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Cheap flights from Ireland to Costa Rica from €357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Costa Rica departing on 29/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to Costa Rica

Recent return flight deals from Ireland to Costa Rica

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:40 - 20:49
DUB
-
SJO
20h 09m
2 stops
Multiple Airlines Logo
18:55 - 15:05
SJO
-
DUB
14h 10m
1 stop
€643Multiple Airlines
Wed, 2 Dec - Sun, 6 Dec
British Airways Logo
16:05 - 16:40
DUB
-
SJO
30h 35m
1 stop
British Airways Logo
18:55 - 07:55
SJO
-
DUB
31h 00m
1 stop
€653British Airways
Sat, 31 Oct - Wed, 4 Nov
British Airways Logo
16:05 - 16:40
DUB
-
SJO
30h 35m
1 stop
British Airways Logo
18:55 - 07:55
SJO
-
DUB
31h 00m
1 stop
€655British Airways
Sat, 31 Oct - Wed, 4 Nov
British Airways Logo
16:05 - 16:40
DUB
-
SJO
30h 35m
1 stop
British Airways Logo
18:55 - 07:55
SJO
-
DUB
31h 00m
1 stop
€657British Airways
Sat, 31 Oct - Wed, 4 Nov
Multiple Airlines Logo
07:35 - 16:40
DUB
-
SJO
15h 05m
1 stop
Multiple Airlines Logo
18:55 - 14:20
SJO
-
DUB
13h 25m
1 stop
€665Multiple Airlines
Wed, 2 Dec - Sun, 6 Dec
British Airways Logo
13:10 - 20:55
DUB
-
SJO
37h 45m
2 stops
British Airways Logo
18:55 - 17:00
SJO
-
DUB
16h 05m
1 stop
€681British Airways
Sat, 31 Oct - Wed, 4 Nov
British Airways Logo
20:40 - 20:55
DUB
-
SJO
30h 15m
2 stops
British Airways Logo
18:55 - 14:05
SJO
-
DUB
13h 10m
1 stop
€682British Airways
Sat, 31 Oct - Wed, 4 Nov
British Airways Logo
20:40 - 20:55
DUB
-
SJO
30h 15m
2 stops
British Airways Logo
18:55 - 14:05
SJO
-
DUB
13h 10m
1 stop
€684British Airways
Sat, 31 Oct - Wed, 4 Nov
American Airlines Logo
13:00 - 14:45
DUB
-
LIR
31h 45m
1 stop
American Airlines Logo
13:25 - 08:30
LIR
-
DUB
37h 05m
2 stops
€765American Airlines
Thu, 26 Nov - Mon, 7 Dec
United Airlines Logo
08:50 - 12:10
DUB
-
LIR
34h 20m
2 stops
United Airlines Logo
13:20 - 09:45
LIR
-
DUB
37h 25m
2 stops
€873United Airlines
Sat, 15 Aug - Sat, 22 Aug

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Air Canada flights from Ireland to Costa Rica

Our best Air Canada deals on Ireland to Costa Rica flight tickets
Air Canada
13 Aug
DUB09:20Dublin
19h 40m
1 stop
SJO22:00San José Juan Santamaria Intl
26 Aug
SJO07:10San José Juan Santamaria Intl
18h 05m
1 stop
DUB08:15Dublin
€740
Air Canada
13 Aug
DUB09:20Dublin
19h 40m
1 stop
SJO22:00San José Juan Santamaria Intl
26 Aug
SJO07:10San José Juan Santamaria Intl
18h 05m
1 stop
DUB08:15Dublin
€742
Air Canada
29 Aug
DUB09:20Dublin
19h 40m
1 stop
SJO22:00San José Juan Santamaria Intl
13 Sept
SJO07:10San José Juan Santamaria Intl
18h 05m
1 stop
DUB08:15Dublin
€746

British Airways flights from Ireland to Costa Rica

Our best British Airways deals on Ireland to Costa Rica flight tickets
British Airways
31 Oct
DUB16:05Dublin
30h 35m
1 stop
SJO16:40San José Juan Santamaria Intl
4 Nov
SJO18:55San José Juan Santamaria Intl
31h 00m
1 stop
DUB07:55Dublin
€653
British Airways
31 Oct
DUB16:05Dublin
30h 35m
1 stop
SJO16:40San José Juan Santamaria Intl
4 Nov
SJO18:55San José Juan Santamaria Intl
31h 00m
1 stop
DUB07:55Dublin
€655
British Airways
31 Oct
DUB16:05Dublin
30h 35m
1 stop
SJO16:40San José Juan Santamaria Intl
4 Nov
SJO18:55San José Juan Santamaria Intl
31h 00m
1 stop
DUB07:55Dublin
€657

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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, momondo users made 13,528 searches. Data last updated 6 July 2026.
Use the filters below to find and compare flights from Ireland to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan José

DUB - SJO

DUBSJO

Dublin

Wed 2/12

06:40-20:49

2 stops20h 09m

San José Juan Santamaria Intl

Sun 6/12

18:55-15:05

1 stop14h 10m

€643

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/10

16:05-16:40

1 stop30h 35m

San José Juan Santamaria Intl

Wed 4/11

18:55-07:55

1 stop31h 00m

€653

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/10

16:05-16:40

1 stop30h 35m

San José Juan Santamaria Intl

Wed 4/11

18:55-07:55

1 stop31h 00m

€655

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/10

16:05-16:40

1 stop30h 35m

San José Juan Santamaria Intl

Wed 4/11

18:55-07:55

1 stop31h 00m

€657
Fastest return journey

DublinSan José

DUB - SJO

DUBSJO

Dublin

Wed 2/12

07:35-16:40

1 stop15h 05m

San José Juan Santamaria Intl

Sun 6/12

18:55-14:20

1 stop13h 25m

€665

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/10

13:10-20:55

2 stops37h 45m

San José Juan Santamaria Intl

Wed 4/11

18:55-17:00

1 stop16h 05m

€681

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/10

20:40-20:55

2 stops30h 15m

San José Juan Santamaria Intl

Wed 4/11

18:55-14:05

1 stop13h 10m

€682

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/10

20:40-20:55

2 stops30h 15m

San José Juan Santamaria Intl

Wed 4/11

18:55-14:05

1 stop13h 10m

€684

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 26/11

13:00-14:45

1 stop31h 45m

Liberia

Mon 7/12

13:25-08:30

2 stops37h 05m

€765

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Sat 15/8

08:50-12:10

2 stops34h 20m

Liberia

Sat 22/8

13:20-09:45

2 stops37h 25m

€873

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from Ireland to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Ireland is in July. Flight prices, which tend to average around €587, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Costa Rica from Ireland during March instead. Flights to Costa Rica in March, while not as cheap as those in July, still average around €621.

Can stopping save me money on Ireland to Costa Rica flights?

You could potentially save up to 1% on your flight if you consider stops on a Ireland to Costa Rica flight.

Cheap Ireland to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Costa Rica

Fastest flight time

18h 15m

Direct flights

None
The fastest flight from Ireland to Costa Rica takes 18h 15m
There are no direct flights from Ireland to Costa Rica. There are no popular flight routes from Ireland to Costa Rica.
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Frequently asked questions about flying from Ireland to Costa Rica

  • When did momondo last update prices for flights from Ireland to Costa Rica?

    Prices for flights from Ireland to Costa Rica were last updated today.

  • How many operators does momondo search for flights from Ireland to Costa Rica?

  • How old do you have to be to fly from Ireland to Costa Rica?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to Costa Rica

Compare and see reviews for airlines that fly from Ireland to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom €630Free CancellationRating
7.1
11,305 reviews
Search Air Canada flights
LufthansaPriceFrom €691Free CancellationRating
6.8
8,116 reviews
Search Lufthansa flights
United AirlinesPriceFrom €713Free CancellationRating
7.4
9,938 reviews
Search United Airlines flights
KLMPriceFrom €724Free CancellationRating
7.8
1,534 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Costa Rica?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Costa Rica for you.

Can I find flights from Ireland to Costa Rica with flexible booking policies on momondo?

momondo does allow users to show only those flights to Costa Rica from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to Costa Rica?

momondo helps you find the best flight between Ireland and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to Costa Rica right now. Can momondo alert me if prices change?

Price alerts on flights to Costa Rica from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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