
| Most accurate provider | eDreams 3 stars | 
|---|---|
| Most trusted provider | eDreams 3 stars | 
| Round-trip from | $269 (lol.travel) | 
| One-way from | $126 (Kiwi.com) | 
| Popular in | December | 
| Cheapest in | July | 
| Average price | $321 | 
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Tue 11/18
2:54 pm-11:57 pm
1 stop11h 03m
Santa Rosa Sonoma County
Wed 12/3
6:43 pm-11:50 pm
1 stop27h 07m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Mon 3/2
2:59 pm-11:07 am
1 stop22h 08m
Santa Rosa Sonoma County
Fri 3/6
6:58 am-1:59 pm
1 stop29h 01m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Thu 12/11
8:59 pm-10:54 pm
1 stop27h 55m
Santa Rosa Sonoma County
Sat 12/13
6:58 pm-11:50 pm
1 stop26h 52m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Fri 12/12
3:05 pm-10:54 pm
1 stop9h 49m
Santa Rosa Sonoma County
Sat 12/13
6:58 pm-2:09 pm
1 stop17h 11m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Wed 12/10
8:55 am-10:54 pm
1 stop15h 59m
Santa Rosa Sonoma County
Sun 12/14
8:00 am-11:50 pm
1 stop13h 50m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Thu 11/20
9:20 am-4:02 pm
1 stop8h 42m
Santa Rosa Sonoma County
Tue 12/16
8:00 am-2:09 pm
1 stop28h 09m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Wed 11/19
9:20 am-11:57 pm
1 stop16h 37m
Santa Rosa Sonoma County
Thu 12/18
7:00 am-8:02 pm
2 stops11h 02m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Wed 11/19
9:20 am-11:57 pm
1 stop16h 37m
Santa Rosa Sonoma County
Sat 12/20
7:00 am-11:59 pm
2 stops14h 59m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Fri 12/5
3:05 pm-2:36 pm
1 stop25h 31m
Santa Rosa Sonoma County
Sun 12/7
8:00 am-11:50 pm
1 stop13h 50m
ChicagoSanta Rosa
ORD - STS
ORDSTS
Chicago O'Hare Intl
Thu 11/20
9:20 am-4:02 pm
1 stop8h 42m
Santa Rosa Sonoma County
Thu 12/18
6:45 am-11:59 pm
1 stop15h 14m
Currently, February is the cheapest month in which you can book a flight from Illinois to Santa Rosa (average of $130). Flying from Illinois to Santa Rosa in June is currently the most expensive (average of $198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Illinois to Santa Rosa at noon. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight in the morning.
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$384 | Average$743 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$444 | Average$547 | FlexibilityNo cancel fee | On-time85% |