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Cheap flights from Belfast Intl Airport to Dublin from £47

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 8/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:00 - 23:05
BFS
-
DUB
5h 05m1 stop
Multiple Airlines Logo
17:00 - 21:05
DUB
-
BFS
4h 05m1 stop
£83Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m1 stop
Multiple Airlines Logo
15:00 - 18:55
DUB
-
BFS
3h 55m1 stop
£85Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
Multiple Airlines Logo
14:50 - 21:05
BFS
-
DUB
6h 15m1 stop
Multiple Airlines Logo
20:50 - 07:25
DUB
-
BFS
10h 35m1 stop
£88Multiple Airlines
Thu, 22 Jan - Sun, 25 Jan
Multiple Airlines Logo
23:10 - 13:20
BFS
-
DUB
14h 10m1 stop
Multiple Airlines Logo
06:30 - 11:55
DUB
-
BFS
5h 25m1 stop
£100Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
08:00 - 12:50
BFS
-
DUB
4h 50m1 stop
Multiple Airlines Logo
05:55 - 09:00
DUB
-
BFS
3h 05m1 stop
£107Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
10:10 - 17:45
BFS
-
DUB
7h 35m2 stops
Multiple Airlines Logo
14:00 - 22:20
DUB
-
BFS
8h 20m1 stop
£381Multiple Airlines
Thu, 22 Jan - Sun, 25 Jan
Multiple Airlines Logo
05:55 - 16:10
BFS
-
DUB
10h 15m1 stop
Multiple Airlines Logo
10:50 - 19:25
DUB
-
BFS
8h 35m2 stops
£888Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
05:55 - 16:10
BFS
-
DUB
10h 15m1 stop
Multiple Airlines Logo
10:50 - 19:25
DUB
-
BFS
8h 35m2 stops
£895Multiple Airlines
Sat, 31 Jan - Sat, 7 Feb

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 279,928 searches. Data last updated 18 December 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

Fri 30/1

18:00-23:05

1 stop5h 05m

Dublin

Fri 6/2

17:00-21:05

1 stop4h 05m

£83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

16:35-21:35

1 stop5h 00m

Dublin

Mon 26/1

15:00-18:55

1 stop3h 55m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

14:50-21:05

1 stop6h 15m

Dublin

Sun 25/1

20:50-07:25

1 stop10h 35m

£88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

23:10-13:20

1 stop14h 10m

Dublin

Sat 7/2

06:30-11:55

1 stop5h 25m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

08:00-12:50

1 stop4h 50m

Dublin

Sat 7/2

05:55-09:00

1 stop3h 05m

£107

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

10:10-17:45

2 stops7h 35m

Dublin

Sun 25/1

14:00-22:20

1 stop8h 20m

£381

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

05:55-16:10

1 stop10h 15m

Dublin

Sat 7/2

10:50-19:25

2 stops8h 35m

£888

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 31/1

05:55-16:10

1 stop10h 15m

Dublin

Sat 7/2

10:50-19:25

2 stops8h 35m

£895

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 8/2

06:00-11:30

1 stop5h 30m

£47

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 16/3

10:30-23:25

1 stop12h 55m

£67

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Belfast Intl Airport to Dublin

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 time of day to depart on your flight to Dublin?

Flying to Dublin from Belfast Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £137 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £157 on average. Flights to Dublin from Belfast Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from Belfast Intl Airport to Dublin takes 4h 50m
There are no direct flights from Belfast Intl Airport to Dublin. There are no popular flight routes from Belfast Intl Airport to Dublin.
Search flight deals

  • How far is Belfast Intl to Dublin by plane?

    Belfast Intl and Dublin are 90.7 mi apart from one another. By plane, this route typically takes 4h 50m.

  • 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 were last updated today.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Dublin?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Dublin. momondo saves you time and could save you money on your trip.

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

All flight searches from Belfast to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Belfast to Dublin 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 Belfast to Dublin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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