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Cheap flights from Ireland to Costa Rica from €356

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 21/3. 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.
United Airlines Logo
08:00 - 10:44
DUB
-
LIR
32h 44m
2 stops
United Airlines Logo
07:35 - 10:20
LIR
-
DUB
20h 45m
2 stops
€702United Airlines
Mon, 9 Mar - Mon, 16 Mar
United Airlines Logo
10:40 - 12:56
DUB
-
SJO
32h 16m
1 stop
United Airlines Logo
13:00 - 09:55
SJO
-
DUB
14h 55m
1 stop
€704United Airlines
Sun, 22 Feb - Tue, 10 Mar
United Airlines Logo
10:40 - 18:16
DUB
-
SJO
37h 36m
2 stops
United Airlines Logo
22:28 - 09:55
SJO
-
DUB
29h 27m
1 stop
€705United Airlines
Sat, 21 Feb - Sat, 7 Mar
United Airlines Logo
11:35 - 15:19
DUB
-
LIR
34h 44m
2 stops
United Airlines Logo
11:49 - 07:20
LIR
-
DUB
36h 31m
2 stops
€709United Airlines
Wed, 1 Apr - Wed, 15 Apr
Multiple Airlines Logo
10:40 - 12:30
DUB
-
LIR
32h 50m
2 stops
Multiple Airlines Logo
14:45 - 08:15
LIR
-
DUB
34h 30m
1 stop
€727Multiple Airlines
Wed, 1 Apr - Wed, 15 Apr
Multiple Airlines Logo
20:20 - 23:05
DUB
-
SJO
32h 45m
3 stops
Multiple Airlines Logo
19:48 - 10:45
SJO
-
DUB
32h 57m
3 stops
€728Multiple Airlines
Mon, 16 Mar - Sat, 21 Mar
British Airways Logo
16:50 - 19:07
SNN
-
SJO
57h 17m
2 stops
British Airways Logo
14:22 - 20:35
SJO
-
SNN
23h 13m
2 stops
€851British Airways
Thu, 14 May - Mon, 18 May
Air Canada Logo
09:50 - 13:40
DUB
-
LIR
34h 50m
1 stop
Air Canada Logo
14:45 - 08:15
LIR
-
DUB
34h 30m
1 stop
€853Air Canada
Wed, 1 Apr - Wed, 15 Apr
Lufthansa Logo
05:10 - 21:05
DUB
-
LIR
21h 55m
3 stops
Lufthansa Logo
22:20 - 22:45
LIR
-
DUB
18h 25m
2 stops
€883Lufthansa
Mon, 9 Mar - Mon, 16 Mar
Lufthansa Logo
05:55 - 20:05
DUB
-
LIR
21h 10m
3 stops
Lufthansa Logo
21:15 - 11:40
LIR
-
DUB
31h 25m
2 stops
€1,260Lufthansa
Wed, 1 Apr - Wed, 15 Apr

Air Canada flights from Ireland to Costa Rica

Our best Air Canada deals on Ireland to Costa Rica flight tickets
Air Canada
20 Apr
DUB09:50Dublin
18h 45m
1 stop
SJO21:35San José Juan Santamaria Intl
6 May
SJO08:00San José Juan Santamaria Intl
17h 15m
1 stop
DUB08:15Dublin
€746
Air Canada
30 Mar
DUB09:50Dublin
18h 35m
1 stop
SJO21:25San José Juan Santamaria Intl
13 Apr
SJO07:55San José Juan Santamaria Intl
17h 20m
1 stop
DUB08:15Dublin
€762
Air Canada
26 Mar
DUB13:35Dublin
39h 30m
2 stops
SJO23:05San José Juan Santamaria Intl
13 Apr
SJO07:55San José Juan Santamaria Intl
17h 20m
1 stop
DUB08:15Dublin
€791

United Airlines flights from Ireland to Costa Rica

Our best United Airlines deals on Ireland to Costa Rica flight tickets
United Airlines
9 Mar
DUB08:00Dublin
32h 44m
2 stops
LIR10:44Liberia
16 Mar
LIR07:35Liberia
20h 45m
2 stops
DUB10:20Dublin
€702
United Airlines
17 Feb
DUB10:40Dublin
27h 52m
2 stops
SJO08:32San José Juan Santamaria Intl
3 Mar
SJO23:28San José Juan Santamaria Intl
26h 42m
2 stops
DUB08:10Dublin
€704
United Airlines
21 Feb
DUB10:40Dublin
37h 36m
2 stops
SJO18:16San José Juan Santamaria Intl
7 Mar
SJO22:28San José Juan Santamaria Intl
29h 27m
1 stop
DUB09:55Dublin
€705

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 February 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

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Mon 9/3

08:00-10:44

2 stops32h 44m

Liberia

Mon 16/3

07:35-10:20

2 stops20h 45m

€702

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sun 22/2

10:40-12:56

1 stop32h 16m

San José Juan Santamaria Intl

Tue 10/3

13:00-09:55

1 stop14h 55m

€704

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 21/2

10:40-18:16

2 stops37h 36m

San José Juan Santamaria Intl

Sat 7/3

22:28-09:55

1 stop29h 27m

€705

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Wed 1/4

11:35-15:19

2 stops34h 44m

Liberia

Wed 15/4

11:49-07:20

2 stops36h 31m

€709

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Wed 1/4

10:40-12:30

2 stops32h 50m

Liberia

Wed 15/4

14:45-08:15

1 stop34h 30m

€727

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 16/3

20:20-23:05

3 stops32h 45m

San José Juan Santamaria Intl

Sat 21/3

19:48-10:45

3 stops32h 57m

€728

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 14/5

16:50-19:07

2 stops57h 17m

San José Juan Santamaria Intl

Mon 18/5

14:22-20:35

2 stops23h 13m

€851

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Wed 1/4

09:50-13:40

1 stop34h 50m

Liberia

Wed 15/4

14:45-08:15

1 stop34h 30m

€853

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Mon 9/3

05:10-21:05

3 stops21h 55m

Liberia

Mon 16/3

22:20-22:45

2 stops18h 25m

€883

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Wed 1/4

05:55-20:05

3 stops21h 10m

Liberia

Wed 15/4

21:15-11:40

2 stops31h 25m

€1,260

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 €670, 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 June instead. Flights to Costa Rica in June, while not as cheap as those in September, still average around €676.

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 €757 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 €677 on momondo.

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

You could potentially save up to 22% 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.
Search flight deals

  • 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 €623Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
LufthansaPriceFrom €634Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
United AirlinesPriceFrom €656Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air FrancePriceFrom €696Free CancellationRating
7.4
1,532 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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