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Cheap flights from Dublin to Belfast Intl Airport from £37

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Belfast Intl

Enter your travel dates to find the best prices.

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 22 January 2026.

Sat 21/206:50
DUB
-
BFS
1 stop8h 20m
Multiple Airlines
Mon 23/207:50
BFS
-
DUB
1 stop7h 05m
Multiple Airlines
Deal found 21/1£73
Sat 7/318:45
DUB
-
BFS
1 stop4h 00m
Multiple Airlines
Sat 14/323:10
BFS
-
DUB
1 stop8h 40m
Multiple Airlines
Deal found 21/1£79
Wed 18/206:45
DUB
-
BFS
1 stop9h 15m
Multiple Airlines
Wed 25/207:55
BFS
-
DUB
1 stop5h 30m
Multiple Airlines
Deal found 21/1£80
Fri 6/306:45
DUB
-
BFS
1 stop3h 45m
Multiple Airlines
Fri 13/318:00
BFS
-
DUB
1 stop3h 25m
Multiple Airlines
Deal found 20/1£84
Fri 27/206:30
DUB
-
BFS
1 stop14h 35m
Multiple Airlines
Sat 28/208:50
BFS
-
DUB
1 stop12h 30m
Multiple Airlines
Deal found 20/1£92
Thu 5/316:30
DUB
-
BFS
1 stop6h 20m
Multiple Airlines
Thu 12/314:00
BFS
-
DUB
1 stop9h 45m
Multiple Airlines
Deal found 21/1£92

Find 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 22 January 2026.

Round-trip from

£73

One-way from

£37
21/2-23/2
  • 21/2-23/2
  • 2 total stops
  • 15h 25m total
  • Dublin to Belfast
Search Deals
20/5
  • 20/5
  • 1 total stop
  • 5h 10m total
  • Dublin to Belfast
Search Deals

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 22 January 2026.
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

Sat 21/2

06:50-15:10

1 stop8h 20m

Belfast Intl

Mon 23/2

07:50-14:55

1 stop7h 05m

£73

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 7/3

18:45-22:45

1 stop4h 00m

Belfast Intl

Sat 14/3

23:10-07:50

1 stop8h 40m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 18/2

06:45-16:00

1 stop9h 15m

Belfast Intl

Wed 25/2

07:55-13:25

1 stop5h 30m

£80

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 6/3

06:45-10:30

1 stop3h 45m

Belfast Intl

Fri 13/3

18:00-21:25

1 stop3h 25m

£84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/6

08:15-11:55

1 stop3h 40m

Belfast Intl

Thu 11/6

12:45-23:55

1 stop11h 10m

£122

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 20/5

10:05-15:15

1 stop5h 10m

£37

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 6/3

18:15-22:20

1 stop4h 05m

£50

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 5/5

06:05-10:00

1 stop3h 55m

£51

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 4/7

08:15-09:35

1 stop25h 20m

£60

Flights are sorted by cheapest return flights first.

Deals found on 21/1

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.

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.

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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