Cheap flights from Britain to Ireland

Up to 25% off all flights to Ireland

Belfast travel: 26 August until 30 November 2025. Book by: 22 July 2025.
Rest of Ireland travel: 05 August until 30 September 2025. Book by: 21 July 2025.

Want to walk the Giants Causeway, explore the Titanic Museum or simply catch up with friends? Now is the perfect time to book with up to 25% off all flights to Belfast City Airport from Britain.

And if you fancy going elsewhere in Ireland, you can also get up to 20% off flights to Dublin and Cork.


From	To	Fare Type	Dates	Price
Glasgow (GLA)	Dublin (DUB)	Each way / Economy	13 Sep 2025 - 14 Sep 2025	From £32.53 Seen: 6 hrs ago
Bristol (BRS)	Dublin (DUB)	Each way / Economy	27 Aug 2025 - 29 Aug 2025	From £37.39 Seen: 10 hrs ago
Isle of Man (IOM)	Dublin (DUB)	Each way / Economy	25 Aug 2025 - 28 Aug 2025	From £37.27 Seen: 5 hrs ago
Birmingham (BHX)	Dublin (DUB)	Each way / Economy	5 Sep 2025 - 10 Sep 2025	From £26.02 Seen: 12 hrs ago
Edinburgh (EDI)	Dublin (DUB)	Each way / Economy	27 Aug 2025 - 31 Aug 2025	From £37.09 Seen: 7 hrs ago
Newquay (NQY)	Dublin (DUB)	Each way / Economy	20 Sep 2025 - 25 Sep 2025	From £53.87 Seen: 4 hrs ago
Leeds (LBA)	Dublin (DUB)	Each way / Economy	12 Sep 2025 - 14 Sep 2025	From £38.20 Seen: 13 hrs ago
Newcastle upon Tyne (NCL)	Dublin (DUB)	Each way / Economy	27 Aug 2025 - 30 Aug 2025	From £41.07 Seen: 2 hrs ago
Exeter (EXT)	Dublin (DUB)	One way / Economy	Depart: 20 Aug 2025	From £46.31 Seen: 2 hrs ago
Manchester (MAN)	Dublin (DUB)	Each way / Economy	30 Aug 2025 - 6 Sep 2025	From £29.34 Seen: 6 hrs ago
Jersey (JER)	Dublin (DUB)	Each way / Economy	23 Aug 2025 - 27 Aug 2025	From £79.33 Seen: 4 hrs ago
Aberdeen (ABZ)	Dublin (DUB)	Each way / Economy	4 Sep 2025 - 8 Sep 2025	From £39.05 Seen: 1 hour ago
Glasgow (GLA)	Cork (ORK)	Each way / Economy	21 Sep 2025 - 25 Sep 2025	From £41.23 Seen: 4 hrs ago
Southampton (SOU)	Dublin (DUB)	Each way / Economy	4 Sep 2025 - 8 Sep 2025	From £40.19 Seen: 24 minutes ago
Bristol (BRS)	Cork (ORK)	Each way / Economy	7 Sep 2025 - 10 Sep 2025	From £37.29 Seen: 1 hour ago
Liverpool (LPL)	Dublin (DUB)	Each way / Economy	29 Aug 2025 - 29 Aug 2025	From £32.95 Seen: 5 hrs ago
Birmingham (BHX)	Belfast (BHD)	One way / Economy	Depart: 11 Sep 2025	From £40.82 Seen: 6 hrs ago
Exeter (EXT)	Belfast (BHD)	One way / Economy	Depart: 10 Sep 2025	From £51.56 Seen: 3 hrs ago
Edinburgh (EDI)	Belfast (BHD)	One way / Economy	Depart: 29 Sep 2025	From £38.28 Seen: 16 hrs ago
Manchester (MAN)	Belfast (BHD)	Each way / Economy	27 Aug 2025 - 28 Aug 2025	From £48.93 Seen: 18 hrs ago

*Terms and Conditions

Discount applies to fares only and when the fare is £0, there is no discount. Belfast travel between 26 August 2025 and 30 November 2025. Book by 22 July 2025. Travel to Dublin and Cork on Emerald Airlines operated flights between 05 August 2025 and 30 September 2025. Travel to Dublin from Birmingham and Manchester on Aer Lingus operated flights from 18 August 2025 and 30 September 2025. Book by 21 July 2025. Route operation dates may vary. All prices are subject to terms and conditions and are subject to availability. Limited availability during holidays and special events.

Aer Lingus Limited is registered in Ireland. Company Number 9215. Registered office at Dublin Airport, Dublin, Ireland. Aer Lingus (U.K.) Limited is registered in Northern Ireland. Company number NI 612895. Registered office at Belfast City Airport, Sydenham Bypass, Belfast, Co Antrim BT3 9JH, Northern Ireland.

Great value to North America

Book now for excellent value fares to North America! Plus when you connect via Dublin, you pre-clear U.S. customs and immigration before you board your transatlantic flight.

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