$59+ Cheap flights from Santa Rosa to San Diego (STS - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SAN
Dec 2 — Dec 91
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Santa Rosa Sonoma County to San Diego are usually found in September or October, booked 53 days in advance, depart on a Saturday or Thursday and return on a Monday
Cheap flight deals from Santa Rosa to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Santa Rosa to San DiegoExplore the most affordable flight options available from Santa Rosa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2026.
Explore the most affordable flight options available from Santa Rosa to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2026.
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
Nonstop1h 45m
Sun 11/228:40 am -
Nonstop1h 55m
Deal found 10/29![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:30 am -
Nonstop1h 40m
Sat 12/199:25 pm -
2 stops13h 35m
Deal found 10/29![Southwest logo]()
$138
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:00 pm -
2 stops7h 05m
Fri 12/116:15 am -
1 stop7h 25m
Deal found 10/30![Southwest logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:13 pm -
Nonstop1h 42m
Fri 12/119:35 pm -
Nonstop1h 54m
Deal found 11/2![Alaska Airlines logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:08 am -
Nonstop2h 02m
Tue 12/19:35 pm -
Nonstop1h 54m
Deal found 10/30![Alaska Airlines logo]()
$152
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:10 pm -
1 stop6h 21m
Mon 12/79:35 pm -
Nonstop1h 54m
Deal found 10/30![Alaska Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 am -
Nonstop1h 45m
Sun 12/66:15 am -
1 stop7h 25m
Deal found 10/30![Southwest logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:10 pm -
1 stop5h 47m
Sat 12/59:17 pm -
Nonstop2h 18m
Deal found 10/31![Alaska Airlines logo]()
$158
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:29 pm -
1 stop5h 09m
Mon 12/79:32 am -
1 stop6h 24m
Deal found 11/1![American Airlines logo]()
$159
Best flights from Santa Rosa to San DiegoDiscover carefully curated flight deals from Santa Rosa to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
Discover carefully curated flight deals from Santa Rosa to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:13 pm -
Nonstop1h 42m
Fri 12/119:35 pm -
Nonstop1h 54m
Deal found 10/28![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 am -
Nonstop1h 45m
Sun 12/68:40 am -
Nonstop1h 55m
Deal found 10/30![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/257:00 am -
2 stops7h 40m
Tue 3/26:15 am -
1 stop5h 40m
Deal found 11/1![Delta logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/52:12 pm -
Nonstop1h 47m
Sun 2/79:09 pm -
Nonstop1h 48m
Deal found 10/28![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/167:00 am -
2 stops8h 20m
Mon 1/184:05 pm -
1 stop5h 20m
Deal found 10/30![Southwest logo]()
$186
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:05 am -
Nonstop1h 40m
Mon 11/238:50 pm -
Nonstop1h 55m
Deal found 10/31![Southwest logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
Nonstop1h 40m
Sun 11/228:04 pm -
1 stop19h 45m
Deal found 10/29![Alaska Airlines logo]()
$195
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:00 pm -
2 stops7h 05m
Mon 12/77:45 pm -
Nonstop1h 45m
Deal found 10/29![Southwest logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/296:45 am -
Nonstop1h 41m
Sun 5/26:56 pm -
Nonstop1h 54m
Deal found 10/28![Alaska Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:00 pm -
2 stops7h 05m
Sun 11/228:50 pm -
Nonstop1h 55m
Deal found 11/2![Southwest logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:19 pm -
Nonstop1h 52m
Mon 11/308:20 am -
1 stop7h 29m
Deal found 11/1![Alaska Airlines logo]()
$232
Last-minute flights from Santa Rosa to San DiegoDiscover last-minute flight deals from Santa Rosa to San Diego. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to San Diego. Data last updated November 2, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:26 pm -
Nonstop1h 46m
Sun 11/229:29 pm -
Nonstop2h 02m
Deal found 10/28![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
Nonstop1h 45m
Sun 11/228:40 am -
Nonstop1h 55m
Deal found 10/29![Southwest logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
Nonstop1h 40m
Mon 11/2310:29 pm -
1 stop17h 20m
Deal found 10/29![Alaska Airlines logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:08 am -
Nonstop2h 02m
Sat 12/128:48 am -
Nonstop1h 55m
Deal found 11/1![Alaska Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:05 am -
Nonstop1h 40m
Fri 11/278:40 am -
Nonstop1h 55m
Deal found 10/29![Southwest logo]()
$181
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:08 am -
Nonstop2h 02m
Mon 11/239:29 pm -
Nonstop2h 02m
Deal found 10/30![Alaska Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:52 pm -
1 stop4h 31m
Wed 12/98:20 am -
Nonstop1h 55m
Deal found 11/1![Alaska Airlines logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:08 am -
Nonstop2h 02m
Wed 12/21:05 pm -
Nonstop2h 00m
Deal found 11/2![Alaska Airlines logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:08 am -
Nonstop2h 02m
Wed 12/28:20 am -
Nonstop1h 55m
Deal found 10/30![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:08 am -
Nonstop2h 02m
Mon 11/308:20 am -
1 stop7h 29m
Deal found 10/29![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:10 am -
Nonstop1h 40m
Fri 11/277:05 am -
2 stops7h 30m
Deal found 10/31![Southwest logo]()
$176
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:08 am -
Nonstop2h 02m
Tue 12/18:25 am -
Nonstop1h 55m
Deal found 10/30![Alaska Airlines logo]()
$177
One-way flights from Santa Rosa to San DiegoSearch for one-way flight options from Santa Rosa to San Diego. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
Search for one-way flight options from Santa Rosa to San Diego. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:08 am -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Alaska Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:15 pm -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$69
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:00 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$79
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:20 am -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$80
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/84:18 pm -
1 stop5h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![American Airlines logo]()
$83
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:47 pm -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$89
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:10 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$96
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/202:25 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:35 am -
2 stops7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$104
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:05 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Southwest logo]()
$109
Find flight deals from Santa Rosa to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Southwest) |
One-way from | $59 (Alaska Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $247 |
Good round-trip deal | $221 or less |
Good one-way deal | $123 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated November 2, 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
Cheapest round-trip
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Fri 1/29
2:12 pm-3:59 pm
Nonstop1h 47m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Quickest round-trip
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Fri 1/8
3:10 pm-4:50 pm
Nonstop1h 40m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Thu 12/17
4:10 pm-5:50 pm
Nonstop1h 40m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Wed 12/16
3:00 pm-10:05 pm
2 stops7h 05m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Fri 12/11
3:10 pm-10:10 pm
2 stops7h 00m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Thu 12/10
3:00 pm-9:50 pm
2 stops6h 50m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$74
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Sat 11/21
4:47 pm-10:33 pm
1 stop5h 46m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Sun 12/20
5:00 pm-6:40 pm
Nonstop1h 40m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Mon 12/7
11:27 am-7:06 pm
2 stops7h 39m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$94
Santa RosaSan Diego
STS Santa Rosa Sonoma County - SAN San Diego
STSSAN
Santa Rosa Sonoma County
Fri 11/20
4:10 pm-5:50 pm
Nonstop1h 40m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$96
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Santa Rosa to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to San Diego in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Santa Rosa-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Santa Rosa to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Santa Rosa with our price prediction graph.
STS-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Santa Rosa to San Diego
How far ahead should I book a flight from Santa Rosa to San Diego?
Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Santa Rosa to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Santa Rosa to San Diego?
Currently, September is the cheapest month in which you can book a flight from Santa Rosa to San Diego (average of $191). Flying from Santa Rosa to San Diego in March is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STS to SAN?
Find hourly flight availability from Santa Rosa to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2026.
It’s optimal to fly from Santa Rosa to San Diego in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Santa Rosa to San Diego?
Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to San Diego. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Santa Rosa to San Diego flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated November 2, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andAmerican Airlines from Santa Rosa to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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Top 3 airlines flying from Santa Rosa to San Diego
Discover the top 3 airlines that operate flights from Santa Rosa to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$225 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$136 | Average$272 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$217 | Average$368 | FlexibilityNo cancel fee | On-time71% |