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$197+ Cheap flights from Santa Rosa (STS) to Costa Rica

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$359
(Trip.com)

One-way from

$197
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$678
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 ($134 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 January 2026
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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 January 6, 2026.

This Trip.com deal was found by Cheapflights users on 1/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:48 pmSTS - SJO
2 stops25h 27mMultiple Airlines
Tue 3/106:00 amSJO - STS
2 stops29h 11mMultiple Airlines
Deal found 1/6$359
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 2/206:50 pmSTS - LIR
2 stops22h 19mAlaska Airlines
Fri 2/277:08 pmLIR - STS
1 stop17h 03mAlaska Airlines
Deal found 1/6$426
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 3/27:00 amSTS - SJO
1 stop15h 07mAlaska Airlines
Mon 3/91:28 amSJO - STS
2 stops16h 19mAlaska Airlines
Deal found 1/6$484
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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.
Thu 2/57:00 amSTS - SJO
1 stop14h 59mAlaska Airlines
Tue 2/101:16 amSJO - STS
1 stop11h 09mAlaska Airlines
Deal found 1/6$488
This Alaska Airlines deal was found by Cheapflights users on 1/5. 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 1/267:00 amSTS - SJO
1 stop14h 59mAlaska Airlines
Thu 1/291:16 amSJO - STS
1 stop23h 42mAlaska Airlines
Deal found 1/5$494
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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.
Tue 3/37:00 amSTS - SJO
1 stop15h 07mAlaska Airlines
Wed 3/111:28 amSJO - STS
2 stops32h 46mAlaska Airlines
Deal found 1/6$497
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 2/161:03 pmSTS - SJO
2 stops22h 47mAmerican Airlines
Tue 3/33:59 pmSJO - STS
2 stops22h 34mAmerican Airlines
Deal found 1/5$503
This Alaska Airlines deal was found by Cheapflights users on 1/5. 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.
Thu 2/198:00 amSTS - LIR
2 stops31h 58mAlaska Airlines
Thu 2/268:05 amLIR - STS
1 stop17h 52mAlaska Airlines
Deal found 1/5$510
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 2/164:23 pmSTS - SJO
2 stops19h 27mAmerican Airlines
Mon 3/22:55 pmSJO - STS
2 stops26h 52mAmerican Airlines
Deal found 1/5$528
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 2/161:03 pmSTS - SJO
2 stops22h 47mAmerican Airlines
Sat 2/2812:35 amSJO - STS
2 stops17h 18mAmerican Airlines
Deal found 1/5$533
This Expedia deal was found by Cheapflights users on 1/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 amSTS - LIR
1 stop9h 45mAlaska Airlines
Sun 11/1510:00 amLIR - STS
1 stop10h 07mAlaska Airlines
Deal found 1/6$536
This Alaska Airlines deal was found by Cheapflights users on 1/6. 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 2/227:48 pmSTS - SJO
1 stop26h 19mAlaska Airlines
Tue 2/241:27 amSJO - STS
1 stop10h 44mAlaska Airlines
Deal found 1/6$550

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 January 6, 2026.
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

Fri 2/20

6:50 pm-7:09 pm

2 stops22h 19m

Liberia

Fri 2/27

7:08 pm-10:11 am

1 stop17h 03m

$426

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Wed 2/18

1:03 pm-10:24 am

2 stops19h 21m

San José Juan Santamaria Intl

Tue 3/3

3:59 pm-3:53 pm

2 stops25h 54m

$503

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Thu 2/19

4:23 pm-10:24 am

2 stops16h 01m

San José Juan Santamaria Intl

Tue 3/3

3:59 pm-12:33 pm

2 stops22h 34m

$503

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 2/17

1:03 pm-1:55 pm

2 stops22h 52m

San José Juan Santamaria Intl

Tue 3/3

3:59 pm-12:33 pm

2 stops22h 34m

$503

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Thu 2/19

8:00 am-5:58 pm

2 stops31h 58m

Liberia

Thu 2/26

8:05 am-11:57 pm

1 stop17h 52m

$510

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Thu 3/19

7:05 am-5:02 pm

1 stop8h 57m

Liberia

Fri 3/20

6:12 pm-11:59 pm

1 stop30h 47m

$524

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Wed 2/18

1:03 pm-10:24 am

2 stops19h 21m

San José Juan Santamaria Intl

Sun 3/1

12:35 am-12:33 pm

2 stops13h 58m

$528

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 2/17

4:17 pm-1:55 pm

2 stops19h 38m

San José Juan Santamaria Intl

Mon 3/2

2:55 pm-3:47 pm

2 stops26h 52m

$528

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Mon 2/16

4:23 pm-1:50 pm

2 stops19h 27m

San José Juan Santamaria Intl

Mon 3/2

2:55 pm-3:47 pm

2 stops26h 52m

$528

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Mon 2/16

1:03 pm-1:50 pm

2 stops22h 47m

San José Juan Santamaria Intl

Sat 2/28

12:35 am-3:53 pm

2 stops17h 18m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 30 results
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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, May is the cheapest month in which you can book a flight from Santa Rosa to Costa Rica (average of $172). Flying from Santa Rosa to Costa Rica in June is currently the most expensive (average of $407). 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 January 6, 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
8.0
Very good
11,648 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,648 reviews
Alaska Airlines
8.0
Very good
11,648 reviews

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 19h 21m. Your travel time can differ by up to 2h 58m. There are 3089 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 $172). Flying from Santa Rosa to Costa Rica in June is currently the most expensive (average of $407). 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$646FlexibilityNo cancel feeOn-time75%

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