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Cheap flights from Santa Rosa to San Diego from $94

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 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:01 am - 8:50 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
12:12 pm - 2:13 pm
SAN
-
STS
2h 01mnonstop
$181Alaska Airlines
Tue, May 26 - Wed, May 27
Alaska Airlines Logo
7:01 am - 8:50 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
12:12 pm - 2:13 pm
SAN
-
STS
2h 01mnonstop
$182Alaska Airlines
Tue, Jun 2 - Tue, Jun 2
Alaska Airlines Logo
7:01 am - 8:50 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
9:54 pm - 11:50 pm
SAN
-
STS
1h 56mnonstop
$186Alaska Airlines
Tue, May 26 - Wed, May 27
Southwest Logo
6:00 am - 7:45 am
STS
-
SAN
1h 45mnonstop
Southwest Logo
8:20 pm - 10:10 pm
SAN
-
STS
1h 50mnonstop
$187Southwest
Tue, May 26 - Wed, May 27
Southwest Logo
4:35 pm - 10:40 pm
STS
-
SAN
6h 05m
1 stop
Southwest Logo
8:20 pm - 10:10 pm
SAN
-
STS
1h 50mnonstop
$197Southwest
Tue, May 26 - Wed, May 27
Alaska Airlines Logo
7:06 am - 8:55 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
9:03 pm - 10:58 pm
SAN
-
STS
1h 55mnonstop
$199Alaska Airlines
Sat, Jun 6 - Wed, Jun 10
Alaska Airlines Logo
7:06 am - 8:55 am
STS
-
SAN
1h 49mnonstop
Alaska Airlines Logo
9:54 pm - 11:50 pm
SAN
-
STS
1h 56mnonstop
$202Alaska Airlines
Sat, Jun 6 - Mon, Jun 8
American Airlines Logo
4:20 pm - 9:34 pm
STS
-
SAN
5h 14m
1 stop
American Airlines Logo
6:25 am - 12:33 pm
SAN
-
STS
6h 08m
1 stop
$207American Airlines
Tue, May 26 - Wed, May 27
Alaska Airlines Logo
12:05 pm - 6:31 pm
STS
-
SAN
6h 26m
1 stop
Alaska Airlines Logo
10:00 pm - 11:56 pm
SAN
-
STS
1h 56mnonstop
$208Alaska Airlines
Tue, Jun 2 - Tue, Jun 2
Southwest Logo
4:35 pm - 10:40 pm
STS
-
SAN
6h 05m
1 stop
Southwest Logo
6:45 pm - 8:30 pm
SAN
-
STS
1h 45mnonstop
$209Southwest
Tue, May 26 - Sat, May 30

Alaska Airlines flights from Santa Rosa to San Diego

Our best Alaska Airlines deals on Santa Rosa to San Diego flight tickets
Alaska Airlines
May 26
STS7:01 amSanta Rosa Sonoma County
1h 49m
SAN8:50 amSan Diego
May 27
SAN12:12 pmSan Diego
2h 01m
STS2:13 pmSanta Rosa Sonoma County
$181
Alaska Airlines
Jun 2
STS7:01 amSanta Rosa Sonoma County
1h 49m
SAN8:50 amSan Diego
Jun 2
SAN12:12 pmSan Diego
2h 01m
STS2:13 pmSanta Rosa Sonoma County
$182
Alaska Airlines
May 26
STS7:01 amSanta Rosa Sonoma County
1h 49m
SAN8:50 amSan Diego
May 27
SAN9:54 pmSan Diego
1h 56m
STS11:50 pmSanta Rosa Sonoma County
$186

Southwest flights from Santa Rosa to San Diego

Our best Southwest deals on Santa Rosa to San Diego flight tickets
Southwest
Jun 2
STS6:00 amSanta Rosa Sonoma County
1h 45m
SAN7:45 amSan Diego
Jun 6
SAN6:40 amSan Diego
6h 50m
1 stop
STS1:30 pmSanta Rosa Sonoma County
$197
Southwest
Jun 6
STS12:15 pmSanta Rosa Sonoma County
7h 55m
2 stops
SAN8:10 pmSan Diego
Jun 9
SAN9:00 pmSan Diego
1h 45m
STS10:45 pmSanta Rosa Sonoma County
$202
Southwest
May 26
STS4:35 pmSanta Rosa Sonoma County
6h 05m
1 stop
SAN10:40 pmSan Diego
May 30
SAN6:45 pmSan Diego
1h 45m
STS8:30 pmSanta Rosa Sonoma County
$209

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 May 7, 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

Tue 5/26

7:01 am-8:50 am

Nonstop1h 49m

San Diego

Wed 5/27

12:12 pm-2:13 pm

Nonstop2h 01m

$181

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 6/2

7:01 am-8:50 am

Nonstop1h 49m

San Diego

Tue 6/2

12:12 pm-2:13 pm

Nonstop2h 01m

$182

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 5/26

7:01 am-8:50 am

Nonstop1h 49m

San Diego

Wed 5/27

9:54 pm-11:50 pm

Nonstop1h 56m

$186
Quickest round-trip

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 5/26

6:00 am-7:45 am

Nonstop1h 45m

San Diego

Wed 5/27

8:20 pm-10:10 pm

Nonstop1h 50m

$187

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 5/26

4:35 pm-10:40 pm

1 stop6h 05m

San Diego

Wed 5/27

8:20 pm-10:10 pm

Nonstop1h 50m

$197

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Sat 6/6

7:06 am-8:55 am

Nonstop1h 49m

San Diego

Wed 6/10

9:03 pm-10:58 pm

Nonstop1h 55m

$199

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Sat 6/6

7:06 am-8:55 am

Nonstop1h 49m

San Diego

Mon 6/8

9:54 pm-11:50 pm

Nonstop1h 56m

$202

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 5/26

4:20 pm-9:34 pm

1 stop5h 14m

San Diego

Wed 5/27

6:25 am-12:33 pm

1 stop6h 08m

$207

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 6/2

12:05 pm-6:31 pm

1 stop6h 26m

San Diego

Tue 6/2

10:00 pm-11:56 pm

Nonstop1h 56m

$208

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 5/26

4:35 pm-10:40 pm

1 stop6h 05m

San Diego

Sat 5/30

6:45 pm-8:30 pm

Nonstop1h 45m

$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 $189. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $227. 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 morning when flights can be purchased for as low as $198. Flights in the afternoon are often more expensive with an average ticket price of $243.

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 $267 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 $204 on momondo.

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

As of May 2026, prices for Santa Rosa to San Diego flights are approximately 36% cheaper 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

$170

Fastest flight time

1h 35m

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 $170. The best round-trip flight deal from Santa Rosa to San Diego found on momondo in the last 72 hours is $257.
The fastest flight from Santa Rosa to San Diego takes 1h 35m
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 35m.

  • 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 $139Free CancellationRating
7.9
12,335 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $147Free CancellationRating
7.9
4,303 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $157Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $177Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Santa Rosa to San Diego

    Across 18 Alaska Airlines flights from Santa Rosa to San Diego this week, the average price was $273, with the best Alaska Airlines deals starting from $139 round-trip. 12,335 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 $240, however, with flight time and availability significantly affecting the price. Southwest (7.9/10 from 4,303 user reviews) flies into San Diego from Santa Rosa 8 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
Coronado
Chula Vista
El Cajon
Julian
National City
Poway
San Ysidro
La Mesa
Imperial Beach
Borrego Springs
Lemon Grove
Alpine
Santee

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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