Cheap flights from Belfast, United Kingdom to Dublin, Ireland
Flights starting at £66. Choose between Ryanair, easyJet, or Aer Lingus to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Dublin
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from Belfast International, or George Best Belfast City when they travel from Belfast to Dublin. The most popular airlines for this route are Ryanair, easyJet, Aer Lingus, British Airways, and Jet2. Belfast and Dublin have 401 direct flights per week. When you arrive at Dublin, consider visiting Bru Na Boinne Neolithic Site (County Meath, Ireland), Caernarfon, Rock of Cashel, Portmeirion, and Trinity College, Dublin.
Check-in for a flight from Belfast to Dublin
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
Ryanair | RYR | FR | No | |
easyJet | EZY | U2 | Yes | |
Aer Lingus | EIN | EI | No | |
British Airways | BAW | BA | No | |
Jet2 | EXS | LS | No |
Online check-in is not available for these airlines.
Weather in Dublin
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 3°C |
February | 8°C | 3°C |
March | 9°C | 3°C |
April | 11°C | 5°C |
May | 13°C | 7°C |
June | 16°C | 10°C |
July | 17°C | 12°C |
August | 17°C | 12°C |
September | 16°C | 10°C |
October | 13°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 4°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Belfast
- Flights from Belfast to London
- Flights from Belfast to Manchester
- Flights from Belfast to Alicante
- Flights from Belfast to Birmingham
- Flights from Belfast to Barcelona
- Flights from Belfast to Tenerife
- Flights from Belfast to Kraków
- Flights from Belfast to Málaga
- Flights from Belfast to Berlin
- Flights from Belfast to Faro
- Flights from Belfast to Istanbul
- Flights from Belfast to Madrid
- Flights from Belfast to Edinburgh
- Flights from Belfast to Budapest
- Flights from Belfast to Amsterdam
- Flights from Belfast to Ibiza
- Flights from Belfast to Lanzarote
- Flights from Belfast to Warsaw
- Flights from Belfast to Glasgow
- Flights from Belfast to Prague
Flights to Dublin
- Flights from London to Dublin
- Flights from Manchester to Dublin
- Flights from Birmingham to Dublin
- Flights from Vancouver to Dublin
- Flights from Budapest to Dublin
- Flights from Toronto to Dublin
- Flights from New York to Dublin
- Flights from Glasgow to Dublin
- Flights from Bristol to Dublin
- Flights from Edinburgh to Dublin
- Flights from Athens to Dublin
- Flights from Leeds to Dublin
- Flights from Paris to Dublin
- Flights from Bucharest to Dublin
- Flights from Istanbul to Dublin
- Flights from Kraków to Dublin
- Flights from Madrid to Dublin
- Flights from Geneva to Dublin
- Flights from São Paulo to Dublin
- Flights from Barcelona to Dublin
Popular routes
- Flights from London to Málaga
- Flights from Okinawa Island to Bangkok
- Flights from Honolulu to Perth
- Flights from Goa to Dublin
- Flights from Paris to Hong Kong
- Flights from Bangkok to Rome
- Flights from Hanoi to Adelaide
- Flights from Bloemfontein to Durban
- Flights from Ipoh to Johor Bahru
- Flights from San José to Guatemala City
- Flights from Vancouver to Toronto
- Flights from Barcelona to Milan