HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Irvine

$89+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 Saturday or Thursday 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 May 21, 2026.

This Trip.com deal was found by Cheapflights users on 5/16. 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 6/67:59 am
STS
-
LAX
Nonstop1h 39m
Alaska Airlines
Tue 6/99:25 am
LAX
-
STS
Nonstop1h 45m
Alaska Airlines
Deal found 5/16$151
This Trip.com deal was found by Cheapflights users on 5/21. 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.
Wed 8/197:10 am
STS
-
LAX
Nonstop1h 34m
Alaska Airlines
Wed 8/267:55 pm
LAX
-
STS
Nonstop1h 36m
Alaska Airlines
Deal found 5/21$172
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:10 am
STS
-
LAX
Nonstop1h 34m
Alaska Airlines
Tue 9/89:44 am
LAX
-
STS
Nonstop1h 37m
Alaska Airlines
Deal found 5/20$187
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 6/95:21 pm
STS
-
LAX
Nonstop1h 40m
Alaska Airlines
Tue 6/162:09 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Deal found 5/18$192
This Southwest deal was found by Cheapflights users on 5/19. 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 8/191:40 pm
STS
-
LAX
1 stop3h 50m
Southwest
Wed 8/265:20 am
LAX
-
STS
1 stop6h 00m
Southwest
Deal found 5/19$197
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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 6/87:59 am
STS
-
LAX
Nonstop1h 39m
Alaska Airlines
Sat 6/132:09 pm
LAX
-
STS
Nonstop1h 46m
Alaska Airlines
Deal found 5/18$212

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 May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(Trip.com)

One-way from

$89
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$227
Provider with most accurate pricing for San Francisco-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Los Angeles 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. 4% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 21, 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

Price

Cheapest round-trip

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 7/1

2:15 pm-11:00 pm

1 stop8h 45m

Los Angeles Los Angeles

Wed 7/8

5:35 am-11:05 am

1 stop5h 30m

$202

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Tue 8/4

6:00 am-7:44 am

Nonstop1h 44m

Los Angeles Los Angeles

Sun 8/9

5:00 pm-6:43 pm

Nonstop1h 43m

$227
Quickest round-trip

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Mon 6/15

5:35 pm-7:15 pm

Nonstop1h 40m

Los Angeles Los Angeles

Sun 6/21

5:00 pm-6:43 pm

Nonstop1h 43m

$227

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 8/6

6:00 am-7:44 am

Nonstop1h 44m

Los Angeles Los Angeles

Thu 8/13

5:00 pm-6:43 pm

Nonstop1h 43m

$227

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 8/8

11:35 am-1:15 pm

Nonstop1h 40m

Los Angeles Los Angeles

Fri 8/14

2:09 pm-3:55 pm

Nonstop1h 46m

$227

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 6/13

11:38 am-1:18 pm

Nonstop1h 40m

Los Angeles Los Angeles

Sun 6/14

9:00 am-10:45 am

Nonstop1h 45m

$227

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Tue 9/1

6:00 am-11:40 am

2 stops5h 40m

Los Angeles Los Angeles

Tue 9/8

1:25 pm-9:25 pm

2 stops8h 00m

$232

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 6/6

12:15 pm-6:25 pm

1 stop6h 10m

Los Angeles Los Angeles

Tue 6/9

5:35 am-11:05 am

1 stop5h 30m

$242

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Tue 6/2

6:00 am-3:30 pm

2 stops9h 30m

Los Angeles Los Angeles

Tue 6/9

2:15 pm-10:45 pm

2 stops8h 30m

$262

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Fri 6/5

5:21 pm-7:01 pm

Nonstop1h 40m

Los Angeles Los Angeles

Sun 6/14

9:00 am-10:45 am

Nonstop1h 45m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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

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 May 21, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from Santa Rosa to Irvine by exploring options for tickets in the afternoon.

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 May 21, 2026.

The most flights from STS to IR9 are scheduled on a Thursday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Santa Rosa to Irvine?

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 May 16, 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 May 21, 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.
Alaska Airlines
7.9
Good
12,392 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,392 reviews
Alaska Airlines
7.9
Good
12,392 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,835 reviews
Alaska Airlines
7.9
Good
12,392 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.1
Good
11,645 reviews
Alaska Airlines
7.9
Good
12,392 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Frontier
5.7
Fair
2,945 reviews
Alaska Airlines
7.9
Good
12,392 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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 5 outbound flights to Irvine per day. You should also have plenty of airline options to choose from since 6 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 18 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 $227, Southwest can have you in Irvine from Santa Rosa in 1h 44m. The distance from Santa Rosa to Irvine is about 399 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $49 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 $73 and $80, 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 (100%) or American Airlines (96%) 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 $118. On average you can expect to pay $251. The most popular route, (Santa Rosa Sonoma County - Los Angeles Los Angeles), can usually be booked for $177.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to Irvine

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Las Vegas flights
Los Angeles to Las Vegas flights
Santa Rosa to Los Angeles flights
San Francisco to Ontario flights
San Francisco to Los Angeles flights
Santa Ana to Las Vegas flights
Ontario to San Francisco flights
Los Angeles to San Francisco flights
San Francisco to Santa Ana flights
San Francisco to San Diego flights
San Jose to Los Angeles flights
Burbank to Las Vegas flights
Santa Ana to San Francisco flights
San Diego to San Francisco flights
Los Angeles to San Jose flights
San Jose to Las Vegas flights
Ontario to Las Vegas flights
Santa Rosa to Ontario flights
San Diego to Las Vegas flights
Sacramento to Las Vegas flights
San Jose to San Diego flights
Oakland to Las Vegas flights
San Francisco to Burbank flights
Burbank to San Francisco flights
Los Angeles to Sacramento flights
Sacramento to Los Angeles flights
Oakland to San Diego flights
San Jose to Ontario flights
Las Vegas to Los Angeles flights
Sacramento to San Diego flights
Las Vegas to San Francisco flights
San Francisco to Palm Springs flights
Ontario to Sacramento flights
Ontario to San Jose flights
Reno to Las Vegas flights
Fresno to Las Vegas flights
Long Beach to Las Vegas flights
Las Vegas to Santa Ana flights
Los Angeles to Reno flights
Las Vegas to Reno flights
Santa Rosa to Las Vegas flights
Santa Ana to San Jose flights
Sacramento to Ontario flights
Burbank to San Jose flights
San Jose to Santa Ana flights
San Diego to Oakland flights
Las Vegas to Ontario flights
Las Vegas to San Diego flights
San Francisco to Long Beach flights
Stockton to Las Vegas flights

Top 6 airlines flying from Santa Rosa to Irvine

Discover the top 6 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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$49Average$131FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$68Average$113FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$73Average$211FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$91Average$230FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$142Average$217FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$272FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.