€301 Find Cheap Flights from Dublin to Costa Rica

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dublin to Costa Rica departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Best Costa Rica Flight Deals from Dublin

Cheapest return prices found by our users on KAYAK in the last 72 hours
San José
San José2 stops€579
Liberia
Liberia2 stops€676
San José
San José2 stops€579
Liberia
Liberia2 stops€676

Cheap Flights from Dublin to Costa Rica

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Dublin to Costa Rica that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dublin to Costa Rica

Wed, 18 Feb - Wed, 4 Mar
 Logo
16:40 - 08:40DUB-SJO
22h 00m2 stops
 Logo
05:00 - 08:40SJO-DUB
21h 40m2 stops
€579
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Thu, 13 Nov - Sat, 22 Nov
 Logo
19:40 - 11:27DUB-SJO
45h 47m2 stops
 Logo
22:00 - 20:15SJO-DUB
16h 15m1 stop
€582
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Mon, 3 Nov - Sun, 16 Nov
Air Canada Logo
09:00 - 22:55DUB-SJO
19h 55m1 stop
Air Canada Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€629Air Canada
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Sat, 24 Jan - Wed, 4 Feb
Air Canada Logo
09:00 - 00:05DUB-SJO
21h 05m1 stop
Air Canada Logo
08:50 - 07:10SJO-DUB
40h 20m2 stops
€633Air Canada
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Sat, 4 Oct - Sat, 11 Oct
WestJet Logo
09:45 - 12:21DUB-LIR
57h 36m2 stops
WestJet Logo
13:25 - 10:00LIR-DUB
13h 35m1 stop
€676WestJet
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Wed, 18 Feb - Sat, 7 Mar
United Airlines Logo
09:00 - 19:53DUB-SJO
16h 53m2 stops
United Airlines Logo
14:30 - 10:20SJO-DUB
13h 50m1 stop
€699United Airlines
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Sun, 15 Feb - Wed, 4 Mar
United Airlines Logo
09:00 - 12:56DUB-SJO
33h 56m2 stops
United Airlines Logo
14:00 - 09:55SJO-DUB
13h 55m1 stop
€700United Airlines
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Sat, 4 Oct - Sat, 11 Oct
WestJet Logo
09:45 - 12:21DUB-LIR
57h 36m2 stops
WestJet Logo
13:25 - 10:00LIR-DUB
13h 35m1 stop
€742WestJet
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Thu, 25 Sep - Mon, 29 Sep
American Airlines Logo
13:45 - 11:49DUB-LIR
29h 04m2 stops
American Airlines Logo
14:02 - 05:30LIR-DUB
32h 28m2 stops
€1,029American Airlines
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Thu, 25 Sep - Mon, 29 Sep
American Airlines Logo
12:40 - 13:02DUB-LIR
31h 22m1 stop
American Airlines Logo
14:02 - 05:30LIR-DUB
32h 28m2 stops
€1,031American Airlines
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Booking Insights

KAYAK's insights & trends for Dublin to Costa Rica flights

Get data-powered insights and trends into flights from Dublin to Costa Rica to help you find the cheapest flights, the best time to fly, and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Dublin to Costa Rica, 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 Dublin to Costa Rica is September, when tickets cost €675 (return) on average. On the other hand, the most expensive months are December and October, when the average cost of return tickets is €1,100 and €827 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Dublin to Costa Rica, 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 a flight from Dublin to Costa Rica, you should book around 3 weeks before departure, which saves you about 28% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low seasonOctober
Cheapest flight€301
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly (45% more expensive on average)
Flight from Dublin to San José

FAQs - booking Costa Rica flights

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

    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 Dublin to Costa Rica.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Dublin to Costa Rica 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 Dublin to Costa Rica?

    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 Dublin to Costa Rica 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 Dublin to Costa Rica?

    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 Dublin to Costa Rica 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 Costa Rica?

    The cheapest time of day to fly to Costa Rica is generally in the evening, when retur flights cost €883 on average. Morning departures are around 10% more expensive than evening flights, on average. The most expensive time of day to fly to Costa Rica is generally in the afternoon, which is peak travel time and where the average cost of a ticket is €990.

Reviews of the top 4 airlines flying from Dublin to Costa Rica

 
Need help choosing which airline to fly with from Dublin to Costa Rica? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Air FranceOverall score based on 1469 reviews
7.4Comfort
7.0Entertainment
7.0Food
8.2Crew
7.4Boarding
Airline reviews

I bought business class tickets but the seats are exactly like economy with no comfort seats nor an empty seat next to me provided. Very poor, low quality airline.

2.0 MediocreAbdulhamid, Aug 2025CDG - VIE
Read more Air France reviews

I bought business class tickets but the seats are exactly like economy with no comfort seats nor an empty seat next to me provided. Very poor, low quality airline.

I don't understand the concept of paying to get your personal luggage onboard and then asked to check it in.... either sell the space or don't, its a hassle to carry those all through the airport just to make a check in at the last minute.

The food was great and the service and attitude was amazing!!

It was a great experience. The only thing I would have changed was that the bathrooms were never cleaned and they got very dirty.

Old airplanes small seats expensive tickets, not as expected overall and not comfortable according to the price

It was an OK flight with below mediocre service by their flight attendants

Wasted a lot of time trying to find the CDG lounge - it was not next to the connecting flight gate like the Air France staff said.

My experience was good overall, the quality of the food really decreased! There used to be a choice between meat and fish now it’s between chicken and pasta! In the choices of entertainment meditation has been added which is very good. Soft chair workout to improve blood circulation and avoid phlebitis should be added.

The only reason the overall rating wasn't "excellent" was due to problems in claiming luggage. The bags are delivered to the main area (Cinta 35) for domestic passengers, but to a DIFFERENT ROOM for international arrivees. After waiting 30 minutes, someone (who didn't appear to be from Air France or the airport) told us to go to another area. There we found our bags, which appeared to have been awaiting us for a while. We had to go through a bag check before leaving the airport. If we had been alerted to this possibility, or better yet, been to go directly to Cinta 34, we could have eliminated quite a bit of waiting.

Much better than the major US Carriers especially in Biz Class.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

Had one staff that was not pleasant. Seems they are stressed with too many people to care for.

Really good 😊 the woman at the gate entrance was a little rude checking in our carry-on but i dont think she worked for the airline, she worked for the airport at sacramento, other than that amazing.

United airlines, mediocre at best. No issues , nothing great . Worked for me

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

I liked that the flight was nonstop from ORD to CIU for $200 round trip.

The personnel were professional and friendly. The Boeing 737 Max 9 is too claustrophobic and was very warm at both airport gates, and still warm in the air.

The first flight was better in terms of the aircraft.

I swear airplane seats keep getting smaller and smaller but everything else was great. Smooth sailing and we got in early.

Flight was canceled due to labor dispute. Their customer service said I might be ok since strike was on sat. and I was flying Friday. The next morning it was canceled. It can ruin a trip and add stress.

Refreshments and Air Hostess was good. Issues with customs in Toronto caused flight to depart and left me behind twice. Vouchers for delayed flight needs to increase.

Seating wasn’t too cramped; I don’t understand how luggage bins get full if there are enough for each person. Shouldn’t there be room for the designated carry-on and personal item for each passenger at their seat? THEN, IF for some reason extra room is available for someone who prefers it, then shifts can occur. I’m simply saying it seems that I should have primary access to the storage bin at my seat and underneath in front of me. It was suggested that I go to the back of the plane to store my carry-on when I paid to have access to the first seat after 1st class. The additional stress and inconvenience could be avoided and I think all passengers and flight crew are interested in guidelines that are fair, clear, and reduce tension.

Upgraded to sit at the exit door so good leg room.

The app was great, service was wonderful, everything was quick and easy

It was delayed by almost 90 minutes and that messed up our plans but it was beyond UA’s control that is what we heard

In both directions, one of the two flights was delayed in departing. due to mechanical issues (not weather). That tells me that inspection and maintenance is not being done often enough to prevent such from occurring. In the outbound direction, the second leg was delayed and we had to change our plans for after landing, thus missing an expected event. In the return direction, the first leg that was delayed; we had a long enough layover that we were not hurried to make our connection, but others were not so lucky. Comment about this survey process: in the multiple choice answers, there is no option for "Not Applicable"; as we had no food on board, we can't properly answer that question.

The take off was delayed as we were told that the baggages had to be rearranged to balance the weight. I only took a carry-on and a personal item, but the overhead bin was extremely small, even a normal size carryon can’t fit it, so they had to check it in for free. The seat was really tight and no entertainment at all.

every single person involved showed their joy, working in the airline industry - it created a very pleasant atmosphere for everyone

A bit more space? Not practical, I know. I felt squished in but part of that could have been the man sitting next to me.

Food could have something without dairy, I couldn't eat anything. Tv for both seats was malfunctioning. They have one bottle of ginger ale for entire plane.... and I paid extra for these seats...very disappointed

Flight was late arriving. So, we left 25 min late. Pilot made some time up during the flight. Therefore, we arrived alittle past original time.

We were upgraded to economy plus and everything was awesome!

Flight was delayed and luggage was delivered day after arrival. In Bilbao they told me day after would be delivered faster if I went to Bilbao to get my own bags so I did. Wasted my morning.

It was as good as a flight in economy can be.

Change of fate should be done well ahead of time rather than a last minute thing without proper communication to the passengers

Exit row seat that cost extra to book had a bad monitor marked as out of order, so clearly something they should have fixed.

The crew was fantastic. They were always there when we needed them. No wifi on an 11 hour flight was a bummer. The entertainment onboard was boring.

We boarded the plane and waited for 30 minutes ultimately for them to cancel the flight due to engineering issues.

Everything you need to know for your flight from Dublin to Costa Rica

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