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Cheap flights from Chicago O'Hare Intl Airport to San Francisco from $152

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to San Francisco departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:52 pm - 11:27 pm
ORD
-
STS
9h 35m
1 stop
Alaska Airlines Logo
7:06 am - 6:50 pm
STS
-
ORD
9h 44m
1 stop
$346Alaska Airlines
ven., mai 8 - sam., mai 16
Alaska Airlines Logo
6:00 am - 12:21 pm
ORD
-
STS
8h 21m
1 stop
Alaska Airlines Logo
7:23 am - 7:03 pm
STS
-
ORD
9h 40m
1 stop
$350Alaska Airlines
sam., mai 2 - sam., mai 9
Alaska Airlines Logo
7:59 pm - 11:25 am
ORD
-
STS
17h 26m
1 stop
Alaska Airlines Logo
7:40 pm - 1:14 pm
STS
-
ORD
15h 34m
1 stop
$381Alaska Airlines
lun., mai 18 - sam., mai 23
Alaska Airlines Logo
6:00 am - 4:23 pm
ORD
-
STS
12h 23m
2 stops
Alaska Airlines Logo
7:23 am - 7:03 pm
STS
-
ORD
9h 40m
1 stop
$387Alaska Airlines
sam., mai 2 - sam., mai 9
Alaska Airlines Logo
3:52 pm - 11:27 pm
ORD
-
STS
9h 35m
1 stop
Alaska Airlines Logo
7:23 am - 7:03 pm
STS
-
ORD
9h 40m
1 stop
$389Alaska Airlines
jeu., avr. 30 - lun., mai 4
Alaska Airlines Logo
7:59 pm - 7:06 pm
ORD
-
STS
25h 07m
1 stop
Alaska Airlines Logo
7:40 pm - 1:14 pm
STS
-
ORD
15h 34m
1 stop
$393Alaska Airlines
ven., mai 8 - mer., mai 13
Alaska Airlines Logo
9:00 am - 2:13 pm
ORD
-
STS
7h 13m
1 stop
Alaska Airlines Logo
7:03 pm - 5:00 am
STS
-
ORD
7h 57m
1 stop
$409Alaska Airlines
mar., juin 9 - mer., juin 17
Alaska Airlines Logo
6:00 am - 4:23 pm
ORD
-
STS
12h 23m
2 stops
Alaska Airlines Logo
7:23 am - 7:03 pm
STS
-
ORD
9h 40m
1 stop
$410Alaska Airlines
sam., mai 2 - sam., mai 9
Alaska Airlines Logo
3:52 pm - 11:27 pm
ORD
-
STS
9h 35m
1 stop
Alaska Airlines Logo
11:48 am - 7:03 pm
STS
-
ORD
29h 15m
2 stops
$416Alaska Airlines
jeu., avr. 30 - lun., mai 4
American Airlines Logo
6:00 am - 12:03 pm
ORD
-
STS
8h 03m
1 stop
American Airlines Logo
4:20 pm - 12:30 am
STS
-
ORD
6h 10m
1 stop
$425American Airlines
mer., juin 3 - mer., juin 3

Alaska Airlines flights from Chicago O'Hare Intl Airport to Santa Rosa

Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Santa Rosa flight tickets
Alaska Airlines
May 8
ORD3:52 pmChicago O'Hare Intl
9h 35m
1 stop
STS11:27 pmSanta Rosa Sonoma County
May 16
STS7:06 amSanta Rosa Sonoma County
9h 44m
1 stop
ORD6:50 pmChicago O'Hare Intl
$346
Alaska Airlines
May 2
ORD6:00 amChicago O'Hare Intl
8h 21m
1 stop
STS12:21 pmSanta Rosa Sonoma County
May 9
STS7:23 amSanta Rosa Sonoma County
9h 40m
1 stop
ORD7:03 pmChicago O'Hare Intl
$350
Alaska Airlines
May 18
ORD7:59 pmChicago O'Hare Intl
17h 26m
1 stop
STS11:25 amSanta Rosa Sonoma County
May 23
STS7:40 pmSanta Rosa Sonoma County
15h 34m
1 stop
ORD1:14 pmChicago O'Hare Intl
$381

Southwest flights from Chicago O'Hare Intl Airport to Santa Rosa

Our best Southwest deals on Chicago O'Hare Intl Airport to Santa Rosa flight tickets
Southwest
May 21
ORD1:35 pmChicago O'Hare Intl
11h 05m
2 stops
STS10:40 pmSanta Rosa Sonoma County
May 26
STS6:00 amSanta Rosa Sonoma County
10h 50m
2 stops
ORD6:50 pmChicago O'Hare Intl
$482
Southwest
May 28
ORD8:00 amChicago O'Hare Intl
10h 00m
2 stops
STS4:00 pmSanta Rosa Sonoma County
Jun 1
STS11:00 amSanta Rosa Sonoma County
10h 55m
2 stops
ORD11:55 pmChicago O'Hare Intl
$487
Southwest
May 18
ORD8:00 amChicago O'Hare Intl
16h 40m
2 stops
STS10:40 pmSanta Rosa Sonoma County
May 23
STS6:05 amSanta Rosa Sonoma County
14h 15m
2 stops
ORD10:20 pmChicago O'Hare Intl
$493

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Santa Rosa 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, momondo users made 832,500 searches. Data last updated avril 12, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

ven. 5/8

3:52 pm-11:27 pm

1 stop9h 35m

Santa Rosa Sonoma County

sam. 5/16

7:06 am-6:50 pm

1 stop9h 44m

$346

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

sam. 5/2

6:00 am-12:21 pm

1 stop8h 21m

Santa Rosa Sonoma County

sam. 5/9

7:23 am-7:03 pm

1 stop9h 40m

$350

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

lun. 5/18

7:59 pm-11:25 am

1 stop17h 26m

Santa Rosa Sonoma County

sam. 5/23

7:40 pm-1:14 pm

1 stop15h 34m

$381

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

sam. 5/2

6:00 am-4:23 pm

2 stops12h 23m

Santa Rosa Sonoma County

sam. 5/9

7:23 am-7:03 pm

1 stop9h 40m

$387

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

jeu. 4/30

3:52 pm-11:27 pm

1 stop9h 35m

Santa Rosa Sonoma County

lun. 5/4

7:23 am-7:03 pm

1 stop9h 40m

$389

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

ven. 5/8

7:59 pm-7:06 pm

1 stop25h 07m

Santa Rosa Sonoma County

mer. 5/13

7:40 pm-1:14 pm

1 stop15h 34m

$393

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

mar. 6/9

9:00 am-2:13 pm

1 stop7h 13m

Santa Rosa Sonoma County

mer. 6/17

7:03 pm-5:00 am

1 stop7h 57m

$409

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

sam. 5/2

6:00 am-4:23 pm

2 stops12h 23m

Santa Rosa Sonoma County

sam. 5/9

7:23 am-7:03 pm

1 stop9h 40m

$410

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

jeu. 4/30

3:52 pm-11:27 pm

1 stop9h 35m

Santa Rosa Sonoma County

lun. 5/4

11:48 am-7:03 pm

2 stops29h 15m

$416
Quickest round-trip

ChicagoSanta Rosa

ORD - STS

ORDSTS

Chicago O'Hare Intl

mer. 6/3

6:00 am-12:03 pm

1 stop8h 03m

Santa Rosa Sonoma County

mer. 6/3

4:20 pm-12:30 am

1 stop6h 10m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Santa Rosa?

When to book flights from Chicago O'Hare Intl Airport to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Santa Rosa (ORD to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Santa Rosa

Fastest flight time

7h 06m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Santa Rosa takes 7h 06m
There are no direct flights from Chicago O'Hare Intl Airport to Santa Rosa. There are no popular flight routes from Chicago O'Hare Intl Airport to Santa Rosa.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Santa Rosa

  • How far is Chicago O'Hare Intl to Santa Rosa Sonoma County by plane?

    A flight from Chicago O'Hare Intl to Santa Rosa Sonoma County will travel around 1838.9 mi. Typically, this will take 7h 06m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents required for your trip to Santa Rosa Sonoma County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santa Rosa Sonoma County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Santa Rosa?

Best airlines flying from Chicago O'Hare Intl Airport to Santa Rosa

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $478Free CancellationRating
7.1
11,570 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
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Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Santa Rosa?

It is quick and easy to find Chicago to Santa Rosa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santa Rosa that suits you.

Can I find flights from Chicago to Santa Rosa with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Santa Rosa flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Santa Rosa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santa Rosa from Chicago.

I’m not ready to book a flight from Chicago to Santa Rosa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Santa Rosa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santa Rosa and let you know when they change.

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mar. 5/12
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