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Cheap flights from Ireland to Belfast from €44

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 14/4. 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
16:15 - 23:20
DUB
-
BFS
7h 05m
1 stop
Multiple Airlines Logo
20:15 - 00:05
BFS
-
DUB
3h 50m
1 stop
€83Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
06:55 - 15:20
DUB
-
BFS
8h 25m
1 stop
Multiple Airlines Logo
12:45 - 20:10
BFS
-
DUB
7h 25m
1 stop
€84Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Ryanair Logo
17:35 - 22:20
KIR
-
BFS
4h 45m
1 stop
Ryanair Logo
12:45 - 17:10
BFS
-
KIR
4h 25m
1 stop
€85Ryanair
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
15:20 - 19:50
ORK
-
BFS
4h 30m
1 stop
Multiple Airlines Logo
05:55 - 14:55
BFS
-
ORK
9h 00m
1 stop
€85Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
14:35 - 21:30
ORK
-
BFS
6h 55m
1 stop
Multiple Airlines Logo
22:45 - 08:20
BFS
-
ORK
9h 35m
1 stop
€86Multiple Airlines
Mon, 13 Apr - Thu, 16 Apr
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
Multiple Airlines Logo
05:55 - 12:30
BFS
-
DUB
6h 35m
1 stop
€86Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
23:30 - 10:25
BFS
-
DUB
10h 55m
1 stop
€87Multiple Airlines
Mon, 20 Apr - Tue, 28 Apr
Multiple Airlines Logo
19:25 - 08:35
DUB
-
BFS
13h 10m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€89Multiple Airlines
Sat, 28 Mar - Sat, 4 Apr
Multiple Airlines Logo
17:15 - 23:20
ORK
-
BFS
6h 05m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€89Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
14:55 - 19:30
DUB
-
BFS
4h 35m
1 stop
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
€89Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr

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 4 March 2026.
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

Wed 15/4

16:15-23:20

1 stop7h 05m

Belfast Intl

Wed 22/4

20:15-00:05

1 stop3h 50m

€83

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 13/4

06:55-15:20

1 stop8h 25m

Belfast Intl

Mon 20/4

12:45-20:10

1 stop7h 25m

€84

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Thu 16/4

17:35-22:20

1 stop4h 45m

Belfast Intl

Thu 23/4

12:45-17:10

1 stop4h 25m

€85

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 15/4

15:20-19:50

1 stop4h 30m

Belfast Intl

Wed 22/4

05:55-14:55

1 stop9h 00m

€85

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 13/4

14:35-21:30

1 stop6h 55m

Belfast Intl

Thu 16/4

22:45-08:20

1 stop9h 35m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/4

20:30-08:05

1 stop11h 35m

Belfast Intl

Tue 21/4

05:55-12:30

1 stop6h 35m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 20/4

21:10-10:00

1 stop12h 50m

Belfast Intl

Tue 28/4

23:30-10:25

1 stop10h 55m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 28/3

19:25-08:35

1 stop13h 10m

Belfast Intl

Sat 4/4

21:40-09:10

1 stop11h 30m

€89

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 15/4

17:15-23:20

1 stop6h 05m

Belfast Intl

Wed 22/4

15:40-23:55

1 stop8h 15m

€89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 17/4

14:55-19:30

1 stop4h 35m

Belfast Intl

Fri 24/4

19:20-01:00

1 stop5h 40m

€89

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

Fastest flight time

4h 05m

Direct flights

None
The fastest flight from Ireland to Belfast Intl Airport takes 4h 05m
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
7,774 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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