Cheap flights from Belfast Intl Airport to Dublin from €63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Dublin departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Belfast Intl Airport to Dublin

Cheap return flights

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07:25 - 14:35BFS-DUB
7h 10m1 stop
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21:35 - 09:00DUB-BFS
11h 25m1 stop
€115
Find Deal
Wed, 10 Sep - Wed, 17 Sep
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08:40 - 15:20BFS-DUB
6h 40m1 stop
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15:40 - 21:50DUB-BFS
6h 10m1 stop
€119
Find Deal
Mon, 8 Sep - Mon, 15 Sep
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08:10 - 18:40BFS-DUB
10h 30m1 stop
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15:40 - 21:50DUB-BFS
6h 10m1 stop
€120
Find Deal
Thu, 11 Sep - Mon, 15 Sep
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15:55 - 23:40BFS-DUB
7h 45m1 stop
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15:45 - 22:20DUB-BFS
6h 35m1 stop
€122
Find Deal
Thu, 11 Sep - Mon, 15 Sep
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20:05 - 00:15BFS-DUB
4h 10m1 stop
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21:10 - 10:00DUB-BFS
12h 50m1 stop
€125
Find Deal
Thu, 11 Sep - Thu, 18 Sep
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07:15 - 11:50BFS-DUB
4h 35m1 stop
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16:40 - 22:20DUB-BFS
5h 40m1 stop
€125
Find Deal
Mon, 8 Sep - Mon, 15 Sep
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07:40 - 16:05BFS-DUB
8h 25m1 stop
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20:00 - 09:20DUB-BFS
13h 20m1 stop
€133
Find Deal
Wed, 19 Nov - Wed, 19 Nov
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12:20 - 17:15BFS-DUB
4h 55m1 stop
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06:30 - 09:45DUB-BFS
3h 15m1 stop
€139
Find Deal
Thu, 11 Sep - Mon, 15 Sep
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19:15 - 08:05BFS-DUB
12h 50m1 stop
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06:30 - 11:55DUB-BFS
5h 25m1 stop
€147
Find Deal
Wed, 29 Oct - Sat, 1 Nov
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23:45 - 08:45BFS-DUB
9h 00m1 stop
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07:10 - 10:30DUB-BFS
3h 20m1 stop
€148
Find Deal
Mon, 25 Aug - Mon, 1 Sep

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport to Dublin 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 30 July 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/9

07:25-14:35

1 stop7h 10m

Dublin

Wed 17/9

21:35-09:00

1 stop11h 25m

€115

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 8/9

08:40-15:20

1 stop6h 40m

Dublin

Mon 15/9

15:40-21:50

1 stop6h 10m

€119

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/9

08:10-18:40

1 stop10h 30m

Dublin

Mon 15/9

15:40-21:50

1 stop6h 10m

€120

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/9

15:55-23:40

1 stop7h 45m

Dublin

Mon 15/9

15:45-22:20

1 stop6h 35m

€122

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/9

20:05-00:15

1 stop4h 10m

Dublin

Thu 18/9

21:10-10:00

1 stop12h 50m

€125

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 8/9

07:15-11:50

1 stop4h 35m

Dublin

Mon 15/9

16:40-22:20

1 stop5h 40m

€125

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 19/11

07:40-16:05

1 stop8h 25m

Dublin

Wed 19/11

20:00-09:20

1 stop13h 20m

€133

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/9

12:20-17:15

1 stop4h 55m

Dublin

Mon 15/9

06:30-09:45

1 stop3h 15m

€139

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 29/10

19:15-08:05

1 stop12h 50m

Dublin

Sat 1/11

06:30-11:55

1 stop5h 25m

€147

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 25/8

23:45-08:45

1 stop9h 00m

Dublin

Mon 1/9

07:10-10:30

1 stop3h 20m

€148

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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When to book flights from Belfast Intl Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to Dublin (BFS to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Dublin

Best price found

€63

Fastest flight time

4h 00m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Belfast Intl Airport in the past 72 hours is €63. The best return flight deal from Belfast Intl Airport to Dublin found on momondo in the last 72 hours is €115.
The fastest flight from Belfast Intl Airport to Dublin takes 4h 00m
There are no direct flights from Belfast Intl Airport to Dublin. Popular non-direct route for this connection is Belfast Intl Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)

  • How far is Belfast Intl to Dublin by plane?

    The distance between Belfast Intl and Dublin is about 145.9 km. In terms of flight time, this usually takes a little over 4h 00m.

  • When did momondo last update prices for flights from Belfast Intl Airport to Dublin Airport?

    Prices for flights from Belfast Intl Airport to Dublin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Belfast Intl Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


  • How do I get Price Alerts for flights from Belfast Intl Airport to Dublin?

    Confirm your travel details to search for the latest offers for flights from Belfast Intl Airport to Dublin. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Belfast Intl Airport to Dublin with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.


Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Enniscorthy
Cavan
Swords
Wicklow
Dundalk
Arklow
Tullamore
Kildare
Mullingar
Naas
Bray
Drogheda
Gorey
Malahide
Carlingford
Castleknock
Maynooth
Portmarnock

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from Belfast.

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

momondo does allow users to show only those flights to Dublin from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Dublin from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Belfast and alert you when they change.


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