$79+ Cheap flights from Pasadena, CA to Santa Rosa (STS)
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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Pasadena to Santa Rosa
Cheapest flights from Pasadena to Santa RosaExplore the most affordable flight options available from Pasadena to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Pasadena to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
This Trip.com deal was found by Cheapflights users on 1/28. 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.
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
This SmartFares deal was found by Cheapflights users on 1/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
This American Airlines deal was found by Cheapflights users on 1/28. 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.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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.
Find flight deals from Pasadena to Santa Rosa
Keep the following information in mind while searching for Pasadena to Santa Rosa flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $142 (Alaska Airlines) |
One-way from | $79 (CheapOair) |
Popular in | November |
Cheapest in | February |
Average price | $247 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Pasadena to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Fri 3/6
10:10 pm-11:57 pm
Nonstop1h 47m
Santa Rosa Sonoma County
Mon 3/9
7:48 pm-9:28 pm
Nonstop1h 40m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Wed 4/29
4:57 pm-10:57 pm
1 stop6h 00m
Santa Rosa Sonoma County
Sat 5/2
7:00 am-8:46 am
Nonstop1h 46m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Thu 2/26
10:10 pm-11:57 pm
Nonstop1h 47m
Santa Rosa Sonoma County
Tue 3/3
8:00 am-8:08 pm
1 stop12h 08m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Sat 4/11
7:00 am-11:15 pm
1 stop16h 15m
Santa Rosa Sonoma County
Tue 4/14
7:53 pm-9:31 pm
Nonstop1h 38m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Fri 4/17
9:22 pm-9:03 am
1 stop11h 41m
Santa Rosa Sonoma County
Mon 4/20
7:53 pm-9:31 pm
Nonstop1h 38m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Sat 4/11
11:50 am-8:30 pm
2 stops8h 40m
Santa Rosa Sonoma County
Tue 4/14
4:35 pm-9:10 pm
1 stop4h 35m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Sat 2/28
7:45 am-9:52 pm
1 stop14h 07m
Santa Rosa Sonoma County
Sun 3/1
7:00 am-8:47 am
Nonstop1h 47m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Thu 3/12
8:19 am-10:11 am
Nonstop1h 52m
Santa Rosa Sonoma County
Sun 3/15
8:00 am-4:59 pm
1 stop8h 59m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Thu 3/19
10:13 pm-11:59 pm
Nonstop1h 46m
Santa Rosa Sonoma County
Sun 3/22
7:05 am-9:01 am
Nonstop1h 56m
Los AngelesSanta Rosa
LAX - STS
LAXSTS
Los Angeles
Sat 2/14
8:19 am-10:11 am
Nonstop1h 52m
Santa Rosa Sonoma County
Thu 2/19
7:48 pm-9:28 pm
Nonstop1h 40m
Best time to book a flight from Pasadena to Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Pasadena with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Pasadena to Santa Rosa
How far ahead should I book a flight from Pasadena to Santa Rosa?
Use this chart to determine the optimal time to book a round-trip flight from Pasadena to Santa Rosa. Price data was last updated on January 23, 2026.
The price you pay for your flight from Pasadena to Santa Rosa may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Pasadena to Santa Rosa?
Currently, February is the cheapest month in which you can book a flight from Pasadena to Santa Rosa (average of $19). Flying from Pasadena to Santa Rosa in July is currently the most expensive (average of $57). 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 P4S to STS?
Find hourly flight availability from Pasadena to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.
One of the essential ways to save on airfare from Pasadena to Santa Rosa is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.
What is the cheapest day to fly from Pasadena to Santa Rosa?
Use this chart to determine the cheapest time to fly round-trip from Pasadena to Santa Rosa. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Pasadena to Santa Rosa flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Pasadena to Santa Rosa
Explore weekly flight availability from Pasadena to Santa Rosa. 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 29, 2026.
The most flights from P4S to STS are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
Reviews of airlines servicing Santa Rosa
Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated January 29, 2026.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and Avelo Airlines from Pasadena to Santa Rosa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Jan 2026
STS - LAX
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Jan 2026
STS - LAX
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Jan 2026
STS - LAX
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Jan 2026
STS - LAX
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Jan 2026
STS - LAX
Food
Boarding
Comfort
Overall
Crew
Entertainment
Reviews
Anonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Pasadena to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Pasadena to Santa Rosa
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Pasadena to Santa Rosa
Discover the top 5 airlines that operate flights from Pasadena to Santa Rosa. 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$130 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$47 | Average$134 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$249 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$269 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$334 | FlexibilityNo cancel fee | On-time71% |