When did momondo last update prices for flights from Ireland to Belfast Intl Airport?

Prices for flights from Ireland to Belfast Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Ireland to Belfast Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£45 Cheap Flights from Ireland to Belfast Intl Airport in 2025

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Find the cheapest flights from Ireland to Belfast

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Belfast

15:25 - 21:30KIR-BFS

6h 05m1 stop

21:55 - 10:30BFS-KIR

12h 35m1 stop

£99

Find Deal

Mo, 15 Sep - Mo, 22 Sep

07:15 - 11:20DUB-BFS

4h 05m1 stop

09:00 - 18:55BFS-DUB

9h 55m1 stop

£102

Find Deal

Di, 26 Aug - Di, 2 Sep

18:45 - 22:50DUB-BFS

4h 05m1 stop

07:00 - 14:20BFS-DUB

7h 20m1 stop

£104

Find Deal

Fr, 5 Sep - Do, 11 Sep

06:30 - 16:40DUB-BFS

10h 10m1 stop

07:15 - 12:50BFS-DUB

5h 35m1 stop

£104

Find Deal

Fr, 12 Sep - So, 14 Sep

23:15 - 07:50SNN-BFS

8h 35m1 stop

07:45 - 12:40BFS-SNN

4h 55m1 stop

£107

Find Deal

Mo, 15 Sep - So, 21 Sep

07:45 - 11:00DUB-BFS

3h 15m1 stop

11:25 - 00:55BFS-DUB

13h 30m1 stop

£107

Find Deal

So, 14 Sep - So, 21 Sep

17:05 - 22:15DUB-BFS

5h 10m1 stop

15:55 - 23:40BFS-DUB

7h 45m1 stop

£108

Find Deal

Do, 4 Sep - Do, 11 Sep

19:00 - 08:25DUB-BFS

13h 25m1 stop

05:45 - 18:20BFS-DUB

12h 35m1 stop

£109

Find Deal

Fr, 14 Nov - Sa, 22 Nov

14:20 - 21:45DUB-BFS

7h 25m1 stop

10:25 - 22:20BFS-DUB

11h 55m1 stop

£110

Find Deal

Mi, 27 Aug - Mi, 3 Sep

07:25 - 15:30DUB-BFS

8h 05m1 stop

22:55 - 08:55BFS-DUB

10h 00m1 stop

£110

Find Deal

Do, 18 Sep - So, 21 Sep

momondo Fare Finder

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

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry) Kerry

Mo 15/9

15:25-21:30

1 stop6h 05m

Belfast Intl

Mo 22/9

21:55-10:30

1 stop12h 35m

£99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Di 26/8

07:15-11:20

1 stop4h 05m

Belfast Intl

Di 2/9

09:00-18:55

1 stop9h 55m

£102

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fr 5/9

18:45-22:50

1 stop4h 05m

Belfast Intl

Do 11/9

07:00-14:20

1 stop7h 20m

£104

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fr 12/9

06:30-16:40

1 stop10h 10m

Belfast Intl

So 14/9

07:15-12:50

1 stop5h 35m

£104

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Mo 15/9

23:15-07:50

1 stop8h 35m

Belfast Intl

So 21/9

07:45-12:40

1 stop4h 55m

£107

DublinBelfast

DUB - BFS

DUBBFS

Dublin

So 14/9

07:45-11:00

1 stop3h 15m

Belfast Intl

So 21/9

11:25-00:55

1 stop13h 30m

£107

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Do 4/9

17:05-22:15

1 stop5h 10m

Belfast Intl

Do 11/9

15:55-23:40

1 stop7h 45m

£108

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fr 14/11

19:00-08:25

1 stop13h 25m

Belfast Intl

Sa 22/11

05:45-18:20

1 stop12h 35m

£109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mi 27/8

14:20-21:45

1 stop7h 25m

Belfast Intl

Mi 3/9

10:25-22:20

1 stop11h 55m

£110

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Do 18/9

07:25-15:30

1 stop8h 05m

Belfast Intl

So 21/9

22:55-08:55

1 stop10h 00m

£110

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Belfast Intl Airport?

If you’re flying from a popular airport in Ireland, such as Milltown (Kerry) or Cork, and flying into Belfast Intl Airport, then you can expect flight times to average 4h 55m and 6h 05m, respectively.

Cheap Ireland to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast Intl Airport

Best price found	£45
Fastest flight time	3h 15m
Direct flights	None

The best one-way flight to Belfast Intl Airport from Ireland in the past 72 hours is £45. The best return flight deal from Ireland to Belfast Intl Airport found on momondo in the last 72 hours is £99.

The fastest flight from Ireland to Belfast Intl Airport takes 3h 15m

There are no direct flights from Ireland to Belfast Intl Airport. Popular non-direct routes for this connection are Dublin Airport - Belfast Intl Airport, Shannon Airport - Belfast Intl Airport and Milltown (Kerry) Kerry Airport - Belfast Intl Airport.

Search flight deals

When did momondo last update prices for flights from Ireland to Belfast Intl Airport?
Prices for flights from Ireland to Belfast Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Ireland to Belfast Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Ballymena

Newry

Armagh

Cookstown

Dungannon

Portadown

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Belfast for you.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from Ireland with this policy.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.