$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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ORD
Sep 18 — Sep 251
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 19, 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 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 9/126:16 am -
1 stop11h 05m
Mon 9/148:17 pm -
1 stop15h 37m
Deal found 8/19![Alaska Airlines logo]()
$299
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
1 stop9h 20m
Sat 10/242:21 pm -
1 stop7h 29m
Deal found 8/14![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 10/2411:21 am -
1 stop8h 44m
Tue 10/279:59 am -
2 stops8h 06m
Deal found 8/19![Delta logo]()
$334
This Orbitz deal was found by Cheapflights users on 8/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:47 pm -
1 stop16h 35m
Fri 9/183:52 pm -
1 stop8h 07m
Deal found 8/15![Alaska Airlines logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/246:19 am -
1 stop10h 34m
Mon 10/262:21 pm -
1 stop10h 39m
Deal found 8/19![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/211:40 pm -
2 stops14h 40m
Thu 9/248:17 pm -
1 stop15h 37m
Deal found 8/15![Alaska Airlines logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/146:47 pm -
1 stop22h 34m
Wed 9/167:20 am -
1 stop8h 52m
Deal found 8/17![Alaska Airlines logo]()
$371
This Expedia deal was found by Cheapflights users on 8/15. 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.
Sat 9/196:16 am -
1 stop11h 05m
Sat 9/267:20 am -
2 stops11h 19m
Deal found 8/15![Alaska Airlines logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/233:32 pm -
2 stops12h 08m
Tue 10/272:21 pm -
1 stop7h 29m
Deal found 8/19![Alaska Airlines logo]()
$377
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 19, 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 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/126:16 am -
1 stop11h 05m
Mon 9/148:17 pm -
1 stop15h 37m
Deal found 8/16![Alaska Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 10/2411:21 am -
1 stop8h 44m
Tue 10/279:59 am -
2 stops8h 06m
Deal found 8/19![Delta logo]()
$334
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
1 stop9h 20m
Sat 10/242:21 pm -
1 stop7h 29m
Deal found 8/14![Alaska Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/211:40 pm -
2 stops14h 40m
Thu 9/248:17 pm -
1 stop15h 37m
Deal found 8/15![Alaska Airlines logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/146:47 pm -
1 stop22h 34m
Wed 9/167:20 am -
1 stop8h 52m
Deal found 8/17![Alaska Airlines logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/233:32 pm -
2 stops12h 08m
Tue 10/272:21 pm -
1 stop7h 29m
Deal found 8/19![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/176:16 am -
1 stop11h 05m
Wed 9/238:00 am -
2 stops15h 31m
Deal found 8/17![Alaska Airlines logo]()
$386
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:47 pm -
1 stop22h 06m
Mon 10/52:21 pm -
1 stop26h 31m
Deal found 8/14![Alaska Airlines logo]()
$400
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:40 pm -
2 stops27h 41m
Fri 9/252:18 pm -
1 stop11h 36m
Deal found 8/14![Alaska Airlines logo]()
$419
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 19, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to O'Hare Intl. Data last updated August 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 9/126:16 am -
1 stop11h 05m
Mon 9/148:17 pm -
1 stop15h 37m
Deal found 8/19![Alaska Airlines logo]()
$299
This Mytrip deal was found by Cheapflights users on 8/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:16 am -
1 stop29h 06m
Wed 9/167:20 am -
1 stop8h 52m
Deal found 8/17![Alaska Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/146:47 pm -
1 stop22h 34m
Wed 9/167:20 am -
1 stop8h 52m
Deal found 8/17![Alaska Airlines logo]()
$371
This Orbitz deal was found by Cheapflights users on 8/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:47 pm -
1 stop16h 35m
Fri 9/183:52 pm -
1 stop8h 07m
Deal found 8/15![Alaska Airlines logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/176:16 am -
1 stop11h 05m
Wed 9/238:00 am -
2 stops15h 31m
Deal found 8/17![Alaska Airlines logo]()
$386
This Expedia deal was found by Cheapflights users on 8/15. 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.
Sat 9/196:16 am -
1 stop11h 05m
Sat 9/267:20 am -
2 stops11h 19m
Deal found 8/15![Alaska Airlines logo]()
$376
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/211:40 pm -
2 stops14h 40m
Thu 9/248:17 pm -
1 stop15h 37m
Deal found 8/15![Alaska Airlines logo]()
$370
This Expedia deal was found by Cheapflights users on 8/17. 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 9/236:47 pm -
1 stop16h 35m
Sun 9/277:20 am -
1 stop18h 34m
Deal found 8/17![Alaska Airlines logo]()
$391
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 19, 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 19, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 10/2811:21 am -
1 stop8h 44m
Deal found 8/19![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 8/19. 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 8/19![Delta logo]()
$155
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/166:16 am -
1 stop11h 05m
Deal found 8/18![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/186:16 am -
1 stop29h 06m
Deal found 8/18![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 9/510:34 am -
1 stop6h 47m
Deal found 8/16![Alaska Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 8/15. 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 10/1411:21 am -
1 stop8h 44m
Deal found 8/15![Delta logo]()
$180
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:47 pm -
1 stop16h 35m
Deal found 8/14![Alaska Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 8/19. 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 10/1611:21 am -
1 stop8h 44m
Deal found 8/19![Delta logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/176:16 am -
1 stop11h 05m
Deal found 8/18![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/21:40 pm -
2 stops27h 13m
Deal found 8/15![Alaska Airlines logo]()
$215
This Expedia deal was found by Cheapflights users on 8/18. 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.
Tue 10/64:35 pm -
2 stops11h 05m
Deal found 8/18![Alaska Airlines logo]()
$226
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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (Alaska Airlines) |
One-way from | $150 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $423 |
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 7,457,451 searches. Data last updated August 19, 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
Sat 9/12
6:16 am-7:21 pm
1 stop11h 05m
Chicago O'Hare Intl
Mon 9/14
8:17 pm-9:54 am
1 stop15h 37m
$299
Quickest round-trip
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Tue 10/20
7:00 am-6:20 pm
1 stop9h 20m
Chicago O'Hare Intl
Sat 10/24
2:21 pm-7:50 pm
1 stop7h 29m
$329
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sat 10/24
11:21 am-10:05 pm
1 stop8h 44m
Chicago O'Hare Intl
Tue 10/27
9:59 am-4:05 pm
2 stops8h 06m
$334
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Mon 9/21
1:40 pm-6:20 am
2 stops14h 40m
Chicago O'Hare Intl
Thu 9/24
8:17 pm-9:54 am
1 stop15h 37m
$370
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Mon 9/14
6:47 pm-7:21 pm
1 stop22h 34m
Chicago O'Hare Intl
Wed 9/16
7:20 am-2:12 pm
1 stop8h 52m
$371
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Fri 10/23
3:32 pm-5:40 am
2 stops12h 08m
Chicago O'Hare Intl
Tue 10/27
2:21 pm-7:50 pm
1 stop7h 29m
$377
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Thu 9/17
6:16 am-7:21 pm
1 stop11h 05m
Chicago O'Hare Intl
Wed 9/23
8:00 am-9:31 pm
2 stops15h 31m
$386
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Fri 10/2
6:47 pm-6:53 pm
1 stop22h 06m
Chicago O'Hare Intl
Mon 10/5
2:21 pm-2:52 pm
1 stop26h 31m
$400
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Mon 9/21
1:40 pm-7:21 pm
2 stops27h 41m
Chicago O'Hare Intl
Fri 9/25
2:18 pm-11:54 pm
1 stop11h 36m
$419
Cheapest one-way
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sat 10/10
11:21 am-10:00 pm
1 stop8h 39m
$150
Showing 1-10 of 19 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 19, 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.
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
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
Schaumburg
Naperville
Lake Geneva
Oak Brook
Oakbrook Terrace
Delavan
South Holland
Libertyville
Gurnee
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.
Santa Rosa and O'Hare Intl flights
Browse other Santa Rosa and O'Hare Intl flight options. Last updated on August 19, 2026.
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Browse through other flights departing from Santa Rosa. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$378 | FlexibilityNo cancel fee | On-time75% |