Cheap flights from Costa Rica to Northern Ireland from £421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Costa Rica to Northern Ireland departing on 19/5. 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
0 bags
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Find the cheapest flights from Costa Rica to Northern Ireland

Recent one-way flight deals from Costa Rica to Northern Ireland

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:40 - 07:50
SJO
-
BFS
53h 10m
2 stops
£421Multiple Airlines
Tue, 19 May
Multiple Airlines Logo
16:00 - 15:55
SJO
-
BFS
40h 55m
3 stops
£426Multiple Airlines
Tue, 19 May

momondo Fare Finder

 
Customise your flight search to find flights from Costa Rica to Northern Ireland 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 279,928 searches. Data last updated 14 April 2026.
Use the filters below to find and compare flights from Costa Rica to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

San JoséBelfast

SJO - BFS

SJOBFS

San José Juan Santamaria Intl

Tue 19/5

19:40-07:50

2 stops53h 10m

£421
Fastest single journey

San JoséBelfast

SJO - BFS

SJOBFS

San José Juan Santamaria Intl

Tue 19/5

16:00-15:55

3 stops40h 55m

£426

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Costa Rica to Northern Ireland flight deals and tips

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

Fastest flight time

20h 30m

Direct flights

None
The fastest flight from Costa Rica to Northern Ireland takes 20h 30m
There are no direct flights from Costa Rica to Northern Ireland. There are no popular flight routes from Costa Rica to Northern Ireland.

Frequently asked questions about flying from Costa Rica to Northern Ireland

  • When did momondo last update prices for flights from Costa Rica to Northern Ireland?

    Prices for flights from Costa Rica to Northern Ireland refresh daily.

  • How old do you have to be to fly from Costa Rica to Northern Ireland?

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Costa Rica to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The necessary travel and health documents for your Northern Ireland 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 license 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.

Frequently asked questions about flying from Costa Rica to Northern Ireland

  • How do I get Price Alerts for flights from Costa Rica to Northern Ireland?

    Confirm your travel details to search for the latest offers for flights from Costa Rica to Northern Ireland. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Costa Rica to Northern Ireland with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Costa Rica to Northern Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Costa Rica.

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

Flights from Costa Rica to Northern Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Costa Rica to Northern Ireland 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 Costa Rica to Northern Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Costa Rica to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 14/5
Thu 21/5

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