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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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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
€101Multiple 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
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
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
€114Multiple Airlines
Thu, 2 Apr - Thu, 9 Apr

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Belfast Intl Airport 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 Intl Airport 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

€101

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 - 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

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

€114

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Dublin to Belfast Intl Airport

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 Intl?

Ryanair is the most popular carrier operating from Dublin to Belfast Intl

When to book flights from Dublin to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Belfast Intl Airport (DUB to BFS) flight deals and tips

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

Fastest flight time

5h 05m

Direct flights

None
The fastest flight from Dublin to Belfast Intl Airport takes 5h 05m
There are no direct flights from Dublin to Belfast Intl Airport. There are no popular flight routes from Dublin to Belfast Intl Airport.
Search flight deals

  • How far is Dublin to Belfast Intl by plane?

    A flight from Dublin to Belfast Intl will travel around 145.9 km. In terms of flight time, this usually takes a little over 5h 05m.

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

    Prices for flights from Dublin Airport to Belfast Intl Airport refresh daily.

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

    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 Intl Airport.

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

    The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Ballymena

Why use momondo?

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

Finding the right flight to Belfast from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Dublin to Belfast flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belfast from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Belfast from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belfast Intl Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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