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Cheap flights from Santa Rosa (STS) to Costa Rica

STS — SJO
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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Find 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 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$483
(Alaska Airlines)

One-way from

$247
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$618
Provider with most accurate pricing for San Francisco-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-San José Juan Santamaria Intl flights.
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From Santa Rosa Sonoma County to Costa Rica
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One-way flight from Santa Rosa Sonoma County to Costa Rica
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Highest demand for flights based on searches. 17% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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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, May is the cheapest month in which you can book a flight from Santa Rosa to Costa Rica (average of $164). Flying from Santa Rosa to Costa Rica in July is currently the most expensive (average of $418). 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 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 2, 2026.
See what other customers who have flown with Alaska 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
7.9
Good
12,152 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,152 reviews
Alaska Airlines
7.9
Good
12,152 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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.

  • How long is the flight from Santa Rosa to Costa Rica?

    Alaska Airlines and American Airlines can get you from Santa Rosa to Costa Rica in just under 9h 27m. Your travel time can differ by up to 12h 05m. There are 2997 mi between Santa Rosa and Costa Rica. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Santa Rosa to Costa Rica (average of $164). Flying from Santa Rosa to Costa Rica in July is currently the most expensive (average of $418). 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 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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$646FlexibilityNo cancel feeOn-time75%

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