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Cheap flights from Santa Rosa to Chicago from $190

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Chicago departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Santa Rosa to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:34 am - 7:21 pm
STS
-
ORD
6h 47m
1 stop
Alaska Airlines Logo
7:20 am - 4:39 pm
ORD
-
STS
11h 19m
2 stops
$357Alaska Airlines
Sun, Sep 6 - Wed, Sep 9
Alaska Airlines Logo
10:34 am - 7:21 pm
STS
-
ORD
6h 47m
1 stop
Alaska Airlines Logo
7:20 am - 11:54 pm
ORD
-
STS
18h 34m
1 stop
$363Alaska Airlines
Sun, Sep 6 - Thu, Sep 10
Alaska Airlines Logo
1:40 pm - 7:21 pm
STS
-
ORD
27h 41m
2 stops
Alaska Airlines Logo
7:20 am - 4:39 pm
ORD
-
STS
11h 19m
2 stops
$371Alaska Airlines
Tue, Sep 8 - Tue, Sep 15
Alaska Airlines Logo
10:34 am - 7:21 pm
STS
-
ORD
6h 47m
1 stop
Alaska Airlines Logo
7:20 am - 4:39 pm
ORD
-
STS
11h 19m
2 stops
$375Alaska Airlines
Tue, Sep 29 - Wed, Sep 30
Alaska Airlines Logo
6:13 am - 7:21 pm
STS
-
ORD
11h 08m
1 stop
Alaska Airlines Logo
7:20 am - 4:39 pm
ORD
-
STS
11h 19m
2 stops
$377Alaska Airlines
Mon, Sep 28 - Tue, Sep 29
Alaska Airlines Logo
10:34 am - 7:21 pm
STS
-
ORD
6h 47m
1 stop
Alaska Airlines Logo
3:49 pm - 9:56 pm
ORD
-
STS
8h 07m
1 stop
$379Alaska Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
6:13 am - 7:21 pm
STS
-
ORD
11h 08m
1 stop
Alaska Airlines Logo
3:49 pm - 9:56 pm
ORD
-
STS
8h 07m
1 stop
$381Alaska Airlines
Mon, Sep 28 - Sat, Oct 3
Alaska Airlines Logo
6:13 am - 7:21 pm
STS
-
ORD
11h 08m
1 stop
Alaska Airlines Logo
2:18 pm - 11:54 pm
ORD
-
STS
11h 36m
1 stop
$383Alaska Airlines
Mon, Aug 24 - Thu, Aug 27
Delta Logo
11:25 am - 9:53 pm
STS
-
ORD
8h 28m
1 stop
Delta Logo
9:30 am - 4:08 pm
ORD
-
STS
8h 38m
2 stops
$384Delta
Sat, Oct 10 - Tue, Oct 20
Alaska Airlines Logo
7:03 pm - 5:00 am
STS
-
ORD
7h 57m
1 stop
Alaska Airlines Logo
6:20 am - 5:16 pm
ORD
-
STS
12h 56m
2 stops
$386Alaska Airlines
Sat, Aug 15 - Mon, Aug 17

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

Our best Alaska Airlines deals on Santa Rosa to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Sep 6
STS10:34 amSanta Rosa Sonoma County
6h 47m
1 stop
ORD7:21 pmChicago O'Hare Intl
Sep 9
ORD7:20 amChicago O'Hare Intl
11h 19m
2 stops
STS4:39 pmSanta Rosa Sonoma County
$357
Alaska Airlines
Sep 6
STS10:34 amSanta Rosa Sonoma County
6h 47m
1 stop
ORD7:21 pmChicago O'Hare Intl
Sep 10
ORD7:20 amChicago O'Hare Intl
18h 34m
1 stop
STS11:54 pmSanta Rosa Sonoma County
$363
Alaska Airlines
Sep 8
STS1:40 pmSanta Rosa Sonoma County
27h 41m
2 stops
ORD7:21 pmChicago O'Hare Intl
Sep 15
ORD7:20 amChicago O'Hare Intl
11h 19m
2 stops
STS4:39 pmSanta Rosa Sonoma County
$371

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

Our best Delta deals on Santa Rosa to Chicago O'Hare Intl Airport flight tickets
Delta
Oct 10
STS11:25 amSanta Rosa Sonoma County
8h 28m
1 stop
ORD9:53 pmChicago O'Hare Intl
Oct 20
ORD9:30 amChicago O'Hare Intl
8h 38m
2 stops
STS4:08 pmSanta Rosa Sonoma County
$384
Delta
Oct 12
STS11:25 amSanta Rosa Sonoma County
8h 28m
1 stop
ORD9:53 pmChicago O'Hare Intl
Oct 20
ORD9:30 amChicago O'Hare Intl
8h 38m
2 stops
STS4:08 pmSanta Rosa Sonoma County
$434

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Chicago O'Hare Intl Airport 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 June 25, 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

Price

Cheapest round-trip

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sun 9/6

10:34 am-7:21 pm

1 stop6h 47m

Chicago O'Hare Intl

Wed 9/9

7:20 am-4:39 pm

2 stops11h 19m

$357

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sun 9/6

10:34 am-7:21 pm

1 stop6h 47m

Chicago O'Hare Intl

Thu 9/10

7:20 am-11:54 pm

1 stop18h 34m

$363

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 9/8

1:40 pm-7:21 pm

2 stops27h 41m

Chicago O'Hare Intl

Tue 9/15

7:20 am-4:39 pm

2 stops11h 19m

$371

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 9/29

10:34 am-7:21 pm

1 stop6h 47m

Chicago O'Hare Intl

Wed 9/30

7:20 am-4:39 pm

2 stops11h 19m

$375

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 9/28

6:13 am-7:21 pm

1 stop11h 08m

Chicago O'Hare Intl

Tue 9/29

7:20 am-4:39 pm

2 stops11h 19m

$377
Quickest round-trip

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 9/29

10:34 am-7:21 pm

1 stop6h 47m

Chicago O'Hare Intl

Sat 10/3

3:49 pm-9:56 pm

1 stop8h 07m

$379

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 9/28

6:13 am-7:21 pm

1 stop11h 08m

Chicago O'Hare Intl

Sat 10/3

3:49 pm-9:56 pm

1 stop8h 07m

$381

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 8/24

6:13 am-7:21 pm

1 stop11h 08m

Chicago O'Hare Intl

Thu 8/27

2:18 pm-11:54 pm

1 stop11h 36m

$383

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 10/10

11:25 am-9:53 pm

1 stop8h 28m

Chicago O'Hare Intl

Tue 10/20

9:30 am-4:08 pm

2 stops8h 38m

$384

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 8/15

7:03 pm-5:00 am

1 stop7h 57m

Chicago O'Hare Intl

Mon 8/17

6:20 am-5:16 pm

2 stops12h 56m

$386

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 Santa Rosa to Chicago O'Hare Intl Airport

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 cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $441. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Santa Rosa because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $561.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Santa Rosa in the evening is the least expensive time of day to depart. momondo users have found prices as low as $455 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $495. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

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

Fastest flight time

6h 47m

Direct flights

None
The fastest flight from Santa Rosa to Chicago O'Hare Intl Airport takes 6h 47m
There are no direct flights from Santa Rosa to Chicago O'Hare Intl Airport. There are no popular flight routes from Santa Rosa to Chicago O'Hare Intl Airport.
Search flight deals

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

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

    The straight-line distance from Santa Rosa Sonoma County to Chicago O'Hare Intl is 1838.9 mi. 6h 47m is a normal flight duration for this route.

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

    Prices for flights from Santa Rosa Sonoma County Airport to Chicago O'Hare Intl Airport are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from Santa Rosa to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $276Free CancellationRating
7.9
12,573 reviews
Search Alaska Airlines flights

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Santa Rosa to Chicago for you.

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

Yes. momondo enables you to select and highlight flights to Chicago from Santa Rosa with this policy.

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

momondo provides multiple filters to help you find the best flight to Chicago from Santa Rosa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Chicago from Santa Rosa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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