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$171+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJO
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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 January 21, 2025.

Round-trip from

$249
(Cheapflightsfares)

One-way from

$171
(FlightHub)
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 January 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2610:07 pmLAX - SJO
1 stop23h 13mVolaris Costa Rica
Wed 3/55:30 amSJO - LAX
1 stop17h 07mVolaris Costa Rica
Deal found 1/20$267
This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/412:03 pmLAX - SJO
1 stop22h 58mMultiple Airlines
Tue 2/113:32 pmSJO - LAX
1 stop17h 00mMultiple Airlines
Deal found 1/20$270
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
Sat 2/2211:30 pmLAX - SJO
2 stops34h 50mSpirit Airlines
Mon 3/1011:24 amSJO - LAX
2 stops20h 39mSpirit Airlines
Deal found 1/21$277
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 5/1212:30 amLAX - SJO
1 stop9h 45mAvianca
Tue 5/205:05 amSJO - LAX
1 stop8h 25mAvianca
Deal found 1/21$326
This CheapOair deal was found by Cheapflights users on 1/21. 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.
Sat 5/241:42 pmLAX - SJO
1 stop18h 10mVolaris El Salvador
Sun 6/19:51 amSJO - LAX
1 stop14h 05mVolaris El Salvador
Deal found 1/21$332
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2712:55 amLAX - SJO
1 stop13h 01mCopa Airlines
Mon 2/36:06 pmSJO - LAX
1 stop19h 24mCopa Airlines
Deal found 1/20$376
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2510:44 pmLAX - SJO
Nonstop5h 41mUnited Airlines
Tue 1/286:30 amSJO - LAX
1 stop17h 17mUnited Airlines
Deal found 1/20$393
This American Airlines deal was found by Cheapflights users on 1/19. 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 1/1912:53 amLAX - SJO
1 stop17h 57mAmerican Airlines
Thu 1/236:15 amSJO - LAX
1 stop15h 59mAmerican Airlines
Deal found 1/19$408
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 1/224:11 pmLAX - SJO
Nonstop5h 46mAlaska Airlines
Tue 2/41:12 amSJO - LAX
Nonstop6h 48mAlaska Airlines
Deal found 1/21$413
This flugladen.de deal was found by Cheapflights users on 1/20. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2010:16 amLAX - LIR
Nonstop5h 36mAlaska Airlines
Wed 2/267:02 pmLIR - LAX
Nonstop6h 25mAlaska Airlines
Deal found 1/20$423
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 2/2112:55 amLAX - LIR
1 stop15h 02mUnited Airlines
Fri 2/288:50 amLIR - LAX
1 stop16h 54mUnited Airlines
Deal found 1/21$453
This Southwest deal was found by Cheapflights users on 1/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/711:55 pmLAX - LIR
1 stop12h 15mSouthwest
Wed 4/162:05 pmLIR - LAX
1 stop10h 30mSouthwest
Deal found 1/20$454

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Wed 2/26

10:07 pm-11:20 pm

1 stop23h 13m

San José Juan Santamaria Intl

Wed 3/5

5:30 am-8:37 pm

1 stop17h 07m

$267

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Tue 2/4

12:03 pm-1:01 pm

1 stop22h 58m

San José Juan Santamaria Intl

Tue 2/11

3:32 pm-6:32 am

1 stop17h 00m

$270

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sat 2/22

11:30 pm-12:20 pm

2 stops34h 50m

San José Juan Santamaria Intl

Mon 3/10

11:24 am-7:03 am

2 stops20h 39m

$277

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Mon 5/12

12:30 am-11:15 am

1 stop9h 45m

San José Juan Santamaria Intl

Tue 5/27

3:05 pm-11:10 pm

1 stop9h 05m

$326

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sat 5/24

1:42 pm-8:52 am

1 stop18h 10m

San José Juan Santamaria Intl

Sun 6/1

9:51 am-10:56 pm

1 stop14h 05m

$332

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sat 3/29

2:07 am-6:51 pm

1 stop15h 44m

San José Juan Santamaria Intl

Thu 4/3

5:52 am-4:59 pm

1 stop12h 07m

$406

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Fri 1/31

6:00 am-11:09 pm

1 stop15h 09m

San José Juan Santamaria Intl

Mon 2/3

6:15 am-11:14 pm

1 stop18h 59m

$408

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Sun 5/11

5:15 pm-11:52 pm

Nonstop5h 37m

San José Juan Santamaria Intl

Tue 5/13

1:12 am-6:45 am

Nonstop6h 33m

$413

Los AngelesLiberia

LAX - LIR

LAXLIR

Los Angeles

Tue 4/29

11:50 pm-6:20 am

Nonstop5h 30m

Liberia

Tue 5/6

11:20 am-4:33 pm

Nonstop6h 13m

$438

Los AngelesSan José

LAX - SJO

LAXSJO

Los Angeles

Fri 2/21

11:15 pm-6:53 am

Nonstop5h 38m

San José Juan Santamaria Intl

Thu 2/27

8:25 am-12:54 pm

Nonstop6h 29m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 39 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 January 21, 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.

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 January 21, 2025.

The most flights from IR9 to CR0 are scheduled on a Saturday (8 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 January 21, 2025.
See what other customers who have flown with Spirit Airlines, Avianca 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
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

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
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

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
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

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
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

Reviews

1 / 10

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

Air Transat
7.8
Good
381 reviews
Southwest
8.1
Very good
4,662 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Boarding

8.2

Food

7.2

Comfort

8.1

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, 51 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?

    $171 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 Copa Airlines and United Airlines, with prices starting from $172 and $176, 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: KLM (77%), Delta (77%), United Airlines (77%).

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

    The cheapest flight price from Irvine to Costa Rica is $196. On average you can expect to pay $1,186. The most popular route, (Los Angeles - San José Juan Santamaria Intl), can usually be booked for $218.

  • 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$107Average$221FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$116Average$388FlexibilityNo cancel feeOn-time62%
DeltaCheapest$141Average$467FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$144Average$522FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$169Average$364FlexibilityNo cancel feeOn-time65%
Volaris Costa RicaCheapest$169Average$367FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$190Average$417FlexibilityNo cancel feeOn-time79%
AviancaCheapest$242Average$428FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$662FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$341Average$515FlexibilityNo cancel feeOn-time70%
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