Costa Rica

$472+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Aug 1 — Aug 81
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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 July 2, 2026.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 12/54:26 pm
STS
-
LIR
2 stops20h 19m
American Airlines
Sat 12/193:10 pm
LIR
-
STS
2 stops23h 19m
American Airlines
Deal found 6/30$472
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 12/54:26 pm
STS
-
LIR
2 stops20h 19m
American Airlines
Sun 12/203:13 pm
LIR
-
STS
2 stops23h 16m
American Airlines
Deal found 6/30$477
This American Airlines deal was found by Cheapflights users on 7/1. 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 10/224:23 pm
STS
-
LIR
2 stops20h 20m
American Airlines
Wed 10/282:45 pm
LIR
-
STS
2 stops22h 28m
American Airlines
Deal found 7/1$497
This oojo deal was found by Cheapflights users on 6/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
STS
-
SJO
2 stops16h 15m
Multiple Airlines
Tue 8/189:40 am
SJO
-
STS
2 stops26h 41m
Multiple Airlines
Deal found 6/27$501
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Sat 7/256:00 am
STS
-
SJO
2 stops16h 15m
Multiple Airlines
Tue 8/45:45 am
SJO
-
STS
2 stops30h 00m
Multiple Airlines
Deal found 6/29$513
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:23 pm
STS
-
LIR
1 stop8h 59m
Alaska Airlines
Sun 12/207:35 pm
LIR
-
STS
1 stop17h 32m
Alaska Airlines
Deal found 6/30$554
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 11/107:00 am
STS
-
LIR
1 stop9h 55m
Alaska Airlines
Fri 11/1310:00 am
LIR
-
STS
1 stop13h 34m
Alaska Airlines
Deal found 6/27$556
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Sat 11/1412:38 pm
STS
-
LIR
2 stops21h 38m
American Airlines
Wed 11/183:10 pm
LIR
-
STS
2 stops26h 43m
American Airlines
Deal found 6/27$559
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 11/25:30 pm
STS
-
LIR
1 stop23h 25m
Alaska Airlines
Thu 11/510:00 am
LIR
-
STS
1 stop13h 34m
Alaska Airlines
Deal found 6/30$564
This Gotogate deal was found by Cheapflights users on 6/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
STS
-
SJO
1 stop16h 46m
Multiple Airlines
Thu 8/205:45 am
SJO
-
STS
2 stops13h 31m
Multiple Airlines
Deal found 6/28$575
This American Airlines deal was found by Cheapflights users on 6/27. 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 11/101:18 pm
STS
-
LIR
2 stops46h 55m
American Airlines
Wed 11/183:10 pm
LIR
-
STS
2 stops26h 43m
American Airlines
Deal found 6/27$580
This American Airlines deal was found by Cheapflights users on 6/27. 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 11/1212:38 pm
STS
-
LIR
2 stops24h 07m
American Airlines
Wed 11/183:10 pm
LIR
-
STS
2 stops26h 43m
American Airlines
Deal found 6/27$588

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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$472
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$763
Provider with most accurate pricing for San Francisco-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-San José Juan Santamaria Intl flights.
From Santa Rosa Sonoma County to Costa Rica
Highest demand for flights based on searches. 12% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in July 2026

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 July 2, 2026.
Use the filters below to find and compare flights from Santa Rosa to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 8/11

6:00 am-11:15 pm

2 stops16h 15m

San José Juan Santamaria Intl

Tue 8/18

9:40 am-11:21 am

2 stops26h 41m

$501
Quickest round-trip

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 11/10

7:00 am-6:55 pm

1 stop9h 55m

Liberia

Fri 11/13

10:00 am-9:34 pm

1 stop13h 34m

$556

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 11/10

7:00 am-6:55 pm

1 stop9h 55m

Liberia

Thu 11/12

10:00 am-9:34 pm

1 stop13h 34m

$556

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Mon 11/2

5:30 pm-6:55 pm

1 stop23h 25m

Liberia

Thu 11/5

10:00 am-9:34 pm

1 stop13h 34m

$564

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Wed 12/2

4:26 pm-2:45 pm

2 stops20h 19m

Liberia

Sun 12/20

3:13 pm-12:29 pm

2 stops23h 16m

$596

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Sat 12/5

2:05 pm-6:22 am

1 stop14h 17m

Liberia

Sat 12/19

7:35 pm-11:07 am

1 stop17h 32m

$611

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Mon 11/2

5:30 pm-11:08 pm

1 stop27h 38m

San José Juan Santamaria Intl

Tue 11/3

1:43 am-11:40 am

1 stop11h 57m

$658

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Wed 7/22

6:00 am-11:46 pm

1 stop16h 46m

San José Juan Santamaria Intl

Mon 7/27

1:06 am-10:45 am

1 stop10h 39m

$851

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Mon 7/20

11:35 am-11:46 pm

1 stop11h 11m

San José Juan Santamaria Intl

Sat 7/25

1:06 am-6:43 pm

1 stop18h 37m

$856
Cheapest one-way
Quickest one-way

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 12/22

7:23 pm-8:35 am

2 stops11h 12m

$1,199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 resultsSorted by cheapest first
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
No data available for this route at this time. Please check back soon.

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 July 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.

Food

7.1

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

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

Food

7.1

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.0

Comfort

7.8

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 can get you from Santa Rosa to Costa Rica in just under 9h 55m. Your travel time can differ by up to . There are 2997 mi between Santa Rosa and Costa Rica.

  • 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.

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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$628FlexibilityNo cancel feeOn-time75%

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