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Cheap flights from Ireland to Belfast from €52

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 Belfast departing on 8/11. 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 Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:35 - 18:55DUB-BFS
10h 20m1 stop
Multiple Airlines Logo
07:50 - 14:55BFS-DUB
7h 05m1 stop
€109Multiple Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Multiple Airlines Logo
15:10 - 22:35DUB-BFS
7h 25m1 stop
Multiple Airlines Logo
10:35 - 17:20BFS-DUB
6h 45m1 stop
€115Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
22:00 - 11:55DUB-BFS
13h 55m1 stop
Multiple Airlines Logo
05:45 - 09:50BFS-DUB
4h 05m1 stop
€116Multiple Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Multiple Airlines Logo
21:00 - 08:20ORK-BFS
11h 20m1 stop
Multiple Airlines Logo
06:40 - 20:35BFS-ORK
13h 55m1 stop
€118Multiple Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Multiple Airlines Logo
15:30 - 22:00DUB-BFS
6h 30m1 stop
Multiple Airlines Logo
12:45 - 16:30BFS-DUB
3h 45m1 stop
€123Multiple Airlines
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Multiple Airlines Logo
09:00 - 15:10DUB-BFS
6h 10m1 stop
Multiple Airlines Logo
12:45 - 16:30BFS-DUB
3h 45m1 stop
€124Multiple Airlines
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Multiple Airlines Logo
08:30 - 20:25DUB-BFS
11h 55m1 stop
Multiple Airlines Logo
12:45 - 16:30BFS-DUB
3h 45m1 stop
€126Multiple Airlines
Find Deal
Fri, 7 Nov - Sat, 15 Nov
Multiple Airlines Logo
10:45 - 18:20KIR-BFS
7h 35m1 stop
Multiple Airlines Logo
21:00 - 10:30BFS-KIR
13h 30m1 stop
€127Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
06:30 - 10:10DUB-BFS
3h 40m1 stop
Multiple Airlines Logo
22:05 - 09:00BFS-DUB
10h 55m1 stop
€133Multiple Airlines
Find Deal
Sun, 9 Nov - Sun, 16 Nov
Multiple Airlines Logo
18:50 - 08:10ORK-BFS
13h 20m1 stop
Multiple Airlines Logo
07:20 - 18:25BFS-ORK
11h 05m1 stop
€135Multiple Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast Intl Airport 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 13 October 2025.
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

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 10/11

08:35-18:55

1 stop10h 20m

Belfast Intl

Mon 17/11

07:50-14:55

1 stop7h 05m

€109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 25/11

15:10-22:35

1 stop7h 25m

Belfast Intl

Tue 2/12

10:35-17:20

1 stop6h 45m

€115

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 21/11

22:00-11:55

1 stop13h 55m

Belfast Intl

Sun 23/11

05:45-09:50

1 stop4h 05m

€116

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 10/11

21:00-08:20

1 stop11h 20m

Belfast Intl

Mon 17/11

06:40-20:35

1 stop13h 55m

€118

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

15:30-22:00

1 stop6h 30m

Belfast Intl

Sat 15/11

12:45-16:30

1 stop3h 45m

€123

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

09:00-15:10

1 stop6h 10m

Belfast Intl

Sat 15/11

12:45-16:30

1 stop3h 45m

€124

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 7/11

08:30-20:25

1 stop11h 55m

Belfast Intl

Sat 15/11

12:45-16:30

1 stop3h 45m

€126

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry) Kerry

Thu 27/11

10:45-18:20

1 stop7h 35m

Belfast Intl

Thu 4/12

21:00-10:30

1 stop13h 30m

€127

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 9/11

06:30-10:10

1 stop3h 40m

Belfast Intl

Sun 16/11

22:05-09:00

1 stop10h 55m

€132

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 22/11

18:50-08:10

1 stop13h 20m

Belfast Intl

Sat 29/11

07:20-18:25

1 stop11h 05m

€135

Flights are sorted by cheapest return flights first.

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

See travel insights to Belfast from

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

What is the cheapest airline that flies from Ireland to Belfast Intl?

Ryanair is the most popular carrier operating from Ireland to Belfast Intl

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

Direct flights

None
There are no direct flights from Ireland to Belfast Intl Airport. There are no popular flight routes from Ireland to 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 many operators does momondo search for flights from Ireland to Belfast Intl Airport?

  • 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 required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Belfast Intl Airport

Compare and see reviews for airlines that fly from Ireland to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €261Free CancellationRating
6.7
7,449 reviews
Search British Airways flights

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Ballymena

Why use momondo?

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

Finding the right flight to Belfast from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Ireland.

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

Of course. momondo tracks the price of Ireland to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast Intl Airport 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.
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