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Cheap flights from Ireland to Belfast 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 Belfast departing on 9/12. 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
08:30 - 21:05DUB-BFS
12h 35m1 stop
Multiple Airlines Logo
18:00 - 23:05BFS-DUB
5h 05m1 stop
€90Multiple Airlines
Find Deal
Fri, 9 Jan - Fri, 16 Jan
Multiple Airlines Logo
13:40 - 22:40ORK-BFS
9h 00m1 stop
Multiple Airlines Logo
23:05 - 07:10BFS-ORK
8h 05m1 stop
€92Multiple Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Multiple Airlines Logo
19:25 - 06:45DUB-BFS
11h 20m1 stop
Multiple Airlines Logo
13:10 - 17:55BFS-DUB
4h 45m1 stop
€92Multiple Airlines
Find Deal
Sat, 10 Jan - Sat, 17 Jan
Multiple Airlines Logo
17:00 - 22:45DUB-BFS
5h 45m1 stop
Multiple Airlines Logo
23:10 - 07:50BFS-DUB
8h 40m1 stop
€93Multiple Airlines
Find Deal
Sat, 10 Jan - Sat, 17 Jan
Multiple Airlines Logo
22:15 - 07:35ORK-BFS
9h 20m1 stop
Multiple Airlines Logo
22:45 - 07:25BFS-ORK
8h 40m1 stop
€95Multiple Airlines
Find Deal
Mon, 5 Jan - Sun, 11 Jan
Multiple Airlines Logo
06:45 - 10:30DUB-BFS
3h 45m1 stop
Multiple Airlines Logo
18:00 - 07:50BFS-DUB
13h 50m1 stop
€96Multiple Airlines
Find Deal
Fri, 9 Jan - Fri, 16 Jan
Multiple Airlines Logo
22:15 - 07:35ORK-BFS
9h 20m1 stop
Multiple Airlines Logo
08:50 - 20:35BFS-ORK
11h 45m1 stop
€98Multiple Airlines
Find Deal
Mon, 5 Jan - Mon, 12 Jan
Multiple Airlines Logo
06:55 - 13:30DUB-BFS
6h 35m1 stop
Multiple Airlines Logo
10:45 - 16:05BFS-DUB
5h 20m1 stop
€98Multiple Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Multiple Airlines Logo
22:40 - 06:45ORK-BFS
8h 05m1 stop
Multiple Airlines Logo
22:25 - 07:00BFS-ORK
8h 35m1 stop
€99Multiple Airlines
Find Deal
Sat, 10 Jan - Sat, 17 Jan
Multiple Airlines Logo
21:10 - 09:20DUB-BFS
12h 10m1 stop
Multiple Airlines Logo
21:25 - 07:50BFS-DUB
10h 25m1 stop
€99Multiple Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan

Ryanair flights from Ireland to Belfast Intl Airport

Our best Ryanair deals on Ireland to Belfast Intl Airport flight tickets
Ryanair
23 Dec
DUB09:00Dublin
24h 15m
2 stops
BFS09:15Belfast Intl
30 Dec
BFS16:35Belfast Intl
16h 50m
1 stop
DUB09:25Dublin
€180
Find similar
Ryanair
23 Dec
DUB09:00Dublin
24h 15m
2 stops
BFS09:15Belfast Intl
30 Dec
BFS16:35Belfast Intl
27h 20m
2 stops
DUB19:55Dublin
€188
Find similar

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 27 November 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

Fri 9/1

08:30-21:05

1 stop12h 35m

Belfast Intl

Fri 16/1

18:00-23:05

1 stop5h 05m

€90

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sun 11/1

13:40-22:40

1 stop9h 00m

Belfast Intl

Sun 18/1

23:05-07:10

1 stop8h 05m

€92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 10/1

19:25-06:45

1 stop11h 20m

Belfast Intl

Sat 17/1

13:10-17:55

1 stop4h 45m

€92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 10/1

17:00-22:45

1 stop5h 45m

Belfast Intl

Sat 17/1

23:10-07:50

1 stop8h 40m

€93

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 5/1

22:15-07:35

1 stop9h 20m

Belfast Intl

Sun 11/1

22:45-07:25

1 stop8h 40m

€95

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 9/1

06:45-10:30

1 stop3h 45m

Belfast Intl

Fri 16/1

18:00-07:50

1 stop13h 50m

€96

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 5/1

22:15-07:35

1 stop9h 20m

Belfast Intl

Mon 12/1

08:50-20:35

1 stop11h 45m

€98

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 11/1

06:55-13:30

1 stop6h 35m

Belfast Intl

Sun 18/1

10:45-16:05

1 stop5h 20m

€98

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 10/1

22:40-06:45

1 stop8h 05m

Belfast Intl

Sat 17/1

22:25-07:00

1 stop8h 35m

€99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 15/1

21:10-09:20

1 stop12h 10m

Belfast Intl

Thu 22/1

21:25-07:50

1 stop10h 25m

€99

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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

How long does it take to fly to Belfast Intl Airport?

If you’re flying from a popular airport in Ireland, such as Shannon or Dublin, and flying into Belfast Intl Airport, then you can expect flight times to average 5h 15m and 7h 05m, respectively.

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

Fastest flight time

5h 35m

Direct flights

None
The fastest flight from Ireland to Belfast Intl Airport takes 5h 35m
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 €262Free CancellationRating
6.7
7,541 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.
Start using Trips
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