Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Northern Ireland from €49

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 14/10. 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

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Northern Ireland

Recent return flight deals from Ireland to Northern Ireland

Multiple Airlines Logo
22:00 - 08:50SNN-BFS
10h 50m1 stop
Multiple Airlines Logo
14:30 - 21:35BFS-SNN
7h 05m1 stop
€111Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
08:30 - 16:10DUB-BFS
7h 40m1 stop
Multiple Airlines Logo
16:35 - 21:35BFS-DUB
5h 00m1 stop
€112Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
13:00 - 18:45DUB-BFS
5h 45m1 stop
Multiple Airlines Logo
07:25 - 16:05BFS-DUB
8h 40m1 stop
€113Multiple Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Ryanair Logo
16:55 - 22:00DUB-BFS
5h 05m1 stop
Ryanair Logo
12:45 - 16:30BFS-DUB
3h 45m1 stop
€141Ryanair
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Aer Lingus Logo
08:30 - 13:50DUB-BHD
5h 20m1 stop
Aer Lingus Logo
11:05 - 18:25BHD-DUB
7h 20m1 stop
€207Aer Lingus
Find Deal
Fri, 7 Nov - Sun, 9 Nov
KLM Logo
08:50 - 21:00DUB-BHD
12h 10m1 stop
KLM Logo
06:30 - 16:20BHD-DUB
9h 50m1 stop
€211KLM
Find Deal
Sat, 8 Nov - Sun, 9 Nov
British Airways Logo
17:55 - 08:15DUB-BHD
14h 20m1 stop
British Airways Logo
15:05 - 19:50BHD-DUB
4h 45m1 stop
€222British Airways
Find Deal
Sat, 8 Nov - Sat, 15 Nov
British Airways Logo
17:55 - 09:10DUB-BHD
15h 15m1 stop
British Airways Logo
15:05 - 19:50BHD-DUB
4h 45m1 stop
€223British Airways
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Aer Lingus Logo
07:10 - 17:20DUB-BHD
10h 10m1 stop
Aer Lingus Logo
06:55 - 16:40BHD-DUB
9h 45m1 stop
€270Aer Lingus
Find Deal
Sat, 8 Nov - Sat, 15 Nov
KLM Logo
11:10 - 21:15DUB-BHD
10h 05m1 stop
KLM Logo
06:30 - 12:35BHD-DUB
6h 05m1 stop
€271KLM
Find Deal
Fri, 3 Oct - Tue, 7 Oct

Aer Lingus flights from Ireland to Northern Ireland

Our best Aer Lingus deals on Ireland to Northern Ireland flight tickets
Aer Lingus
7 Nov
DUB08:30Dublin
5h 20m
1 stop
BHD13:50Belfast City
9 Nov
BHD11:05Belfast City
7h 20m
1 stop
DUB18:25Dublin
€207
Find similar
Aer Lingus
8 Nov
DUB07:10Dublin
10h 10m
1 stop
BHD17:20Belfast City
15 Nov
BHD06:55Belfast City
9h 45m
1 stop
DUB16:40Dublin
€270
Find similar
Aer Lingus
8 Nov
DUB11:30Dublin
5h 55m
1 stop
BHD17:25Belfast City
9 Nov
BHD09:50Belfast City
24h 35m
1 stop
DUB10:25Dublin
€288
Find similar

KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets
KLM
8 Nov
DUB08:50Dublin
12h 10m
1 stop
BHD21:00Belfast City
9 Nov
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
€211
Find similar
KLM
3 Oct
DUB11:10Dublin
10h 05m
1 stop
BHD21:15Belfast City
7 Oct
BHD06:30Belfast City
6h 05m
1 stop
DUB12:35Dublin
€271
Find similar
KLM
3 Nov
DUB08:50Dublin
12h 50m
2 stops
LDY21:40Londonderry Eglinton
10 Nov
LDY14:00Londonderry Eglinton
18h 05m
2 stops
DUB08:05Dublin
€328
Find similar

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 16 September 2025.
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

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Fri 31/10

22:00-08:50

1 stop10h 50m

Belfast Intl

Fri 7/11

14:30-21:35

1 stop7h 05m

€111

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 30/10

08:30-16:10

1 stop7h 40m

Belfast Intl

Thu 6/11

16:35-21:35

1 stop5h 00m

€112

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/10

13:00-18:45

1 stop5h 45m

Belfast Intl

Tue 21/10

07:25-16:05

1 stop8h 40m

€113

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

16:55-22:00

1 stop5h 05m

Belfast Intl

Sat 15/11

12:45-16:30

1 stop3h 45m

€141

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 7/11

08:30-13:50

1 stop5h 20m

Belfast City

Sun 9/11

11:05-18:25

1 stop7h 20m

€207

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

08:50-21:00

1 stop12h 10m

Belfast City

Sun 9/11

06:30-16:20

1 stop9h 50m

€211

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

17:55-08:15

1 stop14h 20m

Belfast City

Sat 15/11

15:05-19:50

1 stop4h 45m

€222

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

17:55-09:10

1 stop15h 15m

Belfast City

Sat 15/11

15:05-19:50

1 stop4h 45m

€223

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 8/11

07:10-17:20

1 stop10h 10m

Belfast City

Sat 15/11

06:55-16:40

1 stop9h 45m

€270

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 3/10

11:10-21:15

1 stop10h 05m

Belfast City

Tue 7/10

06:30-12:35

1 stop6h 05m

€271

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?

Aer Lingus, KLM, and British Airways 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

Direct flights

None
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 €258Free CancellationRating
6.7
7,363 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.

An easier way to manage your Northern Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 16/10
Thu 23/10
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to Londonfrom €32
Flights to Manchesterfrom €37
Flights to Edinburghfrom €32
Flights to Belfastfrom €114
Flights to Birminghamfrom €32
Flights to Glasgowfrom €34
Flights to Liverpoolfrom €37
Flights to Bristolfrom €38
Flights to Newcastle upon Tynefrom €46
Flights to Leedsfrom €37
Flights to Aberdeenfrom €91
Flights to Exeterfrom €104