€420 Find Cheap Flights from Costa Rica to Ireland

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ireland

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

KAYAK's insights & trends for flights to Ireland

Get data-powered insights and trends for flights to Ireland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Costa Rica to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Costa Rica to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Costa Rica to Ireland is January, when tickets cost €817 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is €1,164 and €1,143 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Costa Rica to Ireland, you should book around 6 weeks before departure. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.


Good to know

Low seasonFebruary
High seasonSeptember
Cheapest flight€420
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flight from San José to Dublin

FAQs for booking flights from Costa Rica to Ireland

  • How does KAYAK find such low prices on flights from Costa Rica to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Costa Rica to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Costa Rica to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Costa Rica to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Costa Rica to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Costa Rica to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Costa Rica to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Costa Rica to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally in the morning, when round-trip flights cost €930 on average. The most expensive time of day to fly to Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is €930.

Book cheap flights from Costa Rica to Ireland

Recent return flight deals

2/9Tue
3 stops
34h 27mSJO-DUB
9/9Tue
2 stops
39h 23mDUB-SJO
€720
2/9Tue
3 stops
34h 27mSJO-DUB
9/9Tue
3 stops
34h 43mDUB-SJO
€759
1/10Wed
1 stopAir France
20h 15mSJO-DUB
22/10Wed
1 stopAir France
15h 00mDUB-SJO
€818
1/10Wed
1 stopAir France
20h 15mSJO-DUB
22/10Wed
1 stopAir France
32h 15mDUB-SJO
€830
25/6Wed
2 stopsKLM
17h 35mSJO-DUB
25/2Wed
1 stopKLM
18h 30mDUB-SJO
€848
1/7Tue
2 stopsKLM
17h 35mSJO-DUB
15/7Tue
1 stopKLM
31h 56mDUB-SJO
€851
26/9Fri
1 stopIberia
18h 30mSJO-DUB
3/10Fri
1 stopIberia
15h 15mDUB-SJO
€906
4/10Sat
1 stopIberia
33h 20mSJO-DUB
18/10Sat
2 stopsIberia
19h 28mDUB-SJO
€962
27/6Fri
2 stopsAir Canada
16h 45mSJO-DUB
20/8Wed
2 stopsAir Canada
41h 35mDUB-SJO
€1,064
29/6Sun
2 stopsAir Canada
16h 45mSJO-DUB
29/7Tue
2 stopsAir Canada
20h 30mDUB-SJO
€1,202

Search by stops

Search by airline

Search by price

Recent one-way flight deals

1/9Mon
3 stops
31h 45mSJO-DUB
€420
19/11Wed
3 stops
51h 45mSJO-DUB
€430
9/12Tue
1 stop
41h 15mSJO-DUB
€438
25/7Fri
1 stopAir Canada
16h 50mSJO-DUB
€581
23/6Mon
2 stopsAir Canada
41h 20mSJO-DUB
€586
14/11Fri
1 stopSWISS
19h 00mSJO-DUB
€598
5/8Tue
1 stopUnited Airlines
15h 26mSJO-DUB
€606
15/7Tue
1 stopUnited Airlines
15h 26mSJO-DUB
€606
1/7Tue
1 stopLufthansa
14h 30mSJO-DUB
€619
15/10Wed
3 stopsLufthansa
19h 15mSJO-DUB
€667

Search by stops

Search by airline

Search by price

Last minute flights to Ireland

Last minute flight, train and bus deals

16/6Mon
multi-stop
35h 45mSJO-DUB
19/6Thu
multi-stop
33h 46mDUB-SJO
€827
16/6Mon
multi-stop
35h 45mSJO-DUB
19/6Thu
multi-stop
34h 27mDUB-SJO
€855
15/6Sun
multi-stopAir France
18h 47mSJO-DUB
22/6Sun
multi-stopAir France
18h 25mDUB-SJO
€904
15/6Sun
multi-stopAir France
18h 47mSJO-DUB
22/6Sun
multi-stopAir France
18h 25mDUB-SJO
€931
16/6Mon
multi-stopIberia
18h 30mSJO-DUB
19/6Thu
multi-stopIberia
27h 15mDUB-SJO
€936
16/6Mon
multi-stop
35h 45mSJO-DUB
19/6Thu
multi-stop
16h 20mDUB-SJO
€956
16/6Mon
multi-stopIberia
18h 30mSJO-DUB
18/6Wed
multi-stopIberia
27h 15mDUB-SJO
€973
15/6Sun
multi-stop
18h 47mSJO-DUB
22/6Sun
multi-stop
18h 45mDUB-SJO
€1,022
15/6Sun
multi-stop
18h 47mSJO-DUB
22/6Sun
multi-stop
18h 45mDUB-SJO
€1,051
15/6Sun
multi-stopTurkish Airlines
43h 25mSJO-DUB
22/6Sun
multi-stopTurkish Airlines
37h 35mDUB-SJO
€1,785

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Ireland

Cabin class types available on flights to Ireland

Cabin classes available on flights to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.