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$68+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LAX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Irvine are usually found in September or July, booked 49 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 July 31, 2025.

Round-trip from

$111
(Trip.com)

One-way from

$68
(Hawaiian Airlines)

Popular in

February

Cheapest in

September

Average price

$187
From Santa Rosa Sonoma County to Irvine
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One-way flight from Santa Rosa Sonoma County to Irvine
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Highest demand for flights based on searches. 3% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:07 pmSTS - LAX
Nonstop1h 38mHawaiian Airlines
Sat 9/205:30 pmLAX - STS
Nonstop1h 42mHawaiian Airlines
Deal found 7/30$111
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 9/227:03 amSTS - LAX
Nonstop1h 42mAlaska Airlines
Sat 9/275:30 pmLAX - STS
Nonstop1h 42mAlaska Airlines
Deal found 7/31$117
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:59 pmSTS - LAX
1 stop5h 32mAmerican Airlines
Wed 9/39:55 amLAX - STS
1 stop5h 53mAmerican Airlines
Deal found 7/30$159

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 July 31, 2025.
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

Sat 9/13

3:07 pm-4:45 pm

Nonstop1h 38m

Los Angeles

Sat 9/20

5:30 pm-7:12 pm

Nonstop1h 42m

$111

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Mon 9/22

7:03 am-8:45 am

Nonstop1h 42m

Los Angeles

Sat 9/27

5:30 pm-7:12 pm

Nonstop1h 42m

$117

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 8/27

12:59 pm-6:31 pm

1 stop5h 32m

Los Angeles

Wed 9/3

9:55 am-3:48 pm

1 stop5h 53m

$159

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Wed 8/27

10:23 am-3:01 pm

1 stop4h 38m

$68

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sat 8/30

12:59 pm-6:31 pm

1 stop5h 32m

$89

Santa RosaLos Angeles

STS - LAX

STSLAX

Santa Rosa Sonoma County

Sun 9/28

7:03 am-8:45 am

Nonstop1h 42m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 25, 2025.

To ensure you get the cheapest price possible for a flight from Santa Rosa to Irvine, you should look to book at least 49 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 $326). 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 July 31, 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 July 27, 2025.

Travelers seeking maximum savings on their Santa Rosa to Irvine flight should consider departing on Wednesday evenings 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 July 31, 2025.

The most flights from STS to IR9 are scheduled on a Wednesday (19 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (13 on average).

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 July 31, 2025.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and American 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 15 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 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $68 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $89 and $144, 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 Japan Airlines (95%), Qatar Airways (94%) or SkyWest Airlines (86%) 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 $216. The most popular route, (Santa Rosa Sonoma County - Los Angeles), can usually be booked for $111.

  • 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 $326). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$19Average$60FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$57Average$100FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$73Average$221FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$116Average$232FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$176Average$292FlexibilityNo cancel feeOn-time71%

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