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Cheap flights from Ireland to Northern Ireland from €55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Northern Ireland departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Northern Ireland

Recent return flight deals from Ireland to Northern Ireland

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
Multiple Airlines Logo
05:45 - 11:35
BFS
-
DUB
5h 50m
1 stop
€88Multiple Airlines
Sun, 22 Feb - Sun, 1 Mar
Multiple Airlines Logo
14:20 - 18:50
SNN
-
BFS
4h 30m
1 stop
Multiple Airlines Logo
07:40 - 13:55
BFS
-
SNN
6h 15m
1 stop
€92Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
13:00 - 18:50
DUB
-
BFS
5h 50m
1 stop
Multiple Airlines Logo
07:40 - 20:05
BFS
-
DUB
12h 25m
1 stop
€92Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
14:20 - 18:50
SNN
-
BFS
4h 30m
1 stop
Multiple Airlines Logo
07:40 - 13:55
BFS
-
SNN
6h 15m
1 stop
€94Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
08:30 - 18:50
DUB
-
BFS
10h 20m
1 stop
Multiple Airlines Logo
07:40 - 20:05
BFS
-
DUB
12h 25m
1 stop
€94Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
07:45 - 18:50
ORK
-
BFS
11h 05m
1 stop
Multiple Airlines Logo
07:50 - 16:30
BFS
-
ORK
8h 40m
1 stop
€96Multiple Airlines
Wed, 11 Mar - Fri, 13 Mar
Multiple Airlines Logo
06:50 - 15:10
DUB
-
BFS
8h 20m
1 stop
Multiple Airlines Logo
12:45 - 21:50
BFS
-
DUB
9h 05m
1 stop
€96Multiple Airlines
Sat, 21 Mar - Sat, 28 Mar
Multiple Airlines Logo
10:05 - 16:10
DUB
-
BFS
6h 05m
1 stop
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m
1 stop
€97Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
British Airways Logo
20:40 - 10:15
DUB
-
LDY
13h 35m
1 stop
British Airways Logo
09:05 - 07:55
LDY
-
DUB
22h 50m
1 stop
€320British Airways
Mon, 2 Mar - Sun, 8 Mar
British Airways Logo
20:40 - 17:35
DUB
-
LDY
20h 55m
1 stop
British Airways Logo
09:05 - 07:55
LDY
-
DUB
22h 50m
1 stop
€322British Airways
Mon, 2 Mar - Sun, 8 Mar

British Airways flights from Ireland to Northern Ireland

Our best British Airways deals on Ireland to Northern Ireland flight tickets
British Airways
8 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
9 Jun
BHD19:30Belfast City
14h 10m
1 stop
DUB09:40Dublin
€254
British Airways
13 Feb
DUB18:15Dublin
14h 10m
1 stop
BHD08:25Belfast City
16 Feb
BHD06:35Belfast City
10h 15m
1 stop
DUB16:50Dublin
€281
British Airways
13 Feb
DUB20:35Dublin
11h 50m
1 stop
BHD08:25Belfast City
16 Feb
BHD06:35Belfast City
10h 15m
1 stop
DUB16:50Dublin
€281

KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets
KLM
21 Feb
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
23 Feb
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
€199
KLM
21 Feb
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
23 Feb
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
€199
KLM
12 Mar
ORK15:40Cork
29h 20m
2 stops
BHD21:00Belfast City
19 Mar
BHD17:20Belfast City
21h 25m
2 stops
ORK14:45Cork
€310

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Northern Ireland 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, momondo users made 13,528 searches. Data last updated 26 January 2026.
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

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 22/2

06:30-12:00

1 stop5h 30m

Belfast Intl

Sun 1/3

05:45-11:35

1 stop5h 50m

€88

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 11/3

14:20-18:50

1 stop4h 30m

Belfast Intl

Wed 18/3

07:40-13:55

1 stop6h 15m

€92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 11/3

13:00-18:50

1 stop5h 50m

Belfast Intl

Wed 18/3

07:40-20:05

1 stop12h 25m

€92

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Wed 11/3

14:20-18:50

1 stop4h 30m

Belfast Intl

Wed 18/3

07:40-13:55

1 stop6h 15m

€94

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 11/3

08:30-18:50

1 stop10h 20m

Belfast Intl

Wed 18/3

07:40-20:05

1 stop12h 25m

€94

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 11/3

07:45-18:50

1 stop11h 05m

Belfast Intl

Fri 13/3

07:50-16:30

1 stop8h 40m

€96

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 21/3

06:50-15:10

1 stop8h 20m

Belfast Intl

Sat 28/3

12:45-21:50

1 stop9h 05m

€96

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 12/3

10:05-16:10

1 stop6h 05m

Belfast Intl

Thu 19/3

16:35-21:35

1 stop5h 00m

€97

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 2/3

20:40-10:15

1 stop13h 35m

Londonderry Eglinton

Sun 8/3

09:05-07:55

1 stop22h 50m

€320

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 2/3

20:40-17:35

1 stop20h 55m

Londonderry Eglinton

Sun 8/3

09:05-07:55

1 stop22h 50m

€322

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Northern Ireland from

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

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

Ryanair and Aer Lingus are the most popular carriers 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 20m

Direct flights

None
The fastest flight from Ireland to Northern Ireland takes 3h 20m
There are no direct flights from Ireland to Northern Ireland. There are no popular flight routes from Ireland to Northern Ireland.
Search flight deals

  • 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 many operators does momondo search for flights from Ireland to Northern Ireland?

  • 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.

Best airlines flying from Ireland to Northern Ireland

Compare and see reviews for airlines that fly from Ireland to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €256Free CancellationRating
6.7
7,700 reviews
Search British Airways flights

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.

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Find better results for your trip to Northern Ireland

Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
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