£59 Find Cheap Flights from Northern Ireland to Ireland

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ireland

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 27% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know - Cheap tickets from Northern Ireland to Ireland

Low seasonJanuary
High seasonAugust
Cheapest flight£59
Best time to beat the crowds (34% less expensive on average)
Most popular time to fly (11% more expensive on average)
Flight from Belfast Intl Airport to Dublin

FAQs for booking flights from Northern Ireland to Ireland

  • How does KAYAK find such low prices on flights from Northern Ireland to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Northern Ireland to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Northern Ireland to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Northern Ireland to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Northern Ireland to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Northern Ireland to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Ireland?

    Based on KAYAK data, the cheapest day to fly to Ireland is Saturday when return tickets can be as cheap as £131. On the other hand, the most expensive day to fly is Saturday, when return prices are £131 on average.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally in the evening, when round-trip flights cost £183 on average. Morning departures are around 15% more expensive than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is £211.

  • How long is the flight to Ireland?

    An average direct flight from Northern Ireland to Ireland takes 6h 47m, covering a distance of 154 miles. The shortest route is Belfast City Airport (BHD) to Dublin (DUB) with an average flight time of 3h 15m.

  • What are the most popular destinations in Ireland?

    Based on KAYAK flight searches, the most popular destination is Dublin (48% of total searches to Ireland). The next most popular destinations are Cork (33%) and Shannon (19%).

Book cheap flights from Northern Ireland to Ireland

Cheapest flights to Ireland from Northern Ireland found in 2025

Recent return flight deals

6/7dom.
1 stop
26h 00mBFS-DUB
7/7lun.
1 stop
17h 00mDUB-BFS
£107
14/7lun.
1 stop
22h 45mBFS-ORK
16/7mié.
1 stop
9h 15mORK-BFS
£107
17/7jue.
1 stop
16h 10mBFS-DUB
21/7lun.
1 stop
17h 00mDUB-BFS
£109
18/7vie.
1 stopRyanair
24h 00mBFS-ORK
26/7sáb.
1 stopRyanair
8h 00mORK-BFS
£112
26/7sáb.
1 stopRyanair
13h 50mBFS-ORK
2/8sáb.
1 stopRyanair
8h 00mORK-BFS
£115
17/7jue.
1 stopBritish Airways
5h 15mBHD-ORK
23/7mié.
1 stopBritish Airways
4h 30mORK-BHD
£294
24/6mar.
1 stopBritish Airways
5h 15mBHD-ORK
1/7mar.
1 stopBritish Airways
4h 30mORK-BHD
£353
24/7jue.
2 stopsKLM
13h 45mLDY-DUB
30/7mié.
2 stopsKLM
8h 25mDUB-LDY
£353
24/7jue.
2 stopsKLM
40h 50mBHD-ORK
30/7mié.
2 stopsKLM
25h 10mORK-BHD
£363
22/7mar.
1 stopLoganair
6h 00mBHD-DUB
29/7mar.
3 stopsLoganair
24h 45mDUB-BHD
£642

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/8mié.
1 stop
26h 10mBFS-DUB
£59
11/8lun.
1 stop
26h 35mBFS-SNN
£59
18/8lun.
1 stop
11h 45mBFS-DUB
£62
14/9dom.
1 stop
15h 15mBFS-DUB
£64
28/9dom.
1 stop
18h 50mLDY-DUB
£64
25/6mié.
1 stop
11h 55mBFS-ORK
£66
25/6mié.
1 stopAer Lingus
7h 15mBHD-DUB
£78
6/8mié.
2 stopsBritish Airways
17h 15mBHD-DUB
£184
25/6mié.
2 stopsBritish Airways
14h 40mBHD-DUB
£209
11/8lun.
2 stopsBritish Airways
13h 40mBHD-SNN
£301

Search by stops

Search by airline

Search by price

Last minute flights from Northern Ireland to Ireland

Last minute flight, train and bus deals

17/6mar.
multi-stop
6h 15mBFS-DUB
17/6mar.
multi-stop
6h 10mDUB-BFS
£118
17/6mar.
multi-stop
3h 15mBHD-DUB
17/6mar.
multi-stop
3h 20mDUB-BHD
£210

Search by stops

Search by price

Everything you need to know for your flight to Ireland

Cabin class types available on flights to Northern Ireland

Cabin classes available on flights to Northern Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Ireland
Business Class flights to Ireland
Prem Econ Class flights to Ireland
Economy class flights to Ireland

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.