SAN - STS

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Everything you should know

Cheapest round-trip
$106
Typical prices: $209-$375
Alaska Airlines
Sun 11/11Sun 11/18
SAN - STS • Non-stop
Cheapest one-way
$59
Typical prices: $134-$277
Alaska Airlines
Mon 10/22
SAN - STS • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines and Southwest. Average duration is 1h 58m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 67% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $184 (round-trip)
Shortest trip • 25h 13m (one-way)
Insights
Insights
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We hope you love your trip to Santa Rosa!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Diego to Santa Rosa (SAN-STS)

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

Recent round-trip flight deals from San Diego to Santa Rosa

Wed, Nov 11 - Wed, Nov 18
Alaska Airlines Logo
1:05 pm - 3:04 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 59mnonstop
Alaska Airlines Logo
8:40 am - 10:20 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 40mnonstop
$106Alaska Airlines
Tue, Nov 10 - Wed, Nov 11
Alaska Airlines Logo
1:05 pm - 3:04 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 59mnonstop
Alaska Airlines Logo
8:40 am - 10:20 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 40mnonstop
$106Alaska Airlines
Mon, Dec 7 - Tue, Dec 8
Southwest Logo
7:45 pm - 9:30 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 45mnonstop
Southwest Logo
6:45 am - 8:30 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 45mnonstop
$117Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
9:20 pm - 11:20 pmSAN  San Diego-STS Santa Rosa Sonoma County
2h 00mnonstop
Southwest Logo
6:00 am - 7:45 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 45mnonstop
$117Southwest
Tue, Oct 27 - Thu, Oct 29
Alaska Airlines Logo
8:01 am - 9:59 amSAN  San Diego-STS Santa Rosa Sonoma County
1h 58mnonstop
Alaska Airlines Logo
6:19 am - 8:10 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 51mnonstop
$117Alaska Airlines
Thu, Oct 29 - Sat, Oct 31
Southwest Logo
8:30 am - 10:25 amSAN  San Diego-STS Santa Rosa Sonoma County
1h 55mnonstop
Southwest Logo
1:45 pm - 3:30 pmSTS  Santa Rosa Sonoma County-SAN San Diego
1h 45mnonstop
$117Southwest
Thu, Dec 10 - Sun, Dec 13
Delta Logo
9:53 am - 4:05 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 12m1 stop Salt Lake City
Delta Logo
11:27 am - 6:05 pmSTS  Santa Rosa Sonoma County-SAN San Diego
6h 38m1 stop Salt Lake City
$187Delta
Sat, Oct 31 - Sun, Nov 1
Delta Logo
9:42 am - 4:05 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 23m1 stop Salt Lake City
Delta Logo
4:49 pm - 10:40 pmSTS  Santa Rosa Sonoma County-SAN San Diego
5h 51m1 stop Salt Lake City
$187Delta
Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
9:26 am - 3:56 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 30m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
4:29 pm - 9:40 pmSTS  Santa Rosa Sonoma County-SAN San Diego
5h 11m1 stop Phoenix Sky Harbor Intl
$213American Airlines
Sat, Nov 21 - Thu, Nov 26
American Airlines Logo
9:30 am - 3:55 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 25m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:20 am - 12:15 pmSTS  Santa Rosa Sonoma County-SAN San Diego
4h 55m1 stop Phoenix Sky Harbor Intl
$218American Airlines
Booking Insights

Price, demand and travel trends for San Diego 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 San Diego to Santa Rosa?

Round-trip flights from San Diego to Santa Rosa typically range from $209 to $375. The lowest price found in the past 5 days was $106, on Alaska Airlines.

What's the cheapest day of the week to fly from San Diego 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 San Diego to Santa Rosa. It’s 18% cheaper than the average day, while Sunday is the most expensive, with prices 36% higher.

What’s the cheapest month to fly from San Diego to Santa Rosa?

•August is the cheapest month to fly from San Diego to Santa Rosa at $231 round-trip.
•November ($357) and September ($357) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 54% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Diego to Santa Rosa the cheapest?

Flights from San Diego to Santa Rosa are cheapest 15 weeks before departure. Booking in this window typically costs about 67% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Diego to Santa Rosa

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for San Diego to Santa Rosa flights

Low season

February

Cheapest flight

$59
Beat the crowds with an average 79% drop in travelers.
One-way flight from San Diego to Santa Rosa

When to book flights from San Diego to Santa Rosa

Are your dates flexible? Find out the best times to travel from San Diego 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 San Diego to Santa Rosa flight questions, answered

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

  • What are the earliest and latest flights from San Diego to Santa Rosa?

    These are the earliest and latest flight times available from San Diego to Santa Rosa:

    • Earliest: departs at 7:54 am and lands at 9:52 am
    • Latest: departs at 10:20 pm and lands at 12:18 am.

    The flight takes about 1h 58m.

  • What cabin classes can I book on flights from San Diego to Santa Rosa?

    Three cabin classes are available on flights from San Diego to Santa Rosa:

    • Economy Class
    • Business Class
    • First Class

  • How long is a flight from San Diego to Santa Rosa?

    A nonstop flight from San Diego to Santa Rosa takes 1h 58m, covering 508 miles.

  • Do I need a passport to fly from San Diego 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 San Diego to Santa Rosa flight?

    Round-trip flights from San Diego to Santa Rosa range from $209 to $375, with an average of $276 over the past 12 months. Anything below $209 counts as a good deal.

  • How expensive are last-minute San Diego to Santa Rosa flights?

    Last-minute fares on this route (booked within two weeks of departure) run 85% above the $276 route average. Book 15 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Diego to Santa Rosa?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $184 round-trip via Phoenix Sky Harbor Intl (PHX), compared to $277 for nonstop.

  • What is the standard checked-bag allowance on flights from San Diego to Santa Rosa?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Diego to Santa Rosa?

    The Embraer 170 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Airbus A320neo variants.

  • How are flight departures from San Diego to Santa Rosa spread across the day?

    Morning is the busiest departure period on San Diego to Santa Rosa flights, with 25% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 25%.

  • Which airlines offer Wi-Fi on San Diego to Santa Rosa flights?

    Alaska Airlines is the only airline on the San Diego to Santa Rosa route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from San Diego to Santa Rosa looking right now?

    One-way fares from San Diego to Santa Rosa are currently lower than usual. Average one-way flight prices are about $69, which is 65% 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 San Diego to Santa Rosa?

    Flights from San Diego to Santa Rosa usually depart from San Diego (SAN) and arrive at Santa Rosa Sonoma County (STS).

  • Which airports do connecting flights from San Diego to Santa Rosa pass through?

    Connecting flights from San Diego to Santa Rosa most commonly pass through:

    • Phoenix Sky Harbor Intl (PHX) - 80% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 20% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to Santa Rosa?

    Yes. Flexible dates can save you up to 40% on flights from San Diego to Santa Rosa. Wednesday is the cheapest departure day at $227 round-trip on average, while Sunday is the most expensive at $377, a difference of $150.

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

  • What airlines fly from San Diego to Santa Rosa?

    2 airlines operate flights between San Diego and Santa Rosa. The airlines offering nonstop flights on this route include:

    • Alaska Airlines
    • Southwest

  • How much time can I save by choosing a different layover airport from San Diego to Santa Rosa?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 5h 47m, compared with 25h 13m via Las Vegas Harry Reid Intl (LAS).

  • Which airlines offer extra legroom and free seat selection on San Diego to Santa Rosa flights?

    Among airlines operating San Diego to Santa Rosa flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on San Diego to Santa Rosa flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in First Class
    • Southwest: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Are the amenities provided on flights from San Diego to Santa Rosa friendly to persons with reduced mobility?

    Yes. It would help if you didn’t get worried when planning on traveling by flight from San Diego to Santa Rosa with a person with reduced mobility. SAN Airport offers cab-to-aircraft wheelchair services to persons with reduced mobility on request. The dedicated airport workers provide these services. They have been deployed across the airport by all airlines serving flights from San Diego to Santa Rosa, like United Airlines and Alaska Airlines, to provide exceptional services when requested.

  • How do I connect to the city center from STS Airport?

    A train or bus is the most efficient and cheapest way to connect to the city center from STS Airport. Travelers from STS Airport can take METRO bus route 102 at the airport’s terminal C to downtown or use the Sonoma County Transit, SMART, or MTA train services. Riding a train from San Diego to Santa Rosa will cost around $4.

  • Do we have onsite car rentals at STS Airport?

    Travelers from STS Airport can rent a car from any car rental agency closest to the airport. Some of the on-site agencies with a wide range of cars that suit different travel needs of travelers are Budget Car Rental and Enterprise Rent-A-Car. Both are located along Airport Blvd.

  • Which other cities can I visit to from STS Airport?

    Besides Santa Rosa, STS Airport serves several nearby cities you can conveniently visit. Some of these cities are Roseland, Rohnert Park, and Petaluma.

Your guide to booking San Diego 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 $227, about $150 less than Sunday fares (40% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 67% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to Santa Rosa trip for August. Fares historically average $231 round-trip in that month - typically $126 less than the most expensive month, which is September (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Phoenix Sky Harbor Intl Airport (PHX) can be cheaper than flying direct. The cheapest layover option averages $184 round-trip on this route - about $94 less than direct flights (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
  • Travelers planning on flying from San Diego to Santa Rosa (STS) on the earliest flight that departs San Diego International Airport (SAN) should consider staying in a nearby hotel, which will ensure that you reach the airport in good time before your scheduled departure time. One airport that is located closest to SAN Airport is the Holiday Inn Express San Diego Airport-Old Town, an IHG Hotel. This hotel is located along San Diego Avenue and provides free Wi-Fi & an airport shuttle.
  • Travelers who plan to arrive at SAN Airport with their cars shouldn’t worry about where to park before taking a flight from San Diego to Santa Rosa. Several car parking agencies near the airport offer quality and affordable services. Some parking agencies that provide short-term and long-term parking spaces include Aladdin Airport Parking and WallyPark Airport Parking - Garage (SAN). These agencies are located along Kettner Blvd.
  • Shopping enthusiasts who plan to shop before taking their flight from San Diego to Santa Rosa have their needs covered at SAN Airport. The airport neighbors several high-end shopping malls that guarantee travelers amazing shopping experiences. One closest restaurant you should consider visiting from SAN Airport is the Rosecrans Shopping Center. This shopping center is located along Rosecrans Street, a few miles from the airport.
  • Are you planning to take a meal at SAN Airport before boarding a plane from San Diego to Santa Rosa? Worry no more. Several on-site restaurants provide different types of meals to travelers at SAN Airport. One restaurant with a wide variety of meals is the PGA TOUR Grill, located along North Harbor Dr.
  • Pet lovers shouldn't worry about the safety of their pets when planning on traveling by flight from San Diego to Santa Rosa. SAN Airport's pet-friendly policy permits travelers to bring in their pets. However, you won't be allowed to unleash your pet while in the airport terminals or air unless when utilizing pet relief areas.

Prefer to fly direct from San Diego to Santa Rosa?

 
Find which airlines fly direct from San Diego Airport to Santa Rosa Sonoma County Airport, which days they fly and book direct flights.

Direct departures

San Diego to Santa Rosa Sonoma County

Monday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Tuesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Wednesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Thursday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Friday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Saturday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Sunday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

See more direct flights

Direct returns

Santa Rosa Sonoma County to San Diego

Monday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Tuesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Wednesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Thursday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Friday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Saturday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Sunday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

See more direct flights

More options for your flight from San Diego to Santa Rosa

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