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Cheap flights from Dublin to Belfast 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 Dublin to Belfast departing on 19/3. 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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Find the cheapest flights from Dublin to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
€87Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
07:40 - 15:55
DUB
-
BFS
8h 15m
1 stop
Multiple Airlines Logo
09:15 - 23:20
BFS
-
DUB
14h 05m
1 stop
€98Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr
Multiple Airlines Logo
06:30 - 11:35
DUB
-
BFS
5h 05m
1 stop
Multiple Airlines Logo
15:40 - 23:25
BFS
-
DUB
7h 45m
1 stop
€100Multiple Airlines
Wed, 20 May - Wed, 20 May
Multiple Airlines Logo
10:00 - 22:00
DUB
-
BFS
12h 00m
1 stop
Multiple Airlines Logo
12:20 - 23:20
BFS
-
DUB
11h 00m
1 stop
€100Multiple Airlines
Sat, 28 Mar - Sun, 29 Mar
Multiple Airlines Logo
21:15 - 07:40
DUB
-
BFS
10h 25m
1 stop
Multiple Airlines Logo
16:30 - 23:40
BFS
-
DUB
7h 10m
1 stop
€103Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
17:00 - 22:45
DUB
-
BFS
5h 45m
1 stop
Multiple Airlines Logo
05:45 - 11:35
BFS
-
DUB
5h 50m
1 stop
€104Multiple Airlines
Sat, 14 Mar - Sat, 21 Mar
Multiple Airlines Logo
05:55 - 14:25
DUB
-
BHD
8h 30m
1 stop
Multiple Airlines Logo
16:55 - 23:00
BHD
-
DUB
6h 05m
1 stop
€106Multiple Airlines
Sun, 1 Mar - Wed, 4 Mar
Multiple Airlines Logo
16:50 - 20:55
DUB
-
BFS
4h 05m
1 stop
Multiple Airlines Logo
07:00 - 10:25
BFS
-
DUB
3h 25m
1 stop
€109Multiple Airlines
Tue, 31 Mar - Tue, 7 Apr
Multiple Airlines Logo
21:40 - 09:05
DUB
-
BFS
11h 25m
1 stop
Multiple Airlines Logo
18:50 - 07:50
BFS
-
DUB
13h 00m
1 stop
€111Multiple Airlines
Mon, 16 Mar - Mon, 23 Mar
Multiple Airlines Logo
07:40 - 15:55
DUB
-
BFS
8h 15m
1 stop
Multiple Airlines Logo
13:55 - 22:40
BFS
-
DUB
8h 45m
1 stop
€113Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr

KLM flights from Dublin to Belfast

Our best KLM deals on Dublin to Belfast flight tickets
KLM
6 Mar
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
14 Mar
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
€212
KLM
5 Mar
DUB08:50Dublin
12h 10m
1 stop
BHD21:00Belfast City
12 Mar
BHD06:30Belfast City
6h 10m
1 stop
DUB12:40Dublin
€212
KLM
5 Mar
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
9 Mar
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
€224

British Airways flights from Dublin to Belfast

Our best British Airways deals on Dublin to Belfast flight tickets
British Airways
5 Mar
DUB20:40Dublin
10h 50m
1 stop
BHD07:30Belfast City
9 Mar
BHD09:15Belfast City
7h 35m
1 stop
DUB16:50Dublin
€266
British Airways
27 Feb
DUB20:35Dublin
11h 50m
1 stop
BHD08:25Belfast City
2 Mar
BHD06:35Belfast City
10h 15m
1 stop
DUB16:50Dublin
€276
British Airways
10 Mar
DUB13:25Dublin
6h 50m
1 stop
BHD20:15Belfast City
17 Mar
BHD17:15Belfast City
14h 40m
1 stop
DUB07:55Dublin
€285

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 17 February 2026.
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

Wed 1/4

06:30-15:15

1 stop8h 45m

Belfast Intl

Wed 8/4

07:30-12:30

1 stop5h 00m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 2/4

07:40-15:55

1 stop8h 15m

Belfast Intl

Thu 9/4

09:15-23:20

1 stop14h 05m

€98

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 20/5

06:30-11:35

1 stop5h 05m

Belfast Intl

Wed 20/5

15:40-23:25

1 stop7h 45m

€100

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 28/3

10:00-22:00

1 stop12h 00m

Belfast Intl

Sun 29/3

12:20-23:20

1 stop11h 00m

€100

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 17/3

21:15-07:40

1 stop10h 25m

Belfast Intl

Tue 24/3

16:30-23:40

1 stop7h 10m

€103

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 14/3

17:00-22:45

1 stop5h 45m

Belfast Intl

Sat 21/3

05:45-11:35

1 stop5h 50m

€104

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 1/3

05:55-14:25

1 stop8h 30m

Belfast City

Wed 4/3

16:55-23:00

1 stop6h 05m

€106

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 31/3

16:50-20:55

1 stop4h 05m

Belfast Intl

Tue 7/4

07:00-10:25

1 stop3h 25m

€109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 16/3

21:40-09:05

1 stop11h 25m

Belfast Intl

Mon 23/3

18:50-07:50

1 stop13h 00m

€111

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 2/4

07:40-15:55

1 stop8h 15m

Belfast Intl

Thu 9/4

13:55-22:40

1 stop8h 45m

€113

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?

Ryanair and Aer Lingus are the most popular carriers 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

4h 15m

Direct flights

None
The fastest flight from Dublin to Belfast takes 4h 15m
There are no direct flights from Dublin to Belfast. There are no popular flight routes from Dublin to Belfast.
Search flight deals

  • How far is Dublin to Belfast by plane?

    Belfast is 140.9 km away from Dublin. 4h 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.

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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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
Belfast Intl Airport
Belfast City Airport