Cheap flights from Dublin, Ireland to Belfast, United Kingdom

Flights starting at £16. Choose between Aer Lingus, easyJet, or Vueling to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to Belfast

Mailbox
Receive exclusive deals by email
Travelers usually depart from Dublin, Dublin - Hueston, Dublin - Pearse St. Bus Stop, Dublin - North Wall Quay, or Dublin - Merrion Row when they travel from Dublin to Belfast. Book your trip to arrive at Belfast International, George Best Belfast City, or Belfast - Great Victoria Street railway station. The most popular airlines for this route are Aer Lingus, easyJet, Vueling, Transavia, and KLM Royal Dutch Airlines. Dublin and Belfast have 401 direct flights per week. When you arrive at Belfast, consider visiting Giant's Causeway, Bru Na Boinne Neolithic Site (County Meath, Ireland), and Trinity College, Dublin.

Check-in for a flight from Dublin to Belfast

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Aer LingusEINEINoOpens 48 days before flight
Closes 5 hours before flight
easyJetEZYU2NoOpens 720 days before flight
Closes 2 hours before flight
VuelingVLGVYNoOpens 168 days before flight
Closes 4 hours before flight
TransaviaTRAHVNoOpens 24 days before flight
Closes 4 hours before flight
KLM Royal Dutch AirlinesKLMKLNoOpens 30 days before flight
Closes 1 hours before flight

Weather in Belfast

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January6°C2°C
February7°C3°C
March8°C3°C
April11°C4°C
May13°C7°C
June16°C10°C
July17°C11°C
August17°C11°C
September15°C10°C
October12°C8°C
November9°C5°C
December7°C3°C
Hottest Month
17°C
July
Coldest month
2°C
January
Sunny days
254
days per year
Snow days
2
days per year

14 day forecast

Friday
1 Mar
78%
6°C0°C
8 Mar
7°C3°C
Saturday
2 Mar
84%
6°C0°C
9 Mar
7°C3°C
Sunday
3 Mar
77%
8°C-1°C
10 Mar
7°C3°C
Monday
4 Mar
88%
7°C0°C
11 Mar
7°C3°C
Tuesday
5 Mar
88%
7°C1°C
12 Mar
8°C3°C
Wednesday
6 Mar
82%
7°C4°C
13 Mar
8°C1°C
Thursday
7 Mar
7°C4°C
14 Mar
10°C1°C

Frequently asked questions

What are the most popular routes to and from Dublin?
What are the most popular routes to and from Belfast?
What airports are near Dublin?
What airports are near Belfast?
What buses and trains depart from Dublin?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Dublin and Belfast?
What is Virtual Interlining and how do I use it?
Which airlines fly between Dublin and Belfast?
When's the best time to travel between Dublin and Belfast?
What flights operate between Dublin and Belfast?
How many airports are there near Dublin?
How many airports are there near Belfast?
Is it possible to reach Dublin by bus or train?
What time do nonstop (direct) flights between Dublin and Belfast depart?
What time do nonstop (direct) flights between Dublin and Belfast arrive?
What time do flights between Dublin and Belfast depart?
What time do flights between Dublin and Belfast arrive?

Explore alternative trips

Flights from Dublin

Flights to Belfast

Popular routes

Find the best connection from Dublin to Belfast
Search flights, trains & buses
We hack the system,
you fly for less