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$163+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJO
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Irvine to Costa Rica

Discover tips and strategies to find the most affordable flight options for your journey from Irvine (IR9) to Costa Rica (CR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$272
(Trip.com)

One-way from

$169
(Alaska Airlines)
From Irvine to Costa Rica
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One-way flight from Irvine to Costa Rica
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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 December 22, 2024.

This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:00 pmLAX - SJO
Nonstop5h 44mDelta
Wed 1/228:25 amSJO - LAX
Nonstop6h 29mDelta
Deal found 12/22$537
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/238:25 amLAX - SJO
1 stop9h 39mAmerican Airlines
Thu 12/266:29 amSJO - LAX
1 stop10h 55mAmerican Airlines
Deal found 12/22$541
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:22 pmLAX - LIR
1 stop11h 19mAmerican Airlines
Mon 12/3011:41 amLIR - LAX
1 stop10h 51mAmerican Airlines
Deal found 12/21$549
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:44 pmLAX - SJO
Nonstop5h 41mUnited Airlines
Sun 1/126:40 amSJO - LAX
Nonstop6h 27mUnited Airlines
Deal found 12/22$559
This Booking.com deal was found by Cheapflights users on 12/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:45 pmLAX - SJO
2 stops18h 56mMultiple Airlines
Sun 1/125:30 amSJO - LAX
1 stop17h 07mMultiple Airlines
Deal found 12/22$604
This CheapOair deal was found by Cheapflights users on 12/22. 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.
Tue 12/316:37 pmLAX - SJO
2 stops15h 04mSpirit Airlines
Sat 1/111:57 amSJO - LAX
2 stops24h 01mSpirit Airlines
Deal found 12/22$623
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/278:30 pmLAX - LIR
1 stop17h 38mUnited Airlines
Mon 12/308:50 amLIR - LAX
1 stop17h 06mUnited Airlines
Deal found 12/22$694
This Delta deal was found by Cheapflights users on 12/21. 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 12/2411:55 pmLAX - LIR
1 stop11h 01mDelta
Tue 12/313:57 pmLIR - LAX
1 stop10h 36mDelta
Deal found 12/21$702
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:30 pmLAX - LIR
1 stop18h 14mSun Country Air
Sat 1/113:45 pmLIR - LAX
1 stop21h 02mSun Country Air
Deal found 12/22$707
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/3111:59 pmLAX - LIR
Nonstop5h 34mAlaska Airlines
Fri 1/106:40 pmLIR - LAX
Nonstop6h 19mAlaska Airlines
Deal found 12/21$710
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:30 pmLAX - LIR
1 stop18h 14mMultiple Airlines
Wed 1/12:55 pmLIR - LAX
2 stops55h 36mMultiple Airlines
Deal found 12/22$836
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:20 amLAX - SJO
2 stops12h 20mSouthwest
Tue 12/311:40 pmSJO - LAX
1 stop10h 55mSouthwest
Deal found 12/21$842

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Thu 5/8

12:47 am-8:52 am

1 stop7h 05m

San José Juan Santamaria Intl

Fri 5/16

9:51 am-10:56 pm

1 stop14h 05m

$266

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Mon 1/13

12:57 am-11:12 pm

1 stop20h 15m

San José Juan Santamaria Intl

Wed 1/22

1:46 pm-10:33 am

1 stop22h 47m

$272

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sun 2/23

10:07 pm-11:20 pm

1 stop23h 13m

San José Juan Santamaria Intl

Thu 2/27

5:30 am-8:37 pm

1 stop17h 07m

$274

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 5/6

11:00 pm-11:59 pm

2 stops23h 59m

San José Juan Santamaria Intl

Tue 5/13

12:29 pm-12:24 pm

2 stops24h 55m

$300

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sat 2/1

10:55 pm-11:25 am

1 stop10h 30m

San José Juan Santamaria Intl

Sat 2/15

8:30 pm-10:40 am

2 stops16h 10m

$322

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Sun 1/12

9:27 am-5:02 pm

Nonstop5h 35m

Liberia

Wed 1/22

6:40 pm-10:59 pm

Nonstop6h 19m

$365

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Mon 3/17

2:07 am-3:55 pm

1 stop12h 48m

San José Juan Santamaria Intl

Tue 3/25

8:45 am-11:40 pm

1 stop15h 55m

$373

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Sun 1/12

12:53 am-12:50 pm

1 stop9h 57m

Liberia

Fri 1/17

3:35 pm-10:25 am

1 stop20h 50m

$379

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Sun 2/2

12:51 am-5:57 pm

1 stop15h 06m

Liberia

Fri 2/28

8:50 am-11:45 pm

1 stop16h 55m

$397

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sun 1/19

1:15 am-11:09 pm

1 stop19h 54m

San José Juan Santamaria Intl

Mon 1/27

3:20 pm-9:40 am

1 stop20h 20m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 36 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 December 22, 2024.

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.

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 December 22, 2024.

The most flights from IR9 to CR0 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 December 22, 2024.
See what other customers who have flown with Alaska Airlines, Spirit Airlines and United 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.
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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

Copa Airlines
7.7
Good
1,712 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Entertainment

7.7

Reviews

1 / 10

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?

    Within the past month, 38 users have taken a look at flights from Irvine to Costa Rica.

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

    $169 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Avianca and Spirit Airlines, with prices starting from $171 and $172, 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: Air France (90%), KLM (88%), Delta (88%).

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

    The cheapest flight price from Irvine to Costa Rica is $173. On average you can expect to pay $1,121. The most popular route, (Los Angeles - San José Juan Santamaria Intl), can usually be booked for $221.

  • 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

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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.
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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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$106Average$218FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$144Average$390FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$144Average$498FlexibilityNo cancel feeOn-time75%
DeltaCheapest$145Average$461FlexibilityNo cancel feeOn-timeN/A
Volaris Costa RicaCheapest$161Average$356FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$173Average$371FlexibilityNo cancel feeOn-time65%
VolarisCheapest$194Average$418FlexibilityNo cancel feeOn-time79%
AviancaCheapest$220Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$260Average$657FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$282Average$504FlexibilityNo cancel feeOn-time70%
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