Costa Rica

$254+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SJO
Jul 4 — Jul 111
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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 June 4, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 7/275:35 pm
STS
-
LIR
1 stop12h 02m
Alaska Airlines
Tue 8/46:39 pm
LIR
-
STS
1 stop17h 06m
Alaska Airlines
Deal found 5/30$542
This oojo deal was found by Cheapflights users on 6/2. 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.
Wed 6/246:00 am
STS
-
SJO
2 stops16h 40m
Multiple Airlines
Wed 7/19:40 am
SJO
-
STS
2 stops26h 05m
Multiple Airlines
Deal found 6/2$559
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Sun 7/264:12 pm
STS
-
LIR
2 stops21h 28m
American Airlines
Sun 8/23:40 pm
LIR
-
STS
1 stop21h 23m
American Airlines
Deal found 5/30$562
This Expedia deal was found by Cheapflights users on 5/31. 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.
Thu 7/166:00 am
STS
-
SJO
3 stops28h 45m
Multiple Airlines
Thu 7/233:10 pm
SJO
-
STS
2 stops20h 35m
Multiple Airlines
Deal found 5/31$571
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 7/286:00 am
STS
-
LIR
1 stop10h 29m
Alaska Airlines
Tue 8/46:39 pm
LIR
-
STS
1 stop17h 06m
Alaska Airlines
Deal found 5/30$593
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:35 am
STS
-
LIR
1 stop18h 02m
Alaska Airlines
Tue 8/116:39 pm
LIR
-
STS
1 stop17h 06m
Alaska Airlines
Deal found 6/3$596
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Sun 7/266:00 am
STS
-
LIR
1 stop23h 37m
Alaska Airlines
Tue 8/46:39 pm
LIR
-
STS
1 stop17h 06m
Alaska Airlines
Deal found 5/30$602
This Expedia deal was found by Cheapflights users on 5/31. 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.
Sat 7/2511:35 am
STS
-
SJO
2 stops22h 55m
Multiple Airlines
Tue 8/45:45 am
SJO
-
STS
2 stops30h 00m
Multiple Airlines
Deal found 5/31$603
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 7/275:35 pm
STS
-
LIR
1 stop12h 02m
Alaska Airlines
Thu 8/66:39 pm
LIR
-
STS
1 stop22h 16m
Alaska Airlines
Deal found 5/30$604
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 10/117:00 am
STS
-
SJO
1 stop11h 30m
Alaska Airlines
Sat 10/177:00 am
SJO
-
STS
1 stop14h 20m
Alaska Airlines
Deal found 6/2$612
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Mon 7/2712:43 pm
STS
-
LIR
2 stops21h 39m
American Airlines
Sun 8/23:40 pm
LIR
-
STS
1 stop21h 23m
American Airlines
Deal found 5/30$624
This American Airlines deal was found by Cheapflights users on 5/31. 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 7/14:20 pm
STS
-
LIR
2 stops20h 22m
American Airlines
Fri 7/103:40 pm
LIR
-
STS
2 stops21h 50m
American Airlines
Deal found 5/31$625

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 June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$542
(Alaska Airlines)

One-way from

$254

Popular in

December

Cheapest in

September

Average price

$721
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
One-way flight from Santa Rosa Sonoma County to Costa Rica
Highest demand for flights based on searches. 14% potential increase in price ($110 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 4, 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 RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Wed 7/1

4:20 pm-1:42 pm

2 stops20h 22m

Liberia

Fri 7/10

2:47 pm-12:03 pm

2 stops22h 16m

$625

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Wed 7/29

12:43 pm-1:15 pm

2 stops23h 32m

Liberia

Sun 8/2

3:40 pm-12:03 pm

1 stop21h 23m

$629

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 7/28

6:00 am-5:29 pm

1 stop10h 29m

Liberia

Sun 8/2

6:39 pm-10:45 am

1 stop17h 06m

$647

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 8/4

6:00 am-11:46 pm

1 stop16h 46m

San José Juan Santamaria Intl

Mon 8/10

1:06 am-3:55 pm

1 stop15h 49m

$648

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 7/28

6:00 am-5:29 pm

1 stop10h 29m

Liberia

Thu 8/6

6:39 pm-6:43 pm

1 stop25h 04m

$655

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Tue 8/4

11:35 am-6:37 am

1 stop18h 02m

Liberia

Wed 8/12

6:39 pm-10:45 am

1 stop17h 06m

$702

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Wed 7/29

6:00 am-11:46 pm

1 stop16h 46m

San José Juan Santamaria Intl

Thu 8/13

1:06 am-3:55 pm

1 stop15h 49m

$704

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Tue 7/28

11:35 am-11:46 pm

1 stop11h 11m

San José Juan Santamaria Intl

Tue 8/11

1:06 am-6:43 pm

1 stop18h 37m

$704

Santa RosaSan José

STS - SJO

STSSJO

Santa Rosa Sonoma County

Thu 7/23

11:35 am-11:46 pm

1 stop11h 11m

San José Juan Santamaria Intl

Fri 7/24

1:06 am-3:55 pm

1 stop15h 49m

$708

Santa RosaLiberia

STS - LIR

STSLIR

Santa Rosa Sonoma County

Wed 7/29

11:35 am-6:37 am

1 stop18h 02m

Liberia

Thu 8/6

6:39 pm-3:55 pm

1 stop22h 16m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

Showing 1-10 of 39 resultsSorted by cheapest first
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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
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 June 4, 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

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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 and American Airlines can get you from Santa Rosa to Costa Rica in just under 18h 02m. Your travel time can differ by up to 2h 20m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$450Average$628FlexibilityNo cancel feeOn-time75%

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