Costa Rica

$158+ Cheap flights from Irvine, 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJO
Feb 27 — Mar 61
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Cheap flight deals from Irvine to Costa Rica

Keep the following information in mind while searching for Irvine to Costa Rica flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(CheapOair)

One-way from

$158
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$403
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 Irvine to Costa Rica
One-way flight from Irvine to Costa Rica
Highest demand for flights based on searches. 17% potential increase in price ($99 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 February 2025

Find flight deals from Irvine to Costa Rica

Cheapest flights from Irvine to Costa Rica
Explore the most affordable flight options available from Irvine to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This CheapOair deal was found by Cheapflights users on 2/21. 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.
Tue 4/291:34 pmLAX - SJO
2 stops20h 44mMultiple Airlines
Mon 5/511:15 amSJO - LAX
1 stop24h 45mMultiple Airlines
Deal found 2/21$234
This CheapOair deal was found by Cheapflights users on 2/21. 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.
Tue 4/2911:49 pmLAX - SJO
1 stop11h 33mVolaris El Salvador
Mon 5/511:15 amSJO - LAX
1 stop24h 45mVolaris El Salvador
Deal found 2/21$238
This CheapOair deal was found by Cheapflights users on 2/22. 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.
Wed 3/265:35 amLAX - SJO
2 stops28h 46mSpirit Airlines
Wed 4/212:50 amSJO - LAX
2 stops21h 07mSpirit Airlines
Deal found 2/22$258
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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.
Mon 3/102:55 pmLAX - SJO
1 stop7h 00mAvianca
Tue 3/256:05 amSJO - LAX
1 stop8h 25mAvianca
Deal found 2/21$309
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/411:15 pmLAX - SJO
Nonstop5h 38mDelta
Wed 3/127:25 amSJO - LAX
Nonstop6h 33mDelta
Deal found 2/21$315
This CheapOair deal was found by Cheapflights users on 2/21. 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.
Fri 3/710:07 pmLAX - SJO
1 stop7h 08mVolaris Costa Rica
Fri 3/142:39 pmSJO - LAX
1 stop7h 55mVolaris Costa Rica
Deal found 2/21$316
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/27:00 amLAX - SJO
1 stop14h 19mAmerican Airlines
Wed 3/512:59 amSJO - LAX
1 stop9h 49mAmerican Airlines
Deal found 2/22$330
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 9/121:30 pmLAX - LIR
Nonstop5h 45mAlaska Airlines
Sat 9/2010:00 amLIR - LAX
Nonstop5h 42mAlaska Airlines
Deal found 2/21$438
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/2812:58 amLAX - LIR
1 stop11h 07mAmerican Airlines
Mon 5/52:05 pmLIR - LAX
1 stop19h 38mAmerican Airlines
Deal found 2/22$453
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 5/317:20 pmLAX - LIR
1 stop13h 40mUnited Airlines
Sat 6/74:00 pmLIR - LAX
Nonstop5h 56mUnited Airlines
Deal found 2/21$468
This Southwest deal was found by Cheapflights users on 2/22. 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.
Tue 4/297:05 pmLAX - LIR
2 stops17h 05mSouthwest
Mon 5/52:05 pmLIR - LAX
2 stops19h 45mSouthwest
Deal found 2/22$513
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 6/53:00 pmLAX - LIR
1 stop13h 56mWestJet
Wed 6/111:25 pmLIR - LAX
2 stops25h 47mWestJet
Deal found 2/20$534

Find flights from Irvine to Costa Rica within your budget

Customize your flight search to find flights from Irvine 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 February 22, 2025.

Fly from

Irvine

Fly to

Costa Rica

Route

Depart

Return

Price

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 4/29

1:34 pm-11:18 am

2 stops20h 44m

San José Juan Santamaria Intl

Mon 5/5

11:15 am-11:00 am

1 stop24h 45m

$234

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 4/29

11:49 pm-12:22 pm

1 stop11h 33m

San José Juan Santamaria Intl

Mon 5/5

11:15 am-11:00 am

1 stop24h 45m

$238

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Wed 3/26

5:35 am-11:21 am

2 stops28h 46m

San José Juan Santamaria Intl

Wed 4/2

12:50 am-8:57 pm

2 stops21h 07m

$258

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Mon 3/10

2:55 pm-10:55 pm

1 stop7h 00m

San José Juan Santamaria Intl

Tue 3/25

6:05 am-1:30 pm

1 stop8h 25m

$309

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 3/4

11:15 pm-6:53 am

Nonstop5h 38m

San José Juan Santamaria Intl

Thu 3/13

7:25 am-12:58 pm

Nonstop6h 33m

$315

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Fri 3/7

10:07 pm-7:15 am

1 stop7h 08m

San José Juan Santamaria Intl

Fri 3/14

2:39 pm-9:34 pm

1 stop7h 55m

$316

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 3/4

4:12 pm-11:59 pm

Nonstop5h 47m

San José Juan Santamaria Intl

Tue 3/11

12:26 am-6:00 am

Nonstop6h 34m

$379

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 3/4

1:25 am-9:05 pm

1 stop17h 40m

San José Juan Santamaria Intl

Tue 3/11

11:59 pm-2:38 pm

1 stop15h 39m

$394

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Mon 5/26

11:38 pm-6:20 am

Nonstop5h 42m

Liberia

Tue 6/10

11:20 am-4:27 pm

Nonstop6h 07m

$438

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Mon 4/28

12:58 am-1:05 pm

1 stop11h 07m

Liberia

Mon 5/5

2:05 pm-8:43 am

1 stop19h 38m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 41 results
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Best time to book a flight from Irvine to Costa Rica

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

Travel insights for flights from Irvine to Costa Rica

Get recent, data-driven insights about flights from Irvine to Costa Rica including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Irvine to Costa Rica (average of $398). Flying from Irvine 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 IR9 to CR?

Find hourly flight availability from Irvine 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 February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Costa Rica as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Irvine to Costa Rica. Price data was last updated on September 29, 2024.

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

Weekly flight availability from Irvine to Costa Rica

Explore weekly flight availability from Irvine 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 February 22, 2025.

The most flights from IR9 to CR0 are scheduled on a Friday (7 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 February 22, 2025.
See what other customers who have flown with Southwest, Delta and Alaska Airlines from Irvine to Costa Rica have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Crew

8.7

Entertainment

7.6

Food

7.1

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Irvine 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 Irvine to Costa Rica flight route?

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

    $158 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Avianca, with prices starting from $160 and $164, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Irvine to Costa Rica on time: United Airlines (83%), KLM (77%), Delta (77%).

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

    The cheapest flight price from Irvine to Costa Rica is $175. On average you can expect to pay $1,169. The most popular route, (Los Angeles - San José Juan Santamaria Intl), can usually be booked for $230.

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Irvine to Costa Rica

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

Top 10 airlines flying from Irvine to Costa Rica

Discover the top 10 airlines that operate flights from Irvine 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$109Average$220FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$116Average$360FlexibilityNo cancel feeOn-time62%
DeltaCheapest$116Average$431FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$144Average$538FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$169Average$367FlexibilityNo cancel feeOn-time65%
Volaris Costa RicaCheapest$174Average$374FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$184Average$421FlexibilityNo cancel feeOn-time79%
AviancaCheapest$246Average$440FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$254Average$666FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$346Average$507FlexibilityNo cancel feeOn-time70%
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