Costa Rica

$147+ Cheap flights from Riverside, CA 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJO
Apr 8 — Apr 151
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Cheap flight deals from Riverside to Costa Rica

Keep the following information in mind while searching for Riverside to Costa Rica flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(CheapOair)

One-way from

$147
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$446
Provider with most accurate pricing for Los Angeles-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles-San José Juan Santamaria Intl flights.
From Riverside to Costa Rica
One-way flight from Riverside to Costa Rica
Highest demand for flights based on searches. 17% potential increase in price ($96 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Riverside to Costa Rica

Cheapest flights from Riverside to Costa Rica
Explore the most affordable flight options available from Riverside to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This CheapOair deal was found by Cheapflights users on 4/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:47 pmLAX - SJO
1 stop19h 32mMultiple Airlines
Mon 8/112:48 pmSJO - LAX
1 stop8h 54mMultiple Airlines
Deal found 4/2$232
This Booking.com deal was found by Cheapflights users on 4/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:44 pmLAX - SJO
1 stop7h 29mVolaris Costa Rica
Thu 10/22:37 pmSJO - LAX
1 stop7h 37mVolaris Costa Rica
Deal found 4/2$234
This CheapOair deal was found by Cheapflights users on 4/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2411:49 pmLAX - SJO
1 stop9h 25mVolaris El Salvador
Fri 5/3011:15 amSJO - LAX
1 stop24h 45mVolaris El Salvador
Deal found 4/2$238
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:30 amLAX - SJO
2 stops17h 20mSpirit Airlines
Thu 5/811:32 amSJO - LAX
2 stops32h 38mSpirit Airlines
Deal found 4/2$290
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 5/145:15 pmLAX - SJO
Nonstop5h 37mAlaska Airlines
Tue 5/201:06 amSJO - LAX
Nonstop6h 23mAlaska Airlines
Deal found 4/2$322
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/52:50 pmLAX - SJO
1 stop7h 25mAvianca
Fri 10/315:05 amSJO - LAX
1 stop18h 30mAvianca
Deal found 4/1$374
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2710:49 pmLAX - LIR
1 stop13h 27mAmerican Airlines
Wed 4/302:05 pmLIR - LAX
1 stop10h 53mAmerican Airlines
Deal found 4/2$439
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:45 pmLAX - LIR
1 stop21h 11mAlaska Airlines
Thu 9/2511:20 amLIR - LAX
Nonstop5h 47mAlaska Airlines
Deal found 4/1$443
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/912:56 amLAX - LIR
1 stop8h 04mUnited Airlines
Tue 6/1711:49 amLIR - LAX
1 stop10h 09mUnited Airlines
Deal found 4/2$462
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:20 pmLAX - LIR
2 stops16h 25mSouthwest
Wed 6/252:10 pmLIR - LAX
1 stop9h 50mSouthwest
Deal found 4/1$526
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:05 pmLAX - LIR
2 stops17h 19mMultiple Airlines
Fri 6/201:25 pmLIR - LAX
1 stop24h 40mMultiple Airlines
Deal found 4/1$545
This WestJet deal was found by Cheapflights users on 4/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:10 pmLAX - LIR
2 stops31h 56mWestJet
Tue 5/271:25 pmLIR - LAX
2 stops29h 45mWestJet
Deal found 4/2$569

Cheapflights Fare Finder

Customize your flight search to find flights from Riverside 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 April 3, 2025.
Use the filters below to find and compare flights from Riverside to Costa Rica that are best for you.

Fly from

Riverside

Fly to

Costa Rica

Route

Depart

Return

Price

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sat 5/24

11:04 pm-7:28 am

1 stop7h 24m

San José Juan Santamaria Intl

Sat 6/7

3:31 pm-7:19 am

1 stop16h 48m

$236

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sat 5/24

11:49 pm-10:14 am

1 stop9h 25m

San José Juan Santamaria Intl

Fri 5/30

11:15 am-11:00 am

1 stop24h 45m

$238

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Thu 5/15

11:04 pm-7:28 am

1 stop7h 24m

San José Juan Santamaria Intl

Thu 5/22

2:37 pm-9:34 pm

1 stop7h 57m

$239

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Wed 4/30

5:30 am-11:50 pm

2 stops17h 20m

San José Juan Santamaria Intl

Sun 5/4

12:55 am-5:33 pm

2 stops17h 38m

$285

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Wed 5/14

5:15 pm-11:52 pm

Nonstop5h 37m

San José Juan Santamaria Intl

Tue 5/20

1:06 am-6:29 am

Nonstop6h 23m

$322

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Thu 6/5

2:50 pm-11:15 pm

1 stop7h 25m

San José Juan Santamaria Intl

Fri 10/31

5:05 am-10:35 pm

1 stop18h 30m

$374

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 4/29

11:26 pm-5:57 am

Nonstop5h 31m

San José Juan Santamaria Intl

Sat 5/31

7:25 am-12:43 pm

Nonstop6h 18m

$381

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Sun 4/27

10:49 pm-1:16 pm

1 stop13h 27m

Liberia

Wed 4/30

2:05 pm-11:58 pm

1 stop10h 53m

$439

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Fri 4/25

5:45 pm-3:56 pm

1 stop21h 11m

Liberia

Wed 9/10

11:20 am-4:07 pm

Nonstop5h 47m

$443

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Mon 6/9

12:56 am-10:00 am

1 stop8h 04m

Liberia

Tue 6/17

11:49 am-8:58 pm

1 stop10h 09m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 35 results
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Best time to book a flight from Riverside to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Riverside 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 Riverside to Costa Rica

What is the cheapest month to book a flight from Riverside to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Riverside to Costa Rica (average of $398). Flying from Riverside 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 R1V to CR?

Find hourly flight availability from Riverside 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 April 3, 2025.

When flying from Riverside to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Riverside to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Costa Rica. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to Costa Rica flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Riverside to Costa Rica

Explore weekly flight availability from Riverside to Costa Rica. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 3, 2025.

The most flights from R1V to CR0 are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 April 3, 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and Southwest from Riverside to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Riverside to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Riverside to Costa Rica flight route?

  • What are the cheapest airlines to fly from Riverside to Costa Rica one-way?

    The cheapest airlines for a one-way flight from Riverside to Costa Rica are Volaris El Salvador ($148), Volaris Costa Rica ($149), and Spirit Airlines ($152).

  • What are the most reliable airlines from Riverside to Costa Rica?

    The top 3 most reliable airlines when flying from Riverside to Costa Rica are United Airlines (100%), KLM (91%) and Air France (90%).

  • What are the cheapest flights from Riverside to Costa Rica?

    Looking for the cheapest flight from Riverside to Costa Rica? While on average our users pay $845, our data indicates the cheapest price to be $158. The most popular route (Los Angeles - San José Juan Santamaria Intl), is priced around $182.

  • Can I find deals for flights from Riverside to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Riverside to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Riverside to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to Costa Rica.

  • Can I find deals for business class flights from Riverside to Costa Rica?

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Riverside to Costa Rica (average of $398). Flying from Riverside 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 Riverside to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Riverside to Costa Rica

Discover the top 10 airlines that operate flights from Riverside 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$112Average$222FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$131Average$358FlexibilityNo cancel feeOn-time62%
DeltaCheapest$144Average$616FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$169Average$297FlexibilityNo cancel feeOn-time65%
Volaris Costa RicaCheapest$182Average$383FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$185Average$419FlexibilityNo cancel feeOn-time79%
AviancaCheapest$240Average$421FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$252Average$661FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$331Average$552FlexibilityNo cancel feeOn-time75%
Copa AirlinesCheapest$337Average$519FlexibilityNo cancel feeOn-time70%

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