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Cheap flights from Ireland to Belfast from £39

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 14/5. 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
07:35 - 18:55
ORK
-
BFS
11h 20m
1 stop
Multiple Airlines Logo
08:40 - 20:40
BFS
-
ORK
12h 00m
1 stop
£69Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
16:30 - 22:50
DUB
-
BFS
6h 20m
1 stop
Multiple Airlines Logo
22:20 - 07:50
BFS
-
DUB
9h 30m
1 stop
£73Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m
1 stop
Multiple Airlines Logo
07:55 - 13:25
BFS
-
DUB
5h 30m
1 stop
£77Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Multiple Airlines Logo
16:30 - 22:50
DUB
-
BFS
6h 20m
1 stop
Multiple Airlines Logo
07:50 - 12:50
BFS
-
DUB
5h 00m
1 stop
£78Multiple Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
Multiple Airlines Logo
07:40 - 16:05
BFS
-
DUB
8h 25m
1 stop
£79Multiple Airlines
Sun, 1 Mar - Wed, 4 Mar
Multiple Airlines Logo
21:35 - 08:20
SNN
-
BFS
10h 45m
1 stop
Multiple Airlines Logo
19:35 - 09:45
BFS
-
SNN
14h 10m
1 stop
£80Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
20:00 - 09:05
DUB
-
BFS
13h 05m
1 stop
Multiple Airlines Logo
09:15 - 18:55
BFS
-
DUB
9h 40m
1 stop
£80Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Multiple Airlines Logo
06:30 - 12:00
DUB
-
BFS
5h 30m
1 stop
Multiple Airlines Logo
07:40 - 16:05
BFS
-
DUB
8h 25m
1 stop
£80Multiple Airlines
Sun, 1 Mar - Wed, 4 Mar
Multiple Airlines Logo
18:45 - 08:50
DUB
-
BFS
14h 05m
1 stop
Multiple Airlines Logo
18:50 - 07:50
BFS
-
DUB
13h 00m
1 stop
£83Multiple Airlines
Sat, 28 Feb - Mon, 2 Mar
Multiple Airlines Logo
13:15 - 21:55
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
09:15 - 14:15
BFS
-
ORK
5h 00m
1 stop
£85Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar

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 279,928 searches. Data last updated 6 February 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

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 23/3

07:35-18:55

1 stop11h 20m

Belfast Intl

Mon 30/3

08:40-20:40

1 stop12h 00m

£69

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 5/3

16:30-22:50

1 stop6h 20m

Belfast Intl

Mon 9/3

22:20-07:50

1 stop9h 30m

£73

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 4/3

06:45-10:20

1 stop3h 35m

Belfast Intl

Wed 11/3

07:55-13:25

1 stop5h 30m

£77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 5/3

16:30-22:50

1 stop6h 20m

Belfast Intl

Mon 9/3

07:50-12:50

1 stop5h 00m

£78

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 1/3

06:30-12:00

1 stop5h 30m

Belfast Intl

Wed 4/3

07:40-16:05

1 stop8h 25m

£79

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Sun 22/3

21:35-08:20

1 stop10h 45m

Belfast Intl

Sun 29/3

19:35-09:45

1 stop14h 10m

£80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 23/3

20:00-09:05

1 stop13h 05m

Belfast Intl

Mon 30/3

09:15-18:55

1 stop9h 40m

£80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 1/3

06:30-12:00

1 stop5h 30m

Belfast Intl

Wed 4/3

07:40-16:05

1 stop8h 25m

£80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 28/2

18:45-08:50

1 stop14h 05m

Belfast Intl

Mon 2/3

18:50-07:50

1 stop13h 00m

£83

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 23/3

13:15-21:55

1 stop8h 40m

Belfast Intl

Mon 30/3

09:15-14:15

1 stop5h 00m

£85

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 25m

Direct flights

None
The fastest flight from Ireland to Belfast Intl Airport takes 4h 25m
There are no direct flights from Ireland to Belfast Intl Airport. There are no popular flight routes from Ireland to Belfast Intl Airport.
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  • 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 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 necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Belfast?

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

Why use momondo?

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

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 Belfast for you.

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

Yes. momondo enables you to select and highlight flights to Belfast from Ireland with this policy.

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

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Ireland to Belfast 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 Belfast Intl Airport trip

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