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.

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

$83 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $88 and $123, respectively.

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.

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).

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 $297. The most popular route, (Santa Rosa Sonoma County - Los Angeles), can usually be booked for $177.

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 SkyWest Airlines (93%), Finnair (93%) or Iberia (93%) as they are the most reliable in getting you off to your destination on time.

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 3 outbound flights to Irvine per day. You should also have plenty of airline options to choose from since 3 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.

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.

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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 Thursday or Saturday and return on a Tuesday

Find flight deals from Santa Rosa to Irvine

Most accurate provider	FlightHub 3 stars
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Popular in	September
Cheapest in	January
Average price	$258

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Highest demand for flights based on searches. 17% potential increase in price ($50 potential increase over avg. RT price).

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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?

Unlike at noon, when flights are generally more expensive, you can save up to 14% 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?

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Irvine

See what other customers who have flown with Alaska Airlines,American Airlines, andFrontier 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

13,006 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

13,006 reviews

Alaska Airlines

7.9

Good

13,006 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

12,129 reviews

Alaska Airlines

7.9

Good

13,006 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

Frontier

5.6

Fair

2,563 reviews

Alaska Airlines

7.9

Good

13,006 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 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 3 outbound flights to Irvine per day. You should also have plenty of airline options to choose from since 3 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.
What are the cheapest airlines to fly from Santa Rosa to Irvine one-way?
$83 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $88 and $123, 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 SkyWest Airlines (93%), Finnair (93%) or Iberia (93%) 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 $297. The most popular route, (Santa Rosa Sonoma County - 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.

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Top 3 airlines flying from Santa Rosa to Irvine

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$91	Average$241	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$133	Average$216	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$158	Average$257	FlexibilityNo cancel fee	On-time71%

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

Find cheap flights from Santa Rosa to Irvine with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Santa Rosa to Irvine

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

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

Unlike at noon, when flights are generally more expensive, you can save up to 14% 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?

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Irvine

See what other customers who have flown with Alaska Airlines,American Airlines, andFrontier 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.

Related info for your journey

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

How popular is this Santa Rosa to Irvine flight route?

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

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

What are the cheapest flights from Santa Rosa to Irvine?

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

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

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

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

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Complete your trip

Complete your trip to Irvine by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Santa Rosa to Irvine by cabin class

Find flights from Santa Rosa to Irvine, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Santa Rosa and Irvine flights

Browse other Santa Rosa and Irvine flight options. Last updated on October 3, 2026.

Other flights from Santa Rosa

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