Cheap flights from Sonoma County to Chicago (STS - CHI)

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How to find the cheapest flight from
Sonoma County (STS) to Chicago (CHI)

All the information you need to plan the best STS to CHI flight in 2021: compare Sonoma County to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
STS - CHI
Price
$118 - $582
CHI
Temperature
33.8 - 84.2 °F
CHI
Rainfall
0.7 - 4.3 inches

Popular in

May

High demand for flights, 30% potential price rise

Cheapest in

July

Best time to find cheap flights, 71% potential price drop

Average price

$582

Average for round-trip flights in May 2021

Round-trip from

$118

From Sonoma County to Chicago

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Sonoma County to Chicago?

Sunday is generally a great day to depart. Flying on this day could help you save up to 52%.

How far in advance should I book a flight from Sonoma County to Chicago?

To save up to 10% on this flight, we recommend booking at least 20 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Sonoma County to Chicago from $137 1-2 weeks out and tickets from $157 for flights departing within the next 72 hours.

What is the cheapest month to fly from Sonoma County to Chicago?

April can be a great time to fly to Chicago from Sonoma County with a flight ticket averaging about $135. Cheapflights users have found deals in the month of April for as cheap as $33. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Sonoma County to Chicago (STS - CHI)?

It’s typically best to fly out from Sonoma County to Chicago at noon. Doing so could potentially save you 42% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Sonoma County to Chicago in May, June 2021

The best prices found for STS to CHI flights for May, June
5 Jun - 8 Jun
$359pp
STS
Santa Rosa Sonoma County
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
STS
Santa Rosa Sonoma County
5 Jun - 8 Jun
$363pp
STS
Santa Rosa Sonoma County
American Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
STS
Santa Rosa Sonoma County
7 Jun - 9 Jun
$385pp
STS
Santa Rosa Sonoma County
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STS
Santa Rosa Sonoma County

Sonoma County to Chicago 2021 flight deals

Cheap flights to Chicago from Sonoma County found for this year
23 Sep - 27 Sep
$283pp
STS
Santa Rosa Sonoma County
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
STS
Santa Rosa Sonoma County
30 Oct - 2 Nov
$298pp
STS
Santa Rosa Sonoma County
United Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
   
2 STOPS
STS
Santa Rosa Sonoma County
30 Sep - 2 Oct
$299pp
STS
Santa Rosa Sonoma County
United Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
 
1 STOP
STS
Santa Rosa Sonoma County

Last minute flights from Sonoma County to Chicago

Late deals on round-trip flights to Chicago from Sonoma County, departing today and this week
25 May - 20 Jun
$527pp
STS
Santa Rosa Sonoma County
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
STS
Santa Rosa Sonoma County
25 May - 20 Jun
$531pp
STS
Santa Rosa Sonoma County
American Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
STS
Santa Rosa Sonoma County
26 May - 30 May
$549pp
STS
Santa Rosa Sonoma County
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
STS
Santa Rosa Sonoma County

One-way flights to Chicago from Sonoma County

The cheapest one-way flights from Sonoma County to Chicago
3:05 pm - 2:00 am
Alaska Airlines
2 Stops
32h 55m
STS - ORD
Alaska Airlines
2:00 am - 6:10 pm
United Airlines
3 Stops
14h 10m
STS - ORD
United Airlines
$350
United
10:00 am - 8:59 pm
American Airlines
2 Stops
8h 59m
STS - ORD
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Sonoma County</span> to <span class="emphasized">Chicago</span> flights.

Flight FAQs

From Sonoma County to Chicago

Are flight prices decreasing from Santa Rosa to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Santa Rosa and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Santa Rosa Sonoma County to Chicago to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Santa Rosa Sonoma County to Chicago. Policies will vary by airline.

Which airlines flying from Santa Rosa Sonoma County to Chicago have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Alaska Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airport do you fly from for flights from Santa Rosa to Chicago?

For a flight from Santa Rosa to Chicago, you will be flying from Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city. Sonoma County is the only Santa Rosa airport and it handles 0 outbound flights to Chicago per day. 3 airlines have flights to Chicago from Santa Rosa Sonoma County on a regular basis.

Can I find flights from Sonoma County to Chicago for under $300 on Cheapflights?

Yes, there are multiple flights from Sonoma County to Chicago for under $300. The cheapest flight booked recently is on American Airlines for just $283, but on average you can expect to pay $337.

Are there nonstop flights from Sonoma County to Chicago for under $300 on Cheapflights?

There are no nonstop flights from Sonoma County to Chicago, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Sonoma County to Chicago for under $600?

There are currently 9+ open flights from Sonoma County to Chicago within the next 7 days for less than $600.

What days are nonstop flights available from Santa Rosa to Chicago?

Days when nonstop flights are available for this flight are: Monday, Tuesday, Friday, Saturday.

Is Santa Rosa weather warmer or cooler than Chicago?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Chicago is generally colder than in Santa Rosa.

How long is the flight from Sonoma County to Chicago?

There are many flights that can get you from Sonoma County to Chicago in 6h 44m. Fly via United Airlines, American Airlines, or Alaska Airlines to get the fastest option. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Sonoma County to Chicago round-trip?

According to our current data, American Airlines ($283), and United Airlines ($298) offers the cheapest pricing from Sonoma County to Chicago. Users have found that American Airlines is 30% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Sonoma County to Chicago one-way?

The cheapest airlines for a one-way flight from Sonoma County to Chicago are American Airlines ($142), United Airlines ($164), and Alaska Airlines ($206).

Alternative routes for Sonoma County to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from Sonoma County to Chicago.
Average temperature for May in Chicago
71.6 °F
Avg rainfall for May in Chicago
4.3 ″

Airports servicing Santa Rosa

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)
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