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Cheap flights from Dublin to Belfast from €43

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 26/7. 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
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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
20:25 - 09:35
DUB
-
BFS
13h 10m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€81Multiple Airlines
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
Multiple Airlines Logo
07:30 - 20:45
BFS
-
DUB
13h 15m
1 stop
€81Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
Multiple Airlines Logo
15:40 - 23:25
BFS
-
DUB
7h 45m
1 stop
€84Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
Multiple Airlines Logo
07:35 - 14:05
BFS
-
DUB
6h 30m
1 stop
€85Multiple Airlines
Mon, 10 Aug - Tue, 18 Aug
Multiple Airlines Logo
15:45 - 21:15
DUB
-
BFS
5h 30m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€86Multiple Airlines
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
20:25 - 09:35
DUB
-
BFS
13h 10m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€87Multiple Airlines
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
06:10 - 19:15
DUB
-
BFS
13h 05m
1 stop
Multiple Airlines Logo
17:40 - 21:10
BFS
-
DUB
3h 30m
1 stop
€88Multiple Airlines
Thu, 30 Jul - Wed, 5 Aug
Multiple Airlines Logo
20:55 - 08:30
DUB
-
BFS
11h 35m
1 stop
Multiple Airlines Logo
12:45 - 18:10
BFS
-
DUB
5h 25m
1 stop
€88Multiple Airlines
Thu, 30 Jul - Thu, 6 Aug
Multiple Airlines Logo
20:20 - 07:05
DUB
-
BFS
10h 45m
1 stop
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
€89Multiple Airlines
Tue, 28 Jul - Tue, 4 Aug
Multiple Airlines Logo
15:45 - 22:20
DUB
-
BFS
6h 35m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€90Multiple Airlines
Thu, 30 Jul - Sat, 8 Aug

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British Airways flights from Dublin to Belfast

Our best British Airways deals on Dublin to Belfast flight tickets
British Airways
29 Sept
DUB20:25Dublin
12h 35m
1 stop
BHD09:00Belfast City
3 Oct
BHD19:05Belfast City
14h 35m
1 stop
DUB09:40Dublin
€204
British Airways
29 Sept
DUB20:25Dublin
12h 35m
1 stop
BHD09:00Belfast City
3 Oct
BHD19:05Belfast City
14h 35m
1 stop
DUB09:40Dublin
€205
British Airways
6 Aug
DUB08:35Dublin
7h 05m
1 stop
BHD15:40Belfast City
12 Aug
BHD20:35Belfast City
11h 10m
1 stop
DUB07:45Dublin
€222

Aer Lingus flights from Dublin to Belfast

Our best Aer Lingus deals on Dublin to Belfast flight tickets
Aer Lingus
10 Aug
DUB06:30Dublin
3h 15m
1 stop
BHD09:45Belfast City
19 Aug
BHD12:40Belfast City
4h 05m
1 stop
DUB16:45Dublin
€203
Aer Lingus
23 Aug
DUB06:30Dublin
6h 40m
1 stop
BHD13:10Belfast City
30 Aug
BHD14:55Belfast City
5h 05m
1 stop
DUB20:00Dublin
€291
Aer Lingus
30 Jul
DUB09:55Dublin
7h 25m
1 stop
BHD17:20Belfast City
6 Aug
BHD06:50Belfast City
14h 00m
1 stop
DUB20:50Dublin
€319

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 3 July 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

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 1/8

20:25-09:35

1 stop13h 10m

Belfast Intl

Sat 8/8

21:40-09:10

1 stop11h 30m

€81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 29/7

06:30-15:15

1 stop8h 45m

Belfast Intl

Wed 5/8

07:30-20:45

1 stop13h 15m

€81
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 29/7

06:30-15:15

1 stop8h 45m

Belfast Intl

Wed 5/8

15:40-23:25

1 stop7h 45m

€84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 10/8

20:35-10:00

1 stop13h 25m

Belfast Intl

Tue 18/8

07:35-14:05

1 stop6h 30m

€85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 1/8

15:45-21:15

1 stop5h 30m

Belfast Intl

Sat 8/8

21:40-09:10

1 stop11h 30m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 1/8

20:25-09:35

1 stop13h 10m

Belfast Intl

Sat 8/8

21:40-09:10

1 stop11h 30m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 30/7

06:10-19:15

1 stop13h 05m

Belfast Intl

Wed 5/8

17:40-21:10

1 stop3h 30m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 30/7

20:55-08:30

1 stop11h 35m

Belfast Intl

Thu 6/8

12:45-18:10

1 stop5h 25m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 28/7

20:20-07:05

1 stop10h 45m

Belfast Intl

Tue 4/8

07:35-16:25

1 stop8h 50m

€89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 30/7

15:45-22:20

1 stop6h 35m

Belfast Intl

Sat 8/8

21:40-09:10

1 stop11h 30m

€90

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 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

5h 30m

Direct flights

None
The fastest flight from Dublin to Belfast takes 5h 30m
There are no direct flights from Dublin to Belfast. There are no popular flight routes from Dublin to Belfast.
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Frequently asked questions about flying from Dublin to Belfast

  • How far is Dublin to Belfast by plane?

    Belfast is 140.9 km away from Dublin. 5h 30m 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