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Cheap flights from Santa Rosa to San Diego from $79

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 5/16. 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
7:46 pm - 9:29 pm
STS
-
SAN
1h 43mnonstop
Alaska Airlines Logo
5:06 pm - 7:05 pm
SAN
-
STS
1h 59mnonstop
$157Alaska Airlines
Sat, Apr 18 - Tue, Apr 21
Alaska Airlines Logo
7:23 am - 9:10 am
STS
-
SAN
1h 47mnonstop
Alaska Airlines Logo
12:30 pm - 6:06 pm
SAN
-
STS
5h 36m
1 stop
$161Alaska Airlines
Wed, Apr 29 - Wed, Apr 29
Southwest Logo
4:35 pm - 9:00 pm
STS
-
SAN
4h 25m
1 stop
Southwest Logo
6:45 pm - 8:30 pm
SAN
-
STS
1h 45mnonstop
$167Southwest
Tue, Apr 28 - Sat, May 2
Southwest Logo
6:00 am - 7:45 am
STS
-
SAN
1h 45mnonstop
Southwest Logo
8:30 am - 3:55 pm
SAN
-
STS
7h 25m
2 stops
$172Southwest
Tue, Apr 21 - Wed, Apr 22
Alaska Airlines Logo
7:23 am - 9:10 am
STS
-
SAN
1h 47mnonstop
Alaska Airlines Logo
5:17 pm - 7:06 pm
SAN
-
STS
1h 49mnonstop
$176Alaska Airlines
Tue, May 5 - Tue, May 5
Alaska Airlines Logo
10:01 am - 11:39 am
STS
-
SAN
1h 38mnonstop
Alaska Airlines Logo
8:55 am - 10:58 am
SAN
-
STS
2h 03mnonstop
$177Alaska Airlines
Wed, Apr 22 - Sat, Apr 25
Alaska Airlines Logo
7:46 pm - 9:29 pm
STS
-
SAN
1h 43mnonstop
Alaska Airlines Logo
9:14 pm - 11:13 pm
SAN
-
STS
1h 59mnonstop
$180Alaska Airlines
Wed, Apr 15 - Thu, Apr 16
Southwest Logo
4:35 pm - 9:00 pm
STS
-
SAN
4h 25m
1 stop
Southwest Logo
8:30 am - 3:55 pm
SAN
-
STS
7h 25m
2 stops
$182Southwest
Tue, Apr 21 - Wed, Apr 22
Southwest Logo
4:40 pm - 6:20 pm
STS
-
SAN
1h 40mnonstop
Southwest Logo
8:20 pm - 10:10 pm
SAN
-
STS
1h 50mnonstop
$186Southwest
Thu, Apr 16 - Wed, Apr 22
Alaska Airlines Logo
7:00 am - 8:58 am
STS
-
SAN
1h 58mnonstop
Alaska Airlines Logo
8:15 am - 2:16 pm
SAN
-
STS
6h 01m
1 stop
$187Alaska Airlines
Sat, Apr 11 - Wed, Apr 15

Alaska Airlines flights from Santa Rosa to San Diego

Our best Alaska Airlines deals on Santa Rosa to San Diego flight tickets
Alaska Airlines
Apr 18
STS7:46 pmSanta Rosa Sonoma County
1h 43m
SAN9:29 pmSan Diego
Apr 21
SAN5:06 pmSan Diego
1h 59m
STS7:05 pmSanta Rosa Sonoma County
$157
Alaska Airlines
Apr 29
STS7:23 amSanta Rosa Sonoma County
1h 47m
SAN9:10 amSan Diego
Apr 29
SAN12:30 pmSan Diego
5h 36m
1 stop
STS6:06 pmSanta Rosa Sonoma County
$161
Alaska Airlines
May 5
STS7:23 amSanta Rosa Sonoma County
1h 47m
SAN9:10 amSan Diego
May 5
SAN5:17 pmSan Diego
1h 49m
STS7:06 pmSanta Rosa Sonoma County
$176

Southwest flights from Santa Rosa to San Diego

Our best Southwest deals on Santa Rosa to San Diego flight tickets
Southwest
Apr 28
STS4:35 pmSanta Rosa Sonoma County
4h 25m
1 stop
SAN9:00 pmSan Diego
May 2
SAN6:45 pmSan Diego
1h 45m
STS8:30 pmSanta Rosa Sonoma County
$167
Southwest
Apr 21
STS6:00 amSanta Rosa Sonoma County
1h 45m
SAN7:45 amSan Diego
Apr 22
SAN8:30 amSan Diego
7h 25m
2 stops
STS3:55 pmSanta Rosa Sonoma County
$172
Southwest
Apr 21
STS4:35 pmSanta Rosa Sonoma County
4h 25m
1 stop
SAN9:00 pmSan Diego
Apr 22
SAN8:30 amSan Diego
7h 25m
2 stops
STS3:55 pmSanta Rosa Sonoma County
$182

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 March 22, 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

Sat 4/18

7:46 pm-9:29 pm

Nonstop1h 43m

San Diego

Tue 4/21

5:06 pm-7:05 pm

Nonstop1h 59m

$157

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Wed 4/29

7:23 am-9:10 am

Nonstop1h 47m

San Diego

Wed 4/29

12:30 pm-6:06 pm

1 stop5h 36m

$161

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 4/28

4:35 pm-9:00 pm

1 stop4h 25m

San Diego

Sat 5/2

6:45 pm-8:30 pm

Nonstop1h 45m

$167

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 4/21

6:00 am-7:45 am

Nonstop1h 45m

San Diego

Wed 4/22

8:30 am-3:55 pm

2 stops7h 25m

$172

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 5/5

7:23 am-9:10 am

Nonstop1h 47m

San Diego

Tue 5/5

5:17 pm-7:06 pm

Nonstop1h 49m

$176

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Wed 4/22

10:01 am-11:39 am

Nonstop1h 38m

San Diego

Sat 4/25

8:55 am-10:58 am

Nonstop2h 03m

$177

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Wed 4/15

7:46 pm-9:29 pm

Nonstop1h 43m

San Diego

Thu 4/16

9:14 pm-11:13 pm

Nonstop1h 59m

$180

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Tue 4/21

4:35 pm-9:00 pm

1 stop4h 25m

San Diego

Wed 4/22

8:30 am-3:55 pm

2 stops7h 25m

$182
Quickest round-trip

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Thu 4/16

4:40 pm-6:20 pm

Nonstop1h 40m

San Diego

Wed 4/22

8:20 pm-10:10 pm

Nonstop1h 50m

$186

Santa RosaSan Diego

STS - SAN

STSSAN

Santa Rosa Sonoma County

Sat 4/11

7:00 am-8:58 am

Nonstop1h 58m

San Diego

Wed 4/15

8:15 am-2:16 pm

1 stop6h 01m

$187

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 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 Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $167. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $210. 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 $182. Flights in the afternoon are often more expensive with an average ticket price of $207.

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 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 $273 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 $203 on momondo.

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

There are 4 cabin classes available to choose from on Santa Rosa Sonoma County 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 March 2026, prices for Santa Rosa to San Diego flights are approximately 4% 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

$108

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 $108. The best round-trip flight deal from Santa Rosa to San Diego found on momondo in the last 72 hours is $219.
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

  • 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
SouthwestPriceFrom $137Free CancellationRating
8.0
4,325 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $141Free CancellationRating
7.9
12,093 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $157Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $182Free CancellationRating
7.1
11,487 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Santa Rosa to San Diego

    Across 14 Alaska Airlines flights from Santa Rosa to San Diego this week, the average price was $277, with the best Alaska Airlines deals starting from $141 round-trip. 12,093 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

  • Hawaiian Airlines Flights From Santa Rosa to San Diego

    $157 is the best Hawaiian Airlines flight deal from Santa Rosa to San Diego found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $269, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,841 user reviews) flies into San Diego from Santa Rosa 21 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
Imperial Beach
La Mesa
Borrego Springs
Alpine
Santee
Lemon Grove

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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