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Flights to Costa Rica

€604 Cheap flights to Costa Rica

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Costa Rica departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent flights found to popular cities in Costa Rica

Find flights to these popular cities in Costa Rica from your nearest airport.

Flights to San José

Search all flight deals to San José
JetBlue
4 May
DUB
17h 34m
1 stop
SJO
19 May
SJO
26h 01m
1 stop
DUB
€604
JetBlue
4 May
DUB
17h 34m
1 stop
SJO
19 May
SJO
26h 01m
1 stop
DUB
€607
Air Canada
4 May
DUB
19h 10m
1 stop
SJO
19 May
SJO
40h 45m
2 stops
DUB
€722
Air Canada
4 May
DUB
19h 10m
1 stop
SJO
19 May
SJO
40h 45m
2 stops
DUB
€727
Air Canada
16 May
DUB
19h 40m
1 stop
SJO
27 May
SJO
16h 45m
2 stops
DUB
€741
Multiple Airlines
4 May
DUB
22h 55m
2 stops
SJO
19 May
SJO
17h 15m
1 stop
DUB
€742
Air Canada
16 May
DUB
19h 40m
2 stops
SJO
27 May
SJO
16h 45m
2 stops
DUB
€744
Air Canada
16 May
DUB
42h 15m
2 stops
SJO
27 May
SJO
16h 45m
2 stops
DUB
€747
Air Canada
16 May
DUB
19h 40m
1 stop
SJO
27 May
SJO
16h 45m
2 stops
DUB
€759
United Airlines
28 May
DUB
31h 51m
2 stops
SJO
1 Jun
SJO
19h 45m
2 stops
DUB
€760
United Airlines
17 Apr
DUB
31h 21m
2 stops
SJO
4 May
SJO
34h 55m
2 stops
DUB
€761
Air Canada
16 May
DUB
19h 40m
2 stops
SJO
27 May
SJO
16h 45m
2 stops
DUB
€762

Flights to Liberia

Search all flight deals to Liberia
JetBlue
7 May
DUB
32h 00m
1 stop
LIR
15 May
LIR
36h 00m
1 stop
DUB
€671
JetBlue
30 Apr
DUB
32h 10m
1 stop
LIR
7 May
LIR
36h 00m
1 stop
DUB
€701
United Airlines
7 May
DUB
33h 20m
2 stops
LIR
15 May
LIR
35h 00m
2 stops
DUB
€754
United Airlines
29 Apr
DUB
29h 35m
2 stops
LIR
6 May
LIR
35h 00m
2 stops
DUB
€777
Lufthansa
30 Apr
DUB
33h 49m
2 stops
LIR
7 May
LIR
32h 53m
2 stops
DUB
€784
United Airlines
8 Jul
DUB
32h 00m
2 stops
LIR
27 Jul
LIR
35h 18m
2 stops
DUB
€785
United Airlines
8 Jul
DUB
36h 35m
2 stops
LIR
23 Jul
LIR
33h 18m
2 stops
DUB
€788
Multiple Airlines
29 Apr
DUB
34h 50m
1 stop
LIR
6 May
LIR
27h 40m
1 stop
DUB
€791
United Airlines
8 Jul
DUB
32h 00m
2 stops
LIR
22 Jul
LIR
33h 48m
2 stops
DUB
€793
Multiple Airlines
29 Apr
DUB
38h 45m
2 stops
LIR
6 May
LIR
27h 40m
1 stop
DUB
€794
United Airlines
12 Jul
DUB
31h 30m
2 stops
LIR
27 Jul
LIR
35h 18m
2 stops
DUB
€808
United Airlines
9 Jul
DUB
31h 35m
2 stops
LIR
21 Jul
LIR
32h 53m
2 stops
DUB
€810

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.
JetBlue Logo
11:40 - 22:14
DUB
-
SJO
17h 34m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€604JetBlue
Mon, 4 May - Tue, 19 May
JetBlue Logo
11:40 - 22:14
DUB
-
SJO
17h 34m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€607JetBlue
Mon, 4 May - Tue, 19 May
JetBlue Logo
11:40 - 12:40
DUB
-
LIR
32h 00m
1 stop
JetBlue Logo
14:00 - 09:00
LIR
-
DUB
36h 00m
1 stop
€671JetBlue
Thu, 7 May - Fri, 15 May
Air Canada Logo
09:50 - 22:00
DUB
-
SJO
19h 10m
1 stop
Air Canada Logo
08:00 - 07:45
SJO
-
DUB
40h 45m
2 stops
€722Air Canada
Mon, 4 May - Tue, 19 May
Air Canada Logo
09:50 - 22:00
DUB
-
SJO
19h 10m
1 stop
Air Canada Logo
08:00 - 07:45
SJO
-
DUB
40h 45m
2 stops
€727Air Canada
Mon, 4 May - Tue, 19 May
Multiple Airlines Logo
06:05 - 22:00
DUB
-
SJO
22h 55m
2 stops
Multiple Airlines Logo
08:00 - 08:15
SJO
-
DUB
17h 15m
1 stop
€742Multiple Airlines
Mon, 4 May - Tue, 19 May
United Airlines Logo
09:50 - 12:10
DUB
-
LIR
33h 20m
2 stops
United Airlines Logo
13:20 - 07:20
LIR
-
DUB
35h 00m
2 stops
€754United Airlines
Thu, 7 May - Fri, 15 May
United Airlines Logo
09:20 - 22:39
DUB
-
SJO
44h 19m
2 stops
United Airlines Logo
12:44 - 11:10
SJO
-
DUB
15h 26m
1 stop
€760United Airlines
Thu, 28 May - Mon, 1 Jun
Lufthansa Logo
12:30 - 15:19
DUB
-
LIR
33h 49m
2 stops
Lufthansa Logo
15:27 - 07:20
LIR
-
DUB
32h 53m
2 stops
€784Lufthansa
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
09:50 - 13:40
DUB
-
LIR
34h 50m
1 stop
Multiple Airlines Logo
21:15 - 07:55
LIR
-
DUB
27h 40m
1 stop
€791Multiple Airlines
Wed, 29 Apr - Wed, 6 May

momondo Fare Finder

 
Locate flights to Costa Rica that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 18 March 2026.
Use the filters below to find and compare flights to Costa Rica that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 4/5

11:40-22:14

1 stop17h 34m

San José Juan Santamaria Intl

Tue 19/5

23:59-09:00

1 stop26h 01m

€604

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 4/5

11:40-22:14

1 stop17h 34m

San José Juan Santamaria Intl

Tue 19/5

23:59-09:00

1 stop26h 01m

€607

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 7/5

11:40-12:40

1 stop32h 00m

Liberia

Fri 15/5

14:00-09:00

1 stop36h 00m

€671

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 4/5

09:50-22:00

1 stop19h 10m

San José Juan Santamaria Intl

Tue 19/5

08:00-07:45

2 stops40h 45m

€722

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 4/5

09:50-22:00

1 stop19h 10m

San José Juan Santamaria Intl

Tue 19/5

08:00-07:45

2 stops40h 45m

€727
Fastest return journey

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 4/5

06:05-22:00

2 stops22h 55m

San José Juan Santamaria Intl

Tue 19/5

08:00-08:15

1 stop17h 15m

€742

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 7/5

09:50-12:10

2 stops33h 20m

Liberia

Fri 15/5

13:20-07:20

2 stops35h 00m

€754

DublinSan José

DUB - SJO

DUBSJO

Dublin

Thu 28/5

09:20-22:39

2 stops44h 19m

San José Juan Santamaria Intl

Mon 1/6

12:44-11:10

1 stop15h 26m

€760

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Thu 30/4

12:30-15:19

2 stops33h 49m

Liberia

Thu 7/5

15:27-07:20

2 stops32h 53m

€784

DublinLiberia

DUB - LIR

DUBLIR

Dublin

Wed 29/4

09:50-13:40

1 stop34h 50m

Liberia

Wed 6/5

21:15-07:55

1 stop27h 40m

€791

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

Costa Rica flights insights and trends

Explore insights for your Costa Rica flight to craft the best travel plan

Which airlines fly to Costa Rica?

United Airlines, Air Canada and KLM are the top three most popular airlines that fly to Costa Rica from Ireland according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Costa Rica. Keep in mind that there are 3 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

Cheapest flights to cities in Costa Rica

Click on the cities below to find out when it's cheapest to fly to Costa Rica from Ireland
San José
San José
Find flights to San José

Cheap Costa Rica flight deals and tips

Summary info about Costa Rica flight prices, duration and airlines

Best One-Way Price

€321

Best Round-Trip Price

€604

Fastest flight time

28h 00m

Popular in

December
The best one-way flight price to Costa Rica from Ireland in the last 72 hours is €321 (Dublin to San José Juan Santamaria Intl).
Search Deals
The best round-trip flight price to Costa Rica from Ireland in the last 72 hours is €604 (Dublin to San José Juan Santamaria Intl).
Search Deals
The fastest flight to Costa Rica from Ireland takes 28h 00m (Shannon to San José Juan Santamaria Intl).
Search Deals
December has the highest demand for flights to Costa Rica, with a 8% price increase on average.
Search Deals

Frequently asked questions about flying to Costa Rica

What is the best airport to land at to visit Parque Metropolitano La Sabana?

Flying into San José Airport is typically the best way to visit Parque Metropolitano La Sabana, since it is the closest airport to the area.

What is the cheapest flight to Costa Rica?

The cheapest flights to Costa Rica recently found by momondo users are €405 with Avianca, €592 with Air Canada, and €605 with SWISS.

Which airlines fly to Costa Rica?

United Airlines is the most popular airline offering flights to Costa Rica, with 52% of our users opting to fly with them when travelling to Costa Rica. Other popular options include Air Canada and KLM. There are a total of 3 different airlines flying to Costa Rica.

What is the most popular airport in Costa Rica to fly to?

San José Juan Santamaria Intl is the most popular airport in Costa Rica to fly to, with 87% of all users travelling to Costa Rica opting to take a flight into this airport. If you’re interested in staying in San José, which is the city in Costa Rica that is closest to San José Juan Santamaria Intl, then be sure to check momondo for cheap flight deals.

When did momondo last update prices for flights to Costa Rica?

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

How many operators does momondo search for flights to Costa Rica?

There are 5 operators available for flights to Costa Rica as of March 2026.

How old do you have to be to fly to Costa Rica?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel 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.

Why use momondo?

Why should I use momondo to find a flight deal 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 for you.

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

Yes. momondo enables you to select and highlight flights to Costa Rica with this policy.

How can momondo help me find flights to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Costa Rica.

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

Yes momondo offers price alerts on flights to Costa Rica. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Costa Rica

Popular Flights to Costa Rica

Popular routes according to searches in the past day on momondo
Dublin to San José flightsfrom €604
Shannon to San José flightsfrom €762
Dublin to Liberia flightsfrom €1,063