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Cheap flights from Belfast to Ireland from £40

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
9 Jul — 16 Jul1
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 9 June 2026.

Wed 22/715:40
BFS
-
ORK
1 stop8h 15m
Multiple Airlines
Wed 29/709:55
ORK
-
BFS
1 stop5h 20m
Multiple Airlines
Deal found 8/6£74
Tue 7/705:55
BFS
-
ORK
1 stop9h 40m
Multiple Airlines
Wed 8/709:55
ORK
-
BFS
1 stop5h 20m
Multiple Airlines
Deal found 9/6£76
Thu 9/722:45
BFS
-
ORK
1 stop9h 35m
Multiple Airlines
Mon 13/721:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Deal found 5/6£76
Tue 16/607:35
BFS
-
DUB
1 stop8h 50m
Multiple Airlines
Wed 17/610:05
DUB
-
BFS
1 stop5h 10m
Multiple Airlines
Deal found 8/6£77
Wed 22/707:30
BFS
-
DUB
1 stop7h 20m
Multiple Airlines
Fri 31/722:20
DUB
-
BFS
1 stop10h 45m
Multiple Airlines
Deal found 8/6£80
Tue 7/707:35
BFS
-
ORK
1 stop14h 10m
Multiple Airlines
Thu 9/717:25
ORK
-
BFS
1 stop4h 55m
Multiple Airlines
Deal found 9/6£80
Thu 2/712:45
BFS
-
ORK
1 stop4h 10m
Multiple Airlines
Mon 6/721:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Deal found 5/6£81
Mon 13/708:40
BFS
-
DUB
1 stop9h 30m
Multiple Airlines
Thu 16/710:20
DUB
-
BFS
1 stop12h 00m
Multiple Airlines
Deal found 7/6£82
Thu 9/722:45
BFS
-
ORK
1 stop9h 35m
Multiple Airlines
Wed 15/709:55
ORK
-
BFS
1 stop5h 20m
Multiple Airlines
Deal found 5/6£82
Wed 1/707:30
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Tue 7/706:05
DUB
-
BFS
1 stop3h 55m
Multiple Airlines
Deal found 8/6£83
Thu 23/712:45
BFS
-
DUB
1 stop11h 10m
Multiple Airlines
Sun 26/723:10
DUB
-
BFS
1 stop9h 05m
Multiple Airlines
Deal found 4/6£84
Mon 3/821:55
BFS
-
ORK
1 stop10h 10m
Multiple Airlines
Mon 10/821:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Deal found 8/6£84

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 9 June 2026.

Round-trip from

£74

One-way from

£40
22/7-29/7
  • 22/7-29/7
  • 2 total stops
  • 13h 35m total
  • Belfast to Ireland
Search Deals
15/6
  • 15/6
  • 1 total stop
  • 8h 25m 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 9 June 2026.
Use the filters below to find and compare flights from Belfast to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 7/7

05:55-15:35

1 stop9h 40m

Cork

Wed 8/7

09:55-15:15

1 stop5h 20m

£76

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 7/7

05:55-15:35

1 stop9h 40m

Cork

Thu 9/7

17:25-22:20

1 stop4h 55m

£76

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 13/7

21:55-08:05

1 stop10h 10m

Cork

Mon 20/7

21:05-10:00

1 stop12h 55m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 22/7

07:30-16:00

1 stop8h 30m

Dublin

Fri 31/7

22:20-09:05

1 stop10h 45m

£80

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 9/7

22:45-08:20

1 stop9h 35m

Cork

Mon 13/7

21:05-10:00

1 stop12h 55m

£81

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/8

21:40-10:30

1 stop12h 50m

Dublin

Tue 4/8

06:05-10:00

1 stop3h 55m

£82

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 9/7

22:45-08:20

1 stop9h 35m

Cork

Wed 15/7

09:55-15:15

1 stop5h 20m

£82

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sun 12/7

22:00-11:35

1 stop13h 35m

Cork

Sun 19/7

09:00-20:40

1 stop11h 40m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 23/7

12:45-23:55

1 stop11h 10m

Dublin

Sun 26/7

23:10-08:15

1 stop9h 05m

£83
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/7

07:30-12:30

1 stop5h 00m

Dublin

Tue 7/7

06:05-10:00

1 stop3h 55m

£83

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 50 resultsSorted by cheapest first
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5

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
No data available for this route at this time. Please check back soon.

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.

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

    While some choose either Belfast Intl - Cork or Belfast City - Dublin, 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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Belfast Intl to Newcastle upon Tyne flights
Belfast City to Granadilla flights
Belfast Intl to Puerto del Rosario flights
Belfast Intl to Bergamo flights

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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£180FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£70Average£118FlexibilityNo 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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