In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest time of day to fly from PR to STS?

When flying from Puerto Rico to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Santa Rosa from Puerto Rico?

Santa Rosa Sonoma County (STS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Puerto Rico to Santa Rosa.

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

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

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

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

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

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

$426+ Flights from Puerto Rico to Santa Rosa

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Cheap flight deals from Puerto Rico to Santa Rosa

One-way flights from Puerto Rico to Santa Rosa
Search for one-way flight options from Puerto Rico to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated January 22, 2026.

Mon 3/162:42 am

BQN

STS

3 stops34h 48m

Multiple Airlines

Deal found 1/22

$426

Tue 3/172:42 am

BQN

STS

3 stops42h 19m

Multiple Airlines

Deal found 1/22

$561

Sun 3/222:52 am

BQN

STS

3 stops34h 38m

Multiple Airlines

Deal found 1/22

$633

Wed 3/182:42 am

BQN

STS

3 stops42h 19m

Multiple Airlines

Deal found 1/22

$690

Thu 3/192:42 am

BQN

STS

3 stops58h 48m

Multiple Airlines

Deal found 1/22

$1,005

Fri 3/202:42 am

BQN

STS

3 stops34h 48m

Multiple Airlines

Deal found 1/22

$1,064

Sat 3/212:42 am

BQN

STS

3 stops42h 19m

Multiple Airlines

Deal found 1/22

$1,118

Find flight deals from Puerto Rico to Santa Rosa

Popular in	January
Cheapest in	December
Average price	$888

Highest demand for flights based on searches. 15% potential increase in price ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Puerto Rico to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AguadillaSanta Rosa

BQN - STS

BQNSTS

Aguadilla Borinquen

Mon 3/16

2:42 am-10:30 am

3 stops34h 48m

$426

AguadillaSanta Rosa

BQN - STS

BQNSTS

Aguadilla Borinquen

Sun 3/22

2:52 am-10:30 am

3 stops34h 38m

$633

AguadillaSanta Rosa

BQN - STS

BQNSTS

Aguadilla Borinquen

Wed 3/18

2:42 am-6:01 pm

3 stops42h 19m

$690

AguadillaSanta Rosa

BQN - STS

BQNSTS

Aguadilla Borinquen

Thu 3/19

2:42 am-10:30 am

3 stops58h 48m

$1,005

AguadillaSanta Rosa

BQN - STS

BQNSTS

Aguadilla Borinquen

Fri 3/20

2:42 am-10:30 am

3 stops34h 48m

$1,064

AguadillaSanta Rosa

BQN - STS

BQNSTS

Aguadilla Borinquen

Sat 3/21

2:42 am-6:01 pm

3 stops42h 19m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

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

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

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

Currently, March is the cheapest month in which you can book a flight from Puerto Rico to Santa Rosa (average of $180). Flying from Puerto Rico to Santa Rosa in July is currently the most expensive (average of $366). 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.

Related info for your journey

What airport do you fly into for flights to Santa Rosa from Puerto Rico?
Santa Rosa Sonoma County (STS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Puerto Rico to Santa Rosa.
Can I find deals for flights from Puerto Rico to Santa Rosa that include hotel bookings?
Yes. In addition to deals on Puerto Rico to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Puerto Rico to Santa Rosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Santa Rosa.
Can I find deals for business class flights from Puerto Rico to Santa Rosa?
Yes. Cheapflights offers flight deals from Puerto Rico to Santa Rosa 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 Puerto Rico to Santa Rosa?
Currently, March is the cheapest month in which you can book a flight from Puerto Rico to Santa Rosa (average of $180). Flying from Puerto Rico to Santa Rosa in July is currently the most expensive (average of $366). 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.

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$426+ Cheap flights from Puerto Rico to Santa Rosa (STS)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Puerto Rico to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Puerto Rico to Santa Rosa

One-way flights from Puerto Rico to Santa RosaSearch for one-way flight options from Puerto Rico to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated January 22, 2026.

Search for one-way flight options from Puerto Rico to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated January 22, 2026.

Find flight deals from Puerto Rico to Santa Rosa

Keep the following information in mind while searching for Puerto Rico to Santa Rosa flight deals. Data was last updated January 22, 2026.

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Puerto Rico to Santa Rosa that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Puerto Rico with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to Santa Rosa

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

Related info for your journey

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

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

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

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

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

Traveling to a place near Santa Rosa?

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One-way flights from Puerto Rico to Santa Rosa
Search for one-way flight options from Puerto Rico to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated January 22, 2026.