Cheap flights from Dublin to Belfast 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 Dublin to Belfast departing on 25/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:45 - 07:25
DUB
-
BFS
11h 40m1 stop
Multiple Airlines Logo
18:50 - 23:05
BFS
-
DUB
4h 15m1 stop
€92Multiple Airlines
Thu, 19 Feb - Mon, 23 Feb
Multiple Airlines Logo
06:30 - 10:45
DUB
-
BFS
4h 15m1 stop
Multiple Airlines Logo
15:45 - 23:05
BFS
-
DUB
7h 20m1 stop
€93Multiple Airlines
Wed, 11 Feb - Wed, 18 Feb
Ryanair Logo
19:25 - 10:30
DUB
-
BFS
15h 05m1 stop
Ryanair Logo
14:00 - 19:00
BFS
-
DUB
5h 00m1 stop
€94Ryanair
Thu, 12 Feb - Thu, 19 Feb
Multiple Airlines Logo
09:45 - 18:25
DUB
-
BFS
8h 40m1 stop
Multiple Airlines Logo
06:15 - 13:20
BFS
-
DUB
7h 05m1 stop
€98Multiple Airlines
Mon, 2 Feb - Thu, 5 Feb
Multiple Airlines Logo
06:20 - 13:05
DUB
-
BFS
6h 45m1 stop
Multiple Airlines Logo
20:55 - 07:15
BFS
-
DUB
10h 20m1 stop
€99Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
06:20 - 13:05
DUB
-
BFS
6h 45m1 stop
Multiple Airlines Logo
22:45 - 07:50
BFS
-
DUB
9h 05m1 stop
€104Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
12:35 - 16:50
DUB
-
BHD
4h 15m1 stop
Multiple Airlines Logo
16:45 - 11:35
BHD
-
DUB
18h 50m1 stop
€105Multiple Airlines
Thu, 22 Jan - Sat, 31 Jan
Multiple Airlines Logo
06:20 - 14:25
DUB
-
BHD
8h 05m1 stop
Multiple Airlines Logo
07:25 - 14:50
BHD
-
DUB
7h 25m1 stop
€111Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
12:25 - 16:05
DUB
-
BHD
3h 40m1 stop
Multiple Airlines Logo
10:05 - 20:20
BHD
-
DUB
10h 15m1 stop
€114Multiple Airlines
Thu, 19 Feb - Mon, 23 Feb
KLM Logo
05:55 - 16:50
DUB
-
BHD
10h 55m1 stop
KLM Logo
06:30 - 16:20
BHD
-
DUB
9h 50m1 stop
€200KLM
Thu, 19 Feb - Mon, 23 Feb

Aer Lingus flights from Dublin to Belfast

Our best Aer Lingus deals on Dublin to Belfast flight tickets
Aer Lingus
19 Feb
DUB06:30Dublin
6h 25m
1 stop
BHD12:55Belfast City
23 Feb
BHD06:55Belfast City
14h 40m
1 stop
DUB21:35Dublin
Aer Lingus
19 Feb
DUB07:30Dublin
5h 25m
1 stop
BHD12:55Belfast City
23 Feb
BHD06:55Belfast City
14h 40m
1 stop
DUB21:35Dublin

British Airways flights from Dublin to Belfast

Our best British Airways deals on Dublin to Belfast flight tickets
British Airways
19 Feb
DUB08:50Dublin
7h 45m
1 stop
BHD16:35Belfast City
23 Feb
BHD17:45Belfast City
14h 10m
1 stop
DUB07:55Dublin
British Airways
19 Feb
DUB08:50Dublin
5h 25m
1 stop
BHD14:15Belfast City
23 Feb
BHD17:45Belfast City
14h 10m
1 stop
DUB07:55Dublin
British Airways
9 Jan
DUB20:35Dublin
13h 55m
1 stop
BHD10:30Belfast City
10 Jan
BHD15:05Belfast City
21h 40m
1 stop
DUB12:45Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Belfast 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 30 December 2025.
Use the filters below to find and compare flights from Dublin to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 19/2

19:45-07:25

1 stop11h 40m

Belfast Intl

Mon 23/2

18:50-23:05

1 stop4h 15m

€92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 11/2

06:30-10:45

1 stop4h 15m

Belfast Intl

Wed 18/2

15:45-23:05

1 stop7h 20m

€93

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 12/2

19:25-10:30

1 stop15h 05m

Belfast Intl

Thu 19/2

14:00-19:00

1 stop5h 00m

€94

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 2/2

09:45-18:25

1 stop8h 40m

Belfast Intl

Thu 5/2

06:15-13:20

1 stop7h 05m

€98

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 25/1

06:20-13:05

1 stop6h 45m

Belfast Intl

Sun 1/2

20:55-07:15

1 stop10h 20m

€99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 25/1

06:20-13:05

1 stop6h 45m

Belfast Intl

Sun 1/2

22:45-07:50

1 stop9h 05m

€104

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 22/1

12:35-16:50

1 stop4h 15m

Belfast City

Sat 31/1

16:45-11:35

1 stop18h 50m

€104

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 25/1

06:20-14:25

1 stop8h 05m

Belfast City

Sun 1/2

07:25-14:50

1 stop7h 25m

€111

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 19/2

12:25-16:05

1 stop3h 40m

Belfast City

Mon 23/2

10:05-20:20

1 stop10h 15m

€114

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 19/2

05:55-16:50

1 stop10h 55m

Belfast City

Mon 23/2

06:30-16:20

1 stop9h 50m

€200

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Dublin to Belfast

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 Dublin to Belfast?

Aer Lingus is the most popular carrier operating from Dublin to Belfast

Cheap Dublin to Belfast flight deals and tips

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

Fastest flight time

3h 35m

Direct flights

None
The fastest flight from Dublin to Belfast takes 3h 35m
There are no direct flights from Dublin to Belfast. There are no popular flight routes from Dublin to Belfast.
  • How far is Dublin to Belfast by plane?

    Belfast is 140.9 km away from Dublin. 3h 35m is a normal flight duration for this route.

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

    Prices for flights from Dublin Airport to Belfast refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Belfast . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Belfast.

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

Yes. momondo can track prices for Dublin to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Thu 29/1
Thu 5/2

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast