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Cheap flights from Dublin to Belfast from €45

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 30/6. 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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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
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
Multiple Airlines Logo
07:35 - 19:55
BFS
-
DUB
12h 20m
1 stop
€83Multiple Airlines
Tue, 16 Jun - Tue, 23 Jun
Multiple Airlines Logo
13:00 - 22:20
DUB
-
BFS
9h 20m
1 stop
Multiple Airlines Logo
21:55 - 08:30
BFS
-
DUB
10h 35m
1 stop
€84Multiple Airlines
Thu, 4 Jun - Mon, 8 Jun
Multiple Airlines Logo
07:30 - 15:20
DUB
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
21:55 - 08:30
BFS
-
DUB
10h 35m
1 stop
€85Multiple Airlines
Thu, 4 Jun - Mon, 8 Jun
Multiple Airlines Logo
12:15 - 21:15
DUB
-
BFS
9h 00m
1 stop
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
€87Multiple Airlines
Sat, 13 Jun - Sat, 20 Jun
Multiple Airlines Logo
07:30 - 15:20
DUB
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
07:30 - 21:30
BFS
-
DUB
14h 00m
1 stop
€89Multiple Airlines
Thu, 9 Jul - Wed, 15 Jul
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
12:45 - 18:10
BFS
-
DUB
5h 25m
1 stop
€90Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
Multiple Airlines Logo
21:10 - 10:00
DUB
-
BFS
12h 50m
1 stop
Multiple Airlines Logo
12:45 - 18:10
BFS
-
DUB
5h 25m
1 stop
€91Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
Multiple Airlines Logo
06:20 - 18:25
DUB
-
BFS
12h 05m
1 stop
Multiple Airlines Logo
06:55 - 14:05
BFS
-
DUB
7h 10m
1 stop
€92Multiple Airlines
Mon, 1 Jun - Sat, 6 Jun
Multiple Airlines Logo
12:30 - 21:30
DUB
-
BFS
9h 00m
1 stop
Multiple Airlines Logo
06:55 - 11:35
BFS
-
DUB
4h 40m
1 stop
€93Multiple Airlines
Mon, 1 Jun - Sat, 6 Jun
Multiple Airlines Logo
22:05 - 12:15
DUB
-
BFS
14h 10m
1 stop
Multiple Airlines Logo
16:40 - 23:20
BFS
-
DUB
6h 40m
1 stop
€94Multiple Airlines
Mon, 8 Jun - Tue, 16 Jun

Aer Lingus flights from Dublin to Belfast

Our best Aer Lingus deals on Dublin to Belfast flight tickets
Aer Lingus
30 Jun
DUB09:25Dublin
5h 35m
1 stop
BHD15:00Belfast City
1 Jul
BHD14:30Belfast City
7h 15m
1 stop
DUB21:45Dublin
€227
Aer Lingus
9 Jul
DUB16:50Dublin
4h 05m
1 stop
BHD20:55Belfast City
15 Jul
BHD14:55Belfast City
5h 05m
1 stop
DUB20:00Dublin
€285
Aer Lingus
9 Jul
DUB18:50Dublin
25h 15m
1 stop
BHD20:05Belfast City
15 Jul
BHD17:55Belfast City
3h 35m
1 stop
DUB21:30Dublin
€301

British Airways flights from Dublin to Belfast

Our best British Airways deals on Dublin to Belfast flight tickets
British Airways
9 Jul
DUB20:20Dublin
12h 25m
1 stop
BHD08:45Belfast City
15 Jul
BHD06:30Belfast City
10h 30m
1 stop
DUB17:00Dublin
€187
British Airways
13 Oct
DUB20:25Dublin
12h 35m
1 stop
BHD09:00Belfast City
18 Oct
BHD19:10Belfast City
12h 35m
1 stop
DUB07:45Dublin
€188
British Airways
9 Jul
DUB20:20Dublin
12h 25m
1 stop
BHD08:45Belfast City
15 Jul
BHD11:35Belfast City
20h 10m
1 stop
DUB07:45Dublin
€194

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 20 May 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

Tue 16/6

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 23/6

07:35-19:55

1 stop12h 20m

€83

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

13:00-22:20

1 stop9h 20m

Belfast Intl

Mon 8/6

21:55-08:30

1 stop10h 35m

€84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

07:30-15:20

1 stop7h 50m

Belfast Intl

Mon 8/6

21:55-08:30

1 stop10h 35m

€85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 13/6

12:15-21:15

1 stop9h 00m

Belfast Intl

Sat 20/6

21:40-09:10

1 stop11h 30m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 9/7

07:30-15:20

1 stop7h 50m

Belfast Intl

Wed 15/7

07:30-21:30

1 stop14h 00m

€89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 1/6

21:10-10:00

1 stop12h 50m

Belfast Intl

Thu 4/6

12:45-18:10

1 stop5h 25m

€90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 1/6

21:10-10:00

1 stop12h 50m

Belfast Intl

Thu 4/6

12:45-18:10

1 stop5h 25m

€91

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 1/6

06:20-18:25

1 stop12h 05m

Belfast Intl

Sat 6/6

06:55-14:05

1 stop7h 10m

€92
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 1/6

12:30-21:30

1 stop9h 00m

Belfast Intl

Sat 6/6

06:55-11:35

1 stop4h 40m

€93

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 8/6

22:05-12:15

1 stop14h 10m

Belfast Intl

Tue 16/6

16:40-23:20

1 stop6h 40m

€94

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 British Airways 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

3h 00m

Direct flights

None
The fastest flight from Dublin to Belfast takes 3h 00m
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. 3h 00m 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