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Cheap flights from Ireland to Costa Rica

DUB — SJO
2 Oct — 9 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ireland to Costa Rica

Popular in

August

Cheapest in

September

Average price

£584
Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from Ireland to Costa Rica

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

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ireland to Costa Rica. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ireland to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Ireland to Costa Rica (average of £584). Flying from Ireland to Costa Rica in August is currently the most expensive (average of £830). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Costa Rica

Check out reviews from past customers who have flown with United Airlines from Ireland to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,158 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
10,158 reviews
United Airlines
7.4
Good
10,158 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

  • Can I find deals for flights from Ireland to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Ireland to Costa Rica flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Costa Rica.

  • Can I find deals for business class flights from Ireland to Costa Rica?

    Yes. Cheapflights offers flight deals from Ireland to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Ireland to Costa Rica (average of £584). Flying from Ireland to Costa Rica in August is currently the most expensive (average of £830). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ireland to Costa Rica

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Manchester to Panama City flights
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London City to San Salvador flights
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Newcastle upon Tyne to San José flights
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Frankfurt to San José flights
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Edinburgh to Panama City flights
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Top airline flying from Ireland to Costa Rica

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£496Average£703FlexibilityNo cancel feeOn-time69%
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Can Cheapflights find flights from Ireland to Costa Rica with no change fees?

Certainly. Search results for flights to Costa Rica from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Not ready to book yet? You can track prices for flights from Ireland to Costa Rica on Cheapflights with our Price Alert feature and get notified when better prices are available.

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