Cheap flights from Ireland to Costa Rica from €289

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 28/1. 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.
Multiple Airlines Logo
10:45 - 08:50DUB-SJO
28h 05m2 stops
Multiple Airlines Logo
16:15 - 07:55SJO-DUB
33h 40m2 stops
€588Multiple Airlines
Find Deal
Sun, 1 Mar - Tue, 17 Mar
Multiple Airlines Logo
09:00 - 23:15DUB-SJO
44h 15m2 stops
Multiple Airlines Logo
20:10 - 12:00SJO-DUB
33h 50m2 stops
€625Multiple Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Air Canada Logo
09:00 - 23:15DUB-SJO
20h 15m2 stops
Air Canada Logo
08:50 - 07:10SJO-DUB
40h 20m2 stops
€663Air Canada
Find Deal
Sun, 23 Nov - Mon, 8 Dec
Air Canada Logo
09:30 - 23:15DUB-SJO
19h 45m2 stops
Air Canada Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€691Air Canada
Find Deal
Tue, 25 Nov - Tue, 9 Dec
United Airlines Logo
09:00 - 12:56DUB-SJO
33h 56m2 stops
United Airlines Logo
13:30 - 10:20SJO-DUB
14h 50m1 stop
€702United Airlines
Find Deal
Wed, 14 Jan - Sun, 8 Mar
United Airlines Logo
09:00 - 19:53DUB-SJO
16h 53m2 stops
United Airlines Logo
14:00 - 09:55SJO-DUB
13h 55m1 stop
€703United Airlines
Find Deal
Wed, 19 Nov - Sun, 23 Nov
Delta Logo
13:15 - 12:04DUB-SJO
53h 49m2 stops
Delta Logo
14:30 - 10:45SJO-DUB
37h 15m2 stops
€730Delta
Find Deal
Sat, 2 May - Sat, 9 May
Air France Logo
06:00 - 17:25DUB-SJO
18h 25m1 stop
Air France Logo
19:40 - 08:20SJO-DUB
29h 40m1 stop
€743Air France
Find Deal
Sun, 3 May - Mon, 11 May
Delta Logo
06:00 - 22:07DUB-SJO
22h 07m2 stops
Delta Logo
07:00 - 07:45SJO-DUB
18h 45m1 stop
€751Delta
Find Deal
Tue, 25 Nov - Sun, 7 Dec
Air France Logo
16:45 - 17:50DUB-SJO
31h 05m1 stop
Air France Logo
20:05 - 07:50SJO-DUB
29h 45m1 stop
€755Air France
Find Deal
Wed, 3 Dec - Wed, 28 Jan

Delta flights from Ireland to Costa Rica

Our best Delta deals on Ireland to Costa Rica flight tickets
Delta
2 May
DUB13:15Dublin
53h 49m
2 stops
SJO12:04San José Juan Santamaria Intl
9 May
SJO14:30San José Juan Santamaria Intl
37h 15m
2 stops
DUB10:45Dublin
Delta
25 Nov
DUB06:00Dublin
22h 07m
2 stops
SJO22:07San José Juan Santamaria Intl
7 Dec
SJO07:00San José Juan Santamaria Intl
18h 45m
1 stop
DUB07:45Dublin
Delta
23 Nov
DUB05:55Dublin
22h 12m
2 stops
SJO22:07San José Juan Santamaria Intl
7 Dec
SJO07:00San José Juan Santamaria Intl
18h 45m
1 stop
DUB07:45Dublin

Air France flights from Ireland to Costa Rica

Our best Air France deals on Ireland to Costa Rica flight tickets
Air France
3 May
DUB06:00Dublin
18h 25m
1 stop
SJO17:25San José Juan Santamaria Intl
11 May
SJO19:40San José Juan Santamaria Intl
29h 40m
1 stop
DUB08:20Dublin
Air France
3 Dec
DUB16:45Dublin
31h 05m
1 stop
SJO17:50San José Juan Santamaria Intl
28 Jan
SJO20:05San José Juan Santamaria Intl
29h 45m
1 stop
DUB07:50Dublin

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 4 November 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 1/3

10:45-08:50

2 stops28h 05m

San José Juan Santamaria Intl

Tue 17/3

16:15-07:55

2 stops33h 40m

€588

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 17/11

09:00-23:15

2 stops44h 15m

San José Juan Santamaria Intl

Mon 24/11

20:10-12:00

2 stops33h 50m

€625

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 23/11

09:00-23:15

2 stops20h 15m

San José Juan Santamaria Intl

Mon 8/12

08:50-07:10

2 stops40h 20m

€663

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 25/11

09:30-23:15

2 stops19h 45m

San José Juan Santamaria Intl

Tue 9/12

08:35-07:10

1 stop16h 35m

€691

DublinSan José

DUB - SJO

DUBSJO

Dublin

Wed 14/1

09:00-12:56

2 stops33h 56m

San José Juan Santamaria Intl

Sun 8/3

13:30-10:20

1 stop14h 50m

€702

DublinSan José

DUB - SJO

DUBSJO

Dublin

Wed 19/11

09:00-19:53

2 stops16h 53m

San José Juan Santamaria Intl

Sun 23/11

14:00-09:55

1 stop13h 55m

€703

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 2/5

13:15-12:04

2 stops53h 49m

San José Juan Santamaria Intl

Sat 9/5

14:30-10:45

2 stops37h 15m

€730

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 3/5

06:00-17:25

1 stop18h 25m

San José Juan Santamaria Intl

Mon 11/5

19:40-08:20

1 stop29h 40m

€743

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 25/11

06:00-22:07

2 stops22h 07m

San José Juan Santamaria Intl

Sun 7/12

07:00-07:45

1 stop18h 45m

€751

DublinSan José

DUB - SJO

DUBSJO

Dublin

Wed 3/12

16:45-17:50

1 stop31h 05m

San José Juan Santamaria Intl

Wed 28/1

20:05-07:50

1 stop29h 45m

€755

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 February. Flight prices, which tend to average around €664, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Costa Rica from Ireland during September instead. Flights to Costa Rica in September, while not as cheap as those in February, still average around €688.

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 €695. 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 €1,071. 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 €768. 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 €861 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 €747 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 €597 on momondo.

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

Direct flights

None
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 €495Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
United AirlinesPriceFrom €547Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
LufthansaPriceFrom €651Free CancellationRating
6.8
7,553 reviews
Search Lufthansa flights
Air FrancePriceFrom €719Free CancellationRating
7.4
1,482 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
Thu 4/12
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