$150+ Cheap flights from Santa Rosa (STS) to O'Hare Intl (ORD)
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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ORD
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Santa Rosa to O'Hare Intl
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Cheapest flights from Santa Rosa to O'Hare IntlExplore the most affordable flight options available from Santa Rosa to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Santa Rosa to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:58 pm -
1 stop9h 30m
Mon 9/145:00 am -
1 stop9h 09m
Deal found 8/13![American Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:16 am -
1 stop11h 05m
Sat 9/198:00 am -
1 stop15h 59m
Deal found 8/12![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:16 am -
1 stop11h 05m
Tue 9/87:20 am -
1 stop8h 52m
Deal found 8/12![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:34 am -
1 stop6h 47m
Thu 9/36:05 am -
1 stop10h 07m
Deal found 8/12![Alaska Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:34 am -
1 stop6h 47m
Sat 9/127:20 am -
1 stop8h 52m
Deal found 8/12![Alaska Airlines logo]()
$335
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:16 am -
1 stop11h 05m
Mon 9/218:17 pm -
1 stop15h 37m
Deal found 8/10![Alaska Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:16 am -
1 stop11h 05m
Sun 9/66:05 am -
1 stop19h 49m
Deal found 8/12![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:34 am -
1 stop6h 47m
Sun 9/66:05 am -
1 stop19h 49m
Deal found 8/12![Alaska Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:16 am -
1 stop11h 05m
Mon 9/148:17 pm -
1 stop15h 37m
Deal found 8/12![Alaska Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:19 am -
1 stop29h 06m
Sat 10/242:21 pm -
1 stop7h 29m
Deal found 8/13![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:34 am -
1 stop6h 47m
Mon 9/147:20 am -
1 stop18h 34m
Deal found 8/12![Alaska Airlines logo]()
$343
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:16 am -
1 stop15h 43m
Tue 9/228:00 am -
1 stop15h 59m
Deal found 8/10![Alaska Airlines logo]()
$344
Best flights from Santa Rosa to O'Hare IntlDiscover carefully curated flight deals from Santa Rosa to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Santa Rosa to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:16 am -
1 stop11h 05m
Sat 9/198:00 am -
1 stop15h 59m
Deal found 8/12![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:47 pm -
1 stop16h 35m
Wed 9/168:00 am -
1 stop15h 59m
Deal found 8/12![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:19 am -
1 stop29h 06m
Sat 10/242:21 pm -
1 stop7h 29m
Deal found 8/13![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:00 am -
1 stop8h 37m
Mon 11/162:15 pm -
2 stops28h 14m
Deal found 8/12![Alaska Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:16 am -
1 stop15h 43m
Sat 9/127:20 am -
1 stop8h 52m
Deal found 8/12![Alaska Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:19 am -
1 stop29h 06m
Wed 10/212:21 pm -
2 stops27h 51m
Deal found 8/13![Alaska Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:19 am -
1 stop10h 34m
Wed 10/142:21 pm -
1 stop7h 29m
Deal found 8/10![Alaska Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:19 am -
1 stop10h 34m
Thu 10/152:21 pm -
1 stop10h 39m
Deal found 8/10![Alaska Airlines logo]()
$443
Last-minute flights from Santa Rosa to O'Hare IntlDiscover last-minute flight deals from Santa Rosa to O'Hare Intl. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to O'Hare Intl. Data last updated August 14, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:34 am -
1 stop6h 47m
Thu 9/36:05 am -
1 stop10h 07m
Deal found 8/12![Alaska Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:34 am -
1 stop6h 47m
Sun 9/66:05 am -
1 stop19h 49m
Deal found 8/12![Alaska Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:58 pm -
1 stop9h 30m
Mon 9/145:00 am -
1 stop9h 09m
Deal found 8/13![American Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:16 am -
1 stop11h 05m
Tue 9/87:20 am -
1 stop8h 52m
Deal found 8/12![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:16 am -
1 stop11h 05m
Sun 9/66:05 am -
1 stop19h 49m
Deal found 8/12![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:34 am -
1 stop6h 47m
Sat 9/127:20 am -
1 stop8h 52m
Deal found 8/12![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:34 am -
1 stop6h 47m
Fri 9/113:52 pm -
1 stop8h 07m
Deal found 8/12![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:34 am -
1 stop6h 47m
Mon 9/147:20 am -
1 stop18h 34m
Deal found 8/12![Alaska Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:16 am -
1 stop11h 05m
Sat 9/198:00 am -
1 stop15h 59m
Deal found 8/12![Alaska Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:16 am -
1 stop11h 05m
Mon 9/148:17 pm -
1 stop15h 37m
Deal found 8/12![Alaska Airlines logo]()
$341
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:16 am -
1 stop11h 05m
Mon 9/218:17 pm -
1 stop15h 37m
Deal found 8/10![Alaska Airlines logo]()
$337
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:16 am -
1 stop15h 43m
Tue 9/228:00 am -
1 stop15h 59m
Deal found 8/10![Alaska Airlines logo]()
$344
One-way flights from Santa Rosa to O'Hare IntlSearch for one-way flight options from Santa Rosa to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Santa Rosa to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:21 am -
1 stop8h 39m
Deal found 8/14![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:00 am -
2 stops12h 37m
Deal found 8/13![Delta logo]()
$155
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:29 am -
1 stop8h 18m
Deal found 8/11![Delta logo]()
$168
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:19 am -
1 stop10h 34m
Deal found 8/11![Alaska Airlines logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:34 am -
1 stop6h 47m
Deal found 8/10![Alaska Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:16 am -
1 stop11h 05m
Deal found 8/13![Alaska Airlines logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:48 pm -
1 stop16h 06m
Deal found 8/13![Alaska Airlines logo]()
$181
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:00 am -
2 stops12h 37m
Deal found 8/13![Delta logo]()
$185
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/111:25 am -
1 stop8h 28m
Deal found 8/13![Delta logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:47 pm -
1 stop22h 34m
Deal found 8/13![Alaska Airlines logo]()
$196
Find flight deals from Santa Rosa to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to O'Hare Intl (ORD). 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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $316 (American Airlines) |
One-way from | $150 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $420 |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to O'Hare Intl 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 2,558,603 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Santa Rosa to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Fri 9/11
6:16 am-7:21 pm
1 stop11h 05m
Chicago O'Hare Intl
Sat 9/19
8:00 am-9:59 pm
1 stop15h 59m
$317
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Thu 9/10
6:47 pm-1:22 pm
1 stop16h 35m
Chicago O'Hare Intl
Wed 9/16
8:00 am-9:59 pm
1 stop15h 59m
$335
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Tue 10/20
6:19 am-1:25 pm
1 stop29h 06m
Chicago O'Hare Intl
Sat 10/24
2:21 pm-7:50 pm
1 stop7h 29m
$342
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sat 11/14
7:00 am-5:37 pm
1 stop8h 37m
Chicago O'Hare Intl
Mon 11/16
2:15 pm-4:29 pm
2 stops28h 14m
$365
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Mon 9/7
6:16 am-11:59 pm
1 stop15h 43m
Chicago O'Hare Intl
Sat 9/12
7:20 am-2:12 pm
1 stop8h 52m
$380
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sun 10/18
6:19 am-1:25 pm
1 stop29h 06m
Chicago O'Hare Intl
Wed 10/21
2:21 pm-4:12 pm
2 stops27h 51m
$392
Quickest round-trip
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sat 10/10
6:19 am-6:53 pm
1 stop10h 34m
Chicago O'Hare Intl
Wed 10/14
2:21 pm-7:50 pm
1 stop7h 29m
$423
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Wed 10/7
6:19 am-6:53 pm
1 stop10h 34m
Chicago O'Hare Intl
Thu 10/15
2:21 pm-11:00 pm
1 stop10h 39m
$443
Cheapest one-way
Quickest one-way
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Tue 1/5
12:39 pm-9:53 pm
1 stop7h 14m
$150
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Wed 1/6
7:12 am-5:01 pm
1 stop7h 49m
$167
Showing 1-10 of 18 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Santa Rosa-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Santa Rosa to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Santa Rosa with our price prediction graph.
STS-ORD
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 O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated August 14, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines from Santa Rosa to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
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Naperville
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Oakbrook Terrace
Delavan
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Libertyville
Gurnee
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Beloit
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Aurora
Racine
Great Lakes
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Top airline flying from Santa Rosa to O'Hare Intl
Discover the top airline that operate flights from Santa Rosa to O'Hare Intl. 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$378 | FlexibilityNo cancel fee | On-time75% |