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Cheap flights from Santa Rosa to San Diego 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 Santa Rosa to San Diego departing on 7/8. 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 Santa Rosa to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
1:05 pm - 6:45 pm
STS
-
SAN
5h 40m
1 stop
Southwest Logo
9:40 am - 11:30 am
SAN
-
STS
1h 50mnonstop
$197Southwest
Fri, Sep 18 - Sun, Sep 20
Southwest Logo
3:55 pm - 10:40 pm
STS
-
SAN
6h 45m
1 stop
Southwest Logo
9:00 pm - 10:50 pm
SAN
-
STS
1h 50mnonstop
$198Southwest
Thu, Jul 2 - Tue, Jul 7
Southwest Logo
1:05 pm - 10:00 pm
STS
-
SAN
8h 55m
1 stop
Southwest Logo
8:50 pm - 10:35 pm
SAN
-
STS
1h 45mnonstop
$199Southwest
Fri, Sep 4 - Mon, Sep 7
Alaska Airlines Logo
6:26 am - 8:15 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
5:15 pm - 5:16 pm
SAN
-
STS
24h 01m
1 stop
$202Alaska Airlines
Mon, Jul 6 - Wed, Jul 22
Southwest Logo
3:55 pm - 10:45 pm
STS
-
SAN
6h 50m
1 stop
Southwest Logo
8:00 am - 4:35 pm
SAN
-
STS
8h 35m
2 stops
$203Southwest
Thu, Jul 30 - Mon, Aug 3
Alaska Airlines Logo
6:26 am - 8:15 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
9:03 pm - 10:58 pm
SAN
-
STS
1h 55mnonstop
$204Alaska Airlines
Fri, Jul 3 - Fri, Jul 10
Southwest Logo
6:00 am - 7:40 am
STS
-
SAN
1h 40mnonstop
Southwest Logo
9:45 pm - 11:30 pm
SAN
-
STS
1h 45mnonstop
$206Southwest
Sat, Jun 27 - Mon, Jun 29
Alaska Airlines Logo
1:06 pm - 7:36 pm
STS
-
SAN
6h 30m
1 stop
Alaska Airlines Logo
10:02 pm - 5:16 pm
SAN
-
STS
19h 14m
1 stop
$207Alaska Airlines
Tue, Jul 21 - Mon, Jul 27
Southwest Logo
2:55 pm - 6:40 pm
STS
-
SAN
3h 45m
1 stop
Southwest Logo
6:35 am - 2:20 pm
SAN
-
STS
7h 45m
2 stops
$208Southwest
Mon, Aug 17 - Fri, Aug 21
Southwest Logo
2:15 pm - 9:35 pm
STS
-
SAN
7h 20m
1 stop
Southwest Logo
7:40 am - 4:35 pm
SAN
-
STS
8h 55m
2 stops
$209Southwest
Tue, Jul 14 - Mon, Jul 20

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Alaska Airlines flights from Santa Rosa to San Diego

Our best Alaska Airlines deals on Santa Rosa to San Diego flight tickets
Alaska Airlines
Jul 6
STS6:26 amSanta Rosa Sonoma County
1h 49m
SAN8:15 amSan Diego
Jul 22
SAN5:15 pmSan Diego
24h 01m
1 stop
STS5:16 pmSanta Rosa Sonoma County
$202
Alaska Airlines
Jun 19
STS5:56 pmSanta Rosa Sonoma County
1h 39m
SAN7:35 pmSan Diego
Jul 21
SAN9:03 pmSan Diego
1h 55m
STS10:58 pmSanta Rosa Sonoma County
$203
Alaska Airlines
Jul 3
STS6:26 amSanta Rosa Sonoma County
1h 49m
SAN8:15 amSan Diego
Jul 10
SAN9:03 pmSan Diego
1h 55m
STS10:58 pmSanta Rosa Sonoma County
$204

Southwest flights from Santa Rosa to San Diego

Our best Southwest deals on Santa Rosa to San Diego flight tickets
Southwest
Sep 18
STS1:05 pmSanta Rosa Sonoma County
5h 40m
1 stop
SAN6:45 pmSan Diego
Sep 20
SAN9:40 amSan Diego
1h 50m
STS11:30 amSanta Rosa Sonoma County
$197
Southwest
Jul 2
STS3:55 pmSanta Rosa Sonoma County
6h 45m
1 stop
SAN10:40 pmSan Diego
Jul 7
SAN9:00 pmSan Diego
1h 50m
STS10:50 pmSanta Rosa Sonoma County
$198
Southwest
Sep 4
STS1:05 pmSanta Rosa Sonoma County
8h 55m
1 stop
SAN10:00 pmSan Diego
Sep 7
SAN8:50 pmSan Diego
1h 45m
STS10:35 pmSanta Rosa Sonoma County
$199

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to San Diego 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 17, 2026.
Use the filters below to find and compare flights from Santa Rosa to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Fri 9/18

1:05 pm-6:45 pm

1 stop5h 40m

San Diego

Sun 9/20

9:40 am-11:30 am

Nonstop1h 50m

$197

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Thu 7/2

3:55 pm-10:40 pm

1 stop6h 45m

San Diego

Tue 7/7

9:00 pm-10:50 pm

Nonstop1h 50m

$198

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Fri 9/4

1:05 pm-10:00 pm

1 stop8h 55m

San Diego

Mon 9/7

8:50 pm-10:35 pm

Nonstop1h 45m

$199

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Mon 7/6

6:26 am-8:15 am

Nonstop1h 49m

San Diego

Wed 7/22

5:15 pm-5:16 pm

1 stop24h 01m

$202

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Thu 7/30

3:55 pm-10:45 pm

1 stop6h 50m

San Diego

Mon 8/3

8:00 am-4:35 pm

2 stops8h 35m

$203

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Fri 7/3

6:26 am-8:15 am

Nonstop1h 49m

San Diego

Fri 7/10

9:03 pm-10:58 pm

Nonstop1h 55m

$204
Quickest round-trip

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Sat 6/27

6:00 am-7:40 am

Nonstop1h 40m

San Diego

Mon 6/29

9:45 pm-11:30 pm

Nonstop1h 45m

$206

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 7/21

1:06 pm-7:36 pm

1 stop6h 30m

San Diego

Mon 7/27

10:02 pm-5:16 pm

1 stop19h 14m

$207

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Mon 8/17

2:55 pm-6:40 pm

1 stop3h 45m

San Diego

Fri 8/21

6:35 am-2:20 pm

2 stops7h 45m

$208

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 7/14

2:15 pm-9:35 pm

1 stop7h 20m

San Diego

Mon 7/20

7:40 am-4:35 pm

2 stops8h 55m

$209

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 Diego from

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

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 Santa Rosa and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Santa Rosa during the month January is also very affordable. Most momondo users find prices during this month for around $247.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Santa Rosa to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $199. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $242. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $211. Flights in the afternoon are often more expensive with an average ticket price of $266.

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

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

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

You are more likely to see cheaper flights to San Diego from Santa Rosa when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $264 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Santa Rosa for as low as $206 on momondo.

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

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

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

As of June 2026, prices for Santa Rosa to San Diego flights are approximately 188% more expensive when compared to flights at the same time last year.

When to book flights from Santa Rosa to San Diego

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

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

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

Best Price Found

$168

Fastest flight time

1h 39m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Santa Rosa in the past 72 hours is $168. The best round-trip flight deal from Santa Rosa to San Diego found on momondo in the last 72 hours is $250.
The fastest flight from Santa Rosa to San Diego takes 1h 39m
Direct flights go from Santa Rosa to San Diego every day.
There is 1 airport in San Diego. From Santa Rosa there are direct flights to San Diego (SAN).
Search flight deals

Frequently asked questions about flying from Santa Rosa to San Diego

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

    Santa Rosa Sonoma County and San Diego are 503.4 mi apart from one another. In terms of flight time, this usually takes a little over 1h 39m.

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

    Prices for flights from Santa Rosa Sonoma County Airport to San Diego Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Santa Rosa to San Diego

Compare and see reviews for airlines that fly from Santa Rosa to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $140Free CancellationRating
7.9
12,524 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $147Free CancellationRating
7.9
4,237 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $157Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $182Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Santa Rosa to San Diego

    Across 20 Alaska Airlines flights from Santa Rosa to San Diego this week, the average price was $267, with the best Alaska Airlines deals starting from $140 round-trip. 12,524 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

  • Southwest Flights From Santa Rosa to San Diego

    $147 is the best Southwest flight deal from Santa Rosa to San Diego found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $247, however, with flight time and availability significantly affecting the price. Southwest (7.9/10 from 4,237 user reviews) flies into San Diego from Santa Rosa 9 times in an average week so prices can vary.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
Poway
La Mesa
San Ysidro
Borrego Springs
Imperial Beach
Lemon Grove
Santee
Alpine

Why use momondo?

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

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 San Diego from Santa Rosa.

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

All flight searches from Santa Rosa to San Diego on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Santa Rosa to San Diego 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 Santa Rosa to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Santa Rosa to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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