Cheap flights from Dublin to Costa Rica from €300

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Costa Rica departing on 26/2. 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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Cheap return flights

WestJet Logo
09:45 - 12:21DUB-LIR
57h 36m2 stops
WestJet Logo
13:25 - 10:00LIR-DUB
13h 35m1 stop
€608WestJet
Find Deal
Sat, 4 Oct - Sat, 11 Oct
 Logo
05:00 - 22:55DUB-SJO
23h 55m2 stops
 Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€620
Find Deal
Thu, 4 Dec - Thu, 15 Jan
 Logo
05:10 - 22:55DUB-SJO
23h 45m2 stops
 Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€621
Find Deal
Fri, 28 Nov - Sun, 7 Dec
 Logo
09:20 - 22:55DUB-SJO
19h 35m2 stops
 Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€622
Find Deal
Thu, 4 Dec - Thu, 15 Jan
Air Canada Logo
09:00 - 22:55DUB-SJO
19h 55m1 stop
Air Canada Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€627Air Canada
Find Deal
Fri, 28 Nov - Sun, 7 Dec
Air Canada Logo
09:00 - 22:55DUB-SJO
19h 55m1 stop
Air Canada Logo
08:35 - 07:10SJO-DUB
16h 35m1 stop
€652Air Canada
Find Deal
Sat, 29 Nov - Sun, 7 Dec
United Airlines Logo
09:30 - 13:15DUB-SJO
33h 45m2 stops
United Airlines Logo
23:28 - 09:55SJO-DUB
28h 27m1 stop
€655United Airlines
Find Deal
Sat, 8 Nov - Sat, 29 Nov
United Airlines Logo
09:30 - 19:53DUB-SJO
16h 23m1 stop
United Airlines Logo
14:30 - 10:20SJO-DUB
13h 50m1 stop
€658United Airlines
Find Deal
Sat, 8 Nov - Sat, 29 Nov
Delta Logo
10:00 - 12:00DUB-LIR
33h 00m2 stops
Delta Logo
13:25 - 09:15LIR-DUB
36h 50m2 stops
€849Delta
Find Deal
Thu, 25 Sep - Mon, 29 Sep
Delta Logo
15:00 - 12:00DUB-LIR
28h 00m2 stops
Delta Logo
13:25 - 09:15LIR-DUB
36h 50m2 stops
€850Delta
Find Deal
Thu, 25 Sep - Mon, 29 Sep

Air Canada flights from Dublin to Costa Rica

Our best Air Canada deals on Dublin to Costa Rica flight tickets
Air Canada
6 Sept
DUB09:20Dublin
20h 35m
2 stops
SJO22:55San José Juan Santamaria Intl
19 Sept
SJO08:00San José Juan Santamaria Intl
16h 45m
2 stops
DUB07:45Dublin
Air Canada
28 Nov
DUB09:00Dublin
19h 55m
1 stop
SJO22:55San José Juan Santamaria Intl
7 Dec
SJO08:35San José Juan Santamaria Intl
16h 35m
1 stop
DUB07:10Dublin
Air Canada
6 Sept
DUB09:50Dublin
20h 05m
1 stop
SJO22:55San José Juan Santamaria Intl
19 Sept
SJO08:00San José Juan Santamaria Intl
16h 45m
2 stops
DUB07:45Dublin

United Airlines flights from Dublin to Costa Rica

Our best United Airlines deals on Dublin to Costa Rica flight tickets
United Airlines
8 Nov
DUB09:30Dublin
33h 45m
2 stops
SJO13:15San José Juan Santamaria Intl
29 Nov
SJO23:28San José Juan Santamaria Intl
28h 27m
1 stop
DUB09:55Dublin
United Airlines
8 Nov
DUB09:30Dublin
16h 23m
1 stop
SJO19:53San José Juan Santamaria Intl
29 Nov
SJO14:30San José Juan Santamaria Intl
13h 50m
1 stop
DUB10:20Dublin
United Airlines
24 Nov
DUB12:05Dublin
29h 39m
2 stops
LIR11:44Liberia
6 Dec
LIR08:35Liberia
16h 55m
2 stops
DUB07:30Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 31 August 2025.
Use the filters below to find and compare flights from Dublin to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Sat 4/10

09:45-12:21

2 stops57h 36m

Liberia

Sat 11/10

13:25-10:00

1 stop13h 35m

€608

DublinSan José

DUB - SJO

DUBSJO

Dublin

Thu 4/12

05:00-22:55

2 stops23h 55m

San José Juan Santamaria Intl

Thu 15/1

08:35-07:10

1 stop16h 35m

€620

DublinSan José

DUB - SJO

DUBSJO

Dublin

Fri 28/11

05:10-22:55

2 stops23h 45m

San José Juan Santamaria Intl

Sun 7/12

08:35-07:10

1 stop16h 35m

€621

DublinSan José

DUB - SJO

DUBSJO

Dublin

Thu 4/12

09:20-22:55

2 stops19h 35m

San José Juan Santamaria Intl

Thu 15/1

08:35-07:10

1 stop16h 35m

€622

DublinSan José

DUB - SJO

DUBSJO

Dublin

Fri 28/11

09:00-22:55

1 stop19h 55m

San José Juan Santamaria Intl

Sun 7/12

08:35-07:10

1 stop16h 35m

€627

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 29/11

09:00-22:55

1 stop19h 55m

San José Juan Santamaria Intl

Sun 7/12

08:35-07:10

1 stop16h 35m

€652

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 8/11

09:30-13:15

2 stops33h 45m

San José Juan Santamaria Intl

Sat 29/11

23:28-09:55

1 stop28h 27m

€655

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 8/11

09:30-19:53

1 stop16h 23m

San José Juan Santamaria Intl

Sat 29/11

14:30-10:20

1 stop13h 50m

€658

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 25/9

10:00-12:00

2 stops33h 00m

Liberia

Mon 29/9

13:25-09:15

2 stops36h 50m

€849

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 25/9

15:00-12:00

2 stops28h 00m

Liberia

Mon 29/9

13:25-09:15

2 stops36h 50m

€850

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 Dublin 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 Dublin is in September. Flight prices, which tend to average around €677, 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 Dublin during June instead. Flights to Costa Rica in June, while not as cheap as those in September, still average around €682.

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 €684. 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 €1,054. 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 Dublin to Costa Rica when you can find flight prices for as low as €756. 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 €847 on average. Flights to Costa Rica from Dublin 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 Dublin 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 Dublin for as low as €593 on momondo.

Cheap Dublin to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Costa Rica

Direct flights

None
There are no direct flights from Dublin to Costa Rica. There are no popular flight routes from Dublin to Costa Rica.
  • When did momondo last update prices for flights from Dublin Airport to Costa Rica?

    Prices for flights from Dublin Airport to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from Dublin Airport to Costa Rica?

  • How old do you have to be to fly from Dublin Airport to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Dublin to Costa Rica

Compare and see reviews for airlines that fly from Dublin to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom €487Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom €538Free CancellationRating
7.4
8,942 reviews
Search United Airlines flights
Air FrancePriceFrom €730Free CancellationRating
7.4
1,472 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Dublin 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 Dublin to Costa Rica for you.

Can I find flights from Dublin to Costa Rica with flexible booking policies on momondo?

All flight searches from Dublin to Costa Rica on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin to Costa Rica?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Costa Rica.

I’m not ready to book a flight from Dublin to Costa Rica right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dublin to Costa Rica now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Costa Rica and let you know when they change.

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1 adult
Fri 5/9
Fri 12/9