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Cheap flights from Dublin to Belfast from €88

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Belfast departing on 23/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:00 - 20:25
DUB
-
BFS
5h 25m1 stop
Multiple Airlines Logo
07:50 - 11:05
BFS
-
DUB
3h 15m1 stop
€88Multiple Airlines
Fri, 23 Jan - Mon, 26 Jan
Multiple Airlines Logo
13:00 - 18:50
DUB
-
BFS
5h 50m1 stop
Multiple Airlines Logo
15:45 - 23:05
BFS
-
DUB
7h 20m1 stop
€89Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
20:00 - 09:05
DUB
-
BFS
13h 05m1 stop
Multiple Airlines Logo
18:00 - 07:50
BFS
-
DUB
13h 50m1 stop
€90Multiple Airlines
Mon, 5 Jan - Fri, 9 Jan
Multiple Airlines Logo
09:20 - 21:45
DUB
-
BFS
12h 25m1 stop
Multiple Airlines Logo
22:45 - 09:50
BFS
-
DUB
11h 05m1 stop
€97Multiple Airlines
Sun, 11 Jan - Sun, 18 Jan
Multiple Airlines Logo
18:25 - 07:40
DUB
-
BFS
13h 15m1 stop
Multiple Airlines Logo
06:30 - 15:30
BFS
-
DUB
9h 00m1 stop
€99Multiple Airlines
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
07:55 - 18:40
DUB
-
BFS
10h 45m1 stop
Multiple Airlines Logo
06:15 - 17:50
BFS
-
DUB
11h 35m1 stop
€100Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
17:00 - 22:00
DUB
-
BFS
5h 00m1 stop
Multiple Airlines Logo
14:30 - 20:05
BFS
-
DUB
5h 35m1 stop
€103Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
10:10 - 14:55
DUB
-
BFS
4h 45m1 stop
Multiple Airlines Logo
15:45 - 23:05
BFS
-
DUB
7h 20m1 stop
€109Multiple Airlines
Mon, 2 Feb - Wed, 11 Feb
Multiple Airlines Logo
18:45 - 09:10
DUB
-
BFS
14h 25m1 stop
Multiple Airlines Logo
18:25 - 07:50
BFS
-
DUB
13h 25m1 stop
€114Multiple Airlines
Mon, 2 Feb - Wed, 11 Feb
Multiple Airlines Logo
06:30 - 22:10
DUB
-
BFS
15h 40m1 stop
Multiple Airlines Logo
17:00 - 21:35
BFS
-
DUB
4h 35m1 stop
€116Multiple Airlines
Mon, 2 Feb - Wed, 11 Feb

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 16 December 2025.
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

Fri 23/1

15:00-20:25

1 stop5h 25m

Belfast Intl

Mon 26/1

07:50-11:05

1 stop3h 15m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 28/1

13:00-18:50

1 stop5h 50m

Belfast Intl

Wed 4/2

15:45-23:05

1 stop7h 20m

€89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 5/1

20:00-09:05

1 stop13h 05m

Belfast Intl

Fri 9/1

18:00-07:50

1 stop13h 50m

€90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 11/1

09:20-21:45

1 stop12h 25m

Belfast Intl

Sun 18/1

22:45-09:50

1 stop11h 05m

€97

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 13/1

18:25-07:40

1 stop13h 15m

Belfast Intl

Tue 20/1

06:30-15:30

1 stop9h 00m

€99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 29/1

07:55-18:40

1 stop10h 45m

Belfast Intl

Thu 5/2

06:15-17:50

1 stop11h 35m

€100

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 30/1

17:00-22:00

1 stop5h 00m

Belfast Intl

Fri 6/2

14:30-20:05

1 stop5h 35m

€103

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 2/2

10:10-14:55

1 stop4h 45m

Belfast Intl

Wed 11/2

15:45-23:05

1 stop7h 20m

€109

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 2/2

18:45-09:10

1 stop14h 25m

Belfast Intl

Wed 11/2

18:25-07:50

1 stop13h 25m

€114

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 2/2

06:30-22:10

1 stop15h 40m

Belfast Intl

Wed 11/2

17:00-21:35

1 stop4h 35m

€116

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 15m

Direct flights

None
The fastest flight from Dublin to Belfast Intl Airport takes 5h 15m
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 15m.

  • 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.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Dublin from Belfast Intl Airport. 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 Intl Airport 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.

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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