Cheap flights from Ireland to Costa Rica from €364

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 20/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Air Canada Logo
09:00 - 00:05
DUB
-
SJO
21h 05m1 stop
Air Canada Logo
08:35 - 07:10
SJO
-
DUB
16h 35m1 stop
€636Air Canada
Sun, 18 Jan - Sun, 25 Jan
Air Canada Logo
09:00 - 23:15
DUB
-
SJO
20h 15m2 stops
Air Canada Logo
08:35 - 07:10
SJO
-
DUB
16h 35m1 stop
€663Air Canada
Sun, 18 Jan - Sun, 25 Jan
Air Canada Logo
09:00 - 23:15
DUB
-
SJO
44h 15m2 stops
Air Canada Logo
08:35 - 07:10
SJO
-
DUB
16h 35m1 stop
€686Air Canada
Mon, 12 Jan - Sun, 25 Jan
Air Canada Logo
09:00 - 23:15
DUB
-
SJO
44h 15m2 stops
Air Canada Logo
08:35 - 07:10
SJO
-
DUB
16h 35m1 stop
€689Air Canada
Mon, 12 Jan - Sun, 25 Jan
Multiple Airlines Logo
18:35 - 12:55
DUB
-
SJO
25h 20m1 stop
Multiple Airlines Logo
07:15 - 08:15
SJO
-
DUB
18h 00m2 stops
€695Multiple Airlines
Sun, 17 May - Sat, 30 May
Multiple Airlines Logo
09:00 - 23:15
DUB
-
SJO
44h 15m2 stops
Multiple Airlines Logo
08:35 - 11:15
SJO
-
DUB
20h 40m2 stops
€713Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
United Airlines Logo
09:00 - 12:56
DUB
-
SJO
33h 56m2 stops
United Airlines Logo
08:45 - 08:10
SJO
-
DUB
41h 25m2 stops
€720United Airlines
Sun, 11 Jan - Sun, 18 Jan
United Airlines Logo
09:00 - 08:32
DUB
-
SJO
29h 32m2 stops
United Airlines Logo
14:05 - 08:10
SJO
-
DUB
36h 05m1 stop
€721United Airlines
Mon, 2 Feb - Sun, 8 Feb
British Airways Logo
07:50 - 21:02
SNN
-
SJO
19h 12m2 stops
British Airways Logo
08:00 - 19:25
SJO
-
SNN
29h 25m2 stops
€839British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
20:05 - 21:02
SNN
-
SJO
30h 57m2 stops
British Airways Logo
13:43 - 16:45
SJO
-
SNN
21h 02m2 stops
€840British Airways
Thu, 5 Feb - Mon, 9 Feb

Air Canada flights from Ireland to Costa Rica

Our best Air Canada deals on Ireland to Costa Rica flight tickets
Air Canada
18 Jan
DUB09:00Dublin
21h 05m
1 stop
SJO00:05San José Juan Santamaria Intl
25 Jan
SJO08:35San José Juan Santamaria Intl
16h 35m
1 stop
DUB07:10Dublin
Air Canada
18 Jan
DUB09:00Dublin
20h 15m
2 stops
SJO23:15San José Juan Santamaria Intl
25 Jan
SJO08:35San José Juan Santamaria Intl
16h 35m
1 stop
DUB07:10Dublin
Air Canada
12 Jan
DUB09:00Dublin
44h 15m
2 stops
SJO23:15San José Juan Santamaria Intl
25 Jan
SJO08:35San José Juan Santamaria Intl
16h 35m
1 stop
DUB07:10Dublin

United Airlines flights from Ireland to Costa Rica

Our best United Airlines deals on Ireland to Costa Rica flight tickets
United Airlines
18 Jan
DUB09:00Dublin
29h 32m
2 stops
SJO08:32San José Juan Santamaria Intl
25 Jan
SJO08:45San José Juan Santamaria Intl
40h 45m
2 stops
DUB07:30Dublin
United Airlines
11 Jan
DUB09:00Dublin
33h 56m
2 stops
SJO12:56San José Juan Santamaria Intl
18 Jan
SJO08:45San José Juan Santamaria Intl
41h 25m
2 stops
DUB08:10Dublin
United Airlines
2 Feb
DUB09:00Dublin
29h 32m
2 stops
SJO08:32San José Juan Santamaria Intl
8 Feb
SJO14:05San José Juan Santamaria Intl
36h 05m
1 stop
DUB08:10Dublin

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 21 December 2025.
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

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 18/1

09:00-00:05

1 stop21h 05m

San José Juan Santamaria Intl

Sun 25/1

08:35-07:10

1 stop16h 35m

€636

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 18/1

09:00-23:15

2 stops20h 15m

San José Juan Santamaria Intl

Sun 25/1

08:35-07:10

1 stop16h 35m

€663

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 12/1

09:00-23:15

2 stops44h 15m

San José Juan Santamaria Intl

Sun 25/1

08:35-07:10

1 stop16h 35m

€686

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 12/1

09:00-23:15

2 stops44h 15m

San José Juan Santamaria Intl

Sun 25/1

08:35-07:10

1 stop16h 35m

€689

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 17/5

18:35-12:55

1 stop25h 20m

San José Juan Santamaria Intl

Sat 30/5

07:15-08:15

2 stops18h 00m

€695

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 31/1

09:00-23:15

2 stops44h 15m

San José Juan Santamaria Intl

Sat 7/2

08:35-11:15

2 stops20h 40m

€713

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 11/1

09:00-12:56

2 stops33h 56m

San José Juan Santamaria Intl

Sun 18/1

08:45-08:10

2 stops41h 25m

€720

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 2/2

09:00-08:32

2 stops29h 32m

San José Juan Santamaria Intl

Sun 8/2

14:05-08:10

1 stop36h 05m

€721

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 5/2

07:50-21:02

2 stops19h 12m

San José Juan Santamaria Intl

Mon 9/2

08:00-19:25

2 stops29h 25m

€839

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 5/2

20:05-21:02

2 stops30h 57m

San José Juan Santamaria Intl

Mon 9/2

13:43-16:45

2 stops21h 02m

€840

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 €675, 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 February instead. Flights to Costa Rica in February, while not as cheap as those in September, still average around €676.

What is the cheapest day to depart on your flight to Costa Rica?

The cheapest day to depart on your flight to Costa Rica is on a Wednesday when prices can be found for as low as €682. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €1,051. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from Ireland to Costa Rica when you can find flight prices for as low as €754. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €845 on average. Flights to Costa Rica from Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 €749 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 €583 on momondo.

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

You could potentially save up to 9% 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

16h 23m

Direct flights

None
The fastest flight from Ireland to Costa Rica takes 16h 23m
There are no direct flights from Ireland to Costa Rica. There are no popular flight routes 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 €615Free CancellationRating
7.1
10,549 reviews
Search Air Canada flights
LufthansaPriceFrom €639Free CancellationRating
6.8
7,639 reviews
Search Lufthansa flights
United AirlinesPriceFrom €650Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights
Air FrancePriceFrom €702Free CancellationRating
7.4
1,509 reviews
Search Air France 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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1 adult
Tue 20/1
Tue 27/1