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San Juan

$337+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 11, 2025.

Round-trip from

$332
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$456
From Santa Rosa Sonoma County to San Juan
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
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 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/2312:53 pmSTS - SJU
2 stops29h 21mAmerican Airlines
Wed 10/2911:56 amSJU - STS
2 stops27h 25mAmerican Airlines
Deal found 9/10$337
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/2312:53 pmSTS - SJU
2 stops20h 51mAmerican Airlines
Tue 10/282:35 pmSJU - STS
2 stops22h 35mAmerican Airlines
Deal found 9/9$412
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/224:17 pmSTS - SJU
2 stops22h 53mAmerican Airlines
Fri 10/315:02 pmSJU - STS
2 stops22h 19mAmerican Airlines
Deal found 9/10$465
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/224:17 pmSTS - SJU
2 stops22h 53mAmerican Airlines
Tue 10/285:30 amSJU - STS
2 stops31h 40mAmerican Airlines
Deal found 9/9$540
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/224:17 pmSTS - SJU
2 stops20h 37mAmerican Airlines
Sat 11/15:30 amSJU - STS
2 stops13h 17mAmerican Airlines
Deal found 9/10$593
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/154:17 pmSTS - SJU
2 stops28h 42mAmerican Airlines
Sat 10/185:30 amSJU - STS
2 stops13h 17mAmerican Airlines
Deal found 9/9$621
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/224:17 pmSTS - SJU
2 stops20h 37mAmerican Airlines
Sun 11/26:42 pmSJU - STS
2 stops22h 06mAmerican Airlines
Deal found 9/10$669
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/154:17 pmSTS - SJU
2 stops28h 42mAmerican Airlines
Sun 10/195:30 amSJU - STS
2 stops21h 03mAmerican Airlines
Deal found 9/9$696
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/165:31 pmSTS - SJU
2 stops27h 28mAmerican Airlines
Sun 10/195:30 amSJU - STS
2 stops21h 03mAmerican Airlines
Deal found 9/9$771
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 12/244:21 pmSTS - SJU
2 stops19h 56mAmerican Airlines
Tue 12/308:35 pmSJU - STS
2 stops19h 54mAmerican Airlines
Deal found 9/10$848
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:14 amSTS - SJU
2 stops23h 54mAlaska Airlines
Mon 1/56:05 amSJU - STS
2 stops17h 32mAlaska Airlines
Deal found 9/10$858

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 11, 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

Sun 2/15

12:49 pm-2:40 pm

2 stops21h 51m

San Juan Luis Munoz Marin Intl

Thu 2/19

12:45 pm-12:14 pm

2 stops27h 29m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sun 2/15

12:49 pm-2:40 pm

2 stops21h 51m

San Juan Luis Munoz Marin Intl

Wed 2/18

4:45 pm-12:14 pm

2 stops23h 29m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 10/23

12:53 pm-9:14 pm

2 stops29h 21m

San Juan Luis Munoz Marin Intl

Wed 10/29

11:56 am-12:21 pm

2 stops27h 25m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 10/23

12:53 pm-3:55 pm

2 stops24h 02m

San Juan Luis Munoz Marin Intl

Tue 10/28

5:30 am-3:47 pm

2 stops13h 17m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Tue 2/17

12:49 pm-4:55 am

2 stops12h 06m

San Juan Luis Munoz Marin Intl

Tue 2/24

4:25 pm-12:14 pm

2 stops23h 49m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 10/23

12:53 pm-12:44 pm

2 stops20h 51m

San Juan Luis Munoz Marin Intl

Fri 10/31

5:02 pm-12:21 pm

2 stops22h 19m

$337

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Thu 10/23

12:53 pm-12:44 pm

2 stops20h 51m

San Juan Luis Munoz Marin Intl

Mon 11/3

2:47 pm-12:07 pm

2 stops25h 20m

$337

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

2:45 pm-12:14 pm

2 stops25h 29m

$412

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Wed 10/22

4:17 pm-6:10 pm

2 stops22h 53m

San Juan Luis Munoz Marin Intl

Tue 10/28

5:30 am-3:47 pm

2 stops13h 17m

$465

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

Sat 2/14

12:49 pm-9:55 pm

2 stops29h 06m

San Juan Luis Munoz Marin Intl

Tue 2/24

2:30 pm-12:14 pm

2 stops25h 44m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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, 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 11, 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

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.4

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

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.4

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 21h 51m. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$394Average$872FlexibilityNo cancel feeOn-time71%

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