HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$421+ Cheap flights from Santa Rosa (STS) to Puerto Rico

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJU
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Puerto Rico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Santa Rosa to Puerto Rico

Keep the following information in mind while searching for Santa Rosa to Puerto Rico flight deals. Data was last updated junio 12, 2025.

Round-trip from

$421
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$578
From Santa Rosa Sonoma County to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Santa Rosa to Puerto Rico

Cheapest flights from Santa Rosa to Puerto Rico
Explore the most affordable flight options available from Santa Rosa to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
dom. 7/64:16 pmSTS - SJU
2 stops28h 39mAmerican Airlines
mar. 7/153:23 pmSJU - STS
2 stops24h 08mAmerican Airlines
Deal found 6/10$421
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 8/16:00 amSTS - SJU
2 stops20h 06mAlaska Airlines
lun. 8/43:23 pmSJU - STS
2 stops35h 27mAlaska Airlines
Deal found 6/10$734

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa to Puerto Rico 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 junio 12, 2025.
Use the filters below to find and compare flights from Santa Rosa to Puerto Rico that are best for you.

Fly from

Santa Rosa

Fly to

Puerto Rico

Route

Depart

Return

Price

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

dom. 7/6

4:16 pm-11:55 pm

2 stops28h 39m

San Juan Luis Munoz Marin Intl

mar. 7/15

3:23 pm-12:31 pm

2 stops24h 08m

$421

Santa RosaSan Juan

STS - SJU

STSSJU

Santa Rosa Sonoma County

vie. 8/1

6:00 am-5:06 am

2 stops20h 06m

San Juan Luis Munoz Marin Intl

lun. 8/4

3:23 pm-11:50 pm

2 stops35h 27m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Santa Rosa to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from Santa Rosa to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Santa Rosa to Puerto Rico (average of $254). Flying from Santa Rosa to Puerto Rico 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated junio 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Puerto Rico. 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 Puerto Rico?

    Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Puerto Rico. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.

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

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

  • How can I find direct flights from Santa Rosa to Puerto Rico?

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

  • Can I find deals for business class flights from Santa Rosa to Puerto Rico?

    Yes. Cheapflights offers flight deals from Santa Rosa to Puerto Rico 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 Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Santa Rosa to Puerto Rico (average of $254). Flying from Santa Rosa to Puerto Rico 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
Los Angeles to Castries flights
San Francisco to Castries flights
Las Vegas to Castries flights
Los Angeles to Montego Bay flights
Ontario to Luis Munoz Marin Intl flights
San Francisco to Punta Cana flights
Los Angeles to Punta Cana flights
Los Angeles to Nassau flights
San Diego to Luis Munoz Marin Intl flights
San Francisco to Montego Bay flights
Los Angeles to Oranjestad flights
Las Vegas to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
Los Angeles to Santo Domingo flights
Los Angeles to Providenciales flights
San Francisco to Nassau flights
Santa Ana to Luis Munoz Marin Intl flights
Los Angeles to Saint Thomas Island flights
Los Angeles to Simpson Bay flights
Sacramento to Luis Munoz Marin Intl flights
Ontario to Punta Cana flights
Los Angeles to Bridgetown flights
San Jose to Luis Munoz Marin Intl flights
Las Vegas to Montego Bay flights
Los Angeles to George Town flights
Los Angeles to Willemstad flights
San Francisco to Saint Thomas Island flights
San Francisco to Santo Domingo flights
Ontario to Nassau flights
Ontario to Montego Bay flights
San Francisco to Oranjestad flights
San Francisco to Simpson Bay flights
Los Angeles to Port of Spain flights
Oakland to Luis Munoz Marin Intl flights
San Francisco to Providenciales flights
San Francisco to George Town flights
Ontario to Oranjestad flights
Los Angeles to Puerto Plata flights
Los Angeles to Kingston flights
San Francisco to Kingston flights
San Francisco to Willemstad flights
Burbank to Punta Cana flights
Las Vegas to Santo Domingo flights
Las Vegas to Punta Cana flights
San Diego to Punta Cana flights
Ontario to Saint Thomas Island flights
Los Angeles to Santiago de los Caballeros flights
Las Vegas to Nassau flights

Top airline flying from Santa Rosa to Puerto Rico

Discover the top airline that operate flights from Santa Rosa to Puerto Rico. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$394Average$874FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.