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$451+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$451
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$524
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. 6% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:03 amSTS - SJO
2 stops15h 12mMultiple Airlines
Thu 10/26:10 amSJO - STS
2 stops18h 49mMultiple Airlines
Deal found 8/13$451
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 12/168:00 amSTS - LIR
1 stop8h 35mAlaska Airlines
Thu 1/87:45 pmLIR - STS
1 stop19h 11mAlaska Airlines
Deal found 8/14$537
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 12/13:45 pmSTS - SJO
1 stop29h 15mAlaska Airlines
Wed 12/171:30 amSJO - STS
1 stop15h 43mAlaska Airlines
Deal found 8/13$542
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 12/168:00 amSTS - LIR
1 stop8h 35mAlaska Airlines
Wed 1/77:45 pmLIR - STS
1 stop19h 11mAlaska Airlines
Deal found 8/14$579
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 12/1612:44 pmSTS - SJO
2 stops21h 21mAmerican Airlines
Thu 1/83:50 pmSJO - STS
2 stops22h 38mAmerican Airlines
Deal found 8/14$649
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 12/1612:44 pmSTS - SJO
2 stops21h 21mAmerican Airlines
Wed 1/73:50 pmSJO - STS
2 stops22h 38mAmerican Airlines
Deal found 8/14$699
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 12/176:15 pmSTS - LIR
1 stop10h 30mAlaska Airlines
Thu 1/87:45 pmLIR - STS
1 stop19h 11mAlaska Airlines
Deal found 8/14$732
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 12/223:53 pmSTS - LIR
1 stop24h 04mAlaska Airlines
Thu 1/87:45 pmLIR - STS
1 stop19h 11mAlaska Airlines
Deal found 8/14$741
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 12/171:30 pmSTS - LIR
1 stop15h 15mAlaska Airlines
Wed 1/77:45 pmLIR - STS
1 stop19h 11mAlaska Airlines
Deal found 8/14$774
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 12/226:37 pmSTS - LIR
1 stop21h 20mAlaska Airlines
Wed 1/77:45 pmLIR - STS
1 stop19h 11mAlaska Airlines
Deal found 8/14$783
This American Airlines deal was found by Cheapflights users on 8/14. 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 12/1712:44 pmSTS - LIR
2 stops21h 46mAmerican Airlines
Thu 1/82:59 pmLIR - STS
2 stops47h 29mAmerican Airlines
Deal found 8/14$784
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 11/201:18 pmSTS - SJO
2 stops21h 04mAmerican Airlines
Mon 12/11:23 pmSJO - STS
2 stops24h 43mAmerican Airlines
Deal found 8/14$804

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 August 14, 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 RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Thu 9/25

7:03 am-11:15 pm

2 stops15h 12m

San José Juan Santamaria Intl

Thu 10/2

6:10 am-11:59 pm

2 stops18h 49m

$451

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 12/16

8:00 am-6:35 pm

1 stop8h 35m

Liberia

Thu 1/8

7:45 pm-12:56 pm

1 stop19h 11m

$537

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Mon 12/1

3:45 pm-11:00 pm

1 stop29h 15m

San José Juan Santamaria Intl

Wed 12/17

1:30 am-3:13 pm

1 stop15h 43m

$542

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 12/16

8:00 am-6:35 pm

1 stop8h 35m

Liberia

Wed 1/7

7:45 pm-12:56 pm

1 stop19h 11m

$579

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 12/16

12:44 pm-12:05 pm

2 stops21h 21m

San José Juan Santamaria Intl

Thu 1/8

3:50 pm-12:28 pm

2 stops22h 38m

$649

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 12/16

12:44 pm-12:05 pm

2 stops21h 21m

San José Juan Santamaria Intl

Wed 1/7

3:50 pm-12:28 pm

2 stops22h 38m

$699

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Wed 12/17

6:15 pm-6:45 am

1 stop10h 30m

Liberia

Thu 1/8

7:45 pm-12:56 pm

1 stop19h 11m

$732

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Mon 12/22

3:53 pm-5:57 pm

1 stop24h 04m

Liberia

Thu 1/8

7:45 pm-12:56 pm

1 stop19h 11m

$741

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 12/16

8:00 am-6:35 pm

1 stop8h 35m

Liberia

Tue 1/6

7:07 pm-12:56 pm

1 stop19h 49m

$774

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Wed 12/17

1:30 pm-6:45 am

1 stop15h 15m

Liberia

Wed 1/7

7:45 pm-12:56 pm

1 stop19h 11m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
1
2

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 August 14, 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 August 14, 2025.
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
10,000 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

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

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

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.

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$595FlexibilityNo cancel feeOn-time75%

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