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ORD - STS

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

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$299
Typical prices: $433-$603
American Airlines
Wed 12/12Sat 12/15
ORD - STS • 1 stop
Cheapest one-way
$150
Typical prices: $185-$381
American Airlines
Sat 1/20
ORD - STS • 1 stop
When to travel
May
Cheapest • 15% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $428 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 7h 29m (one-way)
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Cheap Flights from Chicago to Santa Rosa (ORD-STS)

 

Cheap flights from Chicago to Santa Rosa with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Sat, Dec 12 - Tue, Dec 15
American Airlines Logo
5:00 am - 12:52 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 52m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:10 am - 5:55 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 45m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Wed, Nov 11 - Tue, Nov 17
Alaska Airlines Logo
7:20 am - 3:04 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 44m1 stop San Diego
Alaska Airlines Logo
8:40 am - 6:59 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 19m1 stop San Diego
$299Alaska Airlines
Wed, Nov 11 - Mon, Nov 16
Alaska Airlines Logo
7:20 am - 3:04 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 44m1 stop San Diego
Alaska Airlines Logo
8:20 pm - 1:17 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
14h 57m1 stop San Diego
$299Alaska Airlines
Tue, Nov 10 - Tue, Nov 17
Alaska Airlines Logo
7:20 am - 1:57 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
8h 37m1 stop San Diego
Alaska Airlines Logo
8:40 am - 6:59 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 19m1 stop San Diego
$299Alaska Airlines
Sat, Nov 7 - Mon, Nov 9
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
4:47 pm - 9:22 amSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
14h 35m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$309Delta
Thu, Jan 7 - Thu, Jan 14
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 - 3:27 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
6h 27m1 stop Salt Lake City
$311Delta
Sat, Jan 16 - Tue, Jan 19
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
12:39 pm - 9:53 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
7h 14m1 stop Salt Lake City
$311Delta
Fri, Oct 30 - Mon, Nov 2
American Airlines Logo
5:00 am - 12:40 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 40m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:18 pm - 11:38 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 20m1 stop Phoenix Sky Harbor Intl
$348American Airlines
Fri, Nov 13 - Mon, Nov 16
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
1:24 pm - 11:38 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 14m1 stop Phoenix Sky Harbor Intl
$367American Airlines
Mon, Mar 1 - Thu, Mar 11
American Airlines Logo
5:00 am - 12:31 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 31m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:10 pm - 11:41 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 31m1 stop Phoenix Sky Harbor Intl
$392American Airlines

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 $433 to $603. 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 10% cheaper than the average day, while Sunday is the most expensive, with prices 26% higher.

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

Low season

December

Cheapest flight

$150
Beat the crowds with an average 78% drop in travelers.
The most popular month to fly with an average 159% 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 29m and 10h 42m 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 $433 to $603, with an average of $483 over the past 12 months. Anything below $433 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 $1,717. 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 $152, which is 56% 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) - 62% of one-stop connections
    • San Diego (SAN) - 24% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 11% 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 29% on flights from Chicago O'Hare Intl Airport to Santa Rosa. Wednesday is the cheapest departure day at $439 round-trip on average, while Sunday is the most expensive at $612, a difference of $173.

    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 29m, compared with 8h 28m via Santa Ana J. Wayne/Orange Cnty (SNA) and 9h 21m 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 $439, about $173 less than Sunday fares (28% 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 May. Fares historically average $410 round-trip in that month - typically $578 less than the most expensive month, which is December (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