$152+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ORD
May 10 — May 171
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
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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 April 10, 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 April 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Wed 5/279:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/277:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Sat 5/309:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/67:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Thu 5/73:52 pm
ORD
- STS
1 stop9h 35m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 6/37:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Sat 6/69:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/27:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Wed 5/66:00 am
ORD
- STS
1 stop8h 21m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Sat 5/309:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/267:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Wed 5/279:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 5/137:40 pm
STS
- ORD
1 stop15h 34m
Alaska Airlines
Sat 5/169:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/10![Alaska Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/67:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Wed 5/132:10 pm
ORD
- STS
1 stop11h 40m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/247:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Wed 5/279:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/97:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Sat 5/169:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Tue 5/262:10 pm
ORD
- STS
1 stop11h 46m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$383
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 April 10, 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 April 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/287:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Sat 5/309:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/97:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Sat 5/169:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Fri 5/299:00 am
ORD
- STS
1 stop16h 50m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/247:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Sat 5/309:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/77:46 pm
STS
- ORD
1 stop8h 54m
Alaska Airlines
Fri 5/83:52 pm
ORD
- STS
1 stop9h 35m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 4/287:45 am
STS
- ORD
2 stops14h 14m
Alaska Airlines
Wed 4/296:00 am
ORD
- STS
1 stop8h 21m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 4/258:20 am
STS
- ORD
2 stops20h 20m
Alaska Airlines
Sat 5/26:00 am
ORD
- STS
1 stop8h 21m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/247:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Tue 5/262:10 pm
ORD
- STS
1 stop11h 46m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/67:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Fri 5/86:00 am
ORD
- STS
2 stops19h 01m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 4/307:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Mon 5/46:00 am
ORD
- STS
1 stop8h 21m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 7/25:56 pm
STS
- ORD
1 stop17h 25m
Alaska Airlines
Tue 7/77:59 pm
ORD
- STS
1 stop16h 25m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 5/18:00 pm
STS
- ORD
1 stop15h 13m
Alaska Airlines
Mon 5/46:00 am
ORD
- STS
1 stop8h 21m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$480
Last-minute flights from Santa Rosa to O'Hare IntlDiscover last-minute flight deals from Santa Rosa to O'Hare Intl. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to O'Hare Intl. Data last updated April 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/27:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Wed 5/66:00 am
ORD
- STS
1 stop8h 21m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/67:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Thu 5/73:52 pm
ORD
- STS
1 stop9h 35m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/67:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Wed 5/132:10 pm
ORD
- STS
1 stop11h 40m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/97:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Sat 5/169:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 5/137:40 pm
STS
- ORD
1 stop15h 34m
Alaska Airlines
Sat 5/169:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/10![Alaska Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Wed 5/279:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Sat 5/309:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/237:06 am
STS
- ORD
1 stop9h 44m
Alaska Airlines
Tue 5/262:10 pm
ORD
- STS
1 stop11h 46m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/247:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Wed 5/279:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/267:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Wed 5/279:00 am
ORD
- STS
1 stop7h 13m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/277:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Sat 5/309:00 am
ORD
- STS
1 stop16h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/277:01 am
STS
- ORD
1 stop9h 49m
Alaska Airlines
Tue 6/22:10 pm
ORD
- STS
1 stop11h 46m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$348
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 April 10, 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 April 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/57:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$152
This WAYA deal was found by Cheapflights users on 4/8. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:51 pm
STS
- ORD
1 stop8h 59m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 5/87:23 am
STS
- ORD
1 stop9h 40m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 6/21:09 pm
STS
- ORD
1 stop8h 50m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$199
This Expedia deal was found by Cheapflights users on 4/9. 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.
Mon 5/48:00 pm
STS
- ORD
1 stop15h 13m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/267:01 am
STS
- ORD
1 stop28h 13m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 5/64:23 pm
STS
- ORD
1 stop6h 09m
American Airlines
Deal found 4/7![American Airlines logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 5/297:40 pm
STS
- ORD
1 stop26h 15m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Tue 5/512:56 pm
STS
- ORD
2 stops8h 52m
American Airlines
Deal found 4/8![American Airlines logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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 6/17:40 pm
STS
- ORD
1 stop21h 10m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$227
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 April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Alaska Airlines) |
One-way from | $152 (Alaska Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $358 |
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 April 10, 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 - ORD
STSORD
Santa Rosa Sonoma County
Thu 5/28
7:01 am-6:50 pm
1 stop9h 49m
Chicago O'Hare Intl
Sat 5/30
9:00 am-11:28 pm
1 stop16h 28m
$381
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Sat 5/9
7:23 am-7:03 pm
1 stop9h 40m
Chicago O'Hare Intl
Sat 5/16
9:00 am-11:28 pm
1 stop16h 28m
$382
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Sat 5/23
7:06 am-6:50 pm
1 stop9h 44m
Chicago O'Hare Intl
Fri 5/29
9:00 am-11:50 pm
1 stop16h 50m
$393
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Sun 5/24
7:01 am-6:50 pm
1 stop9h 49m
Chicago O'Hare Intl
Sat 5/30
9:00 am-11:28 pm
1 stop16h 28m
$416
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Thu 5/7
7:46 pm-6:40 am
1 stop8h 54m
Chicago O'Hare Intl
Fri 5/8
3:52 pm-11:27 pm
1 stop9h 35m
$433
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Tue 4/28
7:45 am-11:59 pm
2 stops14h 14m
Chicago O'Hare Intl
Wed 4/29
6:00 am-12:21 pm
1 stop8h 21m
$442
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Sat 4/25
8:20 am-6:40 am
2 stops20h 20m
Chicago O'Hare Intl
Sat 5/2
6:00 am-12:21 pm
1 stop8h 21m
$457
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Sun 5/24
7:01 am-6:50 pm
1 stop9h 49m
Chicago O'Hare Intl
Tue 5/26
2:10 pm-11:56 pm
1 stop11h 46m
$461
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Wed 5/6
7:23 am-7:03 pm
1 stop9h 40m
Chicago O'Hare Intl
Fri 5/8
6:00 am-11:01 pm
2 stops19h 01m
$463
Quickest round-trip
Santa RosaChicago
STS - ORD
STSORD
Santa Rosa Sonoma County
Thu 4/30
7:23 am-7:03 pm
1 stop9h 40m
Chicago O'Hare Intl
Mon 5/4
6:00 am-12:21 pm
1 stop8h 21m
$468
Showing 1-10 of 21 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.
Cheapflights Insights
Everything you need to know about your flight from Santa Rosa to Chicago O'Hare Intl Airport
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 April 10, 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
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Food
7.0
Boarding
8.1
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 locationsSchaumburg
Rosemont
Lake Geneva
Gurnee
Hoffman Estates
Naperville
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
Oak Brook
South Holland
Elk Grove Village
Libertyville
Warrenville
Bridgeview
Beloit
Great Lakes
Lansing
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Other flights to O'Hare Intl
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Santa Rosa and O'Hare Intl flights
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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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$292 | Average$408 | FlexibilityNo cancel fee | On-time75% |