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Alaska Airlines flights from Santa Rosa to Chicago O'Hare Intl Airport
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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
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Thu 11/19
7:20 am-4:10 pm
1 stop6h 50m
Chicago O'Hare Intl
Mon 11/23
5:00 am-12:19 pm
1 stop9h 19m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Wed 12/2
6:40 am-5:49 pm
1 stop9h 09m
Chicago O'Hare Intl
Wed 12/9
9:00 am-5:49 pm
1 stop10h 49m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Tue 1/26
12:39 pm-9:53 pm
1 stop7h 14m
Chicago O'Hare Intl
Sat 1/30
7:30 am-11:54 am
1 stop6h 24m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sat 1/23
12:39 pm-9:53 pm
1 stop7h 14m
Chicago O'Hare Intl
Sat 1/30
7:30 am-11:54 am
1 stop6h 24m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Wed 12/2
6:40 am-5:49 pm
1 stop9h 09m
Chicago O'Hare Intl
Sat 12/5
9:00 am-5:56 pm
1 stop10h 56m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Sat 1/23
12:39 pm-9:53 pm
1 stop7h 14m
Chicago O'Hare Intl
Wed 2/3
7:30 am-11:54 am
1 stop6h 24m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Wed 1/27
12:39 pm-9:53 pm
1 stop7h 14m
Chicago O'Hare Intl
Thu 2/4
7:30 am-11:54 am
1 stop6h 24m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Mon 1/25
12:39 pm-9:53 pm
1 stop7h 14m
Chicago O'Hare Intl
Sat 1/30
7:30 am-11:54 am
1 stop6h 24m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Thu 1/28
7:00 am-5:57 pm
1 stop8h 57m
Chicago O'Hare Intl
Wed 2/3
7:30 am-11:54 am
1 stop6h 24m
Santa RosaChicago
STS Santa Rosa Sonoma County - ORD Chicago O'Hare Intl
STSORD
Santa Rosa Sonoma County
Tue 1/26
12:39 pm-9:53 pm
1 stop7h 14m
Chicago O'Hare Intl
Wed 2/3
7:30 am-11:54 am
1 stop6h 24m
See travel insights to Chicago from
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 $458. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $598.
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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $475 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $530. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest airline that flies from Santa Rosa Sonoma County to Chicago O'Hare Intl?
Delta and Alaska Airlines are the most popular carriers operating from Santa Rosa Sonoma County to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Santa Rosa according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 7 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Santa Rosa to Chicago O'Hare Intl Airport
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
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. 7h 14m 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?
As of October 2026, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Santa Rosa to Chicago O'Hare Intl Airport is Alaska Airlines, representing 100% of all bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $298 | Free Cancellation | Rating 7.9 13,046 reviews |
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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.