How popular is this Irvine to Santa Rosa flight route?

The Irvine to Santa Rosa Sonoma County flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What are the cheapest flights from Irvine to Santa Rosa?

On average you can expect to pay $273 for a flight from Irvine to Santa Rosa. The cheapest flight overall is $128 while the most popular route, (Los Angeles - Santa Rosa Sonoma County) is currently priced at $177.

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

No one likes to see their flight delayed. When booking a flight from Irvine to Santa Rosa consider choosing Finnair (92%), Japan Airlines (92%) or SkyWest Airlines (91%) as they are the most reliable in getting you off to your destination on time.

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

Located just 7.2 mi from the city center, Santa Rosa Sonoma County is the airport most travelers will use when flying to Santa Rosa from Irvine. Booking flights from Irvine to Sonoma County (STS) should be relatively easy as there are 5 daily inbound flights from Irvine from 3 different airlines.

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

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

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

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

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

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

Find Cheap Flights from Irvine to Santa Rosa

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Cheapflights Tip: The best prices from Irvine to Santa Rosa Sonoma County are usually found in January or April, booked 54 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Find flight deals from Irvine to Santa Rosa

Most accurate provider	FlightHub 3 stars
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Popular in	June
Cheapest in	January
Average price	$317

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Highest demand for flights based on searches. 1% potential increase in price ($2 potential increase over avg. RT price).

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Average for round-trip flights in September 2026

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Everything you need to know about your flight from Irvine to Santa Rosa

What is the cheapest time of day to fly from IR9 to STS?

It’s optimal to fly from Irvine to Santa Rosa in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Irvine to Santa Rosa?

Travelers seeking maximum savings on their Irvine to Santa Rosa flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Santa Rosa

Read through reviews of airlines operating flights from Irvine to Santa Rosa, such as Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

13,000 reviews

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

7.9

Good

13,000 reviews

Alaska Airlines

7.9

Good

13,000 reviews

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

7.0

Good

12,097 reviews

Alaska Airlines

7.9

Good

13,000 reviews

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

What airport do you fly into for flights to Santa Rosa from Irvine?
Located just 7.2 mi from the city center, Santa Rosa Sonoma County is the airport most travelers will use when flying to Santa Rosa from Irvine. Booking flights from Irvine to Sonoma County (STS) should be relatively easy as there are 5 daily inbound flights from Irvine from 3 different airlines.
How popular is this Irvine to Santa Rosa flight route?
The Irvine to Santa Rosa Sonoma County flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the most reliable airlines from Irvine to Santa Rosa?
No one likes to see their flight delayed. When booking a flight from Irvine to Santa Rosa consider choosing Finnair (92%), Japan Airlines (92%) or SkyWest Airlines (91%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Irvine to Santa Rosa?
On average you can expect to pay $273 for a flight from Irvine to Santa Rosa. The cheapest flight overall is $128 while the most popular route, (Los Angeles - Santa Rosa Sonoma County) is currently priced at $177.
Can I find deals for flights from Irvine to Santa Rosa that include hotel bookings?
Yes. In addition to deals on Irvine to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Irvine to Santa Rosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irvine to Santa Rosa.
Can I find deals for business class flights from Irvine to Santa Rosa?
Yes. Cheapflights offers flight deals from Irvine to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 3 airlines flying from Irvine to Santa Rosa

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$117	Average$278	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$134	Average$254	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$246	Average$512	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Irvine, CA to Santa Rosa (STS)

Find cheap flights from Irvine to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Irvine to Santa Rosa

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from IR9 to STS?

It’s optimal to fly from Irvine to Santa Rosa in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Irvine to Santa Rosa?

Travelers seeking maximum savings on their Irvine to Santa Rosa flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Santa Rosa

Read through reviews of airlines operating flights from Irvine to Santa Rosa, such as Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How popular is this Irvine to Santa Rosa flight route?

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

What are the cheapest flights from Irvine to Santa Rosa?

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

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

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

Traveling to a place near Santa Rosa?

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Alternative routes for Irvine to Santa Rosa

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Complete your trip

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Irvine and Santa Rosa flights

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Other flights to Santa Rosa

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