HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$494+ Cheap flights from Santa Rosa (STS) to Costa Rica

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Costa Rica 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 Costa Rica

Keep the following information in mind while searching for Santa Rosa to Costa Rica flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$494
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$588
Provider with most accurate pricing for San Francisco-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San José Juan Santamaria Intl flights.
Search Deals
From Santa Rosa Sonoma County to Costa Rica
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Santa Rosa to Costa Rica

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

This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 9/710:28 amSTS - LIR
2 stops18h 52mAlaska Airlines
Fri 9/1211:20 amLIR - STS
1 stop24h 49mAlaska Airlines
Deal found 4/17$494
This American Airlines deal was found by Cheapflights users on 4/17. 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 9/74:19 pmSTS - LIR
2 stops17h 56mAmerican Airlines
Fri 9/1212:55 pmLIR - STS
2 stops24h 29mAmerican Airlines
Deal found 4/17$571
This American Airlines deal was found by Cheapflights users on 4/17. 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 4/184:17 pmSTS - SJO
2 stops19h 28mAmerican Airlines
Sun 4/2711:59 pmSJO - STS
2 stops13h 18mAmerican Airlines
Deal found 4/17$900
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Fri 4/182:35 pmSTS - SJO
1 stop8h 37mAlaska Airlines
Sat 4/261:12 amSJO - STS
1 stop10h 52mAlaska Airlines
Deal found 4/17$1,012

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa to Costa Rica 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 April 17, 2025.
Use the filters below to find and compare flights from Santa Rosa to Costa Rica that are best for you.

Fly from

Santa Rosa

Fly to

Costa Rica

Route

Depart

Return

Price

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sun 9/7

10:28 am-6:20 am

2 stops18h 52m

Liberia

Fri 9/12

11:20 am-11:09 am

1 stop24h 49m

$494

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sun 9/7

4:19 pm-11:15 am

2 stops17h 56m

Liberia

Fri 9/12

12:55 pm-12:24 pm

2 stops24h 29m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Santa Rosa to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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 Costa Rica

What is the cheapest month to book a flight from Santa Rosa to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Santa Rosa to Costa Rica (average of $398). Flying from Santa Rosa to Costa Rica in March is currently the most expensive (average of $555). 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.

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

Find hourly flight availability from Santa Rosa to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to Costa Rica as you normally would.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated April 17, 2025.
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Costa Rica. 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 Costa Rica?

    Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Costa Rica. 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 Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Santa Rosa to Costa Rica?

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

  • Can I find deals for business class flights from Santa Rosa to Costa Rica?

    Yes. Cheapflights offers flight deals from Santa Rosa to Costa Rica 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 Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Santa Rosa to Costa Rica (average of $398). Flying from Santa Rosa to Costa Rica in March is currently the most expensive (average of $555). 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 Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to San José flights
Los Angeles to San Salvador flights
Los Angeles to Guatemala City flights
San Francisco to San José flights
Los Angeles to Liberia flights
Los Angeles to Panama City flights
Ontario to San Salvador flights
Ontario to Guatemala City flights
Los Angeles to Philip S.W.Goldson flights
San Francisco to Panama City flights
Burbank to Guatemala City flights
Ontario to San José flights
Los Angeles to Managua flights
San Francisco to Guatemala City flights
San Francisco to San Salvador flights
San Francisco to Liberia flights
San Francisco to Managua flights
San Francisco to Philip S.W.Goldson flights
Burbank to San José flights
Oakland to San José flights
Ontario to Liberia flights
Burbank to San Salvador flights
Oakland to San Salvador flights
Ontario to Panama City flights
San Diego to San José flights
Las Vegas to Panama City flights
Las Vegas to San José flights
Los Angeles to San Pedro Sula flights
Ontario to Philip S.W.Goldson flights
San Jose to San José flights
Las Vegas to San Salvador flights
Reno to San José flights
Ontario to Managua flights
Sacramento to San José flights
San Diego to Panama City flights
Oakland to Guatemala City flights
San Diego to Liberia flights
San Jose to Liberia flights
San Diego to Philip S.W.Goldson flights
Las Vegas to Liberia flights
San Diego to San Salvador flights
Santa Ana to San José flights
Los Angeles to Coxen Hole flights
Ontario to San Pedro Sula flights
Santa Ana to Guatemala City flights
San Diego to Managua flights
Santa Ana to Liberia flights
Las Vegas to Guatemala City flights
Sacramento to San Salvador flights
Sacramento to Liberia flights

Top airline flying from Santa Rosa to Costa Rica

Discover the top airline that operate flights from Santa Rosa to Costa Rica. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$458Average$709FlexibilityNo cancel feeOn-time75%

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.