$94+ Cheap flights from Santa Rosa (STS) to Irvine, CA
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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Irvine 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 Irvine are usually found in January or February, booked 89 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from Santa Rosa to Irvine
Cheapest
Best
Last-minute
One-way
Cheapest flights from Santa Rosa to IrvineExplore the most affordable flight options available from Santa Rosa to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
Explore the most affordable flight options available from Santa Rosa to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
This SmartFares deal was found by Cheapflights users on 8/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:01 pm -
Nonstop1h 32m
Sat 9/129:44 am -
Nonstop1h 37m
Deal found 8/17![Alaska Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 8/17. 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.
Thu 11/122:15 pm -
1 stop8h 25m
Sat 11/145:15 am -
1 stop6h 00m
Deal found 8/17![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:21 pm -
1 stop5h 31m
Sat 9/129:50 am -
1 stop6h 00m
Deal found 8/18![American Airlines logo]()
$159
This Southwest deal was found by Cheapflights users on 8/17. 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.
Thu 9/176:05 am -
2 stops7h 20m
Sat 9/195:20 am -
1 stop6h 45m
Deal found 8/17![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 8/18. 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 9/81:40 pm -
1 stop3h 50m
Fri 9/118:55 am -
1 stop5h 25m
Deal found 8/18![Southwest logo]()
$167
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:08 pm -
1 stop5h 17m
Sun 9/136:30 am -
1 stop6h 08m
Deal found 8/16![American Airlines logo]()
$168
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 9/112:55 pm -
1 stop5h 55m
Mon 9/143:10 pm -
2 stops7h 30m
Deal found 8/18![Southwest logo]()
$172
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:01 pm -
Nonstop1h 32m
Wed 9/169:44 am -
Nonstop1h 37m
Deal found 8/17![Alaska Airlines logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 9/1612:01 pm -
Nonstop1h 32m
Tue 9/229:44 am -
Nonstop1h 37m
Deal found 8/17![Alaska Airlines logo]()
$177
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:08 pm -
1 stop5h 17m
Sat 9/129:50 am -
1 stop6h 00m
Deal found 8/19![American Airlines logo]()
$178
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:10 am -
Nonstop1h 34m
Sun 9/137:55 pm -
Nonstop1h 36m
Deal found 8/16![Alaska Airlines logo]()
$182
Best flights from Santa Rosa to IrvineDiscover carefully curated flight deals from Santa Rosa to Irvine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from Santa Rosa to Irvine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
2 stops8h 00m
Wed 9/93:25 pm -
2 stops6h 05m
Deal found 8/15![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/1612:01 pm -
Nonstop1h 32m
Sat 9/197:59 pm -
Nonstop1h 36m
Deal found 8/18![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:49 pm -
1 stop7h 06m
Mon 10/265:30 am -
1 stop5h 11m
Deal found 8/19![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 10/2211:57 am -
Nonstop1h 43m
Sun 10/254:01 pm -
Nonstop1h 45m
Deal found 8/19![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sat 10/173:05 pm -
2 stops8h 15m
Sun 10/185:10 am -
1 stop4h 45m
Deal found 8/17![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 8/16. 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.
Wed 9/301:40 pm -
1 stop5h 15m
Wed 10/712:00 pm -
2 stops9h 40m
Deal found 8/16![Southwest logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 9/2512:01 pm -
Nonstop1h 32m
Wed 10/79:30 am -
Nonstop1h 47m
Deal found 8/15![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sat 9/1212:45 pm -
1 stop8h 35m
Mon 9/143:10 pm -
2 stops7h 30m
Deal found 8/17![Southwest logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Thu 9/247:10 am -
Nonstop1h 34m
Sun 9/277:55 pm -
Nonstop1h 36m
Deal found 8/15![Alaska Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 8/19. 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.
Thu 10/226:00 am -
2 stops7h 25m
Sun 10/255:10 am -
1 stop4h 45m
Deal found 8/19![Southwest logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 9/1012:01 pm -
Nonstop1h 32m
Tue 9/152:56 pm -
2 stops8h 58m
Deal found 8/18![Alaska Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 8/19. 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.
Tue 9/81:40 pm -
1 stop5h 15m
Sat 9/121:05 pm -
2 stops6h 50m
Deal found 8/19![Southwest logo]()
$252
Last-minute flights from Santa Rosa to IrvineDiscover last-minute flight deals from Santa Rosa to Irvine. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Irvine. Data last updated August 20, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 8/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:01 pm -
Nonstop1h 32m
Sat 9/129:44 am -
Nonstop1h 37m
Deal found 8/17![Alaska Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 8/18. 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 9/81:40 pm -
1 stop3h 50m
Fri 9/118:55 am -
1 stop5h 25m
Deal found 8/18![Southwest logo]()
$167
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:01 pm -
Nonstop1h 32m
Wed 9/169:44 am -
Nonstop1h 37m
Deal found 8/17![Alaska Airlines logo]()
$174
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:01 pm -
Nonstop1h 32m
Sun 9/139:44 am -
Nonstop1h 37m
Deal found 8/16![Alaska Airlines logo]()
$184
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:08 pm -
1 stop5h 17m
Sat 9/129:50 am -
1 stop6h 00m
Deal found 8/19![American Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:21 pm -
1 stop5h 31m
Sat 9/129:50 am -
1 stop6h 00m
Deal found 8/18![American Airlines logo]()
$159
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 9/112:55 pm -
1 stop5h 55m
Mon 9/143:10 pm -
2 stops7h 30m
Deal found 8/18![Southwest logo]()
$172
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:08 pm -
1 stop5h 17m
Sun 9/136:30 am -
1 stop6h 08m
Deal found 8/16![American Airlines logo]()
$168
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:10 am -
Nonstop1h 34m
Sun 9/137:55 pm -
Nonstop1h 36m
Deal found 8/16![Alaska Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/1612:01 pm -
Nonstop1h 32m
Sat 9/197:59 pm -
Nonstop1h 36m
Deal found 8/19![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/17. 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.
Thu 9/176:05 am -
2 stops7h 20m
Sat 9/195:20 am -
1 stop6h 45m
Deal found 8/17![Southwest logo]()
$162
One-way flights from Santa Rosa to IrvineSearch for one-way flight options from Santa Rosa to Irvine. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
Search for one-way flight options from Santa Rosa to Irvine. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Southwest deal was found by Cheapflights users on 8/16. 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.
Fri 11/134:10 pm -
2 stops7h 15m
Deal found 8/16![Southwest logo]()
$94
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:49 pm -
1 stop4h 56m
Deal found 8/15![Delta logo]()
$109
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/91:08 pm -
1 stop5h 17m
Deal found 8/17![American Airlines logo]()
$115
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 9/812:01 pm -
Nonstop1h 32m
Deal found 8/18![Alaska Airlines logo]()
$119
This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:36 pm -
Nonstop1h 41m
Deal found 8/18![Alaska Airlines logo]()
$124
This Priceline deal was found by Cheapflights users on 8/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:10 am -
Nonstop1h 34m
Deal found 8/15![Alaska Airlines logo]()
$129
This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:16 am -
2 stops7h 37m
Deal found 8/19![Alaska Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:05 am -
2 stops7h 10m
Deal found 8/15![Southwest logo]()
$134
This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:36 pm -
Nonstop1h 41m
Deal found 8/15![Alaska Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:49 pm -
1 stop7h 06m
Deal found 8/17![Delta logo]()
$139
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:36 pm -
Nonstop1h 41m
Deal found 8/17![Alaska Airlines logo]()
$141
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
2 stops7h 25m
Deal found 8/15![Southwest logo]()
$144
Find flight deals from Santa Rosa to Irvine
Keep the following information in mind while searching for Santa Rosa to Irvine flight deals. Data was last updated August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $155 (SmartFares) |
One-way from | $94 (Southwest) |
Popular in | September |
Cheapest in | January |
Average price | $280 |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to Irvine 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 August 20, 2026.
Use the filters below to find and compare flights from Santa Rosa to Irvine that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Wed 9/9
6:00 am-2:00 pm
2 stops8h 00m
Los Angeles Los Angeles
Wed 9/9
3:25 pm-9:30 pm
2 stops6h 05m
$167
Quickest round-trip
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Wed 9/16
12:01 pm-1:33 pm
Nonstop1h 32m
Los Angeles Los Angeles
Sat 9/19
7:59 pm-9:35 pm
Nonstop1h 36m
$177
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Thu 10/22
11:57 am-1:40 pm
Nonstop1h 43m
Los Angeles Los Angeles
Sun 10/25
4:01 pm-5:46 pm
Nonstop1h 45m
$197
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Sat 10/17
3:05 pm-11:20 pm
2 stops8h 15m
Los Angeles Los Angeles
Sun 10/18
5:10 am-9:55 am
1 stop4h 45m
$212
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Wed 9/30
1:40 pm-6:55 pm
1 stop5h 15m
Los Angeles Los Angeles
Wed 10/7
12:00 pm-9:40 pm
2 stops9h 40m
$212
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Sat 9/12
12:45 pm-9:20 pm
1 stop8h 35m
Los Angeles Los Angeles
Mon 9/14
3:10 pm-10:40 pm
2 stops7h 30m
$212
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Thu 10/22
6:00 am-1:25 pm
2 stops7h 25m
Los Angeles Los Angeles
Sun 10/25
5:10 am-9:55 am
1 stop4h 45m
$212
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Thu 10/22
4:49 pm-11:55 pm
1 stop7h 06m
Los Angeles Los Angeles
Mon 10/26
5:30 am-10:41 am
1 stop5h 11m
$217
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Fri 9/25
12:01 pm-1:33 pm
Nonstop1h 32m
Los Angeles Los Angeles
Wed 10/7
9:30 am-11:17 am
Nonstop1h 47m
$227
Santa RosaLos Angeles
STS Santa Rosa Sonoma County - LAX Los Angeles Los Angeles
STSLAX
Santa Rosa Sonoma County
Thu 9/24
7:10 am-8:44 am
Nonstop1h 34m
Los Angeles Los Angeles
Sun 9/27
7:55 pm-9:31 pm
Nonstop1h 36m
$230
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Santa Rosa to Irvine
Have a flexible travel schedule? Discover the best time to fly to Irvine from Santa Rosa with our price prediction graph.
STS-LAX
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 Irvine
STS-IR9
STS-LAX
What is the cheapest time of day to fly from STS to IR9?
Find hourly flight availability from Santa Rosa to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Santa Rosa to Irvine by exploring options for tickets in the evening.
How much does it cost to fly round-trip from Santa Rosa to Irvine?
Airfare is below average for this route at the moment.
Santa Rosa to Irvine flights typically cost between $216 and $358 in September.The cheapest round-trip price found within the last 5 days was $155 on Alaska Airlines (Sep 8-Sep 12).
What is the cheapest day to fly from Santa Rosa to Irvine?
Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to Irvine. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Santa Rosa to Irvine flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Irvine
Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated August 20, 2026.
See what other customers who have flown with Alaska Airlines,Hawaiian Airlines, andAmerican Airlines from Santa Rosa to Irvine have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Overall
7.9
Boarding
8.1
Food
7.0
Entertainment
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
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Santa Rosa and Irvine flights
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Top 5 airlines flying from Santa Rosa to Irvine
Discover the top 5 airlines that operate flights from Santa Rosa to Irvine. 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 August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$113 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$91 | Average$232 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$235 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$217 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$252 | FlexibilityNo cancel fee | On-time71% |