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Cheap flights from Belfast to Ireland from £51

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast to Ireland

Enter your travel dates to find the best prices.

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 31 October 2025.

Sat 6/1208:25BFS - DUB
1 stop12h 45mMultiple Airlines
Mon 8/1222:10DUB - BFS
1 stop9h 45mMultiple Airlines
Deal found 29/10£99
Fri 12/1218:30BFS - DUB
1 stop4h 35mMultiple Airlines
Fri 19/1216:05DUB - BFS
1 stop7h 20mMultiple Airlines
Deal found 28/10£105
Sat 6/1209:15BFS - ORK
1 stop8h 50mMultiple Airlines
Mon 8/1221:00ORK - BFS
1 stop11h 20mMultiple Airlines
Deal found 29/10£105
Thu 27/1119:45BFS - SNN
1 stop12h 25mMultiple Airlines
Thu 4/1218:15SNN - BFS
1 stop4h 35mMultiple Airlines
Deal found 30/10£106
Tue 4/1105:45BFS - DUB
1 stop4h 05mMultiple Airlines
Thu 6/1121:30DUB - BFS
1 stop9h 55mMultiple Airlines
Deal found 30/10£107
Thu 27/1121:00BFS - DUB
1 stop10h 05mMultiple Airlines
Thu 4/1221:50DUB - BFS
1 stop9h 35mMultiple Airlines
Deal found 29/10£109
Sun 14/1223:05BFS - DUB
1 stop8h 50mMultiple Airlines
Sun 21/1220:50DUB - BFS
1 stop10h 35mMultiple Airlines
Deal found 30/10£109
Sun 14/1222:45BFS - ORK
1 stop8h 40mMultiple Airlines
Sun 21/1222:25ORK - BFS
1 stop9h 35mMultiple Airlines
Deal found 29/10£110
Sat 29/1105:45BFS - ORK
1 stop13h 40mMultiple Airlines
Sat 6/1220:00ORK - BFS
1 stop12h 25mMultiple Airlines
Deal found 30/10£111
Mon 10/1107:50BFS - DUB
1 stop7h 00mMultiple Airlines
Wed 12/1111:40DUB - BFS
1 stop3h 05mMultiple Airlines
Deal found 30/10£112
Sat 6/1213:55BHD - DUB
1 stop9h 00mMultiple Airlines
Mon 8/1220:45DUB - BHD
1 stop12h 50mMultiple Airlines
Deal found 29/10£112
Sat 13/1205:45BFS - ORK
1 stop9h 20mMultiple Airlines
Sat 20/1222:40ORK - BFS
1 stop8h 05mMultiple Airlines
Deal found 29/10£112

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 31 October 2025.

Round-trip from

£99

One-way from

£51
6/12-8/12
  • 6/12-8/12
  • 2 total stops
  • 22h 30m total
  • Belfast to Ireland
Search Deals
21/12
  • 21/12
  • 1 total stop
  • 9h 00m total
  • Belfast to Ireland
Search Deals

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 31 October 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 6/12

08:25-21:10

1 stop12h 45m

Dublin

Mon 8/12

22:10-07:55

1 stop9h 45m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 12/12

18:30-23:05

1 stop4h 35m

Dublin

Fri 19/12

16:05-23:25

1 stop7h 20m

£105

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 6/12

09:15-18:05

1 stop8h 50m

Cork

Mon 8/12

21:00-08:20

1 stop11h 20m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 27/11

21:00-07:05

1 stop10h 05m

Dublin

Thu 4/12

21:50-07:25

1 stop9h 35m

£109

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sun 14/12

22:45-07:25

1 stop8h 40m

Cork

Sun 21/12

22:25-08:00

1 stop9h 35m

£110

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 10/11

07:50-14:50

1 stop7h 00m

Dublin

Wed 12/11

11:40-14:45

1 stop3h 05m

£112

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 13/12

05:45-15:05

1 stop9h 20m

Cork

Sat 20/12

22:40-06:45

1 stop8h 05m

£112

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 5/12

18:00-23:25

1 stop5h 25m

Dublin

Sun 7/12

21:15-06:50

1 stop9h 35m

£112

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 10/11

08:30-17:25

1 stop8h 55m

Dublin

Tue 11/11

18:25-07:40

1 stop13h 15m

£113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 3/12

07:00-18:25

1 stop11h 25m

Dublin

Fri 5/12

22:00-11:55

1 stop13h 55m

£115

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 51 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 31 October 2025.

It’s optimal to fly from Belfast to Ireland in the evening. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

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 16h 55m. KLM provides one of the quickest options available for as low as £286. There are 220 mi between Belfast and Ireland.

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

    While some choose either Belfast City - Dublin or Belfast Intl - Cork, Belfast Intl - Dublin is the most popular route 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£163FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£60Average£98FlexibilityNo 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 Ireland?

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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Ireland 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 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?

Not ready to book yet? You can track prices for flights from Belfast to Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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