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Cheap flights from Ireland to Belfast Intl Airport from £37

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Belfast Intl
Explore the most affordable flight options available from Ireland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Wed 13/509:55
ORK
-
BFS
1 stop5h 20m
Multiple Airlines
Wed 20/515:40
BFS
-
ORK
1 stop8h 15m
Multiple Airlines
Deal found 29/3£68
Fri 15/513:30
DUB
-
BFS
1 stop6h 00m
Multiple Airlines
Fri 22/517:05
BFS
-
DUB
1 stop6h 54m
Multiple Airlines
Deal found 31/3£68
Tue 28/422:00
DUB
-
BFS
1 stop13h 35m
Multiple Airlines
Tue 5/508:50
BFS
-
DUB
1 stop14h 30m
Multiple Airlines
Deal found 31/3£69
Thu 14/513:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Thu 21/512:45
BFS
-
DUB
1 stop7h 45m
Multiple Airlines
Deal found 1/4£70
Wed 29/406:30
DUB
-
BFS
1 stop8h 45m
Multiple Airlines
Wed 6/515:40
BFS
-
DUB
1 stop5h 05m
Multiple Airlines
Deal found 1/4£71
Wed 13/510:05
DUB
-
BFS
1 stop5h 10m
Multiple Airlines
Wed 20/507:30
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Deal found 29/3£71
Mon 27/419:55
DUB
-
BFS
1 stop12h 10m
Multiple Airlines
Wed 6/520:15
BFS
-
DUB
1 stop11h 35m
Multiple Airlines
Deal found 30/3£72
Mon 11/520:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Wed 20/507:30
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Deal found 29/3£73
Wed 13/508:50
SNN
-
BFS
1 stop6h 25m
Multiple Airlines
Wed 20/515:40
BFS
-
SNN
1 stop7h 55m
Multiple Airlines
Deal found 29/3£74
Wed 6/515:20
ORK
-
BFS
1 stop4h 30m
Multiple Airlines
Fri 8/519:20
BFS
-
ORK
1 stop13h 05m
Multiple Airlines
Deal found 30/3£74
Sat 9/518:00
DUB
-
BFS
1 stop5h 20m
Multiple Airlines
Fri 15/508:55
BFS
-
DUB
1 stop8h 25m
Multiple Airlines
Deal found 2/4£74
Mon 13/406:55
DUB
-
BFS
1 stop8h 25m
Multiple Airlines
Mon 20/412:45
BFS
-
DUB
1 stop7h 25m
Multiple Airlines
Deal found 29/3£75

Find flight deals from Ireland to Belfast Intl

Keep the following information in mind while searching for Ireland to Belfast Intl flight deals. Data was last updated 2 April 2026.

Round-trip from

£68

One-way from

£37
15/5-22/5
  • 15/5-22/5
  • 2 total stops
  • 12h 54m total
  • Ireland to Belfast
Search Deals
14/5
  • 14/5
  • 1 total stop
  • 9h 20m total
  • Ireland to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast Intl 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 2 April 2026.
Use the filters below to find and compare flights from Ireland to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 13/5

09:55-15:15

1 stop5h 20m

Belfast Intl

Wed 20/5

15:40-23:55

1 stop8h 15m

£68

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 15/5

13:30-19:30

1 stop6h 00m

Belfast Intl

Fri 22/5

17:05-23:59

1 stop6h 54m

£68

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 14/5

13:00-22:20

1 stop9h 20m

Belfast Intl

Thu 21/5

12:45-20:30

1 stop7h 45m

£70

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 14/5

13:00-22:20

1 stop9h 20m

Belfast Intl

Wed 20/5

07:30-12:30

1 stop5h 00m

£71

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 13/5

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 20/5

07:30-12:30

1 stop5h 00m

£71

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 12/5

13:20-23:20

1 stop10h 00m

Belfast Intl

Tue 19/5

16:40-23:20

1 stop6h 40m

£72

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 13/5

08:50-15:15

1 stop6h 25m

Belfast Intl

Wed 20/5

15:40-23:35

1 stop7h 55m

£74

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 6/5

15:20-19:50

1 stop4h 30m

Belfast Intl

Fri 8/5

19:20-08:25

1 stop13h 05m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 18/5

22:05-12:15

1 stop14h 10m

Belfast Intl

Tue 26/5

20:15-07:50

1 stop11h 35m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 9/5

18:00-23:20

1 stop5h 20m

Belfast Intl

Fri 15/5

08:55-17:20

1 stop8h 25m

£75

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl Airport
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 Intl. 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 Intl Airport?

    For as low as £78, Ryanair can have you in Belfast Intl Airport from Ireland in 4h 40m. Airlines will cover a distance of 219 mi.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to Belfast Intl 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for Ireland to Belfast Intl

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

Cheapflights helps you search for flights from Ireland to Belfast Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Belfast Intl.

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

Yes, we can. To see specific flights from Ireland to Belfast Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Ireland today and book when prices fit your budget.

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