Cheap flight tickets from Belfast to Dublin

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Flight deals from Belfast to Dublin Airport

Looking for a cheap last-minute deal or the best return flight from Belfast to Dublin Airport? If you want to travel next month, return fares start from RM457. Find the lowest prices on one-way and return tickets right here.

Dublin.RM377 per passenger.Departing Mon, 23 Mar, returning Tue, 14 Apr.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Mon, 23 Mar, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Tue, 14 Apr, arriving in Belfast International.Price includes taxes and charges.From RM377, select.

Dublin.RM397 per passenger.Departing Tue, 12 May, returning Sun, 7 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Tue, 12 May, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Sun, 7 Jun, arriving in Belfast International.Price includes taxes and charges.From RM397, select.

Dublin.RM450 per passenger.Departing Wed, 17 Jun, returning Tue, 7 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Wed, 17 Jun, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Tue, 7 Jul, arriving in Belfast International.Price includes taxes and charges.From RM450, select.

Dublin.RM451 per passenger.Departing Wed, 6 May, returning Wed, 13 May.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Wed, 6 May, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Wed, 13 May, arriving in Belfast International.Price includes taxes and charges.From RM451, select.

Dublin.RM452 per passenger.Departing Wed, 15 Apr, returning Wed, 6 May.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Wed, 15 Apr, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Wed, 6 May, arriving in Belfast International.Price includes taxes and charges.From RM452, select.

Dublin.RM457 per passenger.Departing Wed, 22 Apr, returning Thu, 23 Apr.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast City on Wed, 22 Apr, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Thu, 23 Apr, arriving in Belfast City.Price includes taxes and charges.From RM457, select.

Dublin.RM509 per passenger.Departing Thu, 4 Jun, returning Thu, 11 Jun.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Thu, 4 Jun, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Thu, 11 Jun, arriving in Belfast International.Price includes taxes and charges.From RM509, select.

Dublin.RM525 per passenger.Departing Wed, 11 Mar, returning Wed, 25 Mar.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast City on Wed, 11 Mar, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Wed, 25 Mar, arriving in Belfast City.Price includes taxes and charges.From RM525, select.

Dublin.RM671 per passenger.Departing Mon, 6 Jul, returning Fri, 25 Sep.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Mon, 6 Jul, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Fri, 25 Sep, arriving in Belfast International.Price includes taxes and charges.From RM671, select.

Dublin.RM689 per passenger.Departing Mon, 14 Sep, returning Fri, 18 Sep.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Mon, 14 Sep, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Fri, 18 Sep, arriving in Belfast International.Price includes taxes and charges.From RM689, select.

Dublin.RM724 per passenger.Departing Thu, 2 Jul, returning Tue, 7 Jul.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Thu, 2 Jul, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Tue, 7 Jul, arriving in Belfast International.Price includes taxes and charges.From RM724, select.

Dublin.RM748 per passenger.Departing Sun, 20 Dec, returning Sat, 9 Jan.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Sun, 20 Dec, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Sat, 9 Jan, arriving in Belfast International.Price includes taxes and charges.From RM748, select.

Dublin.RM791 per passenger.Departing Fri, 4 Dec, returning Fri, 18 Dec.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from Belfast International on Fri, 4 Dec, arriving in Dublin.Inbound indirect flight with Aer Lingus, departs from Dublin on Fri, 18 Dec, arriving in Belfast International.Price includes taxes and charges.From RM791, select.

Dublin.RM793 per passenger.Departing Sun, 25 Oct, returning Sun, 15 Nov.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Belfast International on Sun, 25 Oct, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Sun, 15 Nov, arriving in Belfast International.Price includes taxes and charges.From RM793, select.

Dublin.RM800 per passenger.Departing Fri, 31 Jul, returning Fri, 21 Aug.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Fri, 31 Jul, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Fri, 21 Aug, arriving in Belfast International.Price includes taxes and charges.From RM800, select.

Dublin.RM872 per passenger.Departing Sat, 22 Aug, returning Mon, 24 Aug.Return flight with easyJet and Ryanair.Outbound indirect flight with easyJet, departs from Belfast International on Sat, 22 Aug, arriving in Dublin.Inbound indirect flight with Ryanair, departs from Dublin on Mon, 24 Aug, arriving in Belfast International.Price includes taxes and charges.From RM872, select.

Find the cheapest month to fly from Belfast to Dublin

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

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Belfast to Dublin: Alternative routes

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

Dublin

10km from central Dublin

ClosestCheapest

from RM377

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Belfast to Dublin: Flight information

The things to know before you go.

Cheapest flight found	RM377
Cheapest month to fly	March

Finding cheap flights from Belfast to Dublin: Frequently asked questions

How much are return flights from Belfast to Dublin?

The best price we found for a return flight from Belfast to Dublin is RM377. 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.

Which airlines fly direct from Belfast to Dublin?

Currently, there are no airlines that fly direct from Belfast to Dublin. But we found flights with one stop from RM377.

How many flights are there a week from Belfast to Dublin?

As of March 2026, there are no flights flying from Belfast to Dublin.

When is the cheapest time to fly from Belfast to Dublin?

The cheapest month to fly from Belfast to Dublin is usually March.

Which upcoming date is cheapest to fly from Belfast to Dublin Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Dublin Airport on Monday, 23 March 2026.

Can I get a direct flight from Belfast to Dublin Airport?

No airlines currently offer direct flights between Belfast and Dublin Airport. Most routes have one or more stops.

How can I find the best flight deal to Dublin?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Dublin?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Belfast to Dublin with?

The cheapest airline that flies to Dublin is Ryanair .

Travelling from Belfast to Dublin Airport (DUB): What you need to know

Belfast has a couple of airports where you can start your adventure. Check out your options for booking a flight from Belfast to Dublin Airport (DUB) taking off from Belfast International Airport (BFS) or George Best Belfast City Airport (BHD).
Belfast and Dublin (where Dublin Airport is located) share the UTC+0 timezone. That means you won't have to adjust your watch once you land.
For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your flight from Belfast to DUB.
Taking off during a peak time like school or public holidays? Expect longer queues at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

Airports in Belfast

Belfast International Airport (BFS)

Think about adding a stopover to find cheap flights from Belfast to DUB. Simply deselect 'Direct flights only' when browsing departures from Belfast International Airport (BFS). Pause your trip (and maybe pocket some savings) with a stop at one of these airports:
- Birmingham International Airport (BHX)
- Glasgow International Airport (GLA)
- Newcastle International Airport (NCL)
Travelling from central Belfast to BFS takes around 2 hours on public transport. If you drive, ride-share or get a cab, you'll cover the 32 kilometres in 30 minutes or so, depending on traffic.
Searching for a comfortable hotel close to Belfast International Airport? If you're catching an early flight from Belfast to Dublin Airport, these accommodation options will have you sleeping just around the corner from the terminal:
67.55% of flights that depart Belfast International Airport land at their destination on schedule.

George Best Belfast City Airport (BHD)

Make the most of your holiday with a stopover on your flight from Belfast to Dublin Airport. Here's where you can connect between George Best Belfast City Airport and DUB:
- Manchester Airport (MAN)
- Edinburgh Airport (EDI)
- Birmingham International Airport (BHX)
Using public transport, you can travel from central Belfast to BHD in around 20 minutes. The airport is roughly 8 kilometres away, and getting there by car takes approximately 10 minutes.
Taking off bright and early? You might like to check in to one of these accommodation options near George Best Belfast City Airport the day before your Belfast to DUB flight:
When it comes to flights staying on schedule, George Best Belfast City Airport has an on-time arrival rate of 68.3%.

About Dublin Airport (DUB)

Have a late flight from Belfast to Dublin Airport? Don't let it end in exhaustion. Check in to one of these hotels near DUB and hit the lights earlier:
Pick up a Dublin Airport rental car and explore Dublin and beyond with your own wheels. Easirent, Budget and Carhire are well-known companies you can book with here.
Lock in the lowest price by reserving your ride around two weeks ahead of your Belfast to Dublin Airport flight.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport is roughly 8 kilometres from central Dublin. How long it'll take to get there in a car hire or cab will depend on the time of day. Do a little research before your trip.
If you're travelling on public transport, expect a journey time of around 2 hours 10 minutes.

How to find the cheapest flights from Belfast to Dublin Airport (DUB)

At the moment, RM188 is the best price we've found for a one-way ticket from Belfast to Dublin Airport. The cheapest price for a return flight is RM377. Remember fares can change due to availability at the time of booking.
To pick up cheap flights from Belfast to DUB, book early. Airlines generally offer their most competitively priced fares when flights are first released.
Cheap Belfast to Dublin Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' search tool to compare fares throughout the month and then fly out on the cheapest day.
There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you when there's a better deal on plane tickets from Belfast to DUB.
Find an affordable flight from Belfast to Dublin Airport by using filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Belfast to Dublin Airport (DUB)

Think about the kind of holiday you want when deciding when to fly. February is the quietest month to go to Dublin. August is when most people book flights from Belfast to Dublin Airport (DUB), which may be ideal if you're after more excitement.
When booking your Belfast to DUB plane ticket, consider what kind of weather you prefer. July is the warmest month in Dublin, with temperatures ranging from 10ºC (50ºF) to 20ºC (68ºF).
If you'd rather travel in cooler conditions, search for a cheap ticket from Belfast to Dublin Airport in January when temperatures are between 1ºC (34ºF) and 9ºC (48ºF).

More about Dublin

After booking your flight from Belfast to Dublin Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Dublin:
Your Dublin visit wouldn't be complete without a bit of sightseeing. Top attractions worth exploring include Trinity College Library, Guinness Storehouse and St. Patrick's Cathedral.

Explore more of Ireland

Dublin is always a good idea, but there are so many other corners of Ireland waiting to be explored. About 225 kilometres south-west of Dublin, a visit to Cork will keep you busy. Start with leading attractions like Blarney Castle, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.
If you're ready to explore another corner of Ireland, consider Waterford, about 145 kilometres south-west of Dublin. Bishop's Palace, Christ Church Cathedral and Waterford Treasures Medieval Museum are key reasons to visit.