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Cheap flights from Belfast Intl Airport to Dublin from €46

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 15/4. 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
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
13:00 - 22:20
DUB
-
BFS
9h 20m
1 stop
€82Multiple Airlines
Thu, 14 May - Thu, 21 May
Multiple Airlines Logo
15:40 - 20:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
€84Multiple Airlines
Wed, 13 May - Sun, 17 May
Multiple Airlines Logo
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
19:55 - 10:45
DUB
-
BFS
14h 50m
1 stop
€85Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
22:45 - 07:15
BFS
-
DUB
8h 30m
1 stop
Multiple Airlines Logo
13:00 - 22:20
DUB
-
BFS
9h 20m
1 stop
€87Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
07:35 - 14:05
BFS
-
DUB
6h 30m
1 stop
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
€88Multiple Airlines
Tue, 19 May - Tue, 26 May
Multiple Airlines Logo
09:15 - 17:10
BFS
-
DUB
7h 55m
1 stop
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
€89Multiple Airlines
Thu, 14 May - Mon, 18 May
Multiple Airlines Logo
19:20 - 09:20
BFS
-
DUB
14h 00m
1 stop
Multiple Airlines Logo
21:05 - 10:45
DUB
-
BFS
13h 40m
1 stop
€91Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
08:40 - 18:10
BFS
-
DUB
9h 30m
1 stop
Multiple Airlines Logo
16:15 - 23:20
DUB
-
BFS
7h 05m
1 stop
€92Multiple Airlines
Mon, 20 Apr - Wed, 22 Apr
Multiple Airlines Logo
07:35 - 19:50
BFS
-
DUB
12h 15m
1 stop
Multiple Airlines Logo
06:55 - 15:20
DUB
-
BFS
8h 25m
1 stop
€100Multiple Airlines
Tue, 9 Jun - Mon, 22 Jun
Multiple Airlines Logo
20:20 - 07:50
BFS
-
DUB
11h 30m
1 stop
Multiple Airlines Logo
23:10 - 08:15
DUB
-
BFS
9h 05m
1 stop
€101Multiple Airlines
Sun, 17 May - Sun, 24 May

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 6 April 2026.
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

Cheapest return flight

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

12:45-20:30

1 stop7h 45m

Dublin

Thu 21/5

13:00-22:20

1 stop9h 20m

€82
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 13/5

15:40-20:45

1 stop5h 05m

Dublin

Sun 17/5

23:10-08:15

1 stop9h 05m

€84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 1/5

19:20-01:00

1 stop5h 40m

Dublin

Fri 8/5

19:55-10:45

1 stop14h 50m

€85

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 30/4

22:45-07:15

1 stop8h 30m

Dublin

Thu 7/5

13:00-22:20

1 stop9h 20m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 19/5

07:35-14:05

1 stop6h 30m

Dublin

Tue 26/5

21:20-07:05

1 stop9h 45m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 14/5

09:15-17:10

1 stop7h 55m

Dublin

Mon 18/5

21:10-10:00

1 stop12h 50m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 1/5

19:20-09:20

1 stop14h 00m

Dublin

Fri 8/5

21:05-10:45

1 stop13h 40m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 20/4

08:40-18:10

1 stop9h 30m

Dublin

Wed 22/4

16:15-23:20

1 stop7h 05m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 9/6

07:35-19:50

1 stop12h 15m

Dublin

Mon 22/6

06:55-15:20

1 stop8h 25m

€100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 17/5

20:20-07:50

1 stop11h 30m

Dublin

Sun 24/5

23:10-08:15

1 stop9h 05m

€101

Flights are sorted by cheapest return flights first.

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

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

3h 40m

Direct flights

None
The fastest flight from Belfast Intl Airport to Dublin takes 3h 40m
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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Frequently asked questions about flying from Belfast Intl Airport to Dublin

  • 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 3h 40m.

  • 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.

Frequently asked questions about flying from Belfast Intl Airport to Dublin

  • 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
Cavan
Wicklow
Dundalk
Naas
Tullamore
Kildare
Swords
Bray
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Castleknock
Enniscorthy
Arklow
Thurles

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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