Cheap Flights from Dublin to Belfast City

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Compare Dublin to Belfast City flight deals

Find the cheapest month or even day of the year to fly to Belfast City

Book the best Belfast City fare with no extra fees

Flight deals from Dublin to Belfast City

Looking for a cheap last-minute deal or the best return flight from Dublin to Belfast City? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dublin to Belfast City

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Belfast City flights are currently cheapest in August.

Dublin to Belfast City: Alternative routes

Compare routes from Dublin to Belfast below. You may find an airport to fly into that's cheaper, faster, or easier than Belfast City.

Dublin to Belfast: Flight information

The things to know before you go.
Cheapest flight foundR 1,366
Cheapest month to flyAugust

Finding cheap flights from Dublin to Belfast City: Frequently asked questions

The best price we found for a return flight from Dublin to Belfast City is R 3,250. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dublin to Belfast City. But we found flights with one or more stops from R 3,250.
As of June 2025, there are no flights flying from Dublin to Belfast City.
The cheapest month to fly from Dublin to Belfast City is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Belfast City Airport on Tuesday, 3 June 2025.
No airlines currently offer direct flights between Dublin Airport and Belfast City Airport. Most routes have one or more stops.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Aer Lingus offers the cheapest flight tickets to Belfast City.

Flying from Dublin Airport (DUB) to George Best Belfast City Airport (BHD): what you need to know

  • Dublin and Belfast share the same timezone, UTC+0.

  • To ensure you get on your DUB to BHD flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Travelling during a peak month such as August? School holidays and other popular periods can mean longer queues and delays at security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Think about adding a stopover when booking your ticket from Dublin Airport to George Best Belfast City Airport. Simply deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Here's where you can stop between DUB and BHD:

    • Leeds Bradford International Airport

    • Glasgow International Airport

    • Birmingham International Airport

How to find the cheapest flights from Dublin Airport (DUB) to George Best Belfast City Airport (BHD)

  • R 1,366 is currently the best price for a one-way Dublin Airport to George Best Belfast City Airport flight. Return flights start at R 3,250. These prices can change based on availability and demand.

  • Don't wait until the last minute. You're more likely to find cheap tickets from DUB to BHD if you book ahead. Airlines often offer some amazing early bird deals.

  • The 'Whole month' tool shows you the cheapest flights from Dublin Airport to George Best Belfast City Airport across the entire month. It's a great way to snap up a bargain if your travel plans are flexible.

  • Finding cheap flights from DUB to BHD couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a new deal comes up.

  • Select your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Dublin Airport to George Best Belfast City Airport.

Handy information about Dublin Airport (DUB)

  • 72.87% of flights taking off from Dublin Airport make it to their destination on time.

  • Central Dublin to Dublin Airport is around 21 kilometres. Depending on traffic, it'll take about 30 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The trip when using public transport usually takes 2 hours 10 minutes.

  • Taking an early flight from Dublin Airport to George Best Belfast City Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near DUB:

Arriving at George Best Belfast City Airport (BHD)

  • If you're getting in on a late Dublin Airport to George Best Belfast City Airport flight, nothing tops the convenience of being close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these options near BHD:

  • Grab a George Best Belfast City Airport rental car and explore Belfast and beyond with your own set of wheels. Budget, Sixt and Alamo are popular outlets to choose from here.

  • Reserving your vehicle from George Best Belfast City Airport around two weeks ahead can help you secure the lowest rate.

Getting from George Best Belfast City Airport (BHD) to central Belfast

  • From George Best Belfast City Airport, Belfast is approximately 8 kilometres away. It takes around 10 minutes to reach the centre by car.

  • It'll take around 20 minutes to get there using public transport.

When to fly to George Best Belfast City Airport (BHD)

  • July is the most popular month for flights from Dublin Airport to George Best Belfast City Airport. To escape the crowds, go to Belfast in February.

  • Lock in your flight from Dublin Airport to George Best Belfast City Airport for July if you want to explore Belfast during its warmest month. Expect temperatures of between 10ºC (50ºF) and 19ºC (66ºF).

  • If you like cooler conditions, search for a cheap ticket from DUB to BHD in January. Average temperatures are between 1ºC (34ºF) and 8ºC (46ºF) then.

Explore more of United Kingdom

  • Birmingham is just one of the many cities in United Kingdom waiting to be explored after you've experienced Belfast. Around 354 kilometres away to the south-east, check out popular attractions including Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another well-known destination in United Kingdom and is around 418 kilometres south-east of Belfast. No trip is complete without dropping by Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.