What is the cheapest airline that flies from Los Angeles Los Angeles to Santa Rosa Sonoma County?

Southwest and Alaska Airlines are the most popular carriers operating from Los Angeles Los Angeles to Santa Rosa Sonoma County

How many flights depart from Los Angeles to Santa Rosa on average per day?

The number of flights available between Los Angeles and Santa Rosa is 9 per day as of June 2026. The most frequent departure time is 14:00, with 75% of daily flights leaving in the afternoon.

Which airlines fly to Santa Rosa?

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Santa Rosa from Los Angeles according to our data. Alaska Airlines is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Santa Rosa. Keep in mind that there are 5 different airlines that fly to Santa Rosa on a routine basis, so you have a few additional options to choose from.

How many flights depart from Los Angeles to Santa Rosa on average per week?

As of June 2026, 68 flights take off from Los Angeles and land in Santa Rosa each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

When did momondo last update prices for flights from Los Angeles Airport to Santa Rosa Sonoma County Airport?

Prices for flights from Los Angeles Airport to Santa Rosa Sonoma County Airport are refreshed on a daily basis.

How old do you have to be to fly from Los Angeles Airport to Santa Rosa Sonoma County Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Los Angeles Airport to Santa Rosa Sonoma County Airport.

What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

The necessary travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£49 Cheap Flights from Los Angeles to Santa Rosa in 2026

Q: What is the typical price of a round-trip flight between Los Angeles and Santa Rosa?

Prices are currently low for flights on this route. Typical prices usually range from £175 to £318. The lowest price recently found on this route was £149.

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Find the cheapest flights from Los Angeles to San Francisco

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:34 - 18:18

LAX

STS

1h 44mdirect

16:36 - 18:17

STS

LAX

1h 41mdirect

£149Alaska Airlines

Thu, 10 Sep - Mon, 14 Sep

14:15 - 22:50

LAX

STS

8h 35m

2 stops

06:00 - 13:35

STS

LAX

7h 35m

2 stops

£149Southwest

Wed, 15 Jul - Wed, 22 Jul

19:55 - 21:31

LAX

STS

1h 36mdirect

07:10 - 08:44

STS

LAX

1h 34mdirect

£156Alaska Airlines

Fri, 21 Aug - Mon, 24 Aug

15:10 - 22:35

LAX

STS

7h 25m

2 stops

12:45 - 21:15

STS

LAX

8h 30m

1 stop

£157Southwest

Mon, 17 Aug - Sat, 22 Aug

19:55 - 21:31

LAX

STS

1h 36mdirect

07:10 - 08:44

STS

LAX

1h 34mdirect

£160Alaska Airlines

Thu, 3 Sep - Mon, 7 Sep

13:25 - 21:25

LAX

STS

8h 00m

2 stops

06:05 - 13:15

STS

LAX

7h 10m

2 stops

£161Southwest

Tue, 15 Sep - Thu, 17 Sep

05:35 - 11:05

LAX

STS

5h 30m

1 stop

12:15 - 18:25

STS

LAX

6h 10m

1 stop

£164Southwest

Wed, 15 Jul - Sat, 18 Jul

13:25 - 21:25

LAX

STS

8h 00m

2 stops

14:55 - 21:20

STS

LAX

6h 25m

2 stops

£165Southwest

Wed, 5 Aug - Thu, 6 Aug

08:45 - 14:20

LAX

STS

5h 35m

1 stop

10:30 - 18:30

STS

LAX

8h 00m

1 stop

£168Southwest

Thu, 13 Aug - Sun, 16 Aug

09:53 - 11:40

LAX

STS

1h 47mdirect

07:00 - 08:46

STS

LAX

1h 46mdirect

£169Alaska Airlines

Wed, 4 Nov - Sun, 8 Nov

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Alaska Airlines flights from Los Angeles to Santa Rosa

Our best Alaska Airlines deals on Los Angeles to Santa Rosa flight tickets

Alaska Airlines

10 Sept

LAX19:55Los Angeles

1h 36m

STS21:31Santa Rosa Sonoma County

13 Sept

STS07:10Santa Rosa Sonoma County

1h 34m

LAX08:44Los Angeles

£149

Alaska Airlines

21 Aug

LAX19:55Los Angeles

1h 36m

STS21:31Santa Rosa Sonoma County

24 Aug

STS07:10Santa Rosa Sonoma County

1h 34m

LAX08:44Los Angeles

£156

Alaska Airlines

3 Sept

LAX19:55Los Angeles

1h 36m

STS21:31Santa Rosa Sonoma County

7 Sept

STS07:10Santa Rosa Sonoma County

1h 34m

LAX08:44Los Angeles

£160

Southwest flights from Los Angeles to Santa Rosa

Our best Southwest deals on Los Angeles to Santa Rosa flight tickets

Southwest

15 Jul

LAX14:15Los Angeles

8h 35m

2 stops

STS22:50Santa Rosa Sonoma County

22 Jul

STS06:00Santa Rosa Sonoma County

7h 35m

2 stops

LAX13:35Los Angeles

£149

Southwest

17 Aug

LAX15:10Los Angeles

7h 25m

2 stops

STS22:35Santa Rosa Sonoma County

22 Aug

STS12:45Santa Rosa Sonoma County

8h 30m

1 stop

LAX21:15Los Angeles

£157

Southwest

15 Sept

LAX13:25Los Angeles

8h 00m

2 stops

STS21:25Santa Rosa Sonoma County

17 Sept

STS06:05Santa Rosa Sonoma County

7h 10m

2 stops

LAX13:15Los Angeles

£161

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 10/9

16:34-18:18

Nonstop1h 44m

Santa Rosa Sonoma County

Mon 14/9

16:36-18:17

Nonstop1h 41m

£149

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 15/7

14:15-22:50

2 stops8h 35m

Santa Rosa Sonoma County

Wed 22/7

06:00-13:35

2 stops7h 35m

£149

Fastest return journey

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Fri 21/8

19:55-21:31

Nonstop1h 36m

Santa Rosa Sonoma County

Mon 24/8

07:10-08:44

Nonstop1h 34m

£156

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Mon 17/8

15:10-22:35

2 stops7h 25m

Santa Rosa Sonoma County

Sat 22/8

12:45-21:15

1 stop8h 30m

£157

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 3/9

19:55-21:31

Nonstop1h 36m

Santa Rosa Sonoma County

Mon 7/9

07:10-08:44

Nonstop1h 34m

£160

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Tue 15/9

13:25-21:25

2 stops8h 00m

Santa Rosa Sonoma County

Thu 17/9

06:05-13:15

2 stops7h 10m

£161

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 15/7

05:35-11:05

1 stop5h 30m

Santa Rosa Sonoma County

Sat 18/7

12:15-18:25

1 stop6h 10m

£164

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 5/8

13:25-21:25

2 stops8h 00m

Santa Rosa Sonoma County

Thu 6/8

14:55-21:20

2 stops6h 25m

£165

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Thu 13/8

08:45-14:20

1 stop5h 35m

Santa Rosa Sonoma County

Sun 16/8

10:30-18:30

1 stop8h 00m

£168

Los AngelesSanta Rosa

LAX - STS

LAXSTS

Los Angeles

Wed 4/11

09:53-11:40

Nonstop1h 47m

Santa Rosa Sonoma County

Sun 8/11

07:00-08:46

Nonstop1h 46m

£169

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from Los Angeles to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Los Angeles and Santa Rosa?

What is the cheapest month to fly to Santa Rosa?

The cheapest month to fly to Santa Rosa from Los Angeles is in January. Flight prices, which tend to average around £186, are often lower during this time because this is during the off-season. The month of July is another great option to travel to Santa Rosa, with average flight prices from Los Angeles averaging around £189.

What is the cheapest Los Angeles Los Angeles to Santa Rosa Sonoma County flight route?

Fly from Los Angeles Los Angeles to Santa Rosa Sonoma County for the best Los Angeles Los Angeles - Santa Rosa Sonoma County flight prices

How far in advance should I book a flight from Los Angeles to Santa Rosa?

You are more likely to see cheaper flights to Santa Rosa from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Santa Rosa for around £205 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santa Rosa from Los Angeles for as low as £136 on momondo.

What cabin class options are available on Los Angeles to Santa Rosa flights?

There are 2 cabin classes available to choose from on Los Angeles to Santa Rosa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Los Angeles to Santa Rosa flight prices changed over time?

As of June 2026, prices for Los Angeles to Santa Rosa flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Los Angeles to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Los Angeles to Santa Rosa (LAX to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Santa Rosa

Fastest flight time	6h 40m
Direct flights	Every day
Airports in Santa Rosa	1 airport

The fastest flight from Los Angeles to Santa Rosa takes 6h 40m

Direct flights go from Los Angeles to Santa Rosa every day.

There is 1 airport in Santa Rosa. From Los Angeles there are direct flights to Santa Rosa Sonoma County (STS).

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Frequently asked questions about flying from Los Angeles to Santa Rosa

How far is Los Angeles to Santa Rosa Sonoma County by plane?
Los Angeles and Santa Rosa Sonoma County are 389.4 mi apart from one another. By plane, this route typically takes 6h 40m.
When did momondo last update prices for flights from Los Angeles Airport to Santa Rosa Sonoma County Airport?
Prices for flights from Los Angeles Airport to Santa Rosa Sonoma County Airport are refreshed on a daily basis.
How old do you have to be to fly from Los Angeles Airport to Santa Rosa Sonoma County Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Los Angeles Airport to Santa Rosa Sonoma County Airport.
What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?
The necessary travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Los Angeles to Santa Rosa?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Los Angeles to Santa Rosa is Embraer 170 (15.98% of total bookings). The next most popular plane models are Embraer 175 (13.29%), Boeing 737-800 Passenger/BBJ2 (winglets) (13.13%), and Boeing 737-800 (10.44%).

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Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Santa Rosa?

Finding the right flight to Santa Rosa from Los Angeles is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santa Rosa quick and easy, saving you time and money.

Can I find flights from Los Angeles to Santa Rosa with flexible booking policies on momondo?

momondo does allow users to show only those flights to Santa Rosa from Los Angeles which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Los Angeles to Santa Rosa?

Once all potential Los Angeles to Santa Rosa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Los Angeles to Santa Rosa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Los Angeles to Santa Rosa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santa Rosa and let you know when they change.