Find Cheap Flights from Chicago O'Hare International to Santa Rosa Sonoma County (ORD - STS)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago O'Hare International to Santa Rosa Sonoma County

(Round-trip)
Depart: Fri Oct 6 2017 Return: Mon Oct 9 2017 Trip spans 4 days
United
United
ORD
12:00a
STS
8:10a
8h 10m
1 stop
STS
12:00a
ORD
7:31a
7h 31m
1 stop
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ORD
12:00a
STS
7:14a
7h 14m
1 stop
STS
12:00a
ORD
6:28a
6h 28m
1 stop
Depart: Thu Nov 30 2017 Return: Wed Dec 6 2017 Trip spans 7 days
American Airlines
American Airlines
ORD
12:00a
STS
9:08a
9h 08m
1 stop
STS
12:00a
ORD
9:10a
9h 10m
1 stop
Depart: Thu Mar 8 2018 Return: Sun Mar 11 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
STS
8:50a
8h 50m
1 stop
STS
12:00a
ORD
8:27a
7h 27m
1 stop
Depart: Sat Dec 2 2017 Return: Mon Dec 4 2017 Trip spans 3 days
United
United
ORD
12:00a
STS
8:01a
8h 01m
1 stop
STS
12:00a
ORD
7:43a
7h 43m
1 stop
Depart: Tue Jan 9 2018 Return: Tue Jan 16 2018 Trip spans 8 days
American Airlines
American Airlines
ORD
12:00a
STS
6:54a
6h 54m
1 stop
STS
12:00a
ORD
6:20a
6h 20m
1 stop
Depart: Fri Feb 2 2018 Return: Mon Feb 12 2018 Trip spans 11 days
American Airlines
American Airlines
ORD
12:00a
STS
9:17a
9h 17m
1 stop
STS
12:00a
ORD
8:00a
8h 00m
1 stop
Depart: Mon Dec 11 2017 Return: Fri Dec 15 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
12:00a
STS
7:56a
7h 56m
1 stop
STS
12:00a
ORD
9:09a
9h 09m
1 stop
Depart: Thu Sep 28 2017 Return: Mon Oct 2 2017 Trip spans 5 days
United
United
ORD
12:00a
STS
11:39a
11h 39m
2 stops
STS
12:00a
ORD
11:24a
11h 24m
2 stops
Depart: Sun Mar 25 2018 Return: Thu Mar 29 2018 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
12:00a
STS
5:20p
17h 20m
1 stop
STS
12:00a
ORD
6:20a
6h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Chicago
$292
Destination

Santa Rosa
$292