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Cheap flights from Dublin to Belfast Intl Airport from £46

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Dublin to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.

Round-trip from

£98

One-way from

£46
24/9-1/10
  • 24/9-1/10
  • 2 total stops
  • 25h 35m total
  • Dublin to Belfast
Search Deals
13/10
  • 13/10
  • 1 total stop
  • 4h 45m total
  • Dublin to Belfast
Search Deals

Find flight deals from Dublin to Belfast Intl

Cheapest flights from Dublin to Belfast Intl
Explore the most affordable flight options available from Dublin to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Wed 24/919:55DUB - BFS
1 stop13h 05mMultiple Airlines
Wed 1/1007:25BFS - DUB
1 stop12h 30mMultiple Airlines
Deal found 27/8£98
Tue 14/1010:20DUB - BFS
1 stop7h 00mMultiple Airlines
Wed 15/1014:10BFS - DUB
1 stop4h 20mMultiple Airlines
Deal found 29/8£99
Thu 25/915:55DUB - BFS
1 stop7h 00mMultiple Airlines
Thu 2/1020:40BFS - DUB
1 stop4h 00mMultiple Airlines
Deal found 28/8£102
Tue 7/1014:45DUB - BFS
1 stop4h 00mMultiple Airlines
Wed 8/1007:25BFS - DUB
1 stop4h 30mMultiple Airlines
Deal found 27/8£107
Mon 6/1006:40DUB - BFS
1 stop14h 25mMultiple Airlines
Wed 8/1008:40BFS - DUB
1 stop12h 15mMultiple Airlines
Deal found 28/8£108
Sun 12/1021:05DUB - BFS
1 stop11h 55mMultiple Airlines
Sun 19/1022:55BFS - DUB
1 stop10h 00mMultiple Airlines
Deal found 27/8£110
Sat 27/906:30DUB - BFS
1 stop4h 25mMultiple Airlines
Sun 5/1007:00BFS - DUB
1 stop8h 25mMultiple Airlines
Deal found 28/8£111
Sat 11/1020:00DUB - BFS
1 stop12h 00mMultiple Airlines
Sat 18/1019:35BFS - DUB
1 stop14h 00mMultiple Airlines
Deal found 26/8£118
Fri 10/1022:15DUB - BFS
1 stop9h 40mMultiple Airlines
Mon 13/1010:00BFS - DUB
1 stop13h 10mMultiple Airlines
Deal found 27/8£127
Mon 6/1018:45DUB - BFS
1 stop3h 35mMultiple Airlines
Mon 13/1017:55BFS - DUB
1 stop3h 50mMultiple Airlines
Deal found 28/8£131

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Belfast Intl 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, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Dublin to Belfast Intl Airport that are best for you.

Fly from

Dublin

Fly to

Belfast Intl

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 24/9

19:55-09:00

1 stop13h 05m

Belfast Intl

Wed 1/10

07:25-19:55

1 stop12h 30m

£98

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/10

10:20-17:20

1 stop7h 00m

Belfast Intl

Wed 15/10

14:10-18:30

1 stop4h 20m

£99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 3/10

06:30-18:15

1 stop11h 45m

Belfast Intl

Mon 6/10

06:45-16:15

1 stop9h 30m

£102

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 25/9

15:55-22:55

1 stop7h 00m

Belfast Intl

Thu 2/10

20:40-00:40

1 stop4h 00m

£102

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 7/10

14:45-18:45

1 stop4h 00m

Belfast Intl

Wed 8/10

07:25-11:55

1 stop4h 30m

£107

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 8/10

10:20-19:40

1 stop9h 20m

Belfast Intl

Wed 15/10

14:10-21:30

1 stop7h 20m

£108

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 6/10

06:40-21:05

1 stop14h 25m

Belfast Intl

Wed 8/10

08:40-20:55

1 stop12h 15m

£108

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 12/10

21:05-09:00

1 stop11h 55m

Belfast Intl

Sun 19/10

22:55-08:55

1 stop10h 00m

£110

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 27/9

06:30-10:55

1 stop4h 25m

Belfast Intl

Sun 5/10

07:00-15:25

1 stop8h 25m

£111

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 11/10

20:00-08:00

1 stop12h 00m

Belfast Intl

Sat 18/10

19:35-09:35

1 stop14h 00m

£118

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 15 results
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Best time to book a flight from Dublin to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Dublin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Belfast Intl Airport

What is the cheapest time of day to fly from DUB to BFS?

Find hourly flight availability from Dublin to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

When flying from Dublin to Belfast Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Belfast Intl?

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Belfast Intl. You should not have trouble finding flights to Belfast Intl from Dublin; the airport handles an average of 0 outbound flights to Belfast Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Dublin airport to Belfast Intl. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

  • Can I find deals for flights from Dublin to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Dublin to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Belfast Intl.

  • Can I find deals for business class flights from Dublin to Belfast Intl?

    Yes. Cheapflights offers flight deals from Dublin to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Belfast Intl Airport (average of £67). Flying from Dublin to Belfast Intl Airport in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast Intl Airport?

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

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How does Cheapflights help users find flights from Dublin to Belfast Intl?

Cheapflights helps you search for flights from Dublin to Belfast Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Belfast Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Dublin to Belfast Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Dublin to Belfast Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dublin to Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Dublin today and book when prices fit your budget.

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