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Cheap flights from San Diego to San Francisco from $55

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 7/14. 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
9:00 pm - 10:50 pm
SAN
-
STS
1h 50mnonstop
Southwest Logo
6:00 am - 7:40 am
STS
-
SAN
1h 40mnonstop
$109Southwest
Tue, Jul 21 - Thu, Jul 23
Southwest Logo
9:00 pm - 10:50 pm
SAN
-
STS
1h 50mnonstop
Southwest Logo
6:00 am - 7:40 am
STS
-
SAN
1h 40mnonstop
$117Southwest
Tue, Jul 21 - Thu, Jul 23
Southwest Logo
6:40 am - 11:05 am
SAN
-
STS
4h 25m
1 stop
Southwest Logo
6:00 am - 7:40 am
STS
-
SAN
1h 40mnonstop
$119Southwest
Tue, Jul 21 - Thu, Jul 23
Southwest Logo
7:40 pm - 9:25 pm
SAN
-
STS
1h 45mnonstop
Southwest Logo
1:40 pm - 8:05 pm
STS
-
SAN
6h 25m
2 stops
$124Southwest
Wed, Aug 5 - Tue, Aug 11
Southwest Logo
9:00 pm - 10:50 pm
SAN
-
STS
1h 50mnonstop
Southwest Logo
3:55 pm - 10:45 pm
STS
-
SAN
6h 50m
1 stop
$127Southwest
Tue, Jul 21 - Thu, Jul 23
Southwest Logo
6:40 am - 11:05 am
SAN
-
STS
4h 25m
1 stop
Southwest Logo
3:55 pm - 8:10 pm
STS
-
SAN
4h 15m
1 stop
$129Southwest
Tue, Jul 21 - Thu, Jul 23
Southwest Logo
7:05 am - 11:20 am
SAN
-
STS
4h 15m
1 stop
Southwest Logo
1:40 pm - 9:30 pm
STS
-
SAN
7h 50m
2 stops
$134Southwest
Wed, Aug 5 - Tue, Aug 11
Southwest Logo
6:40 am - 11:05 am
SAN
-
STS
4h 25m
1 stop
Southwest Logo
3:55 pm - 10:45 pm
STS
-
SAN
6h 50m
1 stop
$137Southwest
Tue, Jul 21 - Thu, Jul 23
Southwest Logo
6:05 pm - 7:50 pm
SAN
-
STS
1h 45mnonstop
Southwest Logo
4:40 pm - 6:20 pm
STS
-
SAN
1h 40mnonstop
$138Southwest
Sat, Sep 19 - Mon, Sep 21
Alaska Airlines Logo
9:03 pm - 10:58 pm
SAN
-
STS
1h 55mnonstop
Alaska Airlines Logo
6:26 am - 8:15 am
STS
-
SAN
1h 49mnonstop
$145Alaska Airlines
Sat, Jul 4 - Thu, Jul 16

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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
Jul 7
SAN9:03 pmSan Diego
1h 55m
STS10:58 pmSanta Rosa Sonoma County
Jul 14
STS5:56 pmSanta Rosa Sonoma County
1h 39m
SAN7:35 pmSan Diego
$109
Alaska Airlines
Aug 4
SAN9:03 pmSan Diego
1h 55m
STS10:58 pmSanta Rosa Sonoma County
Aug 11
STS6:26 amSanta Rosa Sonoma County
1h 49m
SAN8:15 amSan Diego
$117
Alaska Airlines
Jul 4
SAN9:03 pmSan Diego
1h 55m
STS10:58 pmSanta Rosa Sonoma County
Jul 16
STS6:26 amSanta Rosa Sonoma County
1h 49m
SAN8:15 amSan Diego
$145

Southwest flights from San Diego to Santa Rosa

Our best Southwest deals on San Diego to Santa Rosa flight tickets
Southwest
Jul 21
SAN9:00 pmSan Diego
1h 50m
STS10:50 pmSanta Rosa Sonoma County
Jul 28
STS2:15 pmSanta Rosa Sonoma County
4h 45m
1 stop
SAN7:00 pmSan Diego
$119
Southwest
Aug 5
SAN7:40 pmSan Diego
1h 45m
STS9:25 pmSanta Rosa Sonoma County
Aug 11
STS1:40 pmSanta Rosa Sonoma County
6h 25m
2 stops
SAN8:05 pmSan Diego
$124
Southwest
Jul 21
SAN9:00 pmSan Diego
1h 50m
STS10:50 pmSanta Rosa Sonoma County
Jul 23
STS3:55 pmSanta Rosa Sonoma County
6h 50m
1 stop
SAN10:45 pmSan Diego
$127

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 June 20, 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

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 7/21

9:00 pm-10:50 pm

Nonstop1h 50m

Santa Rosa Sonoma County

Thu 7/23

6:00 am-7:40 am

Nonstop1h 40m

$109

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 7/21

9:00 pm-10:50 pm

Nonstop1h 50m

Santa Rosa Sonoma County

Thu 7/23

6:00 am-7:40 am

Nonstop1h 40m

$117

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 7/21

6:40 am-11:05 am

1 stop4h 25m

Santa Rosa Sonoma County

Thu 7/23

6:00 am-7:40 am

Nonstop1h 40m

$119

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Wed 8/5

7:40 pm-9:25 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Tue 8/11

1:40 pm-8:05 pm

2 stops6h 25m

$124

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 7/21

9:00 pm-10:50 pm

Nonstop1h 50m

Santa Rosa Sonoma County

Thu 7/23

3:55 pm-10:45 pm

1 stop6h 50m

$127

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 7/21

6:40 am-11:05 am

1 stop4h 25m

Santa Rosa Sonoma County

Thu 7/23

3:55 pm-8:10 pm

1 stop4h 15m

$129

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Wed 8/5

7:05 am-11:20 am

1 stop4h 15m

Santa Rosa Sonoma County

Tue 8/11

1:40 pm-9:30 pm

2 stops7h 50m

$134

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Tue 7/21

6:40 am-11:05 am

1 stop4h 25m

Santa Rosa Sonoma County

Thu 7/23

3:55 pm-10:45 pm

1 stop6h 50m

$137
Quickest round-trip

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Sat 9/19

6:05 pm-7:50 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Mon 9/21

4:40 pm-6:20 pm

Nonstop1h 40m

$138

San DiegoSanta Rosa

SAN - STS

SANSTS

San Diego

Sat 7/4

9:03 pm-10:58 pm

Nonstop1h 55m

Santa Rosa Sonoma County

Thu 7/16

6:26 am-8:15 am

Nonstop1h 49m

$145

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $231. 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 $417.

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 afternoon are often more expensive with an average ticket price of $312.

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 $292 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 $220 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 June 2026, prices for San Diego to Santa Rosa flights are approximately 34% 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 $228.
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
Hawaiian AirlinesPriceFrom $137Free CancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $137Free CancellationRating
7.9
12,550 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $155Free CancellationRating
7.9
4,243 reviews
Search Southwest flights
American AirlinesPriceFrom $184Free CancellationRating
7.1
11,724 reviews
Search American Airlines flights

  • Alaska Airlines Flights From San Diego to Santa Rosa

    Alaska Airlines flight deals from San Diego to Santa Rosa start from $137 round-trip. Over the 20 Alaska Airlines flights for this route in a normal week, average airfare is usually $279 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From San Diego to Santa Rosa

    $155 is the best Southwest flight deal from San Diego to Santa Rosa found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $279, however, with flight time and availability significantly affecting the price. Southwest (7.9/10 from 4,243 user reviews) flies into Santa Rosa from San Diego 7 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
Mendocino
Ukiah
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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