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Cheap flights from Belfast to Ireland from £47

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 December 2025.

Fri 19/1205:45BFS - ORK
1 stop9h 45mMultiple Airlines
Sun 21/1221:25ORK - BFS
1 stop12h 20mMultiple Airlines
Deal found 17/12£128
Fri 19/1211:20BHD - ORK
1 stop11h 40mMultiple Airlines
Sun 21/1221:25ORK - BHD
1 stop12h 25mMultiple Airlines
Deal found 17/12£151

Find 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 December 2025.

Round-trip from

£83

One-way from

£47
30/1-6/2
  • 30/1-6/2
  • 2 total stops
  • 9h 10m total
  • Belfast to Ireland
Search Deals
8/2
  • 8/2
  • 1 total stop
  • 5h 30m 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 18 December 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

Fri 30/1

18:00-23:05

1 stop5h 05m

Dublin

Fri 6/2

17:00-21:05

1 stop4h 05m

£83

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 30/1

18:00-07:40

1 stop13h 40m

Cork

Fri 6/2

16:55-21:05

1 stop4h 10m

£83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

16:35-21:35

1 stop5h 00m

Dublin

Mon 26/1

15:00-18:55

1 stop3h 55m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

14:50-21:05

1 stop6h 15m

Dublin

Sun 25/1

20:50-07:25

1 stop10h 35m

£88

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 24/1

14:15-20:20

1 stop6h 05m

Dublin

Mon 26/1

06:30-16:25

1 stop9h 55m

£90

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 5/1

12:40-20:55

1 stop8h 15m

Cork

Thu 8/1

19:45-09:45

1 stop14h 00m

£91

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sat 31/1

23:10-09:30

1 stop10h 20m

Shannon

Sat 7/2

20:45-06:45

1 stop10h 00m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

23:10-13:20

1 stop14h 10m

Dublin

Sat 7/2

06:30-11:55

1 stop5h 25m

£100

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 31/1

13:10-23:15

1 stop10h 05m

Cork

Sat 7/2

20:00-08:50

1 stop12h 50m

£104

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 22/1

20:00-07:50

1 stop11h 50m

Dublin

Mon 26/1

06:30-16:25

1 stop9h 55m

£108

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 26 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 December 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 45m. British Airways provides one of the quickest options available for as low as £170. There are 84 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

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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.
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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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£161FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£59Average£104FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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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