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Costa Rica

$234+ 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 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 20, 2026.

This Expedia deal was found by Cheapflights users on 1/19. 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.
Sun 3/17:00 am
STS
-
LIR
1 stop21h 45m
Alaska Airlines
Thu 3/58:05 am
LIR
-
STS
1 stop17h 52m
Alaska Airlines
Deal found 1/19$379
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/207:05 am
STS
-
SJO
1 stop15h 48m
Alaska Airlines
Thu 4/2312:55 am
SJO
-
STS
1 stop23h 06m
Alaska Airlines
Deal found 1/20$405
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/197:05 am
STS
-
SJO
1 stop15h 48m
Alaska Airlines
Mon 4/2712:55 am
SJO
-
STS
1 stop24h 04m
Alaska Airlines
Deal found 1/20$430
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 5/87:00 am
STS
-
SJO
1 stop15h 45m
Alaska Airlines
Fri 5/1512:53 am
SJO
-
STS
1 stop21h 29m
Alaska Airlines
Deal found 1/18$431
This American Airlines deal was found by Cheapflights users on 1/19. 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 3/14:23 pm
STS
-
LIR
2 stops20h 02m
American Airlines
Thu 3/53:29 pm
LIR
-
STS
2 stops23h 04m
American Airlines
Deal found 1/19$437
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 5/96:51 pm
STS
-
SJO
1 stop27h 54m
Alaska Airlines
Fri 5/1512:53 am
SJO
-
STS
1 stop21h 29m
Alaska Airlines
Deal found 1/18$438
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/912:55 pm
STS
-
SJO
2 stops31h 35m
American Airlines
Thu 2/1211:24 am
SJO
-
STS
2 stops30h 29m
American Airlines
Deal found 1/19$451
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 4/187:53 pm
STS
-
SJO
1 stop27h 00m
Alaska Airlines
Thu 4/2312:55 am
SJO
-
STS
1 stop23h 06m
Alaska Airlines
Deal found 1/20$457
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/207:53 pm
STS
-
SJO
1 stop27h 00m
Alaska Airlines
Mon 4/2712:55 am
SJO
-
STS
2 stops42h 11m
Alaska Airlines
Deal found 1/20$468
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/217:05 am
STS
-
SJO
1 stop15h 48m
Alaska Airlines
Mon 4/2712:55 am
SJO
-
STS
2 stops42h 11m
Alaska Airlines
Deal found 1/20$469
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 5/87:00 am
STS
-
SJO
1 stop15h 45m
Alaska Airlines
Sat 5/1612:53 am
SJO
-
STS
1 stop21h 29m
Alaska Airlines
Deal found 1/18$475
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 5/96:51 pm
STS
-
SJO
1 stop27h 54m
Alaska Airlines
Sat 5/1612:53 am
SJO
-
STS
1 stop21h 29m
Alaska Airlines
Deal found 1/18$481

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 January 20, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$379
(Expedia)

One-way from

$234
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$657
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
One-way flight from Santa Rosa Sonoma County to Costa Rica
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 20, 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

Sun 3/1

7:00 am-6:45 am

1 stop21h 45m

Liberia

Thu 3/5

8:05 am-11:57 pm

1 stop17h 52m

$379

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Sun 4/19

7:05 am-11:53 pm

1 stop15h 48m

San José Juan Santamaria Intl

Thu 4/23

12:55 am-11:01 pm

1 stop23h 06m

$430

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Fri 5/8

7:00 am-11:45 pm

1 stop15h 45m

San José Juan Santamaria Intl

Fri 5/15

12:53 am-9:22 pm

1 stop21h 29m

$431

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sun 3/1

4:23 pm-2:25 pm

2 stops20h 02m

Liberia

Thu 3/5

3:29 pm-12:33 pm

2 stops23h 04m

$437

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Sat 5/9

6:51 pm-11:45 pm

1 stop27h 54m

San José Juan Santamaria Intl

Fri 5/15

12:53 am-9:22 pm

1 stop21h 29m

$438

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Sat 4/18

7:53 pm-11:53 pm

1 stop27h 00m

San José Juan Santamaria Intl

Mon 4/27

12:55 am-11:59 pm

1 stop24h 04m

$457

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Fri 5/8

7:00 am-11:45 pm

1 stop15h 45m

San José Juan Santamaria Intl

Sat 5/16

12:53 am-9:22 pm

1 stop21h 29m

$475

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Sun 4/19

7:05 am-11:53 pm

1 stop15h 48m

San José Juan Santamaria Intl

Mon 4/27

12:55 am-6:06 pm

2 stops42h 11m

$494

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 2/10

4:23 pm-10:30 pm

2 stops28h 07m

San José Juan Santamaria Intl

Fri 2/20

8:00 am-12:33 pm

2 stops30h 33m

$529

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Sat 4/18

7:53 pm-11:53 pm

1 stop27h 00m

San José Juan Santamaria Intl

Thu 4/23

12:55 am-6:06 pm

2 stops42h 11m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 27 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 $408). 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 20, 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
11,760 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,760 reviews
Alaska Airlines
8.0
Very good
11,760 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 20h 02m. Your travel time can differ by up to 1h 43m. 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 $172). Flying from Santa Rosa to Costa Rica in June is currently the most expensive (average of $408). 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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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$646FlexibilityNo cancel feeOn-time75%

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