ORD - STS

$150 Find Cheap Flights from Chicago to Santa Rosa - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$299
Typical prices: $453-$658
American Airlines
Fri 11/2Sat 11/3
ORD - STS • 1 stop
Cheapest one-way
$150
Typical prices: $185-$381
American Airlines
Sat 12/1
ORD - STS • 1 stop
When to travel
June
Cheapest • 15% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Diego (SAN)
Cheapest • Avg $451 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 7h 21m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Santa Rosa!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Santa Rosa (ORD-STS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Santa Rosa

Mon, Nov 2 - Tue, Nov 3
American Airlines Logo
5:00 am - 12:48 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 48m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:25 am - 5:55 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 30m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Mon, Nov 16 - Wed, Dec 2
Alaska Airlines Logo
2:15 pm - 10:38 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
10h 23m1 stop San Diego
Alaska Airlines Logo
6:40 am - 5:49 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
9h 09m1 stop Seattle/Tacoma Intl
$299Alaska Airlines
Mon, Jan 25 - Thu, Feb 4
Delta Logo
7:30 am - 11:54 amORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
6h 24m1 stop Salt Lake City
Delta Logo
7:00 am - 5:57 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 57m1 stop Salt Lake City
$299Delta
Thu, Oct 22 - Tue, Oct 27
Alaska Airlines Logo
3:49 pm - 9:56 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
8h 07m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:50 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
7h 50m1 stop Seattle/Tacoma Intl
$299Alaska Airlines
Sat, Oct 17 - Sat, Oct 24
Alaska Airlines Logo
2:21 pm - 7:50 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
7h 29m1 stop San Diego
Alaska Airlines Logo
6:19 am - 6:53 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
10h 34m1 stop San Diego
$299Alaska Airlines
Wed, Nov 18 - Wed, Dec 2
Delta Logo
9:59 am - 4:06 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
8h 07m2 stops Minneapolis St Paul Salt Lake City
Delta Logo
11:27 am - 9:56 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 29m1 stop Salt Lake City
$304Delta
Tue, Oct 27 - Thu, Oct 29
Delta Logo
9:59 am - 4:05 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
8h 06m2 stops Minneapolis St Paul Salt Lake City
Delta Logo
11:21 am - 10:05 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 44m1 stop Salt Lake City
$304Delta
Thu, Dec 24 - Tue, Dec 29
American Airlines Logo
6:59 am - 12:49 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
7h 50m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
4:28 pm - 12:59 amSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
6h 31m1 stop Phoenix Sky Harbor Intl
$364American Airlines
Mon, Nov 9 - Wed, Nov 11
American Airlines Logo
5:00 am - 12:54 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 54m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:25 am - 4:09 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
6h 44m1 stop Phoenix Sky Harbor Intl
$419American Airlines
Sat, Nov 14 - Thu, Nov 19
American Airlines Logo
6:59 am - 7:31 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
14h 32m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
7:20 am - 4:10 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
6h 50m1 stop Phoenix Sky Harbor Intl
$424American Airlines
Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Santa Rosa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Chicago O'Hare Intl Airport to Santa Rosa?

Round-trip flights from Chicago O'Hare Intl Airport to Santa Rosa typically range from $453 to $658. The lowest price found in the past 5 days was $299, on American Airlines.

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Santa Rosa?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Santa Rosa. It’s 21% cheaper than the average day, while Sunday is the most expensive, with prices 73% higher.

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Santa Rosa?

•June is the cheapest month to fly from Chicago O'Hare Intl Airport to Santa Rosa at $465 round-trip.
•August ($1,290) and December ($988) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 177% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Chicago O'Hare Intl Airport to Santa Rosa flights

Low season

December

Cheapest flight

$150
Beat the crowds with an average 79% drop in travelers.
The most popular month to fly with an average 148% increase in travelers.
One-way flight from Chicago O'Hare Intl Airport to Santa Rosa

When to book flights from Chicago to Santa Rosa

Are your dates flexible? Find out the best times to travel from Chicago to Santa Rosa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago O'Hare Intl Airport to Santa Rosa flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Santa Rosa?

    Only Economy Class is available on flights from Chicago O'Hare Intl Airport to Santa Rosa.

  • How long is a flight from Chicago O'Hare Intl Airport to Santa Rosa?

    There are currently no nonstop flights available from Chicago O'Hare Intl Airport to Santa Rosa. Flights with 1 layover take between 7h 21m and 10h 40m in total, depending on the connection.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport to Santa Rosa?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Chicago O'Hare Intl Airport to Santa Rosa flight?

    Round-trip flights from Chicago O'Hare Intl Airport to Santa Rosa range from $453 to $658, with an average of $547 over the past 12 months. Anything below $453 counts as a good deal.

  • Have flight prices from Chicago O'Hare Intl Airport to Santa Rosa changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $299 to $1,754. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Chicago O'Hare Intl Airport to Santa Rosa looking right now?

    One-way fares from Chicago O'Hare Intl Airport to Santa Rosa are currently lower than usual. Average one-way flight prices are about $173, which is 49% below the typical average for this route.

  • What car rental options are available at Santa Rosa Sonoma County Airport (STS)?

    Santa Rosa Sonoma County Airport (STS) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Ace
    • Dollar
    • Enterprise Rent-A-Car
    • Hertz
    • Budget

  • Which airports can I use when flying from Chicago O'Hare Intl Airport to Santa Rosa?

    Flights from Chicago O'Hare Intl Airport to Santa Rosa usually depart from Chicago O'Hare Intl (ORD) and arrive at Santa Rosa Sonoma County (STS).

  • Which airports do connecting flights from Chicago O'Hare Intl Airport to Santa Rosa pass through?

    One-stop flights from Chicago O'Hare Intl Airport to Santa Rosa most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 55% of one-stop connections
    • San Diego (SAN) - 24% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 19% of one-stop connections
    • Santa Ana J. Wayne/Orange Cnty (SNA) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Santa Rosa?

    Yes. Flexible dates can save you up to 55% on flights from Chicago O'Hare Intl Airport to Santa Rosa. Wednesday is the cheapest departure day at $433 round-trip on average, while Sunday is the most expensive at $948, a difference of $515.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Chicago O'Hare Intl Airport to Santa Rosa?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 7h 21m, compared with 8h 28m via Santa Ana J. Wayne/Orange Cnty (SNA) and 8h 48m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Chicago O'Hare Intl Airport and Santa Rosa?

    Santa Rosa is 2 hours behind Chicago O'Hare Intl Airport (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Chicago O'Hare Intl Airport to Santa Rosa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $433, about $515 less than Sunday fares (54% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chicago O'Hare Intl Airport to Santa Rosa trip for June. Fares historically average $465 round-trip in that month - typically $825 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Santa Rosa Sonoma County Airport.

    • Hilton Garden Inn Sonoma County Airport

More options for your flight from Chicago to Santa Rosa

Complete your trip to Santa Rosa with a hotel stay or car rental

Car rentals in Santa Rosa
Hotels in Santa Rosa
Vacations in Santa Rosa