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Cheap flights from Belfast Intl Airport to Dublin from €71

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 20/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Belfast Intl Airport to Dublin

Cheap return flights

Multiple Airlines Logo
06:15 - 17:50BFS-DUB
11h 35m1 stop
Multiple Airlines Logo
21:50 - 07:25DUB-BFS
9h 35m1 stop
€106Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 27 Nov
Multiple Airlines Logo
17:05 - 00:30BFS-DUB
7h 25m1 stop
Multiple Airlines Logo
10:55 - 01:15DUB-BFS
14h 20m1 stop
€116Multiple Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct
Multiple Airlines Logo
08:20 - 12:20BFS-DUB
4h 00m1 stop
Multiple Airlines Logo
09:20 - 14:35DUB-BFS
5h 15m1 stop
€117Multiple Airlines
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Tue, 7 Oct - Tue, 14 Oct
Multiple Airlines Logo
12:50 - 18:20BFS-DUB
5h 30m1 stop
Multiple Airlines Logo
06:45 - 10:20DUB-BFS
3h 35m1 stop
€118Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Multiple Airlines Logo
12:50 - 18:20BFS-DUB
5h 30m1 stop
Multiple Airlines Logo
08:30 - 15:15DUB-BFS
6h 45m1 stop
€119Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Multiple Airlines Logo
16:20 - 00:40BFS-DUB
8h 20m1 stop
Multiple Airlines Logo
06:30 - 10:30DUB-BFS
4h 00m1 stop
€122Multiple Airlines
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Ryanair Logo
19:45 - 07:50BFS-DUB
12h 05m1 stop
Ryanair Logo
22:55 - 08:50DUB-BFS
9h 55m1 stop
€129Ryanair
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Thu, 6 Nov - Mon, 10 Nov
Multiple Airlines Logo
22:40 - 08:55BFS-DUB
10h 15m1 stop
Multiple Airlines Logo
06:20 - 11:00DUB-BFS
4h 40m1 stop
€136Multiple Airlines
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Sun, 12 Oct - Sun, 19 Oct
Multiple Airlines Logo
22:20 - 09:10BFS-DUB
10h 50m1 stop
Multiple Airlines Logo
06:30 - 09:40DUB-BFS
3h 10m1 stop
€138Multiple Airlines
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Mon, 29 Sep - Wed, 1 Oct
Multiple Airlines Logo
21:25 - 07:50BFS-DUB
10h 25m1 stop
Multiple Airlines Logo
12:25 - 16:10DUB-BFS
3h 45m1 stop
€139Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov

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 16 September 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

Thu 27/11

06:15-17:50

1 stop11h 35m

Dublin

Thu 27/11

21:50-07:25

1 stop9h 35m

€106

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/10

17:05-00:30

1 stop7h 25m

Dublin

Wed 8/10

10:55-01:15

1 stop14h 20m

€116

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 7/10

08:20-12:20

1 stop4h 00m

Dublin

Tue 14/10

09:20-14:35

1 stop5h 15m

€117

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 29/10

12:50-18:20

1 stop5h 30m

Dublin

Wed 5/11

06:45-10:20

1 stop3h 35m

€118

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 29/10

12:50-18:20

1 stop5h 30m

Dublin

Wed 5/11

08:30-15:15

1 stop6h 45m

€119

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 13/10

16:20-00:40

1 stop8h 20m

Dublin

Mon 20/10

06:30-10:30

1 stop4h 00m

€122

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 6/11

19:45-07:50

1 stop12h 05m

Dublin

Mon 10/11

22:55-08:50

1 stop9h 55m

€129

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 12/10

22:40-08:55

1 stop10h 15m

Dublin

Sun 19/10

06:20-11:00

1 stop4h 40m

€136

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 29/9

22:20-09:10

1 stop10h 50m

Dublin

Wed 1/10

06:30-09:40

1 stop3h 10m

€138

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 30/10

21:25-07:50

1 stop10h 25m

Dublin

Thu 6/11

12:25-16:10

1 stop3h 45m

€139

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

Direct flights

None
There are no direct flights from Belfast Intl Airport to Dublin. There are no popular flight routes from Belfast Intl Airport to Dublin.
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  • 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
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

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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