Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Belfast Intl Airport to Dublin from £55

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 17/11. 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
Voted winner of Europe's Best Travel App 2023

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

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
08:25 - 21:10BFS-DUB
12h 45m1 stop
Multiple Airlines Logo
22:10 - 07:55DUB-BFS
9h 45m1 stop
£99Multiple Airlines
Find Deal
Sat, 6 Dec - Mon, 8 Dec
Multiple Airlines Logo
07:05 - 15:25BFS-DUB
8h 20m1 stop
Multiple Airlines Logo
14:15 - 19:20DUB-BFS
5h 05m1 stop
£105Multiple Airlines
Find Deal
Thu, 11 Dec - Thu, 18 Dec
Multiple Airlines Logo
23:05 - 07:55BFS-DUB
8h 50m1 stop
Multiple Airlines Logo
20:50 - 08:00DUB-BFS
11h 10m1 stop
£107Multiple Airlines
Find Deal
Sun, 14 Dec - Sun, 21 Dec
Multiple Airlines Logo
21:00 - 07:05BFS-DUB
10h 05m1 stop
Multiple Airlines Logo
21:50 - 07:25DUB-BFS
9h 35m1 stop
£109Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
23:05 - 07:55BFS-DUB
8h 50m1 stop
Multiple Airlines Logo
20:50 - 07:25DUB-BFS
10h 35m1 stop
£109Multiple Airlines
Find Deal
Sun, 14 Dec - Sun, 21 Dec
Multiple Airlines Logo
07:50 - 14:50BFS-DUB
7h 00m1 stop
Multiple Airlines Logo
11:40 - 14:45DUB-BFS
3h 05m1 stop
£112Multiple Airlines
Find Deal
Mon, 10 Nov - Wed, 12 Nov
Multiple Airlines Logo
18:00 - 23:25BFS-DUB
5h 25m1 stop
Multiple Airlines Logo
21:15 - 06:50DUB-BFS
9h 35m1 stop
£112Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Multiple Airlines Logo
08:30 - 17:25BFS-DUB
8h 55m1 stop
Multiple Airlines Logo
18:25 - 07:40DUB-BFS
13h 15m1 stop
£113Multiple Airlines
Find Deal
Mon, 10 Nov - Tue, 11 Nov
Multiple Airlines Logo
07:00 - 18:25BFS-DUB
11h 25m1 stop
Multiple Airlines Logo
22:00 - 11:55DUB-BFS
13h 55m1 stop
£115Multiple Airlines
Find Deal
Wed, 3 Dec - Fri, 5 Dec
Multiple Airlines Logo
23:10 - 09:50BFS-DUB
10h 40m1 stop
Multiple Airlines Logo
19:25 - 06:45DUB-BFS
11h 20m1 stop
£119Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec

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 31 October 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

Sat 6/12

08:25-21:10

1 stop12h 45m

Dublin

Mon 8/12

22:10-07:55

1 stop9h 45m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 11/12

07:05-15:25

1 stop8h 20m

Dublin

Thu 18/12

14:15-19:20

1 stop5h 05m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 14/12

23:05-07:55

1 stop8h 50m

Dublin

Sun 21/12

20:50-08:00

1 stop11h 10m

£107

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 27/11

21:00-07:05

1 stop10h 05m

Dublin

Thu 4/12

21:50-07:25

1 stop9h 35m

£109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 14/12

23:05-07:55

1 stop8h 50m

Dublin

Sun 21/12

20:50-07:25

1 stop10h 35m

£109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 10/11

07:50-14:50

1 stop7h 00m

Dublin

Wed 12/11

11:40-14:45

1 stop3h 05m

£112

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 5/12

18:00-23:25

1 stop5h 25m

Dublin

Sun 7/12

21:15-06:50

1 stop9h 35m

£112

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 10/11

08:30-17:25

1 stop8h 55m

Dublin

Tue 11/11

18:25-07:40

1 stop13h 15m

£113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 3/12

07:00-18:25

1 stop11h 25m

Dublin

Fri 5/12

22:00-11:55

1 stop13h 55m

£115

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 13/12

23:10-09:50

1 stop10h 40m

Dublin

Sat 20/12

19:25-06:45

1 stop11h 20m

£119

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 £139 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 £160 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

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.
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 3h 15m.

  • 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
Drogheda
Kildare
Mullingar
Gorey
Wicklow
Enniscorthy
Arklow
Naas
Maynooth
Leixlip
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.

An easier way to manage your Dublin 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
Sun 30/11
Sun 7/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland