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Cheap flights from Belfast Intl Airport to Dublin from £54

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Belfast Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 July 2025.

Round-trip from

£94

One-way from

£54
27/8-29/8
  • 27/8-29/8
  • 2 total stops
  • 18h 20m total
  • Belfast to Dublin
7/8
  • 7/8
  • 1 total stop
  • 5h 00m total
  • Belfast to Dublin

Find flight deals from Belfast Intl to Dublin

Cheapest flights from Belfast Intl to Dublin
Explore the most affordable flight options available from Belfast Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Wed 27/807:00BFS - DUB
1 stop14h 15mMultiple Airlines
Fri 29/818:45DUB - BFS
1 stop4h 05mMultiple Airlines
Deal found 3/7£94

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast Intl to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Dublin that are best for you.

Fly from

Belfast Intl

Fly to

Dublin

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 27/8

07:00-21:15

1 stop14h 15m

Dublin

Fri 29/8

18:45-22:50

1 stop4h 05m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 7/8

08:15-13:15

1 stop5h 00m

£54

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Best time to book a flight from Belfast Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Belfast Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Dublin from Belfast Intl?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Belfast Intl. On average, Dublin has 0 inbound flights from Belfast Intl per day from 0 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • Can I find deals for flights from Belfast Intl to Dublin that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Dublin.

  • Can I find deals for business class flights from Belfast Intl to Dublin?

    Yes. Cheapflights offers flight deals from Belfast Intl to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast Intl Airport to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Dublin (average of £71). Flying from Belfast Intl Airport to Dublin in August is currently the most expensive (average of £93). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Wicklow
Athlone
Bray
Malahide
Tullamore
Cavan
Drogheda
Portmarnock
Enniscorthy
Mullingar
Dundalk
Arklow
Carlingford
Kildare
Maynooth
Swords
Castleknock
Naas

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Alternative routes for Belfast Intl to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Belfast Intl to Dublin?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dublin from Belfast Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Dublin?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to Dublin for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast Intl to Dublin with no change fees?

Need flexible booking options for your flight to Dublin from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Dublin become cheaper?

Yes! Start tracking prices for Belfast Intl to Dublin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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