Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ireland to Belfast from £36

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 16/7. 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
1 adult, Economy, 0 bags
Voted winner of Europe's Best Travel App 2023

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
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
£72Multiple Airlines
Tue, 21 Jul - Tue, 28 Jul
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
£73Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
07:35 - 21:45
BFS
-
ORK
14h 10m
1 stop
£73Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
21:40 - 08:30
BFS
-
ORK
10h 50m
1 stop
£74Multiple Airlines
Tue, 14 Jul - Sat, 18 Jul
Multiple Airlines Logo
12:15 - 21:15
DUB
-
BFS
9h 00m
1 stop
Multiple Airlines Logo
06:55 - 14:05
BFS
-
DUB
7h 10m
1 stop
£75Multiple Airlines
Sat, 8 Aug - Sat, 15 Aug
Multiple Airlines Logo
14:40 - 21:30
DUB
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:25
BFS
-
DUB
7h 45m
1 stop
£76Multiple Airlines
Mon, 27 Jul - Wed, 5 Aug
Multiple Airlines Logo
08:30 - 15:20
SNN
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:35
BFS
-
SNN
7h 55m
1 stop
£77Multiple Airlines
Thu, 9 Jul - Wed, 15 Jul
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
£77Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
05:55 - 15:35
BFS
-
ORK
9h 40m
1 stop
£77Multiple Airlines
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
£77Multiple Airlines
Tue, 11 Aug - Tue, 18 Aug

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

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
17 Aug
DUB09:25Dublin
11h 25m
1 stop
BHD20:50Belfast City
24 Aug
BHD15:25Belfast City
5h 30m
1 stop
DUB20:55Dublin
£169
Aer Lingus
27 Jul
DUB11:00Dublin
6h 20m
1 stop
BHD17:20Belfast City
5 Aug
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
£186
Aer Lingus
17 Aug
DUB12:45Dublin
8h 20m
1 stop
BHD21:05Belfast City
24 Aug
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
£186

British Airways flights from Ireland to Belfast

Our best British Airways deals on Ireland to Belfast flight tickets
British Airways
29 Sept
DUB19:30Dublin
13h 30m
1 stop
BHD09:00Belfast City
3 Oct
BHD09:35Belfast City
9h 50m
1 stop
DUB19:25Dublin
£176
British Airways
27 Jul
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
5 Aug
BHD19:40Belfast City
12h 05m
1 stop
DUB07:45Dublin
£178
British Airways
27 Jul
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
4 Aug
BHD20:25Belfast City
11h 15m
1 stop
DUB07:40Dublin
£179

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast 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 28 June 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 21/7

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 28/7

07:35-16:25

1 stop8h 50m

£72

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

07:35-21:45

1 stop14h 10m

£73

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

07:35-21:45

1 stop14h 10m

£73

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 14/7

22:25-07:05

1 stop8h 40m

Belfast Intl

Sat 18/7

21:40-08:30

1 stop10h 50m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/8

12:15-21:15

1 stop9h 00m

Belfast Intl

Sat 15/8

06:55-14:05

1 stop7h 10m

£75
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/7

14:40-21:30

1 stop6h 50m

Belfast Intl

Wed 5/8

15:40-23:25

1 stop7h 45m

£76

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 9/7

08:30-15:20

1 stop6h 50m

Belfast Intl

Wed 15/7

15:40-23:35

1 stop7h 55m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 11/8

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 18/8

07:35-16:25

1 stop8h 50m

£76

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 4/8

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 11/8

05:55-15:35

1 stop9h 40m

£77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 11/8

20:30-08:05

1 stop11h 35m

Belfast Intl

Tue 18/8

07:35-19:55

1 stop12h 20m

£77

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

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?

Flight times from Ireland to Belfast vary, but if you’re flying out of Dublin and flying into Belfast Intl Airport (one of the most popular routes), then the duration is 3h 55m on average. Another popular route from Ireland to Belfast is flying from Milltown (Kerry) to Belfast Intl Airport, which will take roughly 5h 20m. Keep in mind that layovers or delays could extend your travel time.

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

3h 55m

Direct flights

None
The fastest flight from Ireland to Belfast takes 3h 55m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

Frequently asked questions about flying from Ireland to Belfast

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Ireland to Belfast?

    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.

  • What documentation or ID do you need to fly to Belfast?

    The necessary travel and health documents for your Belfast 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.

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?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Belfast 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 Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast 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
Tue 28/7
Tue 4/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport