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Cheap flights from Ireland to Belfast from £36

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
11 May — 18 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Belfast
Explore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2026.

Sat 9/516:20
KIR
-
BFS
1 stop7h 00m
Multiple Airlines
Sat 16/511:10
BFS
-
KIR
1 stop4h 45m
Multiple Airlines
Deal found 9/4£70
Wed 6/506:30
DUB
-
BFS
1 stop8h 45m
Multiple Airlines
Wed 13/507:30
BFS
-
DUB
1 stop13h 15m
Multiple Airlines
Deal found 8/4£71
Wed 6/515:20
ORK
-
BFS
1 stop4h 30m
Multiple Airlines
Thu 7/506:40
BFS
-
ORK
1 stop6h 15m
Multiple Airlines
Deal found 7/4£72
Mon 27/419:55
DUB
-
BFS
1 stop12h 10m
Multiple Airlines
Tue 5/507:35
BFS
-
DUB
1 stop12h 15m
Multiple Airlines
Deal found 7/4£74
Thu 21/517:40
KIR
-
BFS
1 stop4h 40m
Ryanair
Thu 28/512:45
BFS
-
KIR
1 stop4h 30m
Ryanair
Deal found 6/4£75
Thu 21/513:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Wed 27/507:30
BFS
-
DUB
1 stop13h 15m
Multiple Airlines
Deal found 6/4£75
Tue 14/422:25
ORK
-
BFS
1 stop8h 40m
Multiple Airlines
Thu 16/422:45
BFS
-
ORK
1 stop9h 35m
Multiple Airlines
Deal found 7/4£75
Sat 9/521:45
DUB
-
BFS
1 stop11h 50m
Multiple Airlines
Sat 16/507:40
BFS
-
DUB
1 stop9h 55m
Multiple Airlines
Deal found 9/4£76
Thu 21/513:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Thu 28/512:45
BFS
-
DUB
1 stop11h 10m
Multiple Airlines
Deal found 7/4£77
Thu 14/507:30
DUB
-
BFS
1 stop7h 50m
Multiple Airlines
Thu 14/522:45
BFS
-
DUB
1 stop8h 30m
Multiple Airlines
Deal found 10/4£77
Mon 25/521:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Mon 1/621:55
BFS
-
ORK
1 stop10h 10m
Multiple Airlines
Deal found 10/4£77
Fri 22/522:20
DUB
-
BFS
1 stop10h 45m
Multiple Airlines
Fri 29/508:55
BFS
-
DUB
1 stop6h 05m
Multiple Airlines
Deal found 7/4£78

Find flight deals from Ireland to Belfast

Keep the following information in mind while searching for Ireland to Belfast flight deals. Data was last updated 11 April 2026.

Round-trip from

£70

One-way from

£36
9/5-16/5
  • 9/5-16/5
  • 2 total stops
  • 11h 45m total
  • Ireland to Belfast
Search Deals
6/5
  • 6/5
  • 1 total stop
  • 4h 30m total
  • Ireland to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast 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 11 April 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Sat 9/5

16:20-23:20

1 stop7h 00m

Belfast Intl

Sat 16/5

11:10-15:55

1 stop4h 45m

£71

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 6/5

15:20-19:50

1 stop4h 30m

Belfast Intl

Thu 7/5

06:40-12:55

1 stop6h 15m

£72

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 21/5

13:00-22:20

1 stop9h 20m

Belfast Intl

Wed 27/5

19:55-23:25

1 stop3h 30m

£74
Fastest return journey

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Thu 21/5

17:40-22:20

1 stop4h 40m

Belfast Intl

Thu 28/5

12:45-17:15

1 stop4h 30m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 11/5

20:35-10:00

1 stop13h 25m

Belfast Intl

Mon 18/5

21:55-08:30

1 stop10h 35m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/6

15:45-21:15

1 stop5h 30m

Belfast Intl

Mon 15/6

08:40-20:10

1 stop11h 30m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 9/5

21:45-09:35

1 stop11h 50m

Belfast Intl

Sat 16/5

07:40-17:35

1 stop9h 55m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 21/5

13:00-22:20

1 stop9h 20m

Belfast Intl

Thu 28/5

12:45-23:55

1 stop11h 10m

£77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 24/5

23:10-08:15

1 stop9h 05m

Belfast Intl

Sun 31/5

07:10-10:30

1 stop3h 20m

£77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 14/5

07:30-15:20

1 stop7h 50m

Belfast Intl

Thu 14/5

22:45-07:15

1 stop8h 30m

£77

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 56 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Belfast

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

    Ryanair can get you from Ireland to Belfast in just under 4h 40m. Your travel time can differ by up to . Airlines will cover a distance of 219 mi.

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

    The most popular route from Ireland to Belfast is Shannon - Belfast Intl. You may also consider Cork - Belfast Intl or Cork - Belfast City.

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Belfast Intl flights
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Luton to Belfast City flights
London City to Belfast City flights
Stansted to Belfast Intl flights
Stansted to Belfast City flights
Charles de Gaulle to Belfast Intl flights
Manchester to Belfast City flights
Birmingham to Belfast Intl flights
Bristol to Belfast Intl flights
Beauvais-Tille to Belfast Intl flights
Edinburgh to Belfast Intl flights
Liverpool to Belfast Intl flights
Birmingham to Belfast City flights
Edinburgh to Belfast City flights
Charles de Gaulle to Belfast City flights
Glasgow Intl to Belfast Intl flights
Shannon to Belfast Intl flights
Cork to Belfast Intl flights
Amsterdam to Belfast Intl flights
Leeds to Belfast Intl flights
Liverpool to Belfast City flights
Newcastle upon Tyne to Belfast Intl flights
Bristol to Belfast City flights
Amsterdam to Belfast City flights
East Midlands to Belfast Intl flights
Glasgow Intl to Belfast City flights
Leeds to Belfast City flights
Alicante to Belfast Intl flights
Cardiff to Belfast Intl flights
Heathrow to Derry flights
Cardiff to Belfast City flights
Cork to Belfast City flights
Duesseldorf Intl to Belfast Intl flights
Shannon to Belfast City flights
Frankfurt to Belfast Intl flights
Lyon to Belfast Intl flights
Frederic Chopin to Belfast Intl flights
East Midlands to Belfast City flights
Newcastle upon Tyne to Belfast City flights
Southampton to Belfast Intl flights
Alicante to Belfast City flights
Southend to Belfast Intl flights
Lyon to Belfast City flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Belfast?

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Belfast flexibly with Cheapflights today.

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