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Cheap flights from San Diego to San Francisco from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to San Francisco departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:40 pm - 9:25 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 45mnonstop
Southwest Logo
6:00 am - 7:40 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 40mnonstop
$97Southwest
Tue, Sep 1 - Tue, Sep 8
Southwest Logo
7:45 pm - 9:40 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 55mnonstop
Southwest Logo
7:25 am - 9:10 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 45mnonstop
$97Southwest
Tue, Oct 13 - Sat, Oct 17
Alaska Airlines Logo
7:54 am - 9:48 amSAN  San Diego-STS Santa Rosa Sonoma County
1h 54mnonstop
Alaska Airlines Logo
6:56 pm - 8:44 pmSTS  Santa Rosa Sonoma County-SAN San Diego
1h 48mnonstop
$97Alaska Airlines
Tue, Nov 10 - Sat, Nov 14
Alaska Airlines Logo
8:38 pm - 10:33 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 55mnonstop
Alaska Airlines Logo
6:56 pm - 8:44 pmSTS  Santa Rosa Sonoma County-SAN San Diego
1h 48mnonstop
$97Alaska Airlines
Sat, Nov 7 - Tue, Nov 17
Southwest Logo
6:05 pm - 7:50 pmSAN  San Diego-STS Santa Rosa Sonoma County
1h 45mnonstop
Southwest Logo
6:00 am - 7:40 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 40mnonstop
$97Southwest
Sat, Aug 29 - Sat, Sep 5
Alaska Airlines Logo
7:54 am - 9:48 amSAN  San Diego-STS Santa Rosa Sonoma County
1h 54mnonstop
Alaska Airlines Logo
6:40 am - 8:20 amSTS  Santa Rosa Sonoma County-SAN San Diego
1h 40mnonstop
$97Alaska Airlines
Sat, Nov 7 - Sat, Nov 14
American Airlines Logo
6:25 am - 12:28 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 03m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:58 pm - 6:18 pmSTS  Santa Rosa Sonoma County-SAN San Diego
5h 20m1 stop Phoenix Sky Harbor Intl
$159American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
9:40 am - 3:37 pmSAN  San Diego-STS Santa Rosa Sonoma County
5h 57m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:58 pm - 6:18 pmSTS  Santa Rosa Sonoma County-SAN San Diego
5h 20m1 stop Phoenix Sky Harbor Intl
$159American Airlines
Tue, Sep 1 - Tue, Sep 8
Delta Logo
9:43 am - 4:06 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 23m1 stop Salt Lake City
Delta Logo
4:47 pm - 10:24 pmSTS  Santa Rosa Sonoma County-SAN San Diego
5h 37m1 stop Salt Lake City
$177Delta
Wed, Nov 11 - Sat, Nov 14
Delta Logo
9:43 am - 4:06 pmSAN  San Diego-STS Santa Rosa Sonoma County
6h 23m1 stop Salt Lake City
Delta Logo
11:29 am - 3:55 pmSTS  Santa Rosa Sonoma County-SAN San Diego
4h 26m1 stop Salt Lake City
$177Delta
Tue, Nov 10 - Tue, Nov 17

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Alaska Airlines flights from San Diego to Santa Rosa

Our best Alaska Airlines deals on San Diego to Santa Rosa flight tickets
Alaska Airlines
Sep 8
SAN9:59 pmSan Diego
1h 55m
STS11:54 pmSanta Rosa Sonoma County
Sep 15
STS10:34 amSanta Rosa Sonoma County
1h 46m
SAN12:20 pmSan Diego
$97
Alaska Airlines
Sep 8
SAN9:59 pmSan Diego
1h 55m
STS11:54 pmSanta Rosa Sonoma County
Sep 11
STS6:47 pmSanta Rosa Sonoma County
1h 49m
SAN8:36 pmSan Diego
$107
Alaska Airlines
Aug 27
SAN7:57 amSan Diego
1h 57m
STS9:54 amSanta Rosa Sonoma County
Aug 31
STS6:13 amSanta Rosa Sonoma County
1h 52m
SAN8:05 amSan Diego
$110

Delta flights from San Diego to Santa Rosa

Our best Delta deals on San Diego to Santa Rosa flight tickets
Delta
Nov 5
SAN9:42 amSan Diego
6h 23m
1 stop
STS4:05 pmSanta Rosa Sonoma County
Nov 17
STS11:29 amSanta Rosa Sonoma County
6h 47m
1 stop
SAN6:16 pmSan Diego
$177
Delta
Nov 10
SAN6:15 amSan Diego
9h 51m
2 stops
STS4:06 pmSanta Rosa Sonoma County
Nov 13
STS11:29 amSanta Rosa Sonoma County
6h 47m
1 stop
SAN6:16 pmSan Diego
$182

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from San Diego to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Tue 9/1

7:40 pm-9:25 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Tue 9/8

6:00 am-7:40 am

Nonstop1h 40m

$97

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Tue 10/13

7:45 pm-9:40 pm

Nonstop1h 55m

Santa Rosa Sonoma County

Sat 10/17

7:25 am-9:10 am

Nonstop1h 45m

$97

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Tue 11/10

7:54 am-9:48 am

Nonstop1h 54m

Santa Rosa Sonoma County

Sat 11/14

6:56 pm-8:44 pm

Nonstop1h 48m

$97

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Sat 11/7

8:38 pm-10:33 pm

Nonstop1h 55m

Santa Rosa Sonoma County

Tue 11/17

6:56 pm-8:44 pm

Nonstop1h 48m

$97

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Sat 8/29

6:05 pm-7:50 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Sat 9/5

6:00 am-7:40 am

Nonstop1h 40m

$97

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Sat 11/7

7:54 am-9:48 am

Nonstop1h 54m

Santa Rosa Sonoma County

Sat 11/14

6:40 am-8:20 am

Nonstop1h 40m

$97

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Wed 8/26

6:25 am-12:28 pm

1 stop6h 03m

Santa Rosa Sonoma County

Wed 9/2

12:58 pm-6:18 pm

1 stop5h 20m

$159

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Tue 9/1

9:40 am-3:37 pm

1 stop5h 57m

Santa Rosa Sonoma County

Tue 9/8

12:58 pm-6:18 pm

1 stop5h 20m

$159

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Wed 11/11

9:43 am-4:06 pm

1 stop6h 23m

Santa Rosa Sonoma County

Sat 11/14

4:47 pm-10:24 pm

1 stop5h 37m

$177

San DiegoSanta Rosa

SAN San Diego - STS Santa Rosa Sonoma County

SANSTS

San Diego

Tue 11/10

9:43 am-4:06 pm

1 stop6h 23m

Santa Rosa Sonoma County

Tue 11/17

11:29 am-3:55 pm

1 stop4h 26m

$177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from San Diego to Santa Rosa

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 typical price of a round-trip flight between San Diego and Santa Rosa?

Prices are currently low for flights on this route.

Typical prices usually range from $232 to $442.
The lowest price recently found on this route was $97.

What is the cheapest month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of April, then departing from San Diego during the month January is also very affordable. Most momondo users find prices during this month for around $242.

What is the cheapest day to depart on your flight to Santa Rosa?

Our data shows that Wednesday is the least expensive day to fly to Santa Rosa. Tickets to fly out on this day can be as low as $227. On the other hand, Sunday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $377.

What is the cheapest time of day to depart on your flight to Santa Rosa?

Our data shows that the cheapest San Diego to Santa Rosa flights are usually those with departure times at noon. Our users have found flights to Santa Rosa at noon for as low as $237. Flights in the morning are often more expensive with an average ticket price of $305.

What is the cheapest San Diego to Santa Rosa Sonoma County flight route?

Fly from San Diego to Santa Rosa Sonoma County for the best San Diego - Santa Rosa Sonoma County flight prices

How far in advance should I book a flight from San Diego to Santa Rosa?

You are more likely to see cheaper flights to Santa Rosa from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Santa Rosa for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santa Rosa from San Diego for as low as $151 on momondo.

What cabin class options are available on San Diego to Santa Rosa flights?

There are 4 cabin classes available to choose from on San Diego to Santa Rosa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Santa Rosa flights?

No. A direct flight is the cheapest option for a flight between San Diego to Santa Rosa.

How have San Diego to Santa Rosa flight prices changed over time?

As of August 2026, prices for San Diego to Santa Rosa flights are approximately 51% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Santa Rosa (SAN to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Santa Rosa

Best Price Found

$115

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Santa Rosa

1 airport
The best one-way flight to Santa Rosa from San Diego in the past 72 hours is $115. The best round-trip flight deal from San Diego to Santa Rosa found on momondo in the last 72 hours is $184.
The fastest flight from San Diego to Santa Rosa takes 1h 45m
Direct flights go from San Diego to Santa Rosa every day.
There is 1 airport in Santa Rosa. From San Diego there are direct flights to Santa Rosa Sonoma County (STS).
Search flight deals

Frequently asked questions about flying from San Diego to Santa Rosa

  • How far is San Diego to Santa Rosa Sonoma County by plane?

    San Diego and Santa Rosa Sonoma County are 503.4 mi apart from one another. Flights usually cover this in 1h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Diego Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from San Diego Airport to Santa Rosa Sonoma County Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Santa Rosa Sonoma County Airport?

  • How old do you have to be to fly from San Diego Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Diego Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents you'll need for your trip to Santa Rosa Sonoma County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santa Rosa Sonoma County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Diego to Santa Rosa?

  • What is the most popular airline from San Diego to Santa Rosa?

Best airlines flying from San Diego to Santa Rosa

Compare and see reviews for airlines that fly from San Diego to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $130Free CancellationRating
8.0
4,220 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $137Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $137Free CancellationRating
7.9
12,767 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $184Free CancellationRating
7.1
11,855 reviews
Search American Airlines flights

  • Southwest Flights From San Diego to Santa Rosa

    Southwest flight deals from San Diego to Santa Rosa start from $130 round-trip. Over the 2 Southwest flights for this route in a normal week, average airfare is usually $262 round-trip - but some users have found much cheaper deals with momondo.

  • Alaska Airlines Flights From San Diego to Santa Rosa

    $137 is the best Alaska Airlines flight deal from San Diego to Santa Rosa found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $275, however, with flight time and availability significantly affecting the price. Alaska Airlines (7.9/10 from 12,765 user reviews) flies into Santa Rosa from San Diego 20 times in an average week so prices can vary.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Ukiah
Mendocino
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Santa Rosa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santa Rosa from San Diego.

Can I find flights from San Diego to Santa Rosa with flexible booking policies on momondo?

Flights from San Diego to Santa Rosa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Diego to Santa Rosa?

Once all potential San Diego to Santa Rosa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Diego to Santa Rosa right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Santa Rosa, momondo offers a useful price alert feature which will track prices for flights to Santa Rosa from San Diego and alert you when they change.

An easier way to manage your Santa Rosa trip

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