Cheap Flights from Dublin to Belfast International

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Flight deals from Dublin to Belfast International

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

Belfast.$144 per passenger.Departing Tue, Sep 2, returning Tue, Sep 9.Round-trip flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departing from Dublin on Tue, Sep 2, arriving in Belfast International.Inbound indirect flight with easyJet, departing from Belfast International on Tue, Sep 9, arriving in Dublin.Price includes taxes and charges.From $144, select.

Belfast.$144 per passenger.Departing Tue, Aug 26, returning Tue, Sep 2.Round-trip flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departing from Dublin on Tue, Aug 26, arriving in Belfast International.Inbound indirect flight with easyJet, departing from Belfast International on Tue, Sep 2, arriving in Dublin.Price includes taxes and charges.From $144, select.

Belfast.$146 per passenger.Departing Tue, Aug 26, returning Wed, Aug 27.Round-trip flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departing from Dublin on Tue, Aug 26, arriving in Belfast International.Inbound indirect flight with easyJet, departing from Belfast International on Wed, Aug 27, arriving in Dublin.Price includes taxes and charges.From $146, select.

Belfast.$159 per passenger.Departing Thu, Oct 16, returning Thu, Oct 23.Round-trip flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departing from Dublin on Thu, Oct 16, arriving in Belfast International.Inbound indirect flight with easyJet, departing from Belfast International on Thu, Oct 23, arriving in Dublin.Price includes taxes and charges.From $159, select.

Belfast.$162 per passenger.Departing Thu, Jul 31, returning Thu, Aug 7.Round-trip flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departing from Dublin on Thu, Jul 31, arriving in Belfast International.Inbound indirect flight with easyJet, departing from Belfast International on Thu, Aug 7, arriving in Dublin.Price includes taxes and charges.From $162, select.

Belfast.$167 per passenger.Departing Sat, Jul 5, returning Mon, Jul 7.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Sat, Jul 5, arriving in Belfast International.Inbound indirect flight with Ryanair, departing from Belfast International on Mon, Jul 7, arriving in Dublin.Price includes taxes and charges.From $167, select.

Belfast.$167 per passenger.Departing Tue, Sep 23, returning Fri, Oct 10.Round-trip flight with Ryanair and easyJet.Outbound indirect flight with Ryanair, departing from Dublin on Tue, Sep 23, arriving in Belfast International.Inbound indirect flight with easyJet, departing from Belfast International on Fri, Oct 10, arriving in Dublin.Price includes taxes and charges.From $167, select.

Belfast.$176 per passenger.Departing Sat, Oct 25, returning Sat, Nov 1.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Sat, Oct 25, arriving in Belfast International.Inbound indirect flight with Ryanair, departing from Belfast International on Sat, Nov 1, arriving in Dublin.Price includes taxes and charges.From $176, select.

Find the cheapest month to fly from Dublin to Belfast International

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

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Dublin to Belfast International: 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 International.

Dublin to Belfast: Flight information

The things to know before you go.

Cheapest flight found	$144
Cheapest month to fly	September

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

Which airlines fly direct from Dublin to Belfast International?

Currently, there are no airlines that fly direct from Dublin to Belfast International. But we found flights with one or more stops from $144.

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

There are no flights flying from Dublin to Belfast International, as of July 2025.

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

The cheapest month to fly from Dublin to Belfast International is usually September.

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

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

How can I find the best flight deal to Belfast International?

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 Belfast International 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 Belfast?

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.

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

Currently, Ryanair offers the cheapest flight tickets to Belfast International.

Traveling from Dublin Airport (DUB) to Belfast International Airport (BFS): what you need to know

Dublin and Belfast are both in the UTC+0 timezone. That means you won't need to account for any time differences.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your DUB to BFS flight.
During popular months like August, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a high season in general.
We make it simple to book a flight with a stopover. To see all your options for tickets from Dublin Airport to Belfast International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Some great stopovers between DUB and BFS include:
- Liverpool John Lennon Airport
- Manchester Airport
- Birmingham International Airport

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

$68 is currently the lowest price for a one-way Dublin Airport to Belfast International Airport flight. Return flights start from $144. These fares can change based on demand.
Don't leave things to the last moment. You're more likely to find cheap tickets from DUB to BFS if you book early. Airlines often offer some amazing early bird rates.
If you're willing to be flexible with your travel plans, use the 'Whole month' search function. It'll show you the lowest price across the month when searching for a flight from Dublin Airport to Belfast International Airport.
You won't have to check every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a better deal on cheap flights from DUB to BFS.
Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Dublin Airport to Belfast International Airport.

Handy information about Dublin Airport (DUB)

When it comes to the on-time performance of Dublin Airport, 72.87% of flights arrive within the expected timeframe.
Dublin Airport is around 21 kilometers from central Dublin. If you're ride-sharing, catching a cab or driving from the center, it'll take 30 minutes or so to arrive, depending on the traffic.
The journey when using public transport takes roughly 2 hours 10 minutes.
Booked an early flight from Dublin Airport to Belfast International Airport? Avoid the stress of rushing to the airport (and get some extra shut-eye) by picking one of these hotels close to DUB:

Arriving at Belfast International Airport (BFS)

Consider booking a hotel close to BFS if you're catching a late Dublin Airport to Belfast International Airport flight. Settle into one of these accommodation options and skip the long transfer:
Get on the fast track to adventure by picking up a Belfast International Airport rental car. Grab your wheels from Budget, Drivalia or Dollar and experience the lesser-explored corners of Belfast and beyond.
To secure the lowest price, book your ride from Belfast International Airport around three weeks before you travel.

Getting from Belfast International Airport (BFS) to central Belfast

From Belfast International Airport, Belfast is approximately 32 kilometers away. It takes around 30 minutes to reach the center by car.
When traveling on public transport, expect a journey of about 2 hours.

When to fly to Belfast International Airport (BFS)

August is the busiest month for flights from Dublin Airport to Belfast International Airport. For a quieter experience, visit Belfast in January.
Before locking in your flight from Dublin Airport to Belfast International Airport, consider the type of weather you like. July is the warmest month in Belfast, with temperatures ranging from 10ºC (50ºF) to 19ºC (66ºF).
Look for cheap tickets from DUB to BFS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 8ºC (46ºF) on average.

Explore more of United Kingdom

Belfast has its own special appeal, but there are so many other parts of United Kingdom waiting to be explored. About 354 kilometers south-east of Belfast, a visit to Birmingham will keep you busy. Don't miss top attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.
Bristol is another sought-after destination in United Kingdom and is around 418 kilometers south-east of Belfast. No trip is complete without a visit to Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.