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Cheap flights from Ireland to Costa Rica from €296

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 13/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
JetBlue Logo
11:30 - 22:14
DUB
-
SJO
17h 44m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€515JetBlue
Mon, 4 May - Mon, 11 May
JetBlue Logo
11:30 - 22:14
DUB
-
SJO
17h 44m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€643JetBlue
Tue, 5 May - Tue, 12 May
JetBlue Logo
11:30 - 22:20
DUB
-
SJO
17h 50m
1 stop
JetBlue Logo
13:55 - 09:00
SJO
-
DUB
36h 05m
1 stop
€667JetBlue
Tue, 19 May - Tue, 26 May
JetBlue Logo
11:30 - 22:20
DUB
-
SJO
17h 50m
1 stop
JetBlue Logo
13:55 - 09:00
SJO
-
DUB
36h 05m
1 stop
€672JetBlue
Sat, 16 May - Wed, 27 May
SWISS Logo
18:35 - 14:05
DUB
-
SJO
26h 30m
1 stop
SWISS Logo
15:50 - 07:55
SJO
-
DUB
33h 05m
1 stop
€737SWISS
Thu, 28 May - Fri, 12 Jun
British Airways Logo
07:30 - 20:14
DUB
-
SJO
19h 44m
2 stops
British Airways Logo
07:00 - 09:40
SJO
-
DUB
19h 40m
2 stops
€746British Airways
Tue, 8 Sep - Wed, 30 Sep
United Airlines Logo
09:20 - 12:10
DUB
-
LIR
33h 50m
2 stops
United Airlines Logo
13:20 - 10:40
LIR
-
DUB
38h 20m
2 stops
€782United Airlines
Thu, 17 Sep - Mon, 21 Sep
United Airlines Logo
09:20 - 12:10
DUB
-
LIR
33h 50m
2 stops
United Airlines Logo
13:20 - 07:30
LIR
-
DUB
35h 10m
2 stops
€783United Airlines
Thu, 17 Sep - Mon, 21 Sep
Multiple Airlines Logo
12:15 - 08:50
SNN
-
SJO
27h 35m
2 stops
Multiple Airlines Logo
07:15 - 21:35
SJO
-
SNN
31h 20m
3 stops
€895Multiple Airlines
Thu, 23 Apr - Mon, 4 May
Multiple Airlines Logo
12:15 - 19:00
SNN
-
SJO
37h 45m
3 stops
Multiple Airlines Logo
07:15 - 21:35
SJO
-
SNN
31h 20m
3 stops
€962Multiple Airlines
Thu, 23 Apr - Mon, 4 May

JetBlue flights from Ireland to Costa Rica

Our best JetBlue deals on Ireland to Costa Rica flight tickets
JetBlue
4 May
DUB11:30Dublin
17h 44m
1 stop
SJO22:14San José Juan Santamaria Intl
11 May
SJO23:59San José Juan Santamaria Intl
26h 01m
1 stop
DUB09:00Dublin
€514
JetBlue
5 May
DUB11:30Dublin
17h 44m
1 stop
SJO22:14San José Juan Santamaria Intl
12 May
SJO23:59San José Juan Santamaria Intl
26h 01m
1 stop
DUB09:00Dublin
€643
JetBlue
19 May
DUB11:30Dublin
17h 50m
1 stop
SJO22:20San José Juan Santamaria Intl
26 May
SJO13:55San José Juan Santamaria Intl
36h 05m
1 stop
DUB09:00Dublin
€667

Delta flights from Ireland to Costa Rica

Our best Delta deals on Ireland to Costa Rica flight tickets
Delta
27 Apr
DUB10:00Dublin
32h 56m
2 stops
SJO11:56San José Juan Santamaria Intl
12 May
SJO13:20San José Juan Santamaria Intl
20h 20m
2 stops
DUB16:40Dublin
€764
Delta
5 May
DUB11:00Dublin
31h 56m
1 stop
SJO11:56San José Juan Santamaria Intl
12 May
SJO13:20San José Juan Santamaria Intl
20h 20m
2 stops
DUB16:40Dublin
€805
Delta
21 Apr
DUB13:15Dublin
29h 41m
2 stops
SJO11:56San José Juan Santamaria Intl
25 Apr
SJO14:31San José Juan Santamaria Intl
35h 44m
2 stops
DUB09:15Dublin
€916

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 9 April 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

Mon 4/5

11:30-22:14

1 stop17h 44m

San José Juan Santamaria Intl

Mon 11/5

23:59-09:00

1 stop26h 01m

€514

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 5/5

11:30-22:14

1 stop17h 44m

San José Juan Santamaria Intl

Tue 12/5

23:59-09:00

1 stop26h 01m

€643

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 19/5

11:30-22:20

1 stop17h 50m

San José Juan Santamaria Intl

Tue 26/5

13:55-09:00

1 stop36h 05m

€667

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 16/5

11:30-22:20

1 stop17h 50m

San José Juan Santamaria Intl

Wed 27/5

13:55-09:00

1 stop36h 05m

€672

DublinSan José

DUB - SJO

DUBSJO

Dublin

Thu 28/5

18:35-14:05

1 stop26h 30m

San José Juan Santamaria Intl

Fri 12/6

15:50-07:55

1 stop33h 05m

€737
Fastest return journey

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 8/9

07:30-20:14

2 stops19h 44m

San José Juan Santamaria Intl

Wed 30/9

07:00-09:40

2 stops19h 40m

€746

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 17/9

09:20-12:10

2 stops33h 50m

Liberia

Mon 21/9

13:20-10:40

2 stops38h 20m

€782

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 17/9

09:20-12:10

2 stops33h 50m

Liberia

Mon 21/9

13:20-07:30

2 stops35h 10m

€783

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 23/4

12:15-08:50

2 stops27h 35m

San José Juan Santamaria Intl

Mon 4/5

07:15-21:35

3 stops31h 20m

€895

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 23/4

12:15-19:00

3 stops37h 45m

San José Juan Santamaria Intl

Mon 4/5

07:15-21:35

3 stops31h 20m

€962

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 September. Flight prices, which tend to average around €677, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Costa Rica from Ireland during May instead. Flights to Costa Rica in May, while not as cheap as those in September, still average around €685.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around €769 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Ireland for as low as €701 on momondo.

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

You could potentially save up to 34% 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

17h 50m

Direct flights

None
The fastest flight from Ireland to Costa Rica takes 17h 50m
There are no direct flights from Ireland to Costa Rica. There are no popular flight routes from Ireland to Costa Rica.
Search flight deals

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 €617Free CancellationRating
7.1
10,907 reviews
Search Air Canada flights
United AirlinesPriceFrom €678Free CancellationRating
7.4
9,555 reviews
Search United Airlines flights
KLMPriceFrom €709Free CancellationRating
7.7
1,492 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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