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.

€43 Cheap Flights from Ireland to Northern Ireland in 2026

Find the cheapest flights from Ireland to Northern Ireland

Return

One-way

Last minute

Recent return flight deals from Ireland to Northern Ireland

Enter your travel dates to find the best prices.

15:45 - 22:20DUB Dublin-BFS Belfast Intl

6h 35m1 stop Manchester

17:40 - 21:10BFS Belfast Intl-DUB Dublin

3h 30m1 stop Edinburgh Turnhouse

€83Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

17:25 - 22:20ORK Cork-BFS Belfast Intl

4h 55m1 stop Manchester

08:30 - 13:40BFS Belfast Intl-ORK Cork

5h 10m1 stop London Stansted

€84Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

22:25 - 07:05ORK Cork-BFS Belfast Intl

8h 40m1 stop Manchester

08:25 - 21:50BFS Belfast Intl-ORK Cork

13h 25m1 stop Manchester

€84Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

15:45 - 22:20DUB Dublin-BFS Belfast Intl

6h 35m1 stop Manchester

19:55 - 23:25BFS Belfast Intl-DUB Dublin

3h 30m1 stop Nottingham East Midlands

€84Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

17:25 - 22:20ORK Cork-BFS Belfast Intl

4h 55m1 stop Manchester

15:40 - 23:55BFS Belfast Intl-ORK Cork

8h 15m1 stop Manchester

€85Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

23:50 - 08:30DUB Dublin-BFS Belfast Intl

8h 40m1 stop Manchester

15:40 - 20:30BFS Belfast Intl-DUB Dublin

4h 50m1 stop Manchester

€85Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

23:50 - 08:30DUB Dublin-BFS Belfast Intl

8h 40m1 stop Manchester

15:40 - 23:25BFS Belfast Intl-DUB Dublin

7h 45m1 stop Manchester

€86Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

06:20 - 12:20SNN Shannon-BFS Belfast Intl

6h 00m1 stop London Stansted

17:30 - 08:10BFS Belfast Intl-SNN Shannon

14h 40m1 stop London Stansted

€86Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

06:30 - 15:35DUB Dublin-LDY Londonderry Eglinton

9h 05m1 stop Manchester

16:00 - 21:30LDY Londonderry Eglinton-DUB Dublin

5h 30m1 stop Manchester

€87Multiple Airlines

Wed, 30 Sep - Wed, 7 Oct

22:20 - 09:05DUB Dublin-BFS Belfast Intl

10h 45m1 stop Edinburgh Turnhouse

19:20 - 01:00BFS Belfast Intl-DUB Dublin

5h 40m1 stop Edinburgh Turnhouse

€87Multiple Airlines

Fri, 16 Oct - Fri, 23 Oct

Recent last minute flight deals from Ireland to Northern Ireland

Enter your travel dates to find the best prices.

08:30 - 22:20SNN Shannon-BFS Belfast Intl

13h 50m1 stop Manchester

20:15 - 09:30BFS Belfast Intl-SNN Shannon

13h 15m1 stop London Stansted

€105Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

06:05 - 12:20SNN Shannon-BFS Belfast Intl

6h 15m1 stop London Stansted

20:15 - 09:30BFS Belfast Intl-SNN Shannon

13h 15m1 stop London Stansted

€112Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

06:05 - 12:20SNN Shannon-BFS Belfast Intl

6h 15m1 stop London Stansted

05:55 - 20:25BFS Belfast Intl-SNN Shannon

14h 30m2 stops Edinburgh Turnhouse London Stansted

€141Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

08:30 - 13:50SNN Shannon-BHD Belfast City

5h 20m1 stop Manchester

16:30 - 23:35BHD Belfast City-SNN Shannon

7h 05m1 stop Manchester

€153Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

20:55 - 20:50SNN Shannon-BHD Belfast City

23h 55m2 stops London Stansted Edinburgh Turnhouse

18:20 - 09:30BHD Belfast City-SNN Shannon

15h 10m2 stops Glasgow Intl London Stansted

€172Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

06:05 - 19:15SNN Shannon-BFS Belfast Intl

13h 10m2 stops London Stansted Edinburgh Turnhouse

08:50 - 20:25BFS Belfast Intl-SNN Shannon

11h 35m2 stops Edinburgh Turnhouse London Stansted

€172Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

06:05 - 19:15SNN Shannon-BFS Belfast Intl

13h 10m2 stops London Stansted Edinburgh Turnhouse

08:50 - 20:25BFS Belfast Intl-SNN Shannon

11h 35m2 stops Edinburgh Turnhouse London Stansted

€173Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

08:30 - 13:50SNN Shannon-BHD Belfast City

5h 20m1 stop Manchester

16:30 - 23:35BHD Belfast City-SNN Shannon

7h 05m1 stop Manchester

€190Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

06:05 - 17:45SNN Shannon-BHD Belfast City

11h 40m2 stops London Stansted Edinburgh Turnhouse

16:30 - 23:35BHD Belfast City-SNN Shannon

7h 05m1 stop Manchester

€192Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

06:05 - 17:45SNN Shannon-BHD Belfast City

11h 40m2 stops London Stansted Edinburgh Turnhouse

18:20 - 09:30BHD Belfast City-SNN Shannon

15h 10m2 stops Glasgow Intl London Stansted

€208Multiple Airlines

Thu, 10 Sep - Wed, 16 Sep

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KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets

KLM

3 Oct

ORK10:50Cork

22h 25m

1 stop

BHD09:15Belfast City

10 Oct

BHD17:30Belfast City

5h 05m

1 stop

ORK22:35Cork

€258

KLM

3 Oct

ORK06:15Cork

10h 40m

1 stop

BHD16:55Belfast City

9 Oct

BHD17:30Belfast City

16h 50m

1 stop

ORK10:20Cork

€259

KLM

22 Sept

DUB13:25Dublin

19h 55m

1 stop

BHD09:20Belfast City

29 Sept

BHD17:30Belfast City

14h 50m

1 stop

DUB08:20Dublin

€264

Aer Lingus flights from Ireland to Northern Ireland

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

Aer Lingus

15 Oct

DUB07:50Dublin

13h 00m

1 stop

BHD20:50Belfast City

23 Oct

BHD07:00Belfast City

5h 25m

1 stop

DUB12:25Dublin

€177

Aer Lingus

15 Oct

DUB06:30Dublin

7h 20m

1 stop

BHD13:50Belfast City

21 Oct

BHD07:00Belfast City

11h 35m

1 stop

DUB18:35Dublin

€179

Aer Lingus

15 Oct

DUB06:30Dublin

7h 20m

1 stop

BHD13:50Belfast City

21 Oct

BHD07:00Belfast City

11h 35m

1 stop

DUB18:35Dublin

€181

momondo Fare Finder

Use the filters below to find and compare flights from Ireland to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Thu 15/10

15:45-22:20

1 stop6h 35m

Belfast Intl

Wed 21/10

17:40-21:10

1 stop3h 30m

€83

CorkBelfast

ORK Cork - BFS Belfast Intl

ORKBFS

Cork

Thu 15/10

17:25-22:20

1 stop4h 55m

Belfast Intl

Wed 21/10

08:30-13:40

1 stop5h 10m

€84

CorkBelfast

ORK Cork - BFS Belfast Intl

ORKBFS

Cork

Tue 20/10

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 27/10

08:25-21:50

1 stop13h 25m

€84

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Thu 15/10

15:45-22:20

1 stop6h 35m

Belfast Intl

Wed 21/10

19:55-23:25

1 stop3h 30m

€84

CorkBelfast

ORK Cork - BFS Belfast Intl

ORKBFS

Cork

Thu 15/10

17:25-22:20

1 stop4h 55m

Belfast Intl

Wed 21/10

15:40-23:55

1 stop8h 15m

€85

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Thu 15/10

23:50-08:30

1 stop8h 40m

Belfast Intl

Wed 21/10

15:40-20:30

1 stop4h 50m

€85

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Thu 15/10

23:50-08:30

1 stop8h 40m

Belfast Intl

Wed 21/10

15:40-23:25

1 stop7h 45m

€86

ShannonBelfast

SNN Shannon - BFS Belfast Intl

SNNBFS

Shannon

Mon 19/10

06:20-12:20

1 stop6h 00m

Belfast Intl

Mon 26/10

17:30-08:10

1 stop14h 40m

€86

DublinLondonderry

DUB Dublin - LDY Londonderry Eglinton

DUBLDY

Dublin

Wed 30/9

06:30-15:35

1 stop9h 05m

Londonderry Eglinton

Wed 7/10

16:00-21:30

1 stop5h 30m

€87

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Fri 16/10

22:20-09:05

1 stop10h 45m

Belfast Intl

Fri 23/10

19:20-01:00

1 stop5h 40m

€87

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

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 Dublin (a popular airport in Ireland) to Belfast Intl Airport (the most popular airport in Northern Ireland), then the flight time is 3h 25m on average. If you fly from Cork (another popular airport in Ireland) to Belfast Intl Airport, then the average flight time is 4h 55m.

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

Best price found	€43
Fastest flight time	3h 25m
Direct flights	None

The best one-way flight to Northern Ireland from Ireland in the past 72 hours is €43. The best return flight deal from Ireland to Northern Ireland found on momondo in the last 72 hours is €83.

The fastest flight from Ireland to Northern Ireland takes 3h 25m

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

Search flight deals

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.