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Cheap flights from Ireland to San José

DUB — SJO
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to San José

Keep the following information in mind while searching for Ireland to San José flight deals. Data was last updated 24 October 2025.

Popular in

December

Cheapest in

February

Average price

£710
Highest demand for flights based on searches. 8% potential increase in price (£47 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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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, January is the cheapest month in which you can book a flight from Ireland to San José (average of £427). Flying from Ireland to San José in October is currently the most expensive (average of £615). 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.

What is the cheapest time of day to fly from IE to SJO?

Find hourly flight availability from Ireland to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

It’s typically best to fly out from Ireland to San José in the evening. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated 24 October 2025.
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
8,995 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
8,995 reviews
United Airlines
7.4
Good
8,995 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from Ireland to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

  • 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, January is the cheapest month in which you can book a flight from Ireland to San José (average of £427). Flying from Ireland to San José in October is currently the most expensive (average of £615). 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

Travelling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Jacó
Manuel Antonio

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Alternative routes for Ireland to San José

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ireland to San José

Discover the top airline that operate flights from Ireland to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£464Average£596FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to San José?

When you search for this flight from Ireland to San José, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ireland to San José?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San José from Ireland.

Can Cheapflights find flights from Ireland to San José with no change fees?

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

Can Cheapflights notify me if prices for flights from Ireland to San José become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to San José on Cheapflights with our Price Alert feature and get notified when better prices are available.

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