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$76+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Irvine are usually found in January or April, booked 87 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Santa Rosa to Irvine

Cheapest flights from Santa Rosa to Irvine
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:48 pm
STS
-
LAX
Nonstop1h 40m
Hawaiian Airlines
Mon 3/210:10 pm
LAX
-
STS
Nonstop1h 47m
Hawaiian Airlines
Deal found 1/29$107
This Alaska Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:10 pm
STS
-
LAX
Nonstop1h 42m
Alaska Airlines
Wed 5/610:13 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Deal found 1/29$117
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 2/277:00 am
STS
-
LAX
Nonstop1h 47m
Alaska Airlines
Sat 3/78:19 am
LAX
-
STS
Nonstop1h 52m
Alaska Airlines
Deal found 1/27$142
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 4/1312:10 pm
STS
-
LAX
Nonstop1h 39m
Alaska Airlines
Mon 4/135:27 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Deal found 1/27$152
This Southwest deal was found by Cheapflights users on 1/28. 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.
Tue 4/214:35 pm
STS
-
LAX
1 stop5h 55m
Southwest
Wed 4/224:10 pm
LAX
-
STS
2 stops6h 00m
Southwest
Deal found 1/28$156
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 3/27:00 am
STS
-
LAX
Nonstop1h 47m
Alaska Airlines
Thu 3/510:10 pm
LAX
-
STS
Nonstop1h 47m
Alaska Airlines
Deal found 1/27$157
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Mon 3/94:23 pm
STS
-
LAX
1 stop5h 31m
American Airlines
Wed 3/116:00 am
LAX
-
STS
1 stop6h 26m
American Airlines
Deal found 1/28$159
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 2/277:48 pm
STS
-
LAX
Nonstop1h 40m
Alaska Airlines
Sun 3/88:19 am
LAX
-
STS
Nonstop1h 52m
Alaska Airlines
Deal found 1/27$167
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 3/37:00 am
STS
-
LAX
Nonstop1h 47m
Alaska Airlines
Tue 3/310:50 am
LAX
-
STS
2 stops11h 02m
Alaska Airlines
Deal found 1/27$171
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/287:00 am
STS
-
LAX
Nonstop1h 47m
Alaska Airlines
Thu 3/510:10 pm
LAX
-
STS
Nonstop1h 47m
Alaska Airlines
Deal found 1/27$172
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 4/147:05 am
STS
-
LAX
Nonstop1h 56m
Alaska Airlines
Tue 4/1411:03 am
LAX
-
STS
1 stop6h 07m
Alaska Airlines
Deal found 1/27$181
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 4/127:05 am
STS
-
LAX
Nonstop1h 56m
Alaska Airlines
Thu 4/1610:13 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Deal found 1/27$182

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$107
(Kiwi.com)

One-way from

$76
(Southwest)

Popular in

November

Cheapest in

January

Average price

$177
Provider with most accurate pricing for San Francisco-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Los Angeles flights.
Search Deals
From Santa Rosa Sonoma County to Irvine
Search Deals
One-way flight from Santa Rosa Sonoma County to Irvine
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from Santa Rosa to Irvine that are best for you.

Fly from

Santa Rosa

Fly to

Irvine

Route

Depart

Return

Price

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 4/16

7:05 am-9:01 am

Nonstop1h 56m

Los Angeles

Sat 4/18

10:13 pm-11:59 pm

Nonstop1h 46m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 4/25

6:51 pm-8:33 pm

Nonstop1h 42m

Los Angeles

Thu 5/7

9:15 pm-11:01 pm

Nonstop1h 46m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 3/4

7:00 am-8:47 am

Nonstop1h 47m

Los Angeles

Sat 3/7

8:19 am-10:11 am

Nonstop1h 52m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 4/29

7:00 am-8:46 am

Nonstop1h 46m

Los Angeles

Thu 5/7

9:15 pm-11:01 pm

Nonstop1h 46m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Tue 4/28

7:10 pm-8:52 pm

Nonstop1h 42m

Los Angeles

Thu 5/7

9:15 pm-11:01 pm

Nonstop1h 46m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Mon 4/27

6:51 pm-8:33 pm

Nonstop1h 42m

Los Angeles

Sat 5/9

9:15 pm-11:01 pm

Nonstop1h 46m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 4/29

7:10 pm-8:52 pm

Nonstop1h 42m

Los Angeles

Fri 5/8

9:15 pm-11:01 pm

Nonstop1h 46m

$142

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Fri 4/10

7:53 pm-9:31 pm

Nonstop1h 38m

Los Angeles

Mon 4/13

5:27 pm-7:13 pm

Nonstop1h 46m

$142

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Mon 4/27

6:51 pm-8:33 pm

Nonstop1h 42m

Los Angeles

Fri 5/8

9:15 pm-11:01 pm

Nonstop1h 46m

$142

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Fri 4/24

7:00 am-8:46 am

Nonstop1h 46m

Los Angeles

Mon 5/11

8:09 am-10:01 am

Nonstop1h 52m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 23 results
1
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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.
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

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 January 23, 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, April is the cheapest month in which you can book a flight from Santa Rosa to Irvine (average of $29). 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 January 29, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Santa Rosa to Irvine by exploring options for tickets in the evening.

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 January 24, 2026.

Travelers seeking maximum savings on their Santa Rosa to Irvine flight should consider departing on Friday 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.

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 January 29, 2026.

The most flights from STS to IR9 are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, 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 January 29, 2026.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and Avelo 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.
Alaska Airlines
8.0
Very good
11,805 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,805 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Avelo Airlines
7.6
Good
Alaska Airlines
8.0
Very good
11,805 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,206 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • What airport do you fly from for flights from Santa Rosa to Irvine?

    Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Irvine. You should not have trouble finding flights to Irvine from Sonoma County; the airport handles an average of 8 outbound flights to Irvine per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Santa Rosa airport to Irvine. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.

  • How popular is this Santa Rosa to Irvine flight route?

    The Santa Rosa Sonoma County to Irvine flight path was viewed by 21 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Santa Rosa to Irvine?

    For as low as $117, Alaska Airlines can have you in Irvine from Santa Rosa in 1h 56m. The distance from Santa Rosa to Irvine is about 399 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Santa Rosa to Irvine one-way?

    $19 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $78 and $82, respectively.

  • What are the most reliable airlines from Santa Rosa to Irvine?

    No one likes to see their flight delayed. When booking a flight from Santa Rosa to Irvine consider choosing Finnair (100%), Iberia (80%) or Hawaiian Airlines (74%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Santa Rosa to Irvine?

    The cheapest flight price from Santa Rosa to Irvine is $98. On average you can expect to pay $199. The most popular route, (Santa Rosa Sonoma County - Los Angeles), can usually be booked for $117.

  • Can I find deals for flights from Santa Rosa to Irvine that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Irvine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Irvine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Irvine.

  • Can I find deals for business class flights from Santa Rosa to Irvine?

    Yes. Cheapflights offers flight deals from Santa Rosa to Irvine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Irvine?

    Currently, April is the cheapest month in which you can book a flight from Santa Rosa to Irvine (average of $29). 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.

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$99FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$45Average$121FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$73Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$91Average$226FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$158Average$268FlexibilityNo cancel feeOn-time71%

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