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Cheap flights from Belfast to Dublin from £53

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
6 syys — 13 syys1
1 adult

Cheap flight deals from Belfast to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 1 syyskuu 2025.

Round-trip from

£100

One-way from

£53
14/10-21/10
  • 14/10-21/10
  • 2 total stops
  • 15h 50m total
  • Belfast to Dublin
Search Deals
15/10
  • 15/10
  • 1 total stop
  • 12h 00m total
  • Belfast to Dublin
Search Deals

Find flight deals from Belfast to Dublin

Cheapest flights from Belfast to Dublin
Explore the most affordable flight options available from Belfast to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 syyskuu 2025.

ti 14/1007:45BFS - DUB
1 stop10h 45mMultiple Airlines
ti 21/1006:50DUB - BFS
1 stop5h 05mMultiple Airlines
Deal found 30/8£100
ti 21/1006:45BFS - DUB
1 stop6h 50mMultiple Airlines
to 30/1008:30DUB - BFS
1 stop7h 40mMultiple Airlines
Deal found 31/8£104
ke 12/1108:50BFS - DUB
1 stop5h 05mMultiple Airlines
ke 12/1120:00DUB - BFS
1 stop13h 20mMultiple Airlines
Deal found 30/8£105
ti 30/912:25BFS - DUB
1 stop9h 05mMultiple Airlines
ti 7/1014:05DUB - BFS
1 stop8h 35mMultiple Airlines
Deal found 30/8£108
ke 22/1007:15BFS - DUB
1 stop5h 10mMultiple Airlines
ma 27/1021:40DUB - BFS
1 stop11h 30mMultiple Airlines
Deal found 1/9£110
to 2/1006:35BFS - DUB
1 stop7h 15mMultiple Airlines
ma 6/1016:00DUB - BFS
1 stop5h 05mMultiple Airlines
Deal found 30/8£113
ke 15/1021:50BFS - DUB
1 stop12h 00mMultiple Airlines
ke 22/1015:30DUB - BFS
1 stop4h 00mMultiple Airlines
Deal found 31/8£114
ti 4/1105:45BFS - DUB
1 stop4h 05mMultiple Airlines
ke 5/1106:45DUB - BFS
1 stop3h 35mMultiple Airlines
Deal found 30/8£118
la 11/1008:45BFS - DUB
1 stop4h 50mMultiple Airlines
ma 13/1006:30DUB - BFS
1 stop3h 15mMultiple Airlines
Deal found 30/8£125
la 1/1105:45BFS - DUB
1 stop4h 05mMultiple Airlines
su 2/1105:30DUB - BFS
1 stop5h 30mMultiple Airlines
Deal found 31/8£126
to 2/1020:05BHD - DUB
1 stop12h 30mMultiple Airlines
ma 6/1016:00DUB - BHD
1 stop5h 10mMultiple Airlines
Deal found 30/8£126
ti 4/1117:25BHD - DUB
1 stop4h 10mMultiple Airlines
ke 5/1114:10DUB - BHD
1 stop4h 15mMultiple Airlines
Deal found 30/8£141

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 1 syyskuu 2025.
Use the filters below to find and compare flights from Belfast to Dublin that are best for you.

Fly from

Belfast

Fly to

Dublin

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ti 14/10

07:45-18:30

1 stop10h 45m

Dublin

ti 21/10

06:50-11:55

1 stop5h 05m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

to 9/10

16:00-20:55

1 stop4h 55m

Dublin

ma 13/10

12:45-22:20

1 stop9h 35m

£101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

to 16/10

06:00-10:40

1 stop4h 40m

Dublin

to 23/10

06:30-15:30

1 stop9h 00m

£101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ti 21/10

06:45-13:35

1 stop6h 50m

Dublin

to 30/10

08:30-16:10

1 stop7h 40m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ke 12/11

08:50-13:55

1 stop5h 05m

Dublin

ke 12/11

20:00-09:20

1 stop13h 20m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ti 30/9

12:25-21:30

1 stop9h 05m

Dublin

ti 7/10

14:05-22:40

1 stop8h 35m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ke 22/10

07:15-12:25

1 stop5h 10m

Dublin

ma 27/10

21:40-09:10

1 stop11h 30m

£110

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

to 2/10

06:35-13:50

1 stop7h 15m

Dublin

ma 6/10

16:00-21:05

1 stop5h 05m

£113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ke 15/10

21:50-09:50

1 stop12h 00m

Dublin

ke 22/10

15:30-19:30

1 stop4h 00m

£114

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

ti 4/11

05:45-09:50

1 stop4h 05m

Dublin

ke 5/11

06:45-10:20

1 stop3h 35m

£118

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 37 results
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Best time to book a flight from Belfast to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Belfast 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.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Dublin

What is the cheapest time of day to fly from BFS to DUB?

Find hourly flight availability from Belfast to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 syyskuu 2025.

One of the essential ways to save on airfare from Belfast to Dublin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 10% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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?

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Belfast to Dublin. 2 airlines have flights to Dublin from Belfast on a regular basis. Booking flights from Belfast to Dublin should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

  • How long is the flight from Belfast to Dublin?

    Departing from Belfast to Dublin will take you 4h 45m. There are 84 mi between Belfast and Dublin.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Dublin (average of £71). Flying from Belfast to Dublin in August is currently the most expensive (average of £94). 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 Dublin?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Belfast to Dublin

Discover the top 2 airlines that operate flights from Belfast to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 syyskuu 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£38Average£178FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£58Average£93FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Belfast to Dublin via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Dublin for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Belfast to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dublin from Belfast today and book when prices fit your budget.

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