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Costa Rica

$401+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/4. 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 12/304:21 pmSTS - LIR
2 stops17h 55mAmerican Airlines
Thu 1/11:28 pmLIR - STS
2 stops25h 01mAmerican Airlines
Deal found 12/4$832
This Alaska Airlines deal was found by Cheapflights users on 12/4. 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 12/296:37 pmSTS - LIR
1 stop9h 43mAlaska Airlines
Tue 1/67:07 pmLIR - STS
1 stop17h 18mAlaska Airlines
Deal found 12/4$887
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/247:00 amSTS - LIR
2 stops27h 26mAmerican Airlines
Tue 12/303:28 pmLIR - STS
2 stops23h 01mAmerican Airlines
Deal found 12/4$906
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/294:21 pmSTS - LIR
2 stops20h 06mAmerican Airlines
Mon 1/53:28 pmLIR - STS
2 stops26h 25mAmerican Airlines
Deal found 12/4$914
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/294:21 pmSTS - LIR
2 stops20h 06mAmerican Airlines
Tue 1/63:23 pmLIR - STS
2 stops44h 33mAmerican Airlines
Deal found 12/4$917
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/214:21 pmSTS - LIR
2 stops18h 05mAmerican Airlines
Fri 12/261:28 pmLIR - STS
2 stops25h 01mAmerican Airlines
Deal found 12/3$925
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/293:53 pmSTS - LIR
2 stops16h 52mAmerican Airlines
Wed 12/313:13 pmLIR - STS
2 stops35h 05mAmerican Airlines
Deal found 12/4$941
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/247:00 amSTS - LIR
2 stops27h 26mAmerican Airlines
Mon 12/293:28 pmLIR - STS
2 stops34h 50mAmerican Airlines
Deal found 12/4$965
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/293:53 pmSTS - LIR
2 stops16h 52mAmerican Airlines
Thu 1/11:28 pmLIR - STS
2 stops28h 23mAmerican Airlines
Deal found 12/4$991
This Alaska Airlines deal was found by Cheapflights users on 12/4. 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 12/277:00 amSTS - LIR
2 stops32h 13mAlaska Airlines
Mon 12/297:40 amLIR - STS
1 stop18h 38mAlaska Airlines
Deal found 12/4$999
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/247:00 amSTS - LIR
2 stops27h 26mAmerican Airlines
Wed 12/313:13 pmLIR - STS
2 stops35h 05mAmerican Airlines
Deal found 12/4$1,014
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/247:00 amSTS - LIR
2 stops27h 26mAmerican Airlines
Thu 1/11:28 pmLIR - STS
2 stops28h 23mAmerican Airlines
Deal found 12/4$1,032

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 December 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$401
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$976
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
Highest demand for flights based on searches. 17% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 4, 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

Sun 2/15

1:00 pm-12:28 pm

2 stops21h 28m

Liberia

Fri 2/20

3:18 pm-12:30 pm

2 stops23h 12m

$401

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Thu 1/29

4:23 pm-2:20 pm

2 stops19h 57m

Liberia

Mon 2/2

3:23 pm-3:53 pm

2 stops26h 30m

$411

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Mon 2/16

4:27 pm-2:18 pm

2 stops19h 51m

Liberia

Thu 2/19

3:25 pm-3:57 pm

2 stops26h 32m

$416

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sat 2/14

4:27 pm-12:28 pm

2 stops42h 01m

Liberia

Fri 2/20

3:18 pm-3:57 pm

2 stops26h 39m

$416

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sun 2/15

7:48 pm-5:58 pm

1 stop20h 10m

Liberia

Thu 2/19

7:08 pm-9:14 am

2 stops40h 06m

$425

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Mon 1/19

7:00 am-6:01 pm

1 stop9h 01m

Liberia

Thu 1/29

11:20 am-10:58 pm

1 stop13h 38m

$435

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Mon 2/9

7:00 am-6:01 pm

1 stop9h 01m

Liberia

Wed 2/11

11:20 am-10:11 am

1 stop24h 51m

$442

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sun 2/15

7:48 pm-5:58 pm

1 stop20h 10m

Liberia

Mon 2/23

7:08 pm-10:11 am

1 stop17h 03m

$448

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Wed 2/25

7:00 am-12:07 am

1 stop15h 07m

San José Juan Santamaria Intl

Mon 3/9

1:28 am-4:47 pm

2 stops16h 19m

$461

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Thu 2/26

7:00 am-12:07 am

1 stop15h 07m

San José Juan Santamaria Intl

Mon 3/9

1:28 am-4:47 pm

2 stops16h 19m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 24 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 $185). Flying from Santa Rosa to Costa Rica in June is currently the most expensive (average of $402). 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 December 4, 2025.

When flying from Santa Rosa to Costa Rica, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the afternoon.

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 December 4, 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
11,402 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,402 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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?

    American Airlines and Alaska Airlines can get you from Santa Rosa to Costa Rica in just under 20h 10m. Your travel time can differ by up to 1h 18m. 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 $185). Flying from Santa Rosa to Costa Rica in June is currently the most expensive (average of $402). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$646FlexibilityNo cancel feeOn-time75%

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