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Cheap flights from Ireland to San José from €384

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to San José departing on 18/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to San José

Recent return flight deals from Ireland to San José

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 - 22:20
DUB
-
SJO
17h 50m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€634JetBlue
Wed, 6 May - Sun, 10 May
JetBlue Logo
11:30 - 22:20
DUB
-
SJO
17h 50m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€635JetBlue
Fri, 8 May - Fri, 15 May
JetBlue Logo
11:30 - 22:20
DUB
-
SJO
17h 50m
1 stop
JetBlue Logo
23:59 - 09:00
SJO
-
DUB
26h 01m
1 stop
€643JetBlue
Mon, 11 May - Mon, 18 May
Lufthansa Logo
06:00 - 17:35
DUB
-
SJO
18h 35m
1 stop
Lufthansa Logo
19:25 - 08:05
SJO
-
DUB
29h 40m
1 stop
€705Lufthansa
Tue, 2 Jun - Tue, 9 Jun
Multiple Airlines Logo
09:50 - 22:00
DUB
-
SJO
19h 10m
2 stops
Multiple Airlines Logo
19:25 - 22:15
SJO
-
DUB
19h 50m
1 stop
€724Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
Multiple Airlines Logo
06:00 - 17:35
DUB
-
SJO
18h 35m
1 stop
Multiple Airlines Logo
07:10 - 08:15
SJO
-
DUB
18h 05m
1 stop
€735Multiple Airlines
Sat, 16 May - Sun, 31 May
United Airlines Logo
09:30 - 10:11
SNN
-
SJO
31h 41m
2 stops
United Airlines Logo
12:44 - 10:15
SJO
-
SNN
14h 31m
1 stop
€817United Airlines
Thu, 4 Jun - Mon, 8 Jun
United Airlines Logo
09:30 - 22:39
SNN
-
SJO
20h 09m
2 stops
United Airlines Logo
12:44 - 10:15
SJO
-
SNN
14h 31m
1 stop
€817United Airlines
Thu, 4 Jun - Mon, 8 Jun
British Airways Logo
21:15 - 19:07
SNN
-
SJO
52h 52m
2 stops
British Airways Logo
12:50 - 20:35
SJO
-
SNN
24h 45m
2 stops
€942British Airways
Sun, 17 May - Thu, 21 May
British Airways Logo
21:15 - 19:07
SNN
-
SJO
52h 52m
2 stops
British Airways Logo
15:08 - 20:35
SJO
-
SNN
22h 27m
2 stops
€944British Airways
Sun, 17 May - Thu, 21 May

JetBlue flights from Ireland to San José

Our best JetBlue deals on Ireland to San José flight tickets
JetBlue
6 May
DUB11:30Dublin
17h 50m
1 stop
SJO22:20San José Juan Santamaria Intl
10 May
SJO23:59San José Juan Santamaria Intl
26h 01m
1 stop
DUB09:00Dublin
€634
JetBlue
8 May
DUB11:30Dublin
17h 50m
1 stop
SJO22:20San José Juan Santamaria Intl
15 May
SJO23:59San José Juan Santamaria Intl
26h 01m
1 stop
DUB09:00Dublin
€635
JetBlue
11 May
DUB11:30Dublin
17h 50m
1 stop
SJO22:20San José Juan Santamaria Intl
18 May
SJO23:59San José Juan Santamaria Intl
26h 01m
1 stop
DUB09:00Dublin
€643

Lufthansa flights from Ireland to San José

Our best Lufthansa deals on Ireland to San José flight tickets
Lufthansa
2 Jun
DUB06:00Dublin
18h 35m
1 stop
SJO17:35San José Juan Santamaria Intl
9 Jun
SJO19:25San José Juan Santamaria Intl
29h 40m
1 stop
DUB08:05Dublin
€705
Lufthansa
13 Jun
DUB08:50Dublin
15h 45m
1 stop
SJO17:35San José Juan Santamaria Intl
28 Jun
SJO14:40San José Juan Santamaria Intl
24h 35m
3 stops
DUB22:15Dublin
€775
Lufthansa
11 May
DUB17:35Dublin
31h 00m
1 stop
SJO17:35San José Juan Santamaria Intl
18 May
SJO14:40San José Juan Santamaria Intl
24h 35m
3 stops
DUB22:15Dublin
€799

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to San José 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 28 March 2026.
Use the filters below to find and compare flights from Ireland to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan José

DUB - SJO

DUBSJO

Dublin

Wed 6/5

11:30-22:20

1 stop17h 50m

San José Juan Santamaria Intl

Sun 10/5

23:59-09:00

1 stop26h 01m

€634

DublinSan José

DUB - SJO

DUBSJO

Dublin

Fri 8/5

11:30-22:20

1 stop17h 50m

San José Juan Santamaria Intl

Fri 15/5

23:59-09:00

1 stop26h 01m

€635

DublinSan José

DUB - SJO

DUBSJO

Dublin

Mon 11/5

11:30-22:20

1 stop17h 50m

San José Juan Santamaria Intl

Mon 18/5

23:59-09:00

1 stop26h 01m

€643

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 2/6

06:00-17:35

1 stop18h 35m

San José Juan Santamaria Intl

Tue 9/6

19:25-08:05

1 stop29h 40m

€705

DublinSan José

DUB - SJO

DUBSJO

Dublin

Tue 2/6

09:50-22:00

2 stops19h 10m

San José Juan Santamaria Intl

Tue 9/6

19:25-22:15

1 stop19h 50m

€724

DublinSan José

DUB - SJO

DUBSJO

Dublin

Sat 16/5

06:00-17:35

1 stop18h 35m

San José Juan Santamaria Intl

Sun 31/5

07:10-08:15

1 stop18h 05m

€735

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 4/6

09:30-10:11

2 stops31h 41m

San José Juan Santamaria Intl

Mon 8/6

12:44-10:15

1 stop14h 31m

€817
Fastest return journey

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Thu 4/6

09:30-22:39

2 stops20h 09m

San José Juan Santamaria Intl

Mon 8/6

12:44-10:15

1 stop14h 31m

€817

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Sun 17/5

21:15-19:07

2 stops52h 52m

San José Juan Santamaria Intl

Thu 21/5

12:50-20:35

2 stops24h 45m

€942

ShannonSan José

SNN - SJO

SNNSJO

Shannon

Sun 17/5

21:15-19:07

2 stops52h 52m

San José Juan Santamaria Intl

Thu 21/5

15:08-20:35

2 stops22h 27m

€944

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to San José from

How to get the cheapest flight ticket from Ireland to San José

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 San José?

In general, September is the cheapest month to fly from Ireland to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €686. If you aren’t able to travel to San José during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of €694.

How far in advance should I book a flight to San José?

You are more likely to see cheaper flights to San José from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around €780 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Ireland for as low as €664 on momondo.

Can stopping save me money on Ireland to San José flights?

You could potentially save up to 34% on your flight if you consider stops on a Ireland to San José flight.

Cheap Ireland to San José flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San José

Fastest flight time

17h 47m

Direct flights

None
The fastest flight from Ireland to San José takes 17h 47m
There are no direct flights from Ireland to San José. There are no popular flight routes from Ireland to San José.
Search flight deals

  • When did momondo last update prices for flights from Ireland to San José Juan Santamaria Intl Airport?

    Prices for flights from Ireland to San José Juan Santamaria Intl Airport were last updated today.

  • How many operators does momondo search for flights from Ireland to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Ireland to San José Juan Santamaria Intl Airport?

    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 from Ireland to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The necessary travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to San José

Compare and see reviews for airlines that fly from Ireland to San José with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom €625Free CancellationRating
7.1
10,853 reviews
Search Air Canada flights
United AirlinesPriceFrom €687Free CancellationRating
7.4
9,500 reviews
Search United Airlines flights
KLMPriceFrom €719Free CancellationRating
7.8
1,477 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to San José?

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 Ireland to San José for you.

Can I find flights from Ireland to San José with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to San José flights to just show those with flexible booking policies.

How can momondo help me find flights from Ireland to San José?

Once you have performed a search for Ireland to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to San José right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to San José flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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