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$495+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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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 June 30, 2025.

Round-trip from

$495
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$667
From Santa Rosa Sonoma County to Costa Rica
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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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 June 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 7/217:23 pmSTS - LIR
1 stop19h 30mAlaska Airlines
Fri 7/254:58 pmLIR - STS
1 stop19h 08mAlaska Airlines
Deal found 6/30$495
This American Airlines deal was found by Cheapflights users on 6/28. 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 11/262:32 pmSTS - SJO
2 stops27h 30mAmerican Airlines
Fri 12/53:50 pmSJO - STS
2 stops26h 04mAmerican Airlines
Deal found 6/28$502
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/194:16 pmSTS - LIR
2 stops19h 44mAmerican Airlines
Mon 7/282:25 pmLIR - STS
2 stops22h 15mAmerican Airlines
Deal found 6/28$519
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 11/288:00 amSTS - SJO
2 stops37h 00mAlaska Airlines
Thu 12/42:26 amSJO - STS
1 stop22h 09mAlaska Airlines
Deal found 6/28$599

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 June 30, 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

Mon 7/21

7:23 pm-3:53 pm

1 stop19h 30m

Liberia

Fri 7/25

4:58 pm-11:06 am

1 stop19h 08m

$495

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Wed 11/26

2:32 pm-8:02 pm

2 stops27h 30m

San José Juan Santamaria Intl

Fri 12/5

3:50 pm-3:54 pm

2 stops26h 04m

$502

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sat 7/19

4:16 pm-1:00 pm

2 stops19h 44m

Liberia

Mon 7/28

2:25 pm-11:40 am

2 stops22h 15m

$519

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Fri 11/28

8:00 am-11:00 pm

2 stops37h 00m

San José Juan Santamaria Intl

Thu 12/4

2:26 am-10:35 pm

1 stop22h 09m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 30, 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.

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 June 30, 2025.
See what other customers who have flown with Alaska Airlines and American Airlines from Santa Rosa to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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 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.

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Alternative routes for Santa Rosa to Costa Rica

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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$458Average$663FlexibilityNo cancel feeOn-time75%

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