How long is the flight from Ireland to Northern Ireland?

The flight from Ireland to Northern Ireland depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Cork (a popular airport in Ireland) to Belfast Intl Airport (the most popular airport in Northern Ireland), then the flight time is 4h 30m on average. If you fly from Dublin (another popular airport in Ireland) to Belfast Intl Airport, then the average flight time is 5h 50m.

When did momondo last update prices for flights from Ireland to Northern Ireland?

Prices for flights from Ireland to Northern Ireland are refreshed on a daily basis.

How old do you have to be to fly from Ireland to Northern Ireland?

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 Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€41 Cheap Flights from Ireland to Northern Ireland in 2026

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Find the cheapest flights from Ireland to Northern Ireland

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Northern Ireland

Enter your travel dates to find the best prices.

10:05 - 15:15

DUB

BFS

5h 10m

1 stop

07:30 - 20:45

BFS

DUB

13h 15m

1 stop

€80Multiple Airlines

Wed, 20 May - Wed, 27 May

16:20 - 23:20

KIR

BFS

7h 00m

1 stop

11:10 - 15:55

BFS

KIR

4h 45m

1 stop

€80Multiple Airlines

Sat, 9 May - Sat, 16 May

10:05 - 15:15

DUB

BFS

5h 10m

1 stop

07:30 - 20:45

BFS

DUB

13h 15m

1 stop

€80Multiple Airlines

Wed, 20 May - Wed, 27 May

16:20 - 23:20

KIR

BFS

7h 00m

1 stop

11:10 - 15:55

BFS

KIR

4h 45m

1 stop

€82Multiple Airlines

Sat, 9 May - Sat, 16 May

06:30 - 15:15

DUB

BFS

8h 45m

1 stop

07:30 - 20:45

BFS

DUB

13h 15m

1 stop

€82Multiple Airlines

Wed, 6 May - Wed, 13 May

22:05 - 12:15

DUB

BFS

14h 10m

1 stop

08:50 - 17:40

BFS

DUB

8h 50m

1 stop

€83Multiple Airlines

Mon, 18 May - Tue, 26 May

15:20 - 19:50

ORK

BFS

4h 30m

1 stop

06:40 - 12:55

BFS

ORK

6h 15m

1 stop

€83Multiple Airlines

Wed, 6 May - Thu, 7 May

19:55 - 08:05

DUB

BFS

12h 10m

1 stop

07:35 - 19:50

BFS

DUB

12h 15m

1 stop

€85Multiple Airlines

Mon, 27 Apr - Tue, 5 May

15:20 - 19:50

ORK

BFS

4h 30m

1 stop

06:40 - 12:55

BFS

ORK

6h 15m

1 stop

€85Multiple Airlines

Wed, 6 May - Thu, 7 May

17:40 - 22:20

KIR

BFS

4h 40m

1 stop

12:45 - 17:15

BFS

KIR

4h 30m

1 stop

€86Ryanair

Thu, 21 May - Thu, 28 May

Aer Lingus flights from Ireland to Northern Ireland

Our best Aer Lingus deals on Ireland to Northern Ireland flight tickets

Aer Lingus

21 May

DUB06:50Dublin

5h 05m

1 stop

BHD11:55Belfast City

28 May

BHD12:50Belfast City

9h 50m

1 stop

DUB22:40Dublin

€169

Aer Lingus

19 Jun

DUB11:30Dublin

3h 25m

1 stop

BHD14:55Belfast City

21 Jun

BHD12:50Belfast City

9h 50m

1 stop

DUB22:40Dublin

€221

Aer Lingus

21 May

DUB07:30Dublin

6h 20m

1 stop

BHD13:50Belfast City

27 May

BHD07:00Belfast City

5h 45m

1 stop

DUB12:45Dublin

€240

British Airways flights from Ireland to Northern Ireland

Our best British Airways deals on Ireland to Northern Ireland flight tickets

British Airways

18 May

DUB20:30Dublin

12h 20m

1 stop

BHD08:50Belfast City

26 May

BHD20:25Belfast City

11h 15m

1 stop

DUB07:40Dublin

€258

British Airways

8 May

DUB20:10Dublin

12h 40m

1 stop

BHD08:50Belfast City

17 May

BHD19:10Belfast City

12h 35m

1 stop

DUB07:45Dublin

€268

British Airways

18 May

DUB20:30Dublin

12h 20m

1 stop

BHD08:50Belfast City

27 May

BHD20:35Belfast City

11h 10m

1 stop

DUB07:45Dublin

€271

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 20/5

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 27/5

07:30-20:45

1 stop13h 15m

€80

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

€80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 20/5

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 27/5

07:30-20:45

1 stop13h 15m

€80

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

€82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 6/5

06:30-15:15

1 stop8h 45m

Belfast Intl

Wed 13/5

07:30-20:45

1 stop13h 15m

€82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 18/5

22:05-12:15

1 stop14h 10m

Belfast Intl

Tue 26/5

08:50-17:40

1 stop8h 50m

€83

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

€83

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/4

19:55-08:05

1 stop12h 10m

Belfast Intl

Tue 5/5

07:35-19:50

1 stop12h 15m

€85

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

€85

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

€86

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 Northern Ireland

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

Airlines

Other information

What is the cheapest airline that flies from Ireland to Northern Ireland?

British Airways is the most popular carrier operating from Ireland to Northern Ireland

Cheap Ireland to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Northern Ireland

Fastest flight time	3h 00m
Direct flights	None

The fastest flight from Ireland to Northern Ireland takes 3h 00m

There are no direct flights from Ireland to Northern Ireland. There are no popular flight routes from Ireland to Northern Ireland.

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Frequently asked questions about flying from Ireland to Northern Ireland

When did momondo last update prices for flights from Ireland to Northern Ireland?
Prices for flights from Ireland to Northern Ireland are refreshed on a daily basis.
How old do you have to be to fly from Ireland to Northern Ireland?
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 Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 Northern Ireland for you.

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

All flight searches from Ireland to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Northern Ireland from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ireland to Northern Ireland 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.