Cheap flights from Dublin to Belfast from £48

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 5/2. 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
22:10 - 07:55DUB-BFS
9h 45m1 stop
Multiple Airlines Logo
07:50 - 17:25BFS-DUB
9h 35m1 stop
£84Multiple Airlines
Find Deal
Mon, 15 Dec - Mon, 22 Dec
Multiple Airlines Logo
07:20 - 18:45DUB-BFS
11h 25m1 stop
Multiple Airlines Logo
06:00 - 20:30BFS-DUB
14h 30m1 stop
£87Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Multiple Airlines Logo
21:30 - 08:15DUB-BFS
10h 45m1 stop
Multiple Airlines Logo
14:45 - 19:10BFS-DUB
4h 25m1 stop
£90Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
09:05 - 20:50DUB-BFS
11h 45m1 stop
Multiple Airlines Logo
13:35 - 22:25BFS-DUB
8h 50m1 stop
£90Multiple Airlines
Find Deal
Thu, 1 Jan - Thu, 8 Jan
Multiple Airlines Logo
20:35 - 08:50DUB-BFS
12h 15m1 stop
Multiple Airlines Logo
23:10 - 09:20BFS-DUB
10h 10m1 stop
£96Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
20:35 - 08:50DUB-BFS
12h 15m1 stop
Multiple Airlines Logo
23:10 - 09:20BFS-DUB
10h 10m1 stop
£99Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
07:25 - 23:50DUB-BFS
16h 25m1 stop
Multiple Airlines Logo
07:10 - 20:40BFS-DUB
13h 30m1 stop
£101Multiple Airlines
Find Deal
Sun, 14 Dec - Sun, 21 Dec
Multiple Airlines Logo
05:45 - 22:25DUB-BFS
16h 40m2 stops
Multiple Airlines Logo
07:50 - 17:25BFS-DUB
9h 35m1 stop
£103Multiple Airlines
Find Deal
Mon, 15 Dec - Mon, 22 Dec
Multiple Airlines Logo
20:50 - 07:25DUB-BFS
10h 35m1 stop
Multiple Airlines Logo
19:20 - 22:30BFS-DUB
3h 10m1 stop
£107Multiple Airlines
Find Deal
Sun, 21 Dec - Mon, 22 Dec
Multiple Airlines Logo
21:45 - 08:50DUB-BFS
11h 05m1 stop
Multiple Airlines Logo
23:10 - 14:10BFS-DUB
15h 00m2 stops
£108Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec

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 279,928 searches. Data last updated 18 November 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

Mon 15/12

22:10-07:55

1 stop9h 45m

Belfast Intl

Mon 22/12

07:50-17:25

1 stop9h 35m

£84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 13/12

07:20-18:45

1 stop11h 25m

Belfast Intl

Sat 20/12

06:00-20:30

1 stop14h 30m

£87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 1/1

21:30-08:15

1 stop10h 45m

Belfast Intl

Thu 8/1

14:45-19:10

1 stop4h 25m

£90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 1/1

09:05-20:50

1 stop11h 45m

Belfast Intl

Thu 8/1

13:35-22:25

1 stop8h 50m

£90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/12

20:35-08:50

1 stop12h 15m

Belfast Intl

Sat 13/12

23:10-09:20

1 stop10h 10m

£96

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/12

20:35-08:50

1 stop12h 15m

Belfast Intl

Sat 13/12

23:10-09:20

1 stop10h 10m

£99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 14/12

07:25-23:50

1 stop16h 25m

Belfast Intl

Sun 21/12

07:10-20:40

1 stop13h 30m

£101

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 15/12

05:45-22:25

2 stops16h 40m

Belfast Intl

Mon 22/12

07:50-17:25

1 stop9h 35m

£103

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 21/12

20:50-07:25

1 stop10h 35m

Belfast Intl

Mon 22/12

19:20-22:30

1 stop3h 10m

£107

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/12

21:45-08:50

1 stop11h 05m

Belfast Intl

Sat 13/12

23:10-14:10

2 stops15h 00m

£108

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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

Direct flights

None
There are no direct flights from Dublin to Belfast Intl Airport. There are no popular flight routes from Dublin to Belfast Intl Airport.
  • How far is Dublin to Belfast Intl by plane?

    There are 90.7 mi between Dublin and Belfast Intl. In terms of flight time, this usually takes a little over 6h 30m.

  • 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 layovers. 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 travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

    Confirm your travel details to search for the latest offers for flights from Dublin to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Dublin to Belfast Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Belfast?

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

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?

momondo does allow users to show only those flights to Belfast from Dublin which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Dublin to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Dublin to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 18/12
Thu 25/12

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