$55+ Cheap flights from Santa Rosa to San Diego (STS - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SAN
Jul 21 — Jul 281
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 January, booked 47 days in advance, depart on a Saturday or Thursday and return on a Wednesday
Cheap flight deals from Santa Rosa to San Diego
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Best
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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 June 21, 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 June 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 9/136:13 am
STS
- SAN
Nonstop1h 52m
Alaska Airlines
Tue 9/1510:36 am
SAN
- STS
1 stop6h 03m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/11:06 pm
STS
- SAN
1 stop6h 30m
Alaska Airlines
Tue 7/79:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 6/19. 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 8/16:00 am
STS
- SAN
Nonstop1h 40m
Southwest
Tue 8/47:40 pm
SAN
- STS
Nonstop1h 45m
Southwest
Deal found 6/19![Southwest logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 9/196:13 am
STS
- SAN
Nonstop1h 52m
Alaska Airlines
Mon 9/213:16 pm
SAN
- STS
1 stop25h 23m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/26:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Tue 7/79:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 6/18. 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 7/72:15 pm
STS
- SAN
2 stops8h 05m
Southwest
Thu 7/98:35 am
SAN
- STS
Nonstop1h 45m
Southwest
Deal found 6/18![Southwest logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 6/306:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Mon 7/69:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/176:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Mon 7/279:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 6/18. 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 8/251:40 pm
STS
- SAN
2 stops7h 15m
Southwest
Thu 8/2710:30 am
SAN
- STS
1 stop3h 50m
Southwest
Deal found 6/18![Southwest logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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 7/141:06 pm
STS
- SAN
1 stop6h 30m
Alaska Airlines
Tue 7/219:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/221:06 pm
STS
- SAN
1 stop20h 09m
Alaska Airlines
Thu 7/239:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$211
This Southwest deal was found by Cheapflights users on 6/18. 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 8/222:00 pm
STS
- SAN
1 stop6h 10m
Southwest
Mon 8/247:20 am
SAN
- STS
2 stops7h 00m
Southwest
Deal found 6/18![Southwest logo]()
$212
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 June 21, 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 June 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 9/136:13 am
STS
- SAN
Nonstop1h 52m
Alaska Airlines
Wed 9/1612:44 pm
SAN
- STS
1 stop3h 55m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 6/20. 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 8/26:10 am
STS
- SAN
Nonstop1h 45m
Southwest
Wed 8/57:05 am
SAN
- STS
1 stop4h 15m
Southwest
Deal found 6/20![Southwest logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 10/61:58 pm
STS
- SAN
1 stop3h 55m
Alaska Airlines
Wed 10/710:05 am
SAN
- STS
1 stop6h 07m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 6/18. 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 11/53:10 pm
STS
- SAN
2 stops6h 55m
Southwest
Sun 11/88:40 am
SAN
- STS
Nonstop1h 55m
Southwest
Deal found 6/18![Southwest logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 8/156:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Mon 8/1710:02 pm
SAN
- STS
1 stop19h 14m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 6/18. 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 8/112:15 pm
STS
- SAN
2 stops8h 50m
Southwest
Sat 8/86:05 pm
SAN
- STS
Nonstop1h 45m
Southwest
Deal found 6/18![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 8/155:56 pm
STS
- SAN
Nonstop1h 39m
Alaska Airlines
Sun 8/169:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$222
This Southwest deal was found by Cheapflights users on 6/18. 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 7/93:55 pm
STS
- SAN
2 stops7h 15m
Southwest
Sun 7/129:50 pm
SAN
- STS
Nonstop1h 50m
Southwest
Deal found 6/18![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 6/17. 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 7/103:55 pm
STS
- SAN
2 stops7h 15m
Southwest
Sun 7/129:50 pm
SAN
- STS
Nonstop1h 50m
Southwest
Deal found 6/17![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 6/19. 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 8/26:10 am
STS
- SAN
Nonstop1h 45m
Southwest
Tue 8/410:25 pm
SAN
- STS
2 stops12h 55m
Southwest
Deal found 6/19![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 6/19. 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 8/16:00 am
STS
- SAN
Nonstop1h 40m
Southwest
Sun 8/210:05 am
SAN
- STS
1 stop5h 20m
Southwest
Deal found 6/19![Southwest logo]()
$271
Last-minute flights from Santa Rosa to San DiegoDiscover last-minute flight deals from Santa Rosa to San Diego. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to San Diego. Data last updated June 21, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 6/286:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Thu 7/99:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 6/306:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Mon 7/69:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/11:06 pm
STS
- SAN
1 stop6h 30m
Alaska Airlines
Tue 7/79:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$198
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/26:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Tue 7/79:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 6/16. 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 7/23:55 pm
STS
- SAN
1 stop6h 45m
Southwest
Tue 7/76:40 am
SAN
- STS
1 stop4h 25m
Southwest
Deal found 6/16![Southwest logo]()
$208
This Southwest deal was found by Cheapflights users on 6/18. 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 7/72:15 pm
STS
- SAN
2 stops8h 05m
Southwest
Thu 7/98:35 am
SAN
- STS
Nonstop1h 45m
Southwest
Deal found 6/18![Southwest logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 7/135:56 pm
STS
- SAN
Nonstop1h 39m
Alaska Airlines
Wed 7/159:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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 7/141:06 pm
STS
- SAN
1 stop6h 30m
Alaska Airlines
Tue 7/219:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 6/20. 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 7/146:00 am
STS
- SAN
Nonstop1h 40m
Southwest
Fri 7/178:00 am
SAN
- STS
2 stops8h 35m
Southwest
Deal found 6/20![Southwest logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/176:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Mon 7/279:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/211:06 pm
STS
- SAN
1 stop6h 30m
Alaska Airlines
Thu 7/239:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/221:06 pm
STS
- SAN
1 stop20h 09m
Alaska Airlines
Thu 7/239:03 pm
SAN
- STS
Nonstop1h 55m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$211
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 June 21, 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 June 21, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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 8/134:40 pm
STS
- SAN
Nonstop1h 40m
Southwest
Deal found 6/16![Southwest logo]()
$55
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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 7/156:26 am
STS
- SAN
Nonstop1h 49m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 6/17. 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.
Wed 7/152:15 pm
STS
- SAN
1 stop4h 45m
Southwest
Deal found 6/17![Southwest logo]()
$65
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 7/145:56 pm
STS
- SAN
Nonstop1h 39m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$69
This Southwest deal was found by Cheapflights users on 6/18. 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 7/142:15 pm
STS
- SAN
1 stop7h 20m
Southwest
Deal found 6/18![Southwest logo]()
$70
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/84:12 pm
STS
- SAN
1 stop5h 22m
American Airlines
Deal found 6/17![American Airlines logo]()
$80
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 9/126:13 am
STS
- SAN
Nonstop1h 52m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$84
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 12/1611:25 am
STS
- SAN
1 stop7h 21m
Delta
Deal found 6/16![Delta logo]()
$89
This Southwest deal was found by Cheapflights users on 6/16. 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 9/207:05 am
STS
- SAN
Nonstop1h 45m
Southwest
Deal found 6/16![Southwest logo]()
$94
This Southwest deal was found by Cheapflights users on 6/19. 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.
Wed 9/161:40 pm
STS
- SAN
1 stop7h 25m
Southwest
Deal found 6/19![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 6/19. 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 7/186:00 am
STS
- SAN
Nonstop1h 40m
Southwest
Deal found 6/19![Southwest logo]()
$100
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 8/171:06 pm
STS
- SAN
1 stop6h 30m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$104
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 June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Alaska Airlines) |
One-way from | $55 (Southwest) |
Popular in | March |
Cheapest in | September |
Average price | $262 |
Good round-trip deal | $237 or less |
Good one-way deal | $168 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 2,558,603 searches. Data last updated June 21, 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 - SAN
STSSAN
Santa Rosa Sonoma County
Sun 9/13
6:13 am-8:05 am
Nonstop1h 52m
San Diego
Wed 9/16
12:44 pm-4:39 pm
1 stop3h 55m
$197
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Tue 10/6
1:58 pm-5:53 pm
1 stop3h 55m
San Diego
Wed 10/7
10:05 am-4:12 pm
1 stop6h 07m
$207
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Sat 8/15
6:26 am-8:15 am
Nonstop1h 49m
San Diego
Mon 8/17
10:02 pm-5:16 pm
1 stop19h 14m
$212
Quickest round-trip
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Sat 8/15
5:56 pm-7:35 pm
Nonstop1h 39m
San Diego
Sun 8/16
9:03 pm-10:58 pm
Nonstop1h 55m
$222
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Sun 8/2
6:10 am-7:55 am
Nonstop1h 45m
San Diego
Wed 8/5
7:05 am-11:20 am
1 stop4h 15m
$223
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Thu 11/5
3:10 pm-10:05 pm
2 stops6h 55m
San Diego
Sun 11/8
8:40 am-10:35 am
Nonstop1h 55m
$232
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Sat 8/1
12:15 pm-9:05 pm
2 stops8h 50m
San Diego
Sat 8/8
6:05 pm-7:50 pm
Nonstop1h 45m
$237
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Thu 7/9
3:55 pm-11:10 pm
2 stops7h 15m
San Diego
Sun 7/12
9:50 pm-11:40 pm
Nonstop1h 50m
$242
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Fri 7/10
3:55 pm-11:10 pm
2 stops7h 15m
San Diego
Sun 7/12
9:50 pm-11:40 pm
Nonstop1h 50m
$242
Santa RosaSan Diego
STS - SAN
STSSAN
Santa Rosa Sonoma County
Sun 8/2
6:10 am-7:55 am
Nonstop1h 45m
San Diego
Tue 8/4
10:25 pm-11:20 am
2 stops12h 55m
$248
Showing 1-10 of 23 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
Prices
Airlines
How far ahead should I book a flight from Santa Rosa to San Diego?
Booking 46 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 $218). Flying from Santa Rosa to San Diego in March is currently the most expensive (average of $310). 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 June 21, 2026.
It’s optimal to fly from Santa Rosa to San Diego in the evening. By choosing this option you can save up to 16% 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 June 13, 2026.
Travelers seeking maximum savings on their Santa Rosa to San Diego flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday 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 June 21, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andHawaiian 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.
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - 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
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Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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Santa Rosa and San Diego flights
Browse other Santa Rosa and San Diego flight options. Last updated on June 21, 2026.
Other flights from Santa Rosa
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Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 21, 2026.
Top 4 airlines flying from Santa Rosa to San Diego
Discover the top 4 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 2,558,603 searches. Data last updated June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$271 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$244 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$227 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$182 | Average$371 | FlexibilityNo cancel fee | On-time71% |