$136+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 June 12, 2025.
Round-trip from | $246 (CheapOair) |
|---|---|
One-way from | $136 (FlightHub) |
Popular in | December |
Cheapest in | May |
Average price | $513 |
Find flight deals from Irvine to Costa Rica
Cheapest flights from Irvine to Costa RicaExplore 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 June 12, 2025.
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 June 12, 2025.
This Trip.com deal was found by Cheapflights users on 6/11. 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.
This CheapOair deal was found by Cheapflights users on 6/11. 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.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
This Southwest deal was found by Cheapflights users on 6/10. 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.
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 June 12, 2025.
Use the filters below to find and compare flights from Irvine to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Mon 8/25
11:33 pm-8:19 pm
1 stop19h 46m
San José Juan Santamaria Intl
Sat 8/30
2:37 pm-9:11 pm
1 stop7h 34m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Wed 8/20
10:49 pm-7:28 am
Nonstop7h 39m
San José Juan Santamaria Intl
Sat 8/30
2:37 pm-9:11 pm
Nonstop7h 34m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Sat 8/30
2:50 pm-11:15 pm
1 stop7h 25m
San José Juan Santamaria Intl
Thu 9/4
7:45 pm-12:00 pm
2 stops17h 15m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Wed 9/10
6:57 pm-12:40 pm
2 stops16h 43m
San José Juan Santamaria Intl
Fri 9/19
12:23 pm-7:06 am
2 stops19h 43m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Wed 8/13
5:20 am-6:55 pm
1 stop12h 35m
San José Juan Santamaria Intl
Wed 8/20
1:40 pm-7:45 am
2 stops19h 05m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Wed 9/10
7:35 am-7:42 pm
1 stop11h 07m
San José Juan Santamaria Intl
Mon 9/22
6:00 am-7:38 pm
2 stops14h 38m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Sun 8/3
4:26 pm-11:30 pm
Nonstop6h 04m
San José Juan Santamaria Intl
Tue 8/12
12:50 am-6:03 am
Nonstop6h 13m
Los AngelesSan José
LAX - SJO
LAXSJO
Los Angeles
Tue 9/9
12:56 am-12:26 pm
1 stop10h 30m
San José Juan Santamaria Intl
Tue 9/16
7:55 am-9:35 pm
1 stop14h 40m
Los AngelesLiberia
LAX - LIR
LAXLIR
Los Angeles
Tue 9/16
4:20 pm-12:10 pm
1 stop18h 50m
Liberia
Fri 9/26
1:20 pm-8:57 am
1 stop20h 37m
Los AngelesLiberia
LAX - LIR
LAXLIR
Los Angeles
Tue 8/12
6:45 pm-12:59 pm
1 stop17h 14m
Liberia
Sun 8/17
2:26 pm-9:21 am
1 stop19h 55m
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.
Cheapflights Insights
Everything you need to know about your flight from Irvine to Costa Rica
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 June 12, 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. Saturday mornings 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 June 12, 2025.
The most flights from IR9 to CR0 are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 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 June 12, 2025.
See what other customers who have flown with Delta, Alaska Airlines and Southwest 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.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
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.
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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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$222 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$364 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$186 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$190 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$425 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$243 | Average$618 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$642 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$333 | Average$508 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$341 | Average$441 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$347 | Average$558 | FlexibilityNo cancel fee | On-time75% |