Cheap flights from Chicago (CHI) to Sonoma, CA from $69
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 10/30. 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.
CHI — SFO
May 28 — Jun 41
From?
To?
1 adult, Economy
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The best prices from Chicago to Sonoma are usually found in September or October, booked 51 days in advance, depart on a Wednesday or Saturday and return on a Saturday
Cheap flight deals from Chicago to Sonoma
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sonoma (SN9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 23, 2024.
Popular in | March |
|---|---|
Cheapest in | September |
Round-trip from | $268 |
One-way from | $107 |
How far in advance should I book a flight from Chicago to Sonoma?
Find a great deal and save up to 57% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to Sonoma within the next two weeks, with the cheapest ticket starting at $298.
What is the cheapest month to fly from Chicago to Sonoma?
Due to multiple factors, expect to potentially pay more when booking in March. For low rates, September can be a great choice for travel to Sonoma. Flights to Sonoma from Chicago in September are about $306 on average during September, but can be found for as low as $107.
When is the cheapest time to fly from Chicago to Sonoma (CHI - SN9)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Sonoma as you normally would.
Cheap Sun Country Air flights from Chicago to Sonoma
Explore cheap flight options specifically provided by Sun Country Air for the route between Chicago and Sonoma. 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 2,730,072 searches. Data last updated May 23, 2024.
Check out some of the cheapest Sun Country Air flights we've come across from Chicago to Sonoma. Deals update often to give you more flight options matching your criteria
Sun 6/3010:15 pmORD - SFO
1 stop11h 52mSun Country Air
Fri 7/511:59 pmSFO - ORD
1 stop9h 34mSun Country Air
Deal found 5/21$225
Thu 6/136:35 pmORD - SFO
1 stop15h 32mSun Country Air
Sun 6/1611:59 pmSFO - ORD
1 stop17h 07mSun Country Air
Deal found 5/22$245
Tue 7/28:05 pmORD - SFO
1 stop14h 09mSun Country Air
Fri 7/511:59 pmSFO - ORD
1 stop9h 34mSun Country Air
Deal found 5/22$262
Cheap Alaska Airlines flights from Chicago to Sonoma
Explore cheap flight options specifically provided by Alaska Airlines for the route between Chicago and Sonoma. 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 2,730,072 searches. Data last updated May 23, 2024.
Some of the lowest-priced Alaska Airlines flights we've found at this time heading from Chicago to Sonoma. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 10/15:45 pmORD - SFO
Nonstop4h 43mAlaska Airlines
Wed 10/210:27 amSFO - ORD
Nonstop4h 20mAlaska Airlines
Deal found 5/22$179
Mon 7/16:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Tue 7/911:59 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 5/23$183
Sat 7/206:20 pmORD - SFO
Nonstop4h 40mAlaska Airlines
Sat 8/1010:54 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 5/22$184
Sat 7/206:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Tue 8/1311:59 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 5/23$189
Thu 9/195:25 pmORD - SFO
Nonstop4h 44mAlaska Airlines
Tue 9/249:55 amSFO - ORD
Nonstop4h 20mAlaska Airlines
Deal found 5/22$194
Tue 6/186:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Tue 7/97:55 pmSFO - ORD
1 stop7h 20mAlaska Airlines
Deal found 5/22$198
Sat 7/138:00 amORD - SFO
1 stop7h 23mAlaska Airlines
Tue 7/167:55 pmSFO - ORD
1 stop7h 20mAlaska Airlines
Deal found 5/22$208
Wed 5/297:00 amORD - SFO
Nonstop4h 37mAlaska Airlines
Mon 6/311:57 pmSFO - ORD
Nonstop4h 23mAlaska Airlines
Deal found 5/22$261
Sat 6/17:00 amORD - SFO
Nonstop4h 37mAlaska Airlines
Mon 6/311:57 pmSFO - ORD
Nonstop4h 23mAlaska Airlines
Deal found 5/22$274
Cheap Chicago to Sonoma flights in May & June 2024
Find cheap flight options from Chicago to Sonoma specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on May 23, 2024.
Check out some of the best flight deals from Chicago to Sonoma in 2024. Check back regularly for other flight deals.
Wed 5/297:59 pmORD - SFO
1 stop6h 42mFrontier
Wed 6/56:34 pmSFO - ORD
1 stop8h 49mFrontier
Deal found 5/22$176
Sat 6/15:56 pmORD - SFO
1 stop8h 03mFrontier
Wed 6/56:34 pmSFO - ORD
1 stop8h 49mFrontier
Deal found 5/22$177
Sat 6/17:59 pmORD - SFO
1 stop6h 42mFrontier
Tue 6/46:33 pmSFO - ORD
1 stop8h 27mFrontier
Deal found 5/22$178
Wed 6/59:53 pmORD - SFO
1 stop10h 54mFrontier
Wed 6/127:04 pmSFO - ORD
1 stop8h 21mFrontier
Deal found 5/22$180
Sat 6/15:56 pmORD - SFO
1 stop16h 14mFrontier
Mon 6/312:59 amSFO - ORD
1 stop17h 51mFrontier
Deal found 5/22$183
Tue 6/116:00 amORD - SFO
1 stop28h 19mFrontier
Wed 6/1212:07 pmSFO - ORD
1 stop15h 18mFrontier
Deal found 5/21$184
Tue 6/186:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Wed 7/1011:59 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 5/22$189
Wed 5/297:59 pmORD - SFO
1 stop28h 09mFrontier
Sat 6/111:43 amSFO - ORD
1 stop6h 35mFrontier
Deal found 5/23$190
Wed 6/264:18 pmMDW - SFO
Nonstop4h 28mFrontier
Mon 7/158:58 amSFO - MDW
Nonstop4h 10mFrontier
Deal found 5/23$193
Chicago to Sonoma 2024 flight deals
Discover exclusive flight deals for travel between Chicago and Sonoma in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 23, 2024.
Check out some of the best flight deals from Chicago to Sonoma in 2024. Check back regularly for other flight deals.
Wed 9/184:09 pmMDW - SFO
Nonstop4h 38mFrontier
Sat 9/289:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/23$138
Sat 8/174:09 pmMDW - SFO
Nonstop4h 38mFrontier
Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$140
Sat 10/194:09 pmMDW - SFO
Nonstop4h 38mFrontier
Sat 10/269:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$146
Mon 8/194:09 pmMDW - SFO
Nonstop4h 38mFrontier
Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$168
Mon 9/164:09 pmMDW - SFO
Nonstop4h 38mFrontier
Sat 9/289:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$169
Sat 8/174:09 pmMDW - SFO
Nonstop4h 38mFrontier
Mon 8/199:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$170
Fri 9/134:09 pmMDW - SFO
Nonstop4h 38mFrontier
Sat 9/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/21$175
Wed 5/297:59 pmORD - SFO
1 stop6h 42mFrontier
Wed 6/56:34 pmSFO - ORD
1 stop8h 49mFrontier
Deal found 5/22$176
Sat 6/15:56 pmORD - SFO
1 stop8h 03mFrontier
Wed 6/56:34 pmSFO - ORD
1 stop8h 49mFrontier
Deal found 5/22$177
Non-stop flights to Sonoma from Chicago
Discover non-stop flight options from Chicago to Sonoma. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 23, 2024.
For a quicker trip, book one of these direct flights from Chicago to Sonoma. Users can also choose from other Chicago to Sonoma flights by using the search form above.
Mon 8/194:09 pmMDW - SFO
Nonstop4h 38mFrontier
Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$168
Sat 8/174:09 pmMDW - SFO
Nonstop4h 38mFrontier
Fri 8/239:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$169
Sat 8/174:09 pmMDW - SFO
Nonstop4h 38mFrontier
Mon 8/199:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$170
Tue 10/15:45 pmORD - SFO
Nonstop4h 43mAlaska Airlines
Wed 10/210:27 amSFO - ORD
Nonstop4h 20mAlaska Airlines
Deal found 5/22$179
Sat 7/206:20 pmORD - SFO
Nonstop4h 40mAlaska Airlines
Sat 8/1010:54 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 5/22$184
Fri 8/164:09 pmMDW - SFO
Nonstop4h 38mFrontier
Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/22$185
Sat 7/134:18 pmMDW - SFO
Nonstop4h 29mFrontier
Wed 7/178:58 amSFO - MDW
Nonstop4h 10mFrontier
Deal found 5/22$187
Wed 7/34:23 pmMDW - SFO
Nonstop4h 28mFrontier
Fri 7/58:58 amSFO - MDW
Nonstop4h 10mFrontier
Deal found 5/22$188
Sat 7/206:35 amORD - SFO
Nonstop4h 37mAlaska Airlines
Tue 8/1311:59 pmSFO - ORD
Nonstop4h 21mAlaska Airlines
Deal found 5/23$189
Chicago to Sonoma flights leaving soon
Find last-minute flight options from Chicago to Sonoma 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 2,730,072 searches. Data last updated May 23, 2024.
Book one of these great deals on flights from Chicago to Sonoma. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 5/297:59 pmORD - SFO
1 stop6h 42mFrontier
Wed 6/56:34 pmSFO - ORD
1 stop8h 49mFrontier
Deal found 5/22$176
Sat 6/15:56 pmORD - SFO
1 stop8h 03mFrontier
Wed 6/56:34 pmSFO - ORD
1 stop8h 49mFrontier
Deal found 5/22$177
Sat 6/17:59 pmORD - SFO
1 stop6h 42mFrontier
Tue 6/46:33 pmSFO - ORD
1 stop8h 27mFrontier
Deal found 5/22$178
Sat 6/17:59 pmORD - SFO
1 stop6h 42mFrontier
Tue 6/46:33 pmSFO - ORD
1 stop8h 27mFrontier
Deal found 5/23$180
Sat 6/15:56 pmORD - SFO
1 stop16h 14mFrontier
Mon 6/312:59 amSFO - ORD
1 stop17h 51mFrontier
Deal found 5/22$183
Wed 5/297:59 pmORD - SFO
1 stop28h 09mFrontier
Sat 6/111:43 amSFO - ORD
1 stop6h 35mFrontier
Deal found 5/23$190
Sat 6/17:59 pmORD - SFO
1 stop6h 42mFrontier
Sat 6/298:36 pmSFO - ORD
1 stop6h 57mFrontier
Deal found 5/22$196
Sat 6/17:59 pmORD - SFO
1 stop6h 42mFrontier
Sat 6/298:36 pmSFO - ORD
1 stop6h 57mFrontier
Deal found 5/22$197
Wed 5/297:59 pmORD - SFO
1 stop6h 42mFrontier
Tue 6/412:59 amSFO - ORD
1 stop17h 49mFrontier
Deal found 5/22$216
One-way flights to Sonoma from Chicago
Search for one-way flight options from Chicago to Sonoma. 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 2,730,072 searches. Data last updated May 23, 2024.
Users traveling one-way from Chicago to Sonoma can select one of these great deals. Users in need of a round-trip flight from Chicago to Sonoma instead should update the search form at the top of page.
Wed 10/304:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/21$69
Wed 6/124:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/21$70
Wed 6/54:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/22$71
Sat 8/244:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/22$77
Wed 8/214:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/22$78
Sat 6/154:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/22$89
Wed 7/34:23 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/22$90
Wed 5/297:59 pmORD - SFO
1 stop6h 42mFrontier
Deal found 5/22$90
Wed 6/264:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/22$94
Find flights from Chicago to Sonoma within your budget
Customize your flight search to find flights from Chicago to Sonoma 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 2,730,072 searches. Data last updated May 23, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$138 - $243
Route
Depart
Return
Price
Chicago MidwaySan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 8/21
Nonstop4h 38m
San Francisco
Sat 8/24
Nonstop4h 11m
$138
Chicago MidwaySan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 8/17
Nonstop4h 38m
San Francisco
Wed 8/21
Nonstop4h 11m
$140
Chicago MidwaySan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 10/19
Nonstop4h 38m
San Francisco
Sat 10/26
Nonstop4h 11m
$146
Chicago O'Hare IntlSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Tue 10/1
Nonstop4h 43m
San Francisco
Wed 10/2
Nonstop4h 20m
$179
Chicago O'Hare IntlSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Sat 8/10
Nonstop4h 39m
San Francisco
Wed 8/14
Nonstop4h 17m
$193
Chicago O'Hare IntlSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Wed 6/5
Nonstop4h 37m
San Francisco
Tue 6/11
1 stop7h 00m
$203
Chicago O'Hare IntlSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Sun 6/30
1 stop11h 52m
San Francisco
Fri 7/5
1 stop9h 34m
$225
Chicago MidwaySan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 8/17
1 stop8h 52m
San Francisco
Sat 8/24
1 stop9h 14m
$236
Chicago O'Hare IntlSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Fri 8/16
Nonstop4h 40m
San Francisco
Mon 8/26
Nonstop4h 15m
$243
When is the best time to book a flight from Chicago to Sonoma?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Sonoma. Price data was last updated on May 22, 2024.
The best time to book flights from Chicago to Sonoma is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
When is the cheapest time to fly from Chicago to Sonoma?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Sonoma. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Sonoma flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Best time to book a flight from Chicago to Sonoma
Have a flexible travel schedule? Discover the best time to fly to Sonoma from Chicago 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.
Temperature and rainfall in Sonoma by month
Plan your trip to Sonoma by taking into account the average temperature and rainfall totals by month.
SFO Temperature | 51.8 - 62.6 °F |
|---|
Reviews of airlines servicing Sonoma
Get insights into the airlines that provide service to Sonoma. 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 Sonoma. Reviews last updated May 23, 2024.
Get a feel of what it's like to fly with Sun Country Air, Alaska Airlines and United Airlines from Chicago to Sonoma by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
6,004 reviews
Crew
8.7
Boarding
8.3
Entertainment
7.8
Comfort
8.1
Overall
8.2
Food
7.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Southwest
6,004 reviews
Southwest
6,004 reviews
Crew
8.7
Boarding
8.3
Entertainment
7.8
Comfort
8.1
Overall
8.2
Food
7.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
9,175 reviews
Southwest
6,004 reviews
Crew
8.7
Boarding
8.3
Entertainment
7.8
Comfort
8.1
Overall
8.2
Food
7.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
10,561 reviews
Southwest
6,004 reviews
Crew
8.7
Boarding
8.3
Entertainment
7.8
Comfort
8.1
Overall
8.2
Food
7.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
2,895 reviews
Southwest
6,004 reviews
Crew
8.7
Boarding
8.3
Entertainment
7.8
Comfort
8.1
Overall
8.2
Food
7.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
410 reviews
Southwest
6,004 reviews
Crew
8.7
Boarding
8.3
Entertainment
7.8
Comfort
8.1
Overall
8.2
Food
7.3
Reviews
1 / 10
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Related info for your journey
Find useful and relevant information for your journey from Chicago to Sonoma. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Chicago to SonomaSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Chicago to Sonoma
Discover the top 7 airlines that operate flights from Chicago to Sonoma. 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 2,730,072 searches. Data last updated May 23, 2024.
Search flights from Chicago to Sonoma by cabin class
Find flights from Chicago to Sonoma, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Chicago to Sonoma
Find hourly flight availability from Chicago to Sonoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 23, 2024.
| 2%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 41%of flight departures | Morning6 am to noon |
| 33%of flight departures | AfternoonNoon to 6 pm |
| 24%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Weekly flight availability from Chicago to Sonoma
Explore weekly flight availability from Chicago to Sonoma. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 23, 2024.
| Sunday | 56daily flights |
|---|---|
| Monday | 67daily flights |
| Tuesday | 59daily flights |
| Wednesday | 58daily flights |
| Thursday | 58daily flights |
| Friday | 61daily flights |
| Saturday | 48daily flights |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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 Chicago to Sonoma?
Cheapflights makes it easy to find Chicago to Sonoma flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Chicago to Sonoma?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Sonoma for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Chicago to Sonoma with no change fees?
Certainly. Search results for flights to Sonoma from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Chicago to Sonoma become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sonoma from Chicago today and book when prices fit your budget.