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San Juan

$265+ Cheap flights from Santa Rosa (STS) to San Juan

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/204:21 pmSTS - SJU
2 stops27h 38mAmerican Airlines
Wed 12/3110:03 pmSJU - STS
2 stops21h 48mAmerican Airlines
Deal found 12/10$851
This American Airlines deal was found by Cheapflights users on 12/10. 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 stops16h 36mAmerican Airlines
Wed 12/3110:03 pmSJU - STS
2 stops21h 48mAmerican Airlines
Deal found 12/10$886
This American Airlines deal was found by Cheapflights users on 12/11. 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 stops17h 37mAmerican Airlines
Fri 1/93:54 pmSJU - STS
2 stops27h 59mAmerican Airlines
Deal found 12/11$910
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/204:21 pmSTS - SJU
2 stops27h 38mAmerican Airlines
Thu 1/84:28 pmSJU - STS
2 stops27h 25mAmerican Airlines
Deal found 12/9$926
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/274:21 pmSTS - SJU
2 stops27h 38mAmerican Airlines
Fri 1/93:54 pmSJU - STS
2 stops24h 31mAmerican Airlines
Deal found 12/11$929
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/214:21 pmSTS - SJU
2 stops23h 22mAmerican Airlines
Fri 1/93:54 pmSJU - STS
2 stops24h 31mAmerican Airlines
Deal found 12/9$935
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/233:53 pmSTS - SJU
2 stops16h 04mAmerican Airlines
Fri 1/93:54 pmSJU - STS
2 stops27h 59mAmerican Airlines
Deal found 12/11$954
This American Airlines deal was found by Cheapflights users on 12/11. 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 stops19h 55mAmerican Airlines
Thu 1/85:23 pmSJU - STS
2 stops26h 30mAmerican Airlines
Deal found 12/11$985
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/284:21 pmSTS - SJU
2 stops13h 14mAmerican Airlines
Thu 1/85:23 pmSJU - STS
2 stops26h 30mAmerican Airlines
Deal found 12/11$1,004
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/204:21 pmSTS - SJU
2 stops27h 38mAmerican Airlines
Wed 1/74:02 pmSJU - STS
2 stops24h 23mAmerican Airlines
Deal found 12/9$1,007
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/214:21 pmSTS - SJU
2 stops23h 22mAmerican Airlines
Thu 1/84:28 pmSJU - STS
2 stops27h 25mAmerican Airlines
Deal found 12/9$1,010
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/223:53 pmSTS - SJU
2 stops27h 46mAmerican Airlines
Fri 1/93:54 pmSJU - STS
2 stops24h 31mAmerican Airlines
Deal found 12/11$1,022

Find 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 December 12, 2025.

Round-trip from

$265
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$596
From Santa Rosa Sonoma County to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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 2/3

4:23 pm-8:50 pm

2 stops24h 27m

San Juan Luis Munoz Marin Intl

Mon 2/9

4:28 pm-12:25 pm

2 stops23h 57m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 1/17

4:23 pm-10:48 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:00 am-9:56 am

2 stops31h 56m

$412

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Tue 1/13

12:55 pm-10:48 am

2 stops17h 53m

San Juan Luis Munoz Marin Intl

Thu 1/22

4:28 pm-12:25 pm

2 stops23h 57m

$466

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 1/17

4:23 pm-3:59 pm

2 stops19h 36m

San Juan Luis Munoz Marin Intl

Tue 1/20

5:51 pm-3:53 pm

2 stops26h 02m

$466

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Tue 1/13

12:55 pm-10:48 am

2 stops17h 53m

San Juan Luis Munoz Marin Intl

Wed 1/21

5:51 pm-9:56 am

2 stops20h 05m

$541

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Wed 2/4

12:55 pm-1:08 pm

2 stops20h 13m

San Juan Luis Munoz Marin Intl

Mon 2/9

7:00 am-10:58 pm

2 stops19h 58m

$541

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Wed 1/14

4:23 pm-5:01 pm

2 stops20h 38m

San Juan Luis Munoz Marin Intl

Thu 1/22

5:51 pm-12:25 pm

2 stops22h 34m

$541

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 1/17

4:23 pm-5:01 pm

2 stops20h 38m

San Juan Luis Munoz Marin Intl

Mon 1/19

4:28 pm-12:25 pm

2 stops23h 57m

$541

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Mon 1/26

6:52 pm-10:26 pm

2 stops23h 34m

San Juan Luis Munoz Marin Intl

Thu 1/29

3:54 pm-11:11 pm

2 stops35h 17m

$553

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 1/15

4:23 pm-10:48 am

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Thu 1/22

4:49 pm-12:25 pm

2 stops23h 36m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 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, April is the cheapest month in which you can book a flight from Santa Rosa to San Juan (average of $177). Flying from Santa Rosa to San Juan in November is currently the most expensive (average of $328). 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 December 12, 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
11,050 reviews

Entertainment

6.9

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Entertainment

6.9

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 27m. The distance between Santa Rosa and San Juan is about 3652 mi.

  • 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, April is the cheapest month in which you can book a flight from Santa Rosa to San Juan (average of $177). Flying from Santa Rosa to San Juan in November is currently the most expensive (average of $328). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$374Average$872FlexibilityNo cancel feeOn-time71%

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