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Cheap flights from Belfast to Dublin from £46

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Dublin

Enter your travel dates to find the best prices.

Best flights from Belfast to Dublin
Discover carefully curated flight deals from Belfast to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 December 2025.

Wed 21/115:45BFS - DUB
1 stop4h 20mMultiple Airlines
Wed 28/108:15DUB - BFS
1 stop9h 40mMultiple Airlines
Deal found 7/12£91
Thu 15/106:35BHD - DUB
1 stop7h 30mBritish Airways
Mon 19/117:55DUB - BHD
1 stop15h 10mBritish Airways
Deal found 7/12£162
Mon 26/107:50BFS - DUB
1 stop9h 35mMultiple Airlines
Fri 30/115:15DUB - BFS
1 stop5h 50mMultiple Airlines
Deal found 8/12£92
Thu 15/120:00BHD - DUB
1 stop11h 05mMultiple Airlines
Mon 19/106:55DUB - BHD
1 stop10h 20mMultiple Airlines
Deal found 8/12£92
Thu 15/116:00BFS - DUB
1 stop5h 35mMultiple Airlines
Mon 19/113:10DUB - BFS
1 stop7h 10mMultiple Airlines
Deal found 6/12£92
Thu 15/117:20BHD - DUB
1 stop4h 50mKLM
Mon 19/105:55DUB - BHD
1 stop10h 55mKLM
Deal found 6/12£239
Thu 22/116:35BFS - DUB
1 stop5h 00mMultiple Airlines
Thu 29/105:45DUB - BFS
1 stop13h 35mMultiple Airlines
Deal found 8/12£95
Sat 17/114:15BHD - DUB
1 stop8h 40mMultiple Airlines
Mon 19/106:30DUB - BHD
1 stop9h 55mMultiple Airlines
Deal found 8/12£107
Thu 15/106:35BHD - DUB
1 stop5h 40mBritish Airways
Sat 17/117:55DUB - BHD
1 stop14h 20mBritish Airways
Deal found 6/12£170
Tue 20/108:45BHD - DUB
1 stop8h 20mBritish Airways
Sat 24/113:10DUB - BHD
1 stop4h 05mBritish Airways
Deal found 6/12£170

Find 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 9 December 2025.

Round-trip from

£91

One-way from

£46
21/1-28/1
  • 21/1-28/1
  • 2 total stops
  • 14h 00m total
  • Belfast to Dublin
Search Deals
11/1
  • 11/1
  • 1 total stop
  • 4h 45m total
  • Belfast to Dublin
Search Deals

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 9 December 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

Wed 21/1

15:45-20:05

1 stop4h 20m

Dublin

Wed 28/1

08:15-17:55

1 stop9h 40m

£91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 26/1

07:50-17:25

1 stop9h 35m

Dublin

Fri 30/1

15:15-21:05

1 stop5h 50m

£92

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

20:00-07:05

1 stop11h 05m

Dublin

Mon 19/1

06:55-17:15

1 stop10h 20m

£92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

16:00-21:35

1 stop5h 35m

Dublin

Mon 19/1

13:10-20:20

1 stop7h 10m

£92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

16:35-21:35

1 stop5h 00m

Dublin

Thu 29/1

05:45-19:20

1 stop13h 35m

£95

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 17/1

14:15-22:55

1 stop8h 40m

Dublin

Mon 19/1

06:30-16:25

1 stop9h 55m

£107

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

06:35-14:05

1 stop7h 30m

Dublin

Mon 19/1

17:55-09:05

1 stop15h 10m

£162

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

06:35-12:15

1 stop5h 40m

Dublin

Sat 17/1

17:55-08:15

1 stop14h 20m

£170

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 20/1

08:45-17:05

1 stop8h 20m

Dublin

Sat 24/1

13:10-17:15

1 stop4h 05m

£170

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

17:20-22:10

1 stop4h 50m

Dublin

Mon 19/1

05:55-16:50

1 stop10h 55m

£239

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 17 results
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2

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 9 December 2025.

One of the essential ways to save on airfare from Belfast to Dublin is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 64% 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 7h 30m. 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.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Wicklow
Cavan
Tullamore
Arklow
Drogheda
Malahide
Portmarnock
Dundalk
Enniscorthy
Mullingar
Bray
Kildare
Maynooth
Carlingford
Swords
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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£161FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£59Average£97FlexibilityNo 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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