Cheap flights from Dublin to Belfast from €64

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

 Logo
22:05 - 07:15DUB-BFS
9h 10m1 stop
 Logo
05:45 - 18:15BFS-DUB
12h 30m1 stop
€116
Find Deal
Sat, 13 Sep - Sat, 20 Sep
 Logo
06:30 - 18:45DUB-BFS
12h 15m1 stop
 Logo
07:25 - 20:20BFS-DUB
12h 55m1 stop
€119
Find Deal
Tue, 16 Sep - Tue, 23 Sep
 Logo
06:30 - 13:30DUB-BFS
7h 00m1 stop
 Logo
19:35 - 09:35BFS-DUB
14h 00m1 stop
€120
Find Deal
Sat, 20 Sep - Sat, 20 Sep
 Logo
10:35 - 22:00DUB-BFS
11h 25m1 stop
 Logo
22:45 - 07:50BFS-DUB
9h 05m1 stop
€122
Find Deal
Sat, 15 Nov - Sun, 16 Nov
Aer Lingus Logo
06:30 - 12:50DUB-BHD
6h 20m1 stop
Aer Lingus Logo
07:30 - 13:00BHD-DUB
5h 30m1 stop
€190Aer Lingus
Find Deal
Sat, 27 Sep - Sun, 5 Oct
Aer Lingus Logo
10:10 - 20:10DUB-BHD
10h 00m1 stop
Aer Lingus Logo
07:30 - 14:45BHD-DUB
7h 15m1 stop
€199Aer Lingus
Find Deal
Sat, 27 Sep - Sun, 5 Oct
KLM Logo
11:10 - 16:55DUB-BHD
5h 45m1 stop
KLM Logo
06:30 - 20:15BHD-DUB
13h 45m1 stop
€213KLM
Find Deal
Sat, 27 Sep - Sun, 5 Oct
KLM Logo
11:10 - 21:15DUB-BHD
10h 05m1 stop
KLM Logo
06:30 - 20:15BHD-DUB
13h 45m1 stop
€214KLM
Find Deal
Sat, 27 Sep - Sun, 5 Oct
British Airways Logo
20:10 - 10:10DUB-BHD
14h 00m1 stop
British Airways Logo
19:30 - 07:45BHD-DUB
12h 15m1 stop
€243British Airways
Find Deal
Sat, 27 Sep - Mon, 6 Oct
British Airways Logo
20:10 - 10:10DUB-BHD
14h 00m1 stop
British Airways Logo
06:50 - 16:20BHD-DUB
9h 30m1 stop
€248British Airways
Find Deal
Sat, 27 Sep - Sun, 5 Oct

British Airways flights from Dublin to Belfast

Our best British Airways deals on Dublin to Belfast flight tickets
British Airways
27 Sept
DUB20:10Dublin
14h 00m
1 stop
BHD10:10Belfast City
6 Oct
BHD19:30Belfast City
12h 15m
1 stop
DUB07:45Dublin
British Airways
27 Sept
DUB20:10Dublin
14h 00m
1 stop
BHD10:10Belfast City
5 Oct
BHD06:50Belfast City
9h 30m
1 stop
DUB16:20Dublin
British Airways
27 Sept
DUB20:10Dublin
14h 00m
1 stop
BHD10:10Belfast City
5 Oct
BHD11:00Belfast City
5h 20m
1 stop
DUB16:20Dublin

Aer Lingus flights from Dublin to Belfast

Our best Aer Lingus deals on Dublin to Belfast flight tickets
Aer Lingus
27 Sept
DUB06:30Dublin
6h 20m
1 stop
BHD12:50Belfast City
5 Oct
BHD07:30Belfast City
5h 30m
1 stop
DUB13:00Dublin
Aer Lingus
27 Sept
DUB10:10Dublin
10h 00m
1 stop
BHD20:10Belfast City
5 Oct
BHD07:30Belfast City
7h 15m
1 stop
DUB14:45Dublin
Aer Lingus
14 Sept
DUB06:30Dublin
6h 50m
1 stop
BHD13:20Belfast City
21 Sept
BHD13:25Belfast City
7h 35m
1 stop
DUB21:00Dublin

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 18 August 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

Sat 13/9

22:05-07:15

1 stop9h 10m

Belfast Intl

Sat 20/9

05:45-18:15

1 stop12h 30m

€116

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 16/9

06:30-18:45

1 stop12h 15m

Belfast Intl

Tue 23/9

07:25-20:20

1 stop12h 55m

€119

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 20/9

06:30-13:30

1 stop7h 00m

Belfast Intl

Sat 20/9

19:35-09:35

1 stop14h 00m

€120

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 15/11

10:35-22:00

1 stop11h 25m

Belfast Intl

Sun 16/11

22:45-07:50

1 stop9h 05m

€122

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

06:30-12:50

1 stop6h 20m

Belfast City

Sun 5/10

07:30-13:00

1 stop5h 30m

€190

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

10:10-20:10

1 stop10h 00m

Belfast City

Sun 5/10

07:30-14:45

1 stop7h 15m

€199

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

11:10-16:55

1 stop5h 45m

Belfast City

Sun 5/10

06:30-20:15

1 stop13h 45m

€213

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

11:10-21:15

1 stop10h 05m

Belfast City

Sun 5/10

06:30-20:15

1 stop13h 45m

€214

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

20:10-10:10

1 stop14h 00m

Belfast City

Mon 6/10

19:30-07:45

1 stop12h 15m

€243

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

20:10-10:10

1 stop14h 00m

Belfast City

Sun 5/10

06:50-16:20

1 stop9h 30m

€248

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Cheap Dublin to Belfast flight deals and tips

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

Best price found

€64

Fastest flight time

3h 15m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Dublin in the past 72 hours is €64. The best return flight deal from Dublin to Belfast found on momondo in the last 72 hours is €116.
The fastest flight from Dublin to Belfast takes 3h 15m
There are no direct flights from Dublin to Belfast. Popular non-direct routes for this connection are Dublin Airport - Belfast Intl Airport and Dublin Airport - Belfast City Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)
  • How far is Dublin to Belfast by plane?

    Belfast is 140.9 km away from Dublin. 3h 15m 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.

  • How do I get Price Alerts for flights from Dublin to Belfast?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Dublin from Belfast. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Dublin to Belfast with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • 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.

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
Sat 23/8
Sat 30/8

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