Title: CA $150 Cheap American Airlines fights from Santa Rosa to San Diego - Expedia.ca

![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# CA $150 Cheap American Airlines fights from Santa Rosa (STS) to San Diego (SAN)

[View CA $150 flight on Mon, Mar 23, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:STS,to:SAN,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:149.10&airProductToken=AQo_Cj0IwYIBEgQ5NDQ0GPKUASCSaCjIsogDML6ziAM4UUAAWAFqBE1BSU5yCFFIMk9BVU1OegoIwaYBEgQ5NDQ0EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

### Travellers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

EconomyPremium economyBusiness classFirst class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Direct flights only

- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)  
###  
Be in the know  
Get alerts if flight prices drop or rise\*
- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)  
###  
Book smarter  
Save up to 30% on select hotels after you book a flight\*
- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)  
###  
Earn twice  
Earn your airline miles on top of our rewards  
[Sign in](https://www.expedia.ca/login)

## American Airlines flights from Santa Rosa to San Diego (STS→SAN)

Prices were available within the past 7 days and start at CA $150 for one-way flights and CA $822 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Fri, Feb 13 - Mon, Feb 16

STS

Santa Rosa

SAN

San Diego

CA $822

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:STS,to:SAN,departure:13/02/2026TANYT&leg2=from:SAN,to:STS,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:821.72&airProductToken=AQo_Cj0IwYIBEgQ5MzQ1GPKUASCSaCiriYUDMJOKhQM4S0AAWAFqBE1BSU5yCEtIME9BU01OegoIwaYBEgQ5MzQ1EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Fri, Feb 13 - Mon, Feb 16

STS

Santa Rosa

SAN

San Diego

CA $831

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:STS,to:SAN,departure:13/02/2026TANYT&leg2=from:SAN,to:STS,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:831.00&airProductToken=AQo_Cj0IwYIBEgQ5MzQ1GPKUASCSaCiriYUDMJOKhQM4S0AAWAFqBE1BSU5yCEtIME9BU01OegoIwaYBEgQ5MzQ1CmcKMQjBggESBDE2OTQYkmgg77kBKICphQMw4KmFAzhWQABYAWoETUFJTnIIVjdBS1pOTjEKMgjBggESBDQxNjMY77kBIPKUASjjqoUDMPGrhQM4VkABWAFqBE1BSU5yCFY3QUtaTk4xEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Fri, Feb 13 - Mon, Feb 16

STS

Santa Rosa

SAN

San Diego

CA $876

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:STS,to:SAN,departure:13/02/2026TANYT&leg2=from:SAN,to:STS,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:875.15&airProductToken=AQo_Cj0IwYIBEgQ5MzQ1GPKUASCSaCiriYUDMJOKhQM4S0AAWAFqBE1BSU5yCEtIME9BU01OegoIwaYBEgQ5MzQ1EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Fri, Feb 13 - Mon, Feb 16

STS

Santa Rosa

SAN

San Diego

CA $880

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:STS,to:SAN,departure:13/02/2026TANYT&leg2=from:SAN,to:STS,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:879.80&airProductToken=AQo_Cj0IwYIBEgQ5MzQ1GPKUASCSaCiriYUDMJOKhQM4S0AAWAFqBE1BSU5yCEtIME9BU01OegoIwaYBEgQ5MzQ1Cj8KPQjBggESBDkyNzcYkmgg8pQBKPOvhQMw7bCFAzhLQABYAWoETUFJTnIIS0gwT0FTTU56CgjBpgESBDkyNzcSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Fri, Feb 13 - Mon, Feb 16

STS

Santa Rosa

SAN

San Diego

CA $887

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:STS,to:SAN,departure:13/02/2026TANYT&leg2=from:SAN,to:STS,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:886.58&airProductToken=AQo_Cj0IwYIBEgQ5MzQ1GPKUASCSaCiriYUDMJOKhQM4S0AAWAFqBE1BSU5yCEtIME9BU01OegoIwaYBEgQ5MzQ1EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Fri, Feb 13 - Mon, Feb 16

STS

Santa Rosa

SAN

San Diego

CA $893

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:STS,to:SAN,departure:13/02/2026TANYT&leg2=from:SAN,to:STS,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:892.27&airProductToken=AQo_Cj0IwYIBEgQ5MzEzGPKUASCSaCj9jIUDMOiNhQM4SEAAWAFqBE1BSU5yCEhIME9BU01OegoIwaYBEgQ5MzEzEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw)

## Find the cheapest month to fly from Santa Rosa (STS) to San Diego (SAN)

### February is typically the cheapest month to fly

From CA $164 - CA $348 per traveller.

__Flight from Santa Rosa to San Diego (STS - SAN) route information__
| Origin airport      | Sonoma County   |
| ------------------- | --------------- |
| Destination airport | San Diego Intl. |
| Distance            | 813 km          |
| Average flight time | 1 hour 44 mins  |

\*Available to Expedia members.