Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Belfast to Dublin from £40

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 to Dublin departing on 23/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Belfast to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
06:10 - 19:15
DUB
-
BFS
13h 05m
1 stop
£69Multiple Airlines
Thu, 9 Jul - Thu, 16 Jul
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
06:05 - 18:55
DUB
-
BFS
12h 50m
1 stop
£71Multiple Airlines
Wed, 22 Jul - Fri, 31 Jul
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
10:50 - 19:50
DUB
-
BFS
9h 00m
1 stop
£76Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
22:00 - 08:45
BFS
-
DUB
10h 45m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
£77Multiple Airlines
Sun, 26 Jul - Sun, 2 Aug
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
10:50 - 19:50
DUB
-
BFS
9h 00m
1 stop
£78Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
15:40 - 23:25
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
22:20 - 09:05
DUB
-
BFS
10h 45m
1 stop
£79Multiple Airlines
Wed, 22 Jul - Fri, 31 Jul
Multiple Airlines Logo
12:45 - 23:55
BFS
-
DUB
11h 10m
1 stop
Multiple Airlines Logo
10:20 - 22:20
DUB
-
BFS
12h 00m
1 stop
£80Multiple Airlines
Thu, 9 Jul - Thu, 16 Jul
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
22:20 - 09:05
DUB
-
BFS
10h 45m
1 stop
£81Multiple Airlines
Fri, 10 Jul - Fri, 17 Jul
Multiple Airlines Logo
21:40 - 10:30
BFS
-
DUB
12h 50m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
£81Multiple Airlines
Sat, 1 Aug - Wed, 5 Aug
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
£82Multiple Airlines
Sun, 26 Jul - Mon, 27 Jul

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

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
4 Sept
BHD06:30Belfast City
11h 25m
1 stop
DUB17:55Dublin
8 Sept
DUB20:25Dublin
12h 35m
1 stop
BHD09:00Belfast City
£165
British Airways
7 Aug
BHD09:35Belfast City
22h 05m
1 stop
DUB07:40Dublin
11 Aug
DUB08:35Dublin
8h 55m
1 stop
BHD17:30Belfast City
£179
British Airways
3 Sept
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
7 Sept
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
£180

momondo Fare Finder

 
Customise your flight search to find flights from Belfast 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 15 June 2026.
Use the filters below to find and compare flights from Belfast to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 9/7

12:45-20:30

1 stop7h 45m

Dublin

Thu 16/7

06:10-19:15

1 stop13h 05m

£69

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 22/7

07:30-20:45

1 stop13h 15m

Dublin

Fri 31/7

06:05-18:55

1 stop12h 50m

£71

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 8/7

07:30-20:45

1 stop13h 15m

Dublin

Wed 15/7

10:50-19:50

1 stop9h 00m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 26/7

22:00-08:45

1 stop10h 45m

Dublin

Sun 2/8

23:10-08:15

1 stop9h 05m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 8/7

07:30-20:45

1 stop13h 15m

Dublin

Wed 15/7

10:50-19:50

1 stop9h 00m

£78

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 22/7

15:40-23:25

1 stop7h 45m

Dublin

Fri 31/7

22:20-09:05

1 stop10h 45m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 9/7

12:45-23:55

1 stop11h 10m

Dublin

Thu 16/7

10:20-22:20

1 stop12h 00m

£80
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 10/7

19:20-01:00

1 stop5h 40m

Dublin

Fri 17/7

22:20-09:05

1 stop10h 45m

£81

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/8

21:40-10:30

1 stop12h 50m

Dublin

Wed 5/8

10:05-15:15

1 stop5h 10m

£81

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 26/7

19:20-01:00

1 stop5h 40m

Dublin

Mon 27/7

21:10-10:00

1 stop12h 50m

£82

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Dublin from

How to get the cheapest flight ticket from Belfast 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 airline that flies from Belfast to Dublin?

British Airways and Aer Lingus are the most popular carriers operating from Belfast to Dublin

Cheap Belfast to Dublin flight deals and tips

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

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from Belfast to Dublin takes 7h 00m
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
Search flight deals

Frequently asked questions about flying from Belfast to Dublin

  • How far is Belfast to Dublin by plane?

    The distance between Belfast and Dublin is about 87.5 mi. 7h 00m is a normal flight duration for this route.

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

    Prices for flights from Belfast to Dublin Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast 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 license 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.

Best airlines flying from Belfast to Dublin

Compare and see reviews for airlines that fly from Belfast to Dublin with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £38Free CancellationRating
6.9
5,410 reviews
Search Ryanair flights
Aer LingusPriceFrom £75Free CancellationRating
7.3
1,603 reviews
Search Aer Lingus flights

Travelling to a place near Dublin?

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

Why use momondo?

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

It is quick and easy to find Belfast to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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 you have performed a search for Belfast to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Belfast to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.

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
Wed 15/7
Wed 22/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland