Cheap flights from Belfast to Ireland from £49

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Belfast to Ireland

Keep the following information in mind while searching for Belfast to Ireland flight deals. Data was last updated 18 September 2025.

Round-trip from

£94

One-way from

£49
1/11-8/11
  • 1/11-8/11
  • 2 total stops
  • 20h 50m total
  • Belfast to Ireland
5/12
  • 5/12
  • 1 total stop
  • 5h 05m total
  • Belfast to Ireland

Find flight deals from Belfast to Ireland

Cheapest flights from Belfast to Ireland
Explore the most affordable flight options available from Belfast to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Sat 1/1123:10BFS - DUB
1 stop14h 10mMultiple Airlines
Sat 8/1108:30DUB - BFS
1 stop6h 40mMultiple Airlines
Deal found 16/9£94
Sat 1/1123:10BFS - SNN
1 stop10h 20mMultiple Airlines
Sat 8/1120:45SNN - BFS
1 stop10h 00mMultiple Airlines
Deal found 17/9£97
Fri 28/1114:30BFS - ORK
1 stop7h 25mMultiple Airlines
Sun 30/1122:25ORK - BFS
1 stop9h 00mMultiple Airlines
Deal found 17/9£100
Sat 1/1122:25BFS - ORK
1 stop8h 35mMultiple Airlines
Sat 8/1122:40ORK - BFS
1 stop8h 05mMultiple Airlines
Deal found 17/9£101
Thu 6/1107:05BFS - DUB
1 stop11h 55mMultiple Airlines
Mon 10/1106:30DUB - BFS
1 stop12h 25mMultiple Airlines
Deal found 16/9£103
Wed 15/1015:25BFS - DUB
1 stop5h 30mMultiple Airlines
Wed 22/1010:05DUB - BFS
1 stop4h 55mMultiple Airlines
Deal found 17/9£104
Sat 1/1105:45BFS - DUB
1 stop9h 05mRyanair
Sat 8/1116:55DUB - BFS
1 stop5h 05mRyanair
Deal found 17/9£108
Tue 23/922:55BFS - ORK
1 stop9h 45mMultiple Airlines
Mon 29/913:40ORK - BFS
1 stop8h 40mMultiple Airlines
Deal found 16/9£111
Fri 31/1007:50BFS - DUB
1 stop7h 00mMultiple Airlines
Fri 7/1118:45DUB - BFS
1 stop14h 05mMultiple Airlines
Deal found 16/9£111
Fri 31/1007:50BFS - ORK
1 stop8h 40mMultiple Airlines
Fri 7/1122:20ORK - BFS
1 stop10h 30mMultiple Airlines
Deal found 15/9£112
Sat 8/1107:20BFS - ORK
1 stop11h 05mMultiple Airlines
Sat 15/1118:50ORK - BFS
1 stop13h 20mMultiple Airlines
Deal found 17/9£116
Thu 6/1113:20BHD - DUB
1 stop5h 40mMultiple Airlines
Mon 10/1106:30DUB - BHD
1 stop6h 15mMultiple Airlines
Deal found 16/9£127

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Ireland 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 18 September 2025.
Use the filters below to find and compare flights from Belfast to Ireland that are best for you.

Fly from

Belfast

Fly to

Ireland

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/11

23:10-13:20

1 stop14h 10m

Dublin

Sat 8/11

08:30-15:10

1 stop6h 40m

£94

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sat 1/11

23:10-09:30

1 stop10h 20m

Shannon

Sat 8/11

20:45-06:45

1 stop10h 00m

£97

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 28/11

14:30-21:55

1 stop7h 25m

Cork

Sun 30/11

22:25-07:25

1 stop9h 00m

£100

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 1/11

22:25-07:00

1 stop8h 35m

Cork

Sat 8/11

22:40-06:45

1 stop8h 05m

£101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 6/11

07:05-19:00

1 stop11h 55m

Dublin

Mon 10/11

06:30-18:55

1 stop12h 25m

£103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/10

15:25-20:55

1 stop5h 30m

Dublin

Wed 22/10

10:05-15:00

1 stop4h 55m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/11

05:45-14:50

1 stop9h 05m

Dublin

Sat 8/11

16:55-22:00

1 stop5h 05m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 31/10

07:50-14:50

1 stop7h 00m

Dublin

Fri 7/11

18:45-08:50

1 stop14h 05m

£111

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 31/10

07:50-16:30

1 stop8h 40m

Cork

Fri 7/11

22:20-08:50

1 stop10h 30m

£112

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 8/11

07:20-18:25

1 stop11h 05m

Cork

Sat 15/11

18:50-08:10

1 stop13h 20m

£116

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 44 results
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Best time to book a flight from Belfast to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

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

Find hourly flight availability from Belfast to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

When flying from Belfast to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Belfast to Ireland?

    A quick flight from Belfast to Ireland can take about 6h 20m. Ryanair provides one of the quickest options available for as low as £159. There are 84 mi between Belfast and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Belfast to Ireland?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to Ireland 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 Ireland?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Ireland (average of £71). Flying from Belfast to Ireland in April is currently the most expensive (average of £92). 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

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Alternative routes for Belfast to Ireland

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

Top 2 airlines flying from Belfast to Ireland

Discover the top 2 airlines that operate flights from Belfast to Ireland. 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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£38Average£176FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£58Average£92FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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When you search for this flight from Belfast to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to Ireland, users can toggle the no change fees filter when performing a flight search.

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

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