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Cheap flights from Ireland to San José from £542

DUB — SJO
12 Nov — 19 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to San José

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to San José

Thu 26/1105:45 -
2 stops18h 50m
Thu 3/1214:53 -
2 stops15h 47m
Deal found 11/10£542
Thu 26/1105:45 -
2 stops19h 14m
Thu 3/1218:20 -
1 stop22h 35m
Deal found 11/10£543
Wed 28/1007:35 -
2 stops18h 46m
Sun 15/1114:01 -
2 stops18h 54m
Deal found 8/10£643
Wed 2/1207:35 -
2 stops19h 16m
Fri 11/1214:00 -
2 stops21h 45m
Deal found 10/10£643
Mon 23/1105:45 -
1 stop17h 45m
Mon 30/1119:30 -
1 stop20h 45m
Deal found 9/10£659
Mon 23/1105:45 -
1 stop17h 45m
Mon 30/1117:55 -
2 stops18h 30m
Deal found 9/10£661
Mon 23/1120:40 -
1 stop26h 00m
Sun 6/1215:54 -
2 stops17h 46m
Deal found 11/10£701
Mon 30/1110:50 -
1 stop35h 50m
Fri 30/412:12 -
2 stops18h 18m
Deal found 13/10£702
Tue 15/1213:35 -
1 stop29h 07m
Wed 20/101:15 -
2 stops24h 55m
Deal found 13/10£714
Sun 13/1213:35 -
1 stop29h 07m
Wed 6/113:55 -
2 stops36h 15m
Deal found 9/10£715

Find flight deals from Ireland to San José

Round-trip from

£542

Popular in

September

Cheapest in

April

Average price

£679
KLM
  • KLM
  • 26/11-3/12
  • 4 total stops
  • 34h 37m total
  • Ireland to San José
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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 Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Thu 14/1

06:10-22:35

2 stops46h 25m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£584

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Wed 13/1

16:35-22:35

2 stops36h 00m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£584
Fastest return journey

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Fri 8/1

05:45-18:35

2 stops18h 50m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£636

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Mon 19/10

20:30-20:21

2 stops30h 51m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£643

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Tue 20/10

11:10-20:21

2 stops40h 11m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£643

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Mon 8/2

08:45-20:59

2 stops18h 14m

San José Juan Santamaria Intl

Fri 12/2

13:47-16:35

2 stops20h 48m

£645

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Sun 27/12

19:45-21:12

2 stops31h 27m

San José Juan Santamaria Intl

Wed 6/1

07:30-11:15

2 stops21h 45m

£723

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Tue 15/12

09:30-12:42

1 stop33h 12m

San José Juan Santamaria Intl

Thu 7/1

09:05-07:30

1 stop16h 25m

£757

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Sat 26/12

20:40-21:12

2 stops30h 32m

San José Juan Santamaria Intl

Tue 12/1

13:20-17:45

2 stops22h 25m

£824

DublinSan José

DUB Dublin - SJO San José Juan Santamaria Intl

DUBSJO

Dublin

Thu 14/1

10:40-21:52

3 stops41h 12m

San José Juan Santamaria Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£865

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Ireland with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Ireland to San José

What is the cheapest month to book a flight from Ireland to San José?

Currently, April is the cheapest month in which you can book a flight from Ireland to San José (average of £636). Flying from Ireland to San José in September is currently the most expensive (average of £1,080). 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.

How far ahead should I book a flight from Ireland to San José?

The price you pay for your flight from Ireland to San José may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing San José

Get a feel of what it's like to fly with United Airlines from Ireland to San José by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,351 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Reviews

1 / 20
6.0
Good

Jared,Feb 2024

LBB - DEN

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.
United Airlines
7.4
Good
10,351 reviews
United Airlines
7.4
Good
10,351 reviews
Check prices

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Reviews

1 / 20
6.0
Good

Jared,Feb 2024

LBB - DEN

There were a lot of delays. Not sure if they could be helped, but it made me super nervous about catching my already tight connection. The connection was held for me, but I had to really hurry to make it.

Related info for your journey

  • What airport do you fly into for flights to San José from Ireland?

    Located just 8.8 mi from the city center, San José Juan Santamaria Intl (SJO) is the airport most travelers will use when flying to San José from Ireland.

  • How long is the flight from Ireland to San José?

    Departing from Ireland to San José will take you 18h 14m. The distance between Ireland and San José is about 5166 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Ireland to San José that include hotel bookings?

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

  • How can I find direct flights from Ireland to San José?

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

  • Can I find deals for business class flights from Ireland to San José?

    Yes. Cheapflights offers flight deals from Ireland to San José 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 San José?

    Currently, April is the cheapest month in which you can book a flight from Ireland to San José (average of £636). Flying from Ireland to San José in September is currently the most expensive (average of £1,080). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ireland to San José

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£556Average£741FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Yes! Cheapflights helps users easily find flights from Ireland to San José with no change fees.

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