$84+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
May 1 — May 81
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 87 days in advance, depart on a Thursday or Saturday and return on a Wednesday
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 April 1, 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 April 1, 2026.
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Sat 5/99:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/97:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Tue 5/128:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$147
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 4/227:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Sat 4/259:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 4/217:53 pm
STS
- LAX
Nonstop1h 38m
Alaska Airlines
Sat 4/258:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 3/30. 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 4/2512:00 pm
STS
- LAX
1 stop5h 40m
Southwest
Wed 4/2910:55 am
LAX
- STS
1 stop5h 00m
Southwest
Deal found 3/30![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 3/30. 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 4/256:05 am
STS
- LAX
2 stops7h 55m
Southwest
Tue 4/2810:55 am
LAX
- STS
1 stop5h 00m
Southwest
Deal found 3/30![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 3/31. 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.
Tue 4/216:00 am
STS
- LAX
2 stops9h 30m
Southwest
Sat 4/251:55 pm
LAX
- STS
2 stops6h 35m
Southwest
Deal found 3/31![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 3/31. 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.
Sat 5/3012:00 pm
STS
- LAX
1 stop8h 55m
Southwest
Sat 6/65:35 am
LAX
- STS
1 stop7h 55m
Southwest
Deal found 3/31![Southwest logo]()
$178
This Southwest deal was found by Cheapflights users on 3/29. 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.
Tue 5/54:35 pm
STS
- LAX
1 stop4h 35m
Southwest
Sat 5/91:50 pm
LAX
- STS
2 stops6h 40m
Southwest
Deal found 3/29![Southwest logo]()
$182
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:51 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Mon 4/278:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$183
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/246:51 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Sat 5/29:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$192
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 April 1, 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 April 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/187:53 pm
STS
- LAX
Nonstop1h 38m
Alaska Airlines
Tue 4/2110:13 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 3/27. 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 5/1612:00 pm
STS
- LAX
1 stop5h 40m
Southwest
Tue 5/193:35 pm
LAX
- STS
2 stops6h 35m
Southwest
Deal found 3/27![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 5/295:21 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Sun 5/319:25 am
LAX
- STS
Nonstop1h 45m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 4/297:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Fri 5/19:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 6/296:00 am
STS
- LAX
Nonstop1h 44m
Alaska Airlines
Tue 7/72:09 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 6/197:26 pm
STS
- LAX
Nonstop1h 40m
Alaska Airlines
Tue 6/235:46 pm
LAX
- STS
Nonstop1h 43m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 4/221:13 pm
STS
- LAX
1 stop6h 46m
Alaska Airlines
Wed 4/2210:13 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 6/31:09 pm
STS
- LAX
1 stop6h 04m
Alaska Airlines
Sat 6/69:35 am
LAX
- STS
Nonstop1h 36m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/187:53 pm
STS
- LAX
Nonstop1h 38m
Alaska Airlines
Fri 4/244:57 pm
LAX
- STS
1 stop6h 00m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$290
Last-minute flights from Santa Rosa to IrvineDiscover last-minute flight deals from Santa Rosa to Irvine. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Irvine. Data last updated April 1, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 4/217:53 pm
STS
- LAX
Nonstop1h 38m
Alaska Airlines
Sat 4/258:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 3/31. 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.
Tue 4/216:00 am
STS
- LAX
2 stops9h 30m
Southwest
Sat 4/251:55 pm
LAX
- STS
2 stops6h 35m
Southwest
Deal found 3/31![Southwest logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 4/227:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Sat 4/259:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/246:51 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Sat 5/29:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$192
This Southwest deal was found by Cheapflights users on 3/30. 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 4/2512:00 pm
STS
- LAX
1 stop5h 40m
Southwest
Wed 4/2910:55 am
LAX
- STS
1 stop5h 00m
Southwest
Deal found 3/30![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 3/30. 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 4/256:05 am
STS
- LAX
2 stops7h 55m
Southwest
Tue 4/2810:55 am
LAX
- STS
1 stop5h 00m
Southwest
Deal found 3/30![Southwest logo]()
$172
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:51 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Mon 4/278:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$183
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Sat 5/99:15 pm
LAX
- STS
Nonstop1h 46m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$142
This Southwest deal was found by Cheapflights users on 3/29. 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.
Tue 5/54:35 pm
STS
- LAX
1 stop4h 35m
Southwest
Sat 5/91:50 pm
LAX
- STS
2 stops6h 40m
Southwest
Deal found 3/29![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/97:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Tue 5/128:09 am
LAX
- STS
Nonstop1h 52m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 3/31. 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.
Sat 5/3012:00 pm
STS
- LAX
1 stop8h 55m
Southwest
Sat 6/65:35 am
LAX
- STS
1 stop7h 55m
Southwest
Deal found 3/31![Southwest logo]()
$178
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 April 1, 2026.
Search for one-way flight options from Santa Rosa to Irvine. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Southwest deal was found by Cheapflights users on 3/30. 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 4/251:00 pm
STS
- LAX
1 stop8h 30m
Southwest
Deal found 3/30![Southwest logo]()
$84
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/217:05 am
STS
- LAX
Nonstop1h 56m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$94
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/227:10 pm
STS
- LAX
Nonstop1h 42m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$99
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:23 pm
STS
- LAX
1 stop5h 42m
American Airlines
Deal found 3/28![American Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 3/30. 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.
Mon 4/274:40 pm
STS
- LAX
2 stops6h 40m
Southwest
Deal found 3/30![Southwest logo]()
$129
This SmartFares deal was found by Cheapflights users on 3/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 am
STS
- LAX
Nonstop1h 44m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$130
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/237:00 am
STS
- LAX
Nonstop1h 46m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$134
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/294:20 pm
STS
- LAX
1 stop5h 41m
American Airlines
Deal found 4/1![American Airlines logo]()
$144
This Southwest deal was found by Cheapflights users on 3/29. 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.
Wed 5/136:00 am
STS
- LAX
2 stops7h 00m
Southwest
Deal found 3/29![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 3/28. 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.
Mon 4/1311:00 am
STS
- LAX
1 stop3h 55m
Southwest
Deal found 3/28![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 3/31. 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 6/185:10 pm
STS
- LAX
2 stops6h 30m
Southwest
Deal found 3/31![Southwest logo]()
$159
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 April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $142 (Trip.com) |
One-way from | $84 (Southwest) |
Popular in | March |
Cheapest in | January |
Average price | $187 |
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 2,558,603 searches. Data last updated April 1, 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 - LAX
STSLAX
Santa Rosa Sonoma County
Sat 4/18
7:53 pm-9:31 pm
Nonstop1h 38m
Los Angeles
Tue 4/21
10:13 pm-11:59 pm
Nonstop1h 46m
$147
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Sat 5/16
12:00 pm-5:40 pm
1 stop5h 40m
Los Angeles
Tue 5/19
3:35 pm-10:10 pm
2 stops6h 35m
$182
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Fri 5/29
5:21 pm-7:01 pm
Nonstop1h 40m
Los Angeles
Sun 5/31
9:25 am-11:10 am
Nonstop1h 45m
$227
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Wed 4/29
7:10 pm-8:52 pm
Nonstop1h 42m
Los Angeles
Fri 5/1
9:15 pm-11:01 pm
Nonstop1h 46m
$227
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Mon 6/29
6:00 am-7:44 am
Nonstop1h 44m
Los Angeles
Tue 7/7
2:09 pm-3:55 pm
Nonstop1h 46m
$227
Quickest round-trip
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Fri 6/19
7:26 pm-9:06 pm
Nonstop1h 40m
Los Angeles
Tue 6/23
5:46 pm-7:29 pm
Nonstop1h 43m
$227
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Wed 4/22
1:13 pm-7:59 pm
1 stop6h 46m
Los Angeles
Wed 4/22
10:13 pm-11:59 pm
Nonstop1h 46m
$231
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Wed 6/3
1:09 pm-7:13 pm
1 stop6h 04m
Los Angeles
Sat 6/6
9:35 am-11:11 am
Nonstop1h 36m
$255
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Sat 4/18
7:53 pm-9:31 pm
Nonstop1h 38m
Los Angeles
Fri 4/24
4:57 pm-10:57 pm
1 stop6h 00m
$290
Cheapest one-way
Santa RosaLos Angeles
STS - LAX
STSLAX
Santa Rosa Sonoma County
Tue 5/12
7:10 pm-8:52 pm
Nonstop1h 42m
$94
Showing 1-10 of 21 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
How far ahead should I book a flight from Santa Rosa to Irvine?
Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to Irvine. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Santa Rosa to Irvine, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Santa Rosa to Irvine?
Currently, May is the cheapest month in which you can book a flight from Santa Rosa to Irvine (average of $33). Flying from Santa Rosa to Irvine in December is currently the most expensive (average of $59). 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 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 April 1, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 3% on flights from Santa Rosa to Irvine by exploring options for tickets in the afternoon.
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 March 28, 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Santa Rosa to Irvine
Explore weekly flight availability from Santa Rosa to Irvine. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 1, 2026.
The most flights from STS to IR9 are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Santa Rosa to Irvine?
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 April 1, 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.
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
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 Irvine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 2,558,603 searches. Data last updated April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$48 | Average$132 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$73 | Average$220 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$91 | Average$225 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$167 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$268 | FlexibilityNo cancel fee | On-time71% |