How long is the flight from Ireland to Costa Rica?

For as low as £606, KLM can have you in Costa Rica from Ireland in 17h 45m. The distance between Ireland and Costa Rica is about 5166 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 300.0 inches per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).

What is the cheapest time of day to fly from IE to CR?

When flying from Ireland 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.

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

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

How can I find direct flights from Ireland to Costa Rica?

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

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

Yes. Cheapflights offers flight deals from Ireland 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.

£552+ Cheap Flights from Ireland to Costa Rica

Cheap flight deals from Ireland to Costa Rica

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ireland to Costa Rica
Explore the most affordable flight options available from Ireland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Wed 21/1008:55 -

2 stops16h 29m

Wed 4/1119:30 -

1 stop14h 50m

Deal found 28/9£552

Mon 30/1105:45 -

1 stop17h 45m

Wed 9/1217:25 -

1 stop15h 05m

Deal found 28/9£605

Mon 30/1105:45 -

1 stop17h 45m

Mon 7/1214:53 -

2 stops15h 47m

Deal found 28/9£606

Mon 30/1105:45 -

1 stop17h 45m

Wed 9/1212:02 -

2 stops22h 18m

Deal found 28/9£607

Thu 12/1113:25 -

2 stops32h 45m

Thu 19/1114:18 -

2 stops25h 57m

Deal found 28/9£621

Thu 12/1119:25 -

1 stop26h 45m

Thu 19/1114:18 -

2 stops20h 02m

Deal found 28/9£632

Sun 15/1105:45 -

1 stop17h 45m

Mon 30/1119:30 -

2 stops16h 55m

Deal found 27/9£633

Sun 15/1106:40 -

2 stops20h 10m

Mon 30/1113:59 -

2 stops19h 41m

Deal found 30/9£648

Mon 30/1118:30 -

1 stop27h 15m

Fri 30/412:12 -

2 stops18h 18m

Deal found 30/9£658

Find flight deals from Ireland to Costa Rica

Round-trip from	£552
Popular in	September
Cheapest in	April
Average price	£713

KLM
21/10-4/11
3 total stops
31h 19m total
Ireland to Costa Rica

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£88 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Mon 30/11

05:45-17:30

1 stop17h 45m

San José Juan Santamaria Intl

Wed 9/12

17:25-14:30

1 stop15h 05m

£605

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Thu 14/1

10:40-22:35

2 stops41h 55m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£615

Fastest return journey

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Fri 8/1

05:45-18:35

2 stops18h 50m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£642

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Wed 13/1

05:45-18:35

2 stops18h 50m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£642

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Tue 20/10

11:10-20:21

2 stops40h 11m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£650

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Mon 8/2

08:45-20:59

2 stops18h 14m

San José Juan Santamaria Intl

Fri 12/2

13:26-16:35

2 stops21h 09m

£651

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Mon 30/11

20:40-16:40

1 stop26h 00m

San José Juan Santamaria Intl

Fri 30/4

20:35-19:25

1 stop15h 50m

£724

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Tue 15/12

13:35-12:42

1 stop29h 07m

San José Juan Santamaria Intl

Thu 21/1

09:05-07:30

1 stop16h 25m

£728

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Sat 27/3

09:30-10:11

2 stops30h 41m

San José Juan Santamaria Intl

Wed 7/4

07:15-07:30

1 stop17h 15m

£866

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Wed 13/1

10:40-21:52

3 stops41h 12m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£874

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 16 resultsSorted by cheapest first

Best time to book a flight from Ireland to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Ireland with our price prediction graph.

DUB-SJO

Estimated return 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 Ireland to Costa Rica

IE0-CR0

DUB-SJO

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

Currently, April is the cheapest month in which you can book a flight from Ireland to Costa Rica (average of £634). Flying from Ireland to Costa Rica in September is currently the most expensive (average of £1,078). 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.

How far ahead should I book a flight from Ireland to Costa Rica?

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ireland to Costa Rica. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Costa Rica

Check out reviews from past customers who have flown with United Airlines from Ireland to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,261 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

United Airlines

7.4

Good

10,261 reviews

United Airlines

7.4

Good

10,261 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

How long is the flight from Ireland to Costa Rica?
For as low as £606, KLM can have you in Costa Rica from Ireland in 17h 45m. The distance between Ireland and Costa Rica is about 5166 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Ireland to Costa Rica that include hotel bookings?
Yes. In addition to deals on Ireland to Costa Rica flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Costa Rica?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Costa Rica.
Can I find deals for business class flights from Ireland to Costa Rica?
Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Costa Rica?
Currently, April is the cheapest month in which you can book a flight from Ireland to Costa Rica (average of £634). Flying from Ireland to Costa Rica in September is currently the most expensive (average of £1,078). 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 Ireland to Costa Rica

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Top airline flying from Ireland to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£554	Average£739	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Costa Rica?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Costa Rica from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Costa Rica?

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Costa Rica for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ireland to Costa Rica with no change fees?

Certainly. Search results for flights to Costa Rica from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to Costa Rica become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Costa Rica on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Ireland to Costa Rica from £552

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Costa Rica

Cheapest flights from Ireland to Costa RicaExplore the most affordable flight options available from Ireland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Explore the most affordable flight options available from Ireland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from Ireland to Costa RicaDiscover carefully curated flight deals from Ireland to Costa Rica that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Discover carefully curated flight deals from Ireland to Costa Rica that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Last-minute flights from Ireland to Costa RicaDiscover last-minute flight deals from Ireland to Costa Rica. Data last updated 1 October 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Costa Rica. Data last updated 1 October 2026 and is based on user searches.

One-way flights from Ireland to Costa RicaSearch for one-way flight options from Ireland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Search for one-way flight options from Ireland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Find flight deals from Ireland to Costa Rica

Round-trip from

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Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Costa Rica that are best for you.

Best time to book a flight from Ireland to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Ireland with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Ireland to Costa Rica?

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ireland to Costa Rica. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Costa Rica

Check out reviews from past customers who have flown with United Airlines from Ireland to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Ireland to Costa Rica?

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

How can I find direct flights from Ireland to Costa Rica?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Costa Rica

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

Complete your trip

Complete your trip to Costa Rica by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ireland to Costa Rica by cabin class

Find flights from Ireland to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ireland and Costa Rica flights

Browse other Ireland and Costa Rica flight options. Last updated on 1 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Costa Rica

Find the right flight back to Ireland after your stay in Costa Rica

Top airline flying from Ireland to Costa Rica

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Costa Rica?

Why should you use Cheapflights to find cheap flight tickets from Ireland to Costa Rica?

Can Cheapflights find flights from Ireland to Costa Rica with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to Costa Rica become cheaper?

100% Free

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Travel Smart

Cheapest flights from Ireland to Costa Rica
Explore the most affordable flight options available from Ireland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from Ireland to Costa Rica
Discover carefully curated flight deals from Ireland to Costa Rica that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Last-minute flights from Ireland to Costa Rica
Discover last-minute flight deals from Ireland to Costa Rica. Data last updated 1 October 2026 and is based on user searches.

One-way flights from Ireland to Costa Rica
Search for one-way flight options from Ireland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.