Irvine

$59+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
Jan 25 — Feb 11
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.

The best prices from Santa Rosa Sonoma County to Irvine are usually found in September or February, booked 86 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Santa Rosa to Irvine

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Irvine (IR9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.

Round-trip from

$132
(Alaska Airlines)

One-way from

$59
(Alaska Airlines)

Popular in

May

Cheapest in

September

Average price

$184
From Santa Rosa Sonoma County to Irvine
One-way flight from Santa Rosa Sonoma County to Irvine
High demand for flights, 8% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in January 2025

Find 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 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/257:00 amSTS - LAX
Nonstop1h 41mAlaska Airlines
Sat 3/18:59 pmLAX - STS
Nonstop1h 37mAlaska Airlines
Deal found 1/19$132
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/289:10 amSTS - LAX
1 stop12h 42mMultiple Airlines
Sun 3/211:18 pmLAX - STS
2 stops13h 54mMultiple Airlines
Deal found 1/19$196
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 7/84:20 pmSTS - LAX
1 stop5h 36mAmerican Airlines
Sat 7/129:44 amLAX - STS
1 stop6h 00mAmerican Airlines
Deal found 1/19$272

Find flights from Santa Rosa to Irvine within your budget

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 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Tue 2/25

7:00 am-8:41 am

Nonstop1h 41m

Los Angeles

Fri 2/28

8:59 pm-10:36 pm

Nonstop1h 37m

$132

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Fri 2/28

9:10 am-9:52 pm

1 stop12h 42m

Los Angeles

Sun 3/2

11:18 pm-1:12 pm

2 stops13h 54m

$196

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 1/30

12:58 pm-6:31 pm

1 stop5h 33m

Los Angeles

Mon 2/3

6:01 am-12:28 pm

1 stop6h 27m

$272

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 4/9

2:35 pm-4:14 pm

Nonstop1h 39m

$59

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Thu 2/6

12:32 pm-11:58 pm

1 stop11h 26m

$70

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Tue 4/8

2:35 pm-4:14 pm

Nonstop1h 39m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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.

Travel insights for flights from Santa Rosa to Irvine

Get recent, data-driven insights about flights from Santa Rosa to Irvine including ideal travel times, pricing trends, and more.

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 17, 2025.

To ensure you get the cheapest price possible for a flight from Santa Rosa to Irvine, you should look to book at least 86 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, January is the cheapest month in which you can book a flight from Santa Rosa to Irvine (average of $246). Flying from Santa Rosa to Irvine in March is currently the most expensive (average of $344). 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 20, 2025.

When flying from Santa Rosa to Irvine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 December 16, 2024.

Travelers seeking maximum savings on their Santa Rosa to Irvine flight should consider departing on Monday at noon when fares are most often at their lowest. Friday at noon 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 20, 2025.

The most flights from STS to IR9 are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Irvine by month

Plan your trip to Irvine by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Irvine ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Irvine when rainfall is around 0.0 in.

Temperature in Irvine by month

Plan your trip to Irvine by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Irvine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 20, 2025.
8.0
Very good
9,696 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

8.0
Very good
9,696 reviews
8.0
Very good
9,696 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

7.2
Good
10,000 reviews
8.0
Very good
9,696 reviews

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

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 10 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?

  • 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 (92%), Iberia (89%) or Air Tahiti Nui (78%) 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 $88. On average you can expect to pay $223. 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, January is the cheapest month in which you can book a flight from Santa Rosa to Irvine (average of $246). Flying from Santa Rosa to Irvine in March is currently the most expensive (average of $344). 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.

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.

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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$24Average$68FlexibilityNo cancel feeOn-time62%
DeltaCheapest$45Average$192FlexibilityNo cancel feeOn-timeN/A
Avelo AirlinesCheapest$57Average$107FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$115Average$228FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$198Average$311FlexibilityNo 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.