Cheap flights from Ireland to Belfast from £62
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Ireland to Belfast
Cheapest flights from Ireland to BelfastExplore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 October 2025.
Explore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 October 2025.
Cheap flight deals from Ireland to Belfast
Keep the following information in mind while searching for Ireland to Belfast flight deals. Data was last updated 23 October 2025.
Cheapflights Fare Finder
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
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Thu 13/11
21:30-07:25
1 stop9h 55m
Belfast Intl
Wed 19/11
06:00-20:05
1 stop14h 05m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Tue 18/11
19:20-08:20
1 stop13h 00m
Belfast Intl
Tue 25/11
18:25-23:05
1 stop4h 40m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Sat 6/12
18:55-08:25
1 stop13h 30m
Belfast Intl
Fri 12/12
21:05-07:15
1 stop10h 10m
CorkBelfast
ORK - BFS
ORKBFS
Cork
Sat 6/12
22:40-06:45
1 stop8h 05m
Belfast Intl
Fri 12/12
18:00-07:00
1 stop13h 00m
CorkBelfast
ORK - BFS
ORKBFS
Cork
Sat 8/11
20:00-08:50
1 stop12h 50m
Belfast Intl
Wed 12/11
07:40-21:40
1 stop14h 00m
DublinBelfast
DUB - BHD
DUBBHD
Dublin
Wed 19/11
06:20-17:15
1 stop10h 55m
Belfast City
Wed 26/11
17:45-21:45
1 stop4h 00m
CorkBelfast
ORK - BFS
ORKBFS
Cork
Fri 5/12
22:20-11:55
1 stop13h 35m
Belfast Intl
Fri 12/12
18:00-21:55
1 stop3h 55m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Sat 22/11
18:45-22:45
1 stop4h 00m
Belfast Intl
Sat 29/11
23:10-07:50
1 stop8h 40m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Tue 10/2
12:25-19:05
1 stop6h 40m
Belfast Intl
Mon 9/3
19:20-08:35
1 stop13h 15m
DublinBelfast
DUB - BFS
DUBBFS
Dublin
Sat 6/12
06:50-15:10
1 stop8h 20m
Belfast Intl
Sat 13/12
17:40-22:55
1 stop5h 15m
Best time to book a flight from Ireland to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Belfast
What is the cheapest time of day to fly from IE to BFS?
Find hourly flight availability from Ireland to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 October 2025.
One of the essential ways to save on airfare from Ireland to Belfast is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.
Related info for your journey
Find useful and relevant information for your journey from Ireland to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ireland to Belfast
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Ireland to Belfast?
Cheapflights helps you search for flights from Ireland to Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Ireland to Belfast?
Cheapflights simply makes it quick and affordable to book flights from Ireland to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ireland to Belfast with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Belfast flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Ireland to Belfast become cheaper?
Of course! You can now track prices for flights from Ireland to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.