£54 Find Cheap Flights from Northern Ireland to Ireland

1 adult
1 adult, Economy

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Useful Info

Good to know - Cheap tickets from Northern Ireland to Ireland

Low seasonJanuary
High seasonAugust
Cheapest flight£54
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly (8% 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 4h 02m, covering a distance of 154 miles. The shortest route is Belfast Intl Airport (BFS) to Cork (ORK) with an average flight time of 3h 05m.

  • What are the most popular destinations in Ireland?

    Based on KAYAK flight searches, the most popular destination is Dublin (59% of total searches to Ireland). The next most popular destinations are Cork (35%) and Shannon (6%).

Book cheap flights from Northern Ireland to Ireland

Cheapest flights to Ireland from Northern Ireland found in 2025

Recent return flight deals

27/8Wed
1 stop
14h 15mBFS-DUB
29/8Fri
1 stop
4h 05mDUB-BFS
£94
25/7Fri
1 stop
9h 20mBFS-DUB
25/7Fri
1 stop
9h 40mDUB-BFS
£108
12/8Tue
1 stop
4h 40mBFS-DUB
13/8Wed
1 stop
4h 40mDUB-BFS
£109
7/8Thu
1 stop
5h 45mBFS-DUB
14/8Thu
1 stop
4h 55mDUB-BFS
£111
1/8Fri
1 stopAer Lingus
4h 20mBHD-DUB
2/8Sat
1 stopAer Lingus
11h 45mDUB-BHD
£168
31/7Thu
1 stopAer Lingus
7h 40mBHD-DUB
4/8Mon
1 stopAer Lingus
6h 25mDUB-BHD
£175
31/7Thu
1 stopBritish Airways
8h 25mBHD-DUB
4/8Mon
1 stopBritish Airways
8h 15mDUB-BHD
£204
31/7Thu
1 stopKLM
5h 00mBHD-DUB
4/8Mon
1 stopKLM
12h 20mDUB-BHD
£235
29/7Tue
2 stopsBritish Airways
9h 45mBHD-DUB
5/8Tue
1 stopBritish Airways
9h 10mDUB-BHD
£291
21/8Thu
2 stopsKLM
32h 30mBHD-ORK
27/8Wed
1 stopKLM
23h 45mORK-BHD
£304

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Recent one-way flight deals

7/8Thu
1 stop
5h 00mBFS-DUB
£54
9/7Wed
1 stop
14h 45mBFS-DUB
£60
13/8Wed
1 stop
27h 15mBFS-DUB
£62
17/7Thu
1 stop
7h 40mBFS-DUB
£63
29/8Fri
1 stop
6h 40mBFS-ORK
£63
15/10Wed
1 stop
12h 05mBFS-DUB
£64
15/7Tue
1 stop
9h 35mBFS-DUB
£64
9/7Wed
1 stopAer Lingus
6h 00mBHD-DUB
£90
1/11Sat
2 stopsBritish Airways
11h 10mBHD-DUB
£195
9/7Wed
2 stopsBritish Airways
19h 05mBHD-DUB
£210

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Last minute flights from Northern Ireland to Ireland

Last minute flight, train and bus deals

4/7Fri
multi-stop
25h 55mBFS-DUB
8/7Tue
multi-stop
4h 05mDUB-BFS
£163
4/7Fri
multi-stop
6h 35mBHD-DUB
8/7Tue
multi-stop
5h 15mDUB-BHD
£254
4/7Fri
multi-stop
25h 05mBHD-DUB
8/7Tue
multi-stop
11h 00mDUB-BHD
£1,130
4/7Fri
multi-stop
18h 20mBHD-DUB
8/7Tue
multi-stop
9h 45mDUB-BHD
£2,778

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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.

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