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£54 Find cheap flights from Northern Ireland to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Northern Ireland to Ireland departing on 16/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

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Good to know - Cheap tickets from Northern Ireland to Ireland

Low season

January

High season

August

Cheapest flight

£54
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly (14% 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 to Ireland from Northern Ireland is likely to change within 7 days, so travelers 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 to Ireland with an airline and back to Northern Ireland 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 to Ireland from Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Northern Ireland to Ireland

Cheapest flights to Ireland from Northern Ireland found in 2024 and 2025

Recent return flight deals

27/11Wed
1 stop
11h 20mBFS-DUB
4/12Wed
1 stop
10h 35mDUB-BFS
£111
8/12Sun
1 stopRyanair UK
10h 05mBFS-DUB
16/12Mon
1 stopRyanair UK
14h 20mDUB-BFS
£112
23/11Sat
1 stop
14h 25mBFS-DUB
25/11Mon
1 stop
3h 20mDUB-BFS
£118
9/12Mon
1 stop
10h 40mBFS-DUB
11/12Wed
1 stop
5h 40mDUB-BFS
£119
20/11Wed
1 stop
10h 45mBFS-ORK
22/11Fri
1 stop
10h 25mORK-BFS
£120
9/12Mon
1 stop
10h 40mBFS-DUB
11/12Wed
2 stops
14h 10mDUB-BFS
£132
23/11Sat
1 stopAer Lingus
8h 00mBHD-DUB
25/11Mon
1 stopAer Lingus
6h 10mDUB-BHD
£137
23/11Sat
1 stopKLM
10h 10mBHD-DUB
25/11Mon
1 stopKLM
12h 10mDUB-BHD
£201
23/11Sat
1 stopBritish Airways
4h 40mBHD-DUB
25/11Mon
2 stopsBritish Airways
8h 05mDUB-BHD
£236
11/11Mon
1 stopAer Lingus
4h 35mBHD-DUB
13/11Wed
1 stopAer Lingus
6h 10mDUB-BHD
£283

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Recent one-way flight deals

16/12Mon
1 stop
14h 20mBFS-DUB
£54
6/11Wed
1 stop
23h 05mBFS-DUB
£65
17/4Thu
1 stop
18h 15mBFS-DUB
£73
6/11Wed
1 stop
14h 15mBHD-DUB
£92
6/11Wed
2 stops
10h 50mBFS-DUB
£115
6/11Wed
2 stopsBritish Airways
16h 05mBHD-DUB
£159
17/4Thu
2 stops
6h 30mBFS-DUB
£236
6/11Wed
3 stops
18h 00mBFS-DUB
£336

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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.