| UK-Ireland | | |
| Route | Airport | Airline(s) |
| Aberdeen | Dublin Airport | Ryanair |
| Aberdeen | Belfast City Airport | Flybe |
| Aberdeen | Belfast International Airport | Eastern Airways |
| Birmingham | Dublin Airport | Aer Lingus, Ryanair |
| Birmingham | Shannon Airport | Flybe |
| Birmingham | Cork Airport | Aer Arann, BMI Baby |
| Birmingham | Belfast City Airport | Flybe |
| Birmingham | Belfast International Airport | BMI Baby |
| Birmingham | Derry City Airport | Aer Arann |
| Birmingham | Galway Airport | Aer Arann |
| Birmingham | Knock Airport | BMI Baby |
| Blackpool | Dublin Airport | Ryanair |
| Blackpool | Belfast City Airport | Flykeen Airways |
| Bournemouth | Dublin Airport | Ryanair |
| Bournemouth | Belfast International Airport | Jet2.com |
| Bristol | Dublin Airport | Aer Lingus, Air Southwest, Ryanair |
| Bristol | Cork Airport | Aer Arann |
| Bristol | Belfast City Airport | Flybe |
| Bristol | Belfast International Airport | easyJet |
| Cardiff | Dublin Airport | Air Wales, Ryanair |
| Cardiff | Cork Airport | BMI Baby |
| Cardiff | Belfast International Airport | BMI Baby |
| Coventry | Cork Airport | Thomsonfly |
| Coventry | Shannon Airport | Thomsonfly |
| Doncaster | Dublin Airport | Thompsonfly |
| Durham Tees Valley (Teeside) | Dublin Airport | Ryanair |
| Durham Tees Valley (Teeside) | Cork Airport | BMI Baby |
| Durham Tees Valley (Teeside) | Belfast International Airport | BMI Baby |
| East Midlands | Dublin Airport | BMI Baby, Ryanair |
| Edinburgh | Dublin Airport | Aer Lingus, Ryanair |
| Edinburgh | Cork Airport | Aer Arann |
| Edinburgh | Belfast City Airport | Flybe |
| Edinburgh | Belfast International Airport | easyJet |
| Edinburgh | Galway Airport | Aer Arann |
| Exeter | Dublin Airport | FlyBE |
| Exeter | Belfast City Airport | Flybe |
| Glasgow | Dublin Airport | Aer Lingus |
| Glasgow | Belfast City Airport | Flybe |
| Glasgow | Belfast International Airport | easyJet |
| Glasgow | Galway Airport | British Airways |
| Glasgow International | Derry City Airport | British Airways |
| Glasgow Prestwick | Shannon Airport | Ryanair |
| Glasgow Prestwick | Dublin Airport | Ryanair |
| Glasgow Prestwick | Donegal Airport | Aer Arann |
| Inverness | Belfast International Airport | easyJet |
| Isle of Man | Dublin Airport | Aer Arann, Euromanx |
| Isle of Man | Belfast City Airport | Euromanx, Flykeen Airways |
| Isle of Man | Galway Airport | Euromanx |
| Jersey | Dublin Airport | Aer Lingus |
| Kent International (Manston) | Shannon Airport | EUjet |
| Kent International (Manston) | Dublin Airport | Eujet |
| Kent International (Manston) | Belfast International Airport | Eujet |
| Leeds/Bradford | Dublin Airport | Ryanair |
| Leeds/Bradford | Cork Airport | BMI British Midland |
| Leeds/Bradford | Belfast City Airport | Flybe |
| Leeds/Bradford | Belfast International Airport | Jet2.com |
| Liverpool | Dublin Airport | Aer Lingus, Ryanair |
| Liverpool | Belfast City Airport | Flybe |
| Liverpool | Belfast International Airport | easyJet |
| Liverpool | Knock Airport | Aer Arann |
| London City | Dublin Airport | Cityjet |
| London City | Galway Airport | Euromanx |
| London Gatwick | Dublin Airport | Aer Lingus, BA Citiexpress, Ryanair |
| London Gatwick | Shannon Airport | Easyjet, Ryanair |
| London Gatwick | Cork Airport | BMI Baby, easyJet |
| London Gatwick | Belfast City Airport | Flybe |
| London Gatwick | Belfast International Airport | easyJet |
| London Gatwick | Knock Airport | easyJet, Ryanair |
| London Heathrow | Dublin Airport | Aer Lingus, BA Citiexpress, BMI British Midland |
| London Heathrow | Shannon Airport | Aer Lingus |
| London Heathrow | Cork Airport | Aer Lingus |
| London Heathrow | Belfast City Airport | BMI British Midland |
| London Luton | Waterford Airport | Aer Arann |
| London Luton | Dublin Airport | Ryanair |
| London Luton | Shannon Airport | Ryanair |
| London Luton | Belfast International Airport | easyJet |
| London Luton | Galway Airport | Aer Arann |
| London Stansted | Dublin Airport | Ryanair |
| London Stansted | Shannon Airport | Ryanair |
| London Stansted | Cork Airport | Ryanair |
| London Stansted | Belfast International Airport | easyJet |
| London Stansted | Derry City Airport | Ryanair |
| London Stansted | Kerry Airport | Ryanair |
| London Stansted | Knock Airport | Ryanair |
| Manchester | Dublin Airport | Aer Lingus, Ryanair |
| Manchester | Shannon Airport | British Airways |
| Manchester | Cork Airport | BA Citiexpress, BMI Baby |
| Manchester | Belfast City Airport | BA Citiexpress |
| Manchester | Belfast International Airport | BMI Baby |
| Manchester | Derry City Airport | Aer Arann |
| Manchester | Galway Airport | Aer Arann |
| Manchester | Kerry Airport | Aer Arann |
| Manchester | Knock Airport | BMI Baby |
| Newcastle | Dublin Airport | Ryanair |
| Newcastle | Belfast City Airport | Flybe |
| Newcastle | Belfast International Airport | easyJet |
| Norwich | Dublin Airport | Air Wales |
| Norwich | Belfast City Airport | Flybe |
| Nottingham (East Midlands) | Shannon Airport | Ryanair |
| Nottingham (East Midlands) | Cork Airport | BMI Baby |
| Nottingham (East Midlands) | Belfast International Airport | BMI Baby |
| Plymouth | Dublin Airport | Air Wales |
| Plymouth | Cork Airport | Air Wales |
| Sheffield | Dublin Airport | Thompsonfly |
| Southampton | Dublin Airport | FlyBE |
| Southampton | Cork Airport | Aer Arann |
| Southampton | Belfast City Airport | Flybe |
| Europe - Ireland | | |
| Alicante | Dublin Airport | Aer Lingus |
| Alicante | Cork Airport | Aer Lingus |
| Alicante | Belfast International Airport | easyJet |
| Amsterdam | Dublin Airport | Aer Lingus |
| Amsterdam | Cork Airport | Aer Lingus |
| Amsterdam | Belfast International Airport | easyJet |
| Barbados | Belfast International Airport | BWIA West Indies Airways |
| Barcelona | Dublin Airport | Aer Lingus, Iberia |
| Barcelona | Cork Airport | Aer Lingus |
| Barcelona | Belfast International Airport | Jet2.com |
| Berlin (Schoenefeld) | Dublin Airport | Aer Lingus |
| Berlin (Schoenefeld) | Belfast International Airport | easyJet |
| Bilbao | Dublin Airport | Aer Lingus |
| Bologna | Dublin Airport | Aer Lingus |
| Bonn | Dublin Airport | Germanwings |
| Bordeaux | Dublin Airport | Air France |
| Brussels | Dublin Airport | Aer Lingus |
| Brussels (Charleroi) | Dublin Airport | Ryanair |
| Brussels (Charleroi) | Shannon Airport | Ryanair |
| Budapest | Dublin Airport | Aer Lingus, MALEV Hungarian Airlines |
| Cologne | Dublin Airport | Germanwings |
| Cologne/Bonn | Shannon Airport | Hapag-Lloyd Express (HLX) |
| Copenhagen | Dublin Airport | Aer Lingus, SAS |
| Dubrovnik | Dublin Airport | Aer Lingus |
| Dusseldorf | Dublin Airport | Aer Lingus |
| Dusseldorf (Weeze) | Shannon Airport | Ryanair |
| Faro | Dublin Airport | Aer Lingus, Ryanair |
| Faro | Shannon Airport | EUjet |
| Faro | Cork Airport | Aer Lingus |
| Frankfurt | Dublin Airport | Aer Lingus, Lufthansa |
| Frankfurt (Hahn) | Shannon Airport | Ryanair |
| Frankfurt (Hahn) | Kerry Airport | Ryanair |
| Geneva | Dublin Airport | Aer Lingus |
| Geneva | Belfast International Airport | easyJet |
| Girona | Dublin Airport | Ryanair |
| Girona (Barcelona) | Shannon Airport | Ryanair |
| Gran Canaria | Dublin Airport | Aer Lingus |
| Hamburg | Dublin Airport | Aer Lingus, Hapag-Lloyd Express (HLX) |
| Hamburg (Lubeck) | Shannon Airport | Ryanair |
| Helsinki | Dublin Airport | Finnair |
| Ibiza | Shannon Airport | EUjet |
| Lanzarote | Dublin Airport | Aer Lingus |
| Larnaca | Dublin Airport | Helios Airways |
| Lisbon | Dublin Airport | Aer Lingus |
| Lorient | Galway Airport | Aer Arann |
| Luxembourg | Dublin Airport | Luxair |
| Lyon | Dublin Airport | Aer Lingus |
| Madrid | Dublin Airport | Aer Lingus, Iberia |
| Malaga | Dublin Airport | Aer Lingus, Ryanair, Cityjet |
| Malaga | Shannon Airport | EUjet |
| Malaga | Cork Airport | Aer Lingus |
| Malaga | Belfast International Airport | easyJet |
| Malaga | Galway Airport | Euromanx |
| Malta | Dublin Airport | Air Malta |
| Malta | Cork Airport | Air Malta |
| Marseille | Dublin Airport | Aer Lingus |
| Milan (Bergamo) | Shannon Airport | Ryanair |
| Milan (Linate) | Dublin Airport | Aer Lingus |
| Milan (Malpensa) | Dublin Airport | Alitalia |
| Milan (Orio Al Serio) | Dublin Airport | Aer Lingus |
| Minsk | Shannon Airport | Belavia |
| Munich | Dublin Airport | Aer Lingus |
| Munich | Cork Airport | Aer Lingus |
| Murcia | Dublin Airport | Ryanair |
| Murcia | Shannon Airport | EUjet |
| Naples | Dublin Airport | Aer Lingus |
| Newquay | Dublin Airport | Air Southwest |
| Nice | Dublin Airport | Aer Lingus |
| Nice | Cork Airport | Aer Lingus |
| Nice | Belfast International Airport | easyJet |
| Oslo | Dublin Airport | SAS |
| Palma | Shannon Airport | EUjet |
| Palma | Belfast International Airport | easyJet |
| Paphos | Dublin Airport | Eurocypria |
| Paphos | Dublin Airport | Helios Airways |
| Paris (Beauvais) | Dublin Airport | Ryanair |
| Paris (Beauvais) | Shannon Airport | Ryanair |
| Paris (CDG) | Dublin Airport | Aer Lingus, Air France |
| Paris (CDG) | Cork Airport | Aer Lingus |
| Paris (CDG) | Belfast International Airport | easyJet |
| Paris (CDG) | Galway Airport | Euromanx |
| Prague | Dublin Airport | Aer Lingus, CSA Czech Airlines |
| Prague | Cork Airport | CSA Czech Airlines |
| Prague | Belfast International Airport | Jet2.com |
| Reus | Dublin Airport | Ryanair |
| Riga | Dublin Airport | Air Baltic |
| Rome (Ciampino) | Belfast International Airport | easyJet |
| Rome (Fiumicino) | Dublin Airport | Alitalia |
| Rome (LdaV) | Dublin Airport | Aer Lingus |
| Rome (LdaV) | Cork Airport | Aer Lingus |
| Rotterdam | Dublin Airport | Transavia |
| Seville | Dublin Airport | Aer Lingus |
| Stockholm | Dublin Airport | SAS |
| Stockholm (Skavsta) | Shannon Airport | Ryanair |
| Stuttgart | Dublin Airport | Hapag-Lloyd Express (HLX) |
| Tallinn | Dublin Airport | Estonian Airlines |
| Tenerife (Reina Sofia) | Dublin Airport | Aer Lingus |
| Toronto | Shannon Airport | Air Canada |
| Toulouse | Dublin Airport | Aer Lingus |
| Valencia | Dublin Airport | Aer Lingus |
| Venice | Dublin Airport | Aer Lingus |
| Vienna | Dublin Airport | Aer Lingus |
| Vilnius | Dublin Airport | Air Baltic, Lithuanian Airlines |
| Warsaw | Dublin Airport | Aer Lingus, LOT Polish Airlines |
| Zurich | Dublin Airport | Aer Lingus, SwissAir |
| USA - Ireland | | |
| Atlanta | Dublin Airport | Delta Airlines |
| Atlanta | Shannon Airport | Delta |
| Boston | Dublin Airport | Aer Lingus, American Airlines |
| Boston | Shannon Airport | Aer Lingus, American Airlines |
| Chicago (O'Hare) | Shannon Airport | Aer Lingus |
| Chicago (O'Hare) | Dublin Airport | Aer Lingus |
| Los Angeles | Dublin Airport | Aer Lingus |
| New York (JFK) | Dublin Airport | Aer Lingus |
| New York (JFK) | Shannon Airport | Aer Lingus |
| Newark | Dublin Airport | Continental Airlines |
| Newark | Shannon Airport | Continental Airlines |
| Newark | Belfast International Airport | Continental Airlines |
| Orlando | Dublin Airport | Aer Lingus |
| Philadelphia | Dublin Airport | US Airways |
| Philadelphia | Shannon Airport | US Airways |
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