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$175+ Cheap flights from Santa Rosa (STS) to San Juan

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Santa Rosa to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$412
(American Airlines)

One-way from

$175
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$468
From Santa Rosa Sonoma County to San Juan
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One-way flight from Santa Rosa Sonoma County to San Juan
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Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Santa Rosa to San Juan

Cheapest flights from Santa Rosa to San Juan
Explore the most affordable flight options available from Santa Rosa to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/224:23 pmSTS - SJU
2 stops14h 49mAmerican Airlines
Wed 11/262:05 pmSJU - STS
2 stops23h 34mAmerican Airlines
Deal found 9/16$769
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 11/2112:37 pmSTS - SJU
2 stops17h 33mAmerican Airlines
Wed 11/262:05 pmSJU - STS
2 stops23h 34mAmerican Airlines
Deal found 9/16$911
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 12/234:21 pmSTS - SJU
2 stops25h 44mAmerican Airlines
Mon 12/295:24 amSJU - STS
2 stops22h 54mAmerican Airlines
Deal found 9/16$925
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 12/1912:59 pmSTS - SJU
2 stops23h 18mAmerican Airlines
Mon 12/295:24 amSJU - STS
2 stops22h 54mAmerican Airlines
Deal found 9/16$931
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/224:23 pmSTS - SJU
2 stops18h 37mAmerican Airlines
Tue 11/256:42 pmSJU - STS
2 stops21h 24mAmerican Airlines
Deal found 9/16$934
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 12/253:26 pmSTS - SJU
2 stops33h 34mAlaska Airlines
Wed 12/313:58 pmSJU - STS
2 stops31h 39mAlaska Airlines
Deal found 9/16$967
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 12/2212:59 pmSTS - SJU
2 stops16h 37mAmerican Airlines
Mon 12/295:24 amSJU - STS
2 stops22h 54mAmerican Airlines
Deal found 9/16$981
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 12/243:53 pmSTS - SJU
2 stops23h 50mAmerican Airlines
Mon 12/295:24 amSJU - STS
2 stops22h 54mAmerican Airlines
Deal found 9/16$1,000
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 11/234:23 pmSTS - SJU
2 stops21h 29mAmerican Airlines
Thu 11/273:41 pmSJU - STS
2 stops25h 07mAmerican Airlines
Deal found 9/16$1,010
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 12/2012:59 pmSTS - SJU
2 stops20h 47mAmerican Airlines
Mon 12/295:24 amSJU - STS
2 stops22h 54mAmerican Airlines
Deal found 9/16$1,025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Santa Rosa to San Juan that are best for you.

Fly from

Santa Rosa

Fly to

San Juan

Route

Depart

Return

Price

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Tue 3/3

8:00 am-12:00 pm

2 stops24h 00m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:30 pm-12:14 pm

2 stops25h 44m

$412

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 11/22

4:23 pm-11:12 am

2 stops14h 49m

San Juan Luis Munoz Marin Intl

Wed 11/26

2:05 pm-9:39 am

2 stops23h 34m

$769

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Fri 12/19

12:59 pm-4:17 pm

2 stops23h 18m

San Juan Luis Munoz Marin Intl

Mon 12/29

5:24 am-12:18 am

2 stops22h 54m

$931

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 11/22

4:23 pm-3:00 pm

2 stops18h 37m

San Juan Luis Munoz Marin Intl

Tue 11/25

6:42 pm-12:06 pm

2 stops21h 24m

$934

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 11/22

4:23 pm-3:00 pm

2 stops18h 37m

San Juan Luis Munoz Marin Intl

Thu 11/27

3:41 pm-12:48 pm

2 stops25h 07m

$934

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sun 11/23

1:18 pm-6:10 am

1 stop12h 52m

San Juan Luis Munoz Marin Intl

Wed 11/26

2:05 pm-9:39 am

2 stops23h 34m

$934

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 12/25

3:26 pm-5:00 am

2 stops33h 34m

San Juan Luis Munoz Marin Intl

Wed 12/31

3:58 pm-7:37 pm

2 stops31h 39m

$967

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 12/25

3:26 pm-5:00 am

2 stops33h 34m

San Juan Luis Munoz Marin Intl

Thu 1/1

6:00 am-7:37 pm

2 stops17h 37m

$967

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Mon 12/22

12:59 pm-9:36 am

2 stops16h 37m

San Juan Luis Munoz Marin Intl

Mon 12/29

5:24 am-12:18 am

2 stops22h 54m

$981

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sun 11/23

4:23 pm-11:12 am

2 stops14h 49m

San Juan Luis Munoz Marin Intl

Tue 11/25

6:42 pm-3:53 pm

2 stops25h 11m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 19 results
1
2

Best time to book a flight from Santa Rosa to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Santa Rosa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to San Juan

What is the cheapest month to book a flight from Santa Rosa to San Juan?

Currently, September is the cheapest month in which you can book a flight from Santa Rosa to San Juan (average of $254). Flying from Santa Rosa to San Juan in June is currently the most expensive (average of $339). 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.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown American Airlines from Santa Rosa to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

Crew

8.0

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santa Rosa to San Juan?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County is the airport most travelers will use when flying to San Juan from Santa Rosa. Booking flights from Sonoma County (STS) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 1 airline.

  • How long is the flight from Santa Rosa to San Juan?

    Departing from Santa Rosa to San Juan will take you 24h. The distance between Santa Rosa and San Juan is about 3652 mi.

  • What is the cheapest airline to fly from Santa Rosa to San Juan round-trip?

    Our cheapest airline available from Santa Rosa to San Juan is American Airlines. Our recent data shows that you can find tickets from as low as $394 on this airline.

  • Can I find deals for flights from Santa Rosa to San Juan that include hotel bookings?

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

  • How can I find direct flights from Santa Rosa to San Juan?

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

  • Can I find deals for business class flights from Santa Rosa to San Juan?

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

  • What is the cheapest month to book a flight from Santa Rosa to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Santa Rosa to San Juan (average of $254). Flying from Santa Rosa to San Juan in June is currently the most expensive (average of $339). 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.

See more FAQs

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Top airline flying from Santa Rosa to San Juan

Discover the top airline that operate flights from Santa Rosa to San Juan. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$394Average$872FlexibilityNo cancel feeOn-time71%

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