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: $453-$658
Alaska Airlines
Sun 9/23Sun 9/30
ORD - STS • 1 stop
Cheapest one-way
$150
Typical prices: $185-$381
Alaska Airlines
Sat 10/20
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 $455 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 6h 56m (one-way)
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Insights
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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

Wed, Sep 23 - Wed, Sep 30
Alaska Airlines Logo
2:18 pm - 11:54 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
11h 36m1 stop San Diego
Alaska Airlines Logo
6:16 am - 7:21 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
11h 05m1 stop San Diego
$299Alaska Airlines
Mon, Sep 28 - Wed, Sep 30
Alaska Airlines Logo
8:17 pm - 9:54 amORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
15h 37m1 stop San Diego
Alaska Airlines Logo
6:16 am - 7:21 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
11h 05m1 stop San Diego
$299Alaska Airlines
Sat, Sep 26 - Sat, Oct 3
American Airlines Logo
6:59 am - 12:38 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
7h 39m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:08 pm - 10:31 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
7h 23m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Sat, Sep 26 - Sat, Oct 3
American Airlines Logo
5:00 am - 12:38 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 38m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:08 pm - 10:31 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
7h 23m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Sat, Sep 26 - Tue, Oct 6
American Airlines Logo
5:00 am - 12:38 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
9h 38m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:10 pm - 11:30 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
8h 20m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Wed, Sep 30 - Tue, Oct 6
Alaska Airlines Logo
2:18 pm - 11:54 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
11h 36m1 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, Sep 30 - Thu, Oct 1
Alaska Airlines Logo
2:18 pm - 11:54 pmORD  Chicago O'Hare Intl-STS Santa Rosa Sonoma County
11h 36m1 stop San Diego
Alaska Airlines Logo
6:16 am - 7:21 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
11h 05m1 stop San Diego
$299Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
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
Tue, Dec 15 - Wed, Jan 6
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
12:39 pm - 9:53 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
7h 14m1 stop Salt Lake City
$304Delta
Thu, Dec 10 - Tue, Jan 5
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
12:39 pm - 9:53 pmSTS  Santa Rosa Sonoma County-ORD Chicago O'Hare Intl
7h 14m1 stop Salt Lake City
$304Delta
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 from Chicago O'Hare Intl Airport to Santa Rosa 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 start at $299. Prices are below average for this route right now, with typical round-trip fares ranging from $453 to $658. The lowest price found in the past 5 days was $299 on Alaska Airlines.

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

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

What is 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
Best time to beat the crowds but there is an average 81% increase in price.
Most popular time to fly with an average 11% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 56% of one-stop connections
    • San Diego (SAN) - 28% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 16% of one-stop connections

    Phoenix Sky Harbor Intl (PHX) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 55% on the Chicago O'Hare Intl Airport to Santa Rosa route. 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 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 6h 56m and 11h 36m 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.

  • 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 $2,051. That means the highest observed fare was about 7x 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 $167, which is 51% below the typical average for this route.

  • 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 6h 56m, compared with 7h 54m via Seattle/Tacoma Intl (SEA) and 11h 36m via San Diego (SAN).

  • 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.

  • 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

  • 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.

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 can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $433 - about $515 less than Sunday (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

Everything you need to know for your flight from Chicago to Santa Rosa

Information on your arrival and departure airports

Chicago (ORD)
Santa Rosa (STS)