mMultiple Airlines
Sun 7/143:35 pmORD - STS
3 stops28h 20mMultiple Airlines
Deal found 6/1$469

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 2,810,401 searches. Data last updated June 2, 2024.
Mon 8/1910:55 amSTS - ORD
2 stops23h 19mMultiple Airlines
Deal found 5/31$166
Mon 8/197:50 pmSTS - ORD
3 stops24h 07mMultiple Airlines
Deal found 5/31$170
Mon 8/197:45 amSTS - ORD
1 stop8h 56mMultiple Airlines
Deal found 5/31$174
Thu 6/135:25 pmSTS - STL
2 stops18h 51mMultiple Airlines
Deal found 6/1$211
Thu 6/135:25 pmSTS - STL
3 stops17h 16mMultiple Airlines
Deal found 6/1$234
Tue 8/612:27 pmSTS - ORD
1 stop9h 07mAmerican Airlines
Deal found 5/31$244
Tue 8/67:54 pmSTS - ORD
2 stops19h 30mAlaska Airlines
Deal found 5/31$247
Thu 6/66:30 amSTS - ORD
1 stop12h 47mMultiple Airlines
Deal found 5/31$269
Thu 6/66:30 amSTS - ORD
2 stops16h 25mMultiple Airlines
Deal found 5/31$270

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$334 - $662

Route

Depart

Return

Price

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 7/11

1 stop13h 49m

Chicago O'Hare Intl

Sun 7/14

2 stops23h 50m

$334

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 7/11

2 stops15h 46m

Chicago O'Hare Intl

Sun 7/14

2 stops23h 50m

$342

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 7/11

3 stops21h 36m

Chicago O'Hare Intl

Sun 7/14

2 stops27h 28m

$392

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 7/11

1 stop8h 59m

Chicago O'Hare Intl

Sun 7/14

1 stop9h 52m

$420

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Sun 6/30

1 stop17h 19m

Chicago O'Hare Intl

Sun 7/7

3 stops26h 50m

$428

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Sun 6/30

1 stop17h 19m

Chicago O'Hare Intl

Sun 7/7

2 stops23h 50m

$430

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Sun 6/30

2 stops24h 35m

Chicago O'Hare Intl

Sun 7/7

3 stops26h 50m

$443

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 6/18

1 stop19h 40m

Chicago O'Hare Intl

Wed 6/19

1 stop12h 23m

$657

Santa Rosa Sonoma CountyChicago O'Hare Intl

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 6/18

2 stops10h 53m

Chicago O'Hare Intl

Wed 6/19

1 stop12h 23m

$662

Flights are sorted by cheapest first

Deals found on 6/1

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 2, 2024.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

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
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

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
14,268 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

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 Multiple Airlines for just $334, but on average you can expect to pay $479.

  • 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 6/1.

  • 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 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.

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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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$376Average$622FlexibilityNo 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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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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