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Cheap flights from Dublin to Belfast from £35

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Belfast
Explore the most affordable flight options available from Dublin to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Fri 29/507:40
DUB
-
BFS
1 stop11h 50m
Multiple Airlines
Fri 5/608:55
BFS
-
DUB
1 stop12h 15m
Multiple Airlines
Deal found 14/4£69
Wed 15/410:50
DUB
-
BFS
1 stop9h 00m
Multiple Airlines
Thu 23/412:45
BFS
-
DUB
1 stop10h 40m
Multiple Airlines
Deal found 12/4£72
Thu 28/510:20
DUB
-
BFS
1 stop12h 00m
Multiple Airlines
Thu 4/612:45
BFS
-
DUB
1 stop10h 40m
Multiple Airlines
Deal found 13/4£72
Tue 12/520:15
DUB
-
BFS
1 stop10h 50m
Multiple Airlines
Tue 19/507:35
BFS
-
DUB
1 stop6h 30m
Multiple Airlines
Deal found 14/4£73
Sun 3/522:20
DUB
-
BFS
1 stop10h 30m
Multiple Airlines
Tue 12/507:35
BFS
-
DUB
1 stop8h 50m
Multiple Airlines
Deal found 13/4£74
Fri 15/513:30
DUB
-
BFS
1 stop6h 00m
Multiple Airlines
Mon 18/521:55
BFS
-
DUB
1 stop10h 35m
Multiple Airlines
Deal found 15/4£76
Sat 2/518:00
DUB
-
BFS
1 stop5h 20m
Multiple Airlines
Fri 8/519:20
BFS
-
DUB
1 stop5h 40m
Multiple Airlines
Deal found 15/4£78
Sun 10/506:30
DUB
-
BFS
1 stop5h 25m
Multiple Airlines
Sat 16/507:40
BFS
-
DUB
1 stop11h 40m
Multiple Airlines
Deal found 17/4£80
Sat 30/507:50
DUB
-
BFS
1 stop8h 40m
Multiple Airlines
Sat 6/621:40
BFS
-
DUB
1 stop12h 50m
Multiple Airlines
Deal found 15/4£80
Tue 12/520:30
DUB
-
BHD
1 stop12h 50m
Multiple Airlines
Tue 19/517:00
BHD
-
DUB
1 stop6h 05m
Multiple Airlines
Deal found 14/4£94
Sun 3/506:30
DUB
-
BHD
1 stop13h 35m
Multiple Airlines
Tue 12/508:05
BHD
-
DUB
1 stop9h 35m
Multiple Airlines
Deal found 13/4£95
Thu 28/507:30
DUB
-
BHD
1 stop13h 30m
Multiple Airlines
Thu 4/611:45
BHD
-
DUB
1 stop5h 25m
Multiple Airlines
Deal found 12/4£97

Find flight deals from Dublin to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Belfast (BF1). 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 17 April 2026.

Round-trip from

£69

One-way from

£35
29/5-5/6
  • 29/5-5/6
  • 2 total stops
  • 24h 05m total
  • Dublin to Belfast
Search Deals
5/5
  • 5/5
  • 1 total stop
  • 3h 55m total
  • Dublin to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Belfast 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 17 April 2026.
Use the filters below to find and compare flights from Dublin to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 28/5

13:00-22:20

1 stop9h 20m

Belfast Intl

Thu 4/6

12:45-23:55

1 stop11h 10m

£72
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 27/5

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 3/6

15:40-20:45

1 stop5h 05m

£73

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 14/5

13:00-22:20

1 stop9h 20m

Belfast Intl

Thu 21/5

12:45-20:30

1 stop7h 45m

£73

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 3/5

22:20-08:50

1 stop10h 30m

Belfast Intl

Tue 12/5

07:35-16:25

1 stop8h 50m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 15/5

13:30-19:30

1 stop6h 00m

Belfast Intl

Mon 18/5

21:55-08:30

1 stop10h 35m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 15/5

13:30-19:30

1 stop6h 00m

Belfast Intl

Fri 22/5

17:05-23:59

1 stop6h 54m

£76

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 2/5

18:00-23:20

1 stop5h 20m

Belfast Intl

Fri 8/5

19:20-01:00

1 stop5h 40m

£78

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 10/5

06:30-11:55

1 stop5h 25m

Belfast Intl

Sat 16/5

07:40-19:20

1 stop11h 40m

£80

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 28/5

10:20-21:05

1 stop10h 45m

Belfast City

Thu 4/6

15:00-22:40

1 stop7h 40m

£95

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 2/5

20:00-09:50

1 stop13h 50m

Belfast City

Fri 8/5

13:35-00:15

1 stop10h 40m

£101

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 40 resultsSorted by cheapest first
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Best time to book a flight from Dublin to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Belfast. 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?

    If you book a flight to Belfast from Dublin, you will be flying from Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 0 flights from Dublin to Belfast per day from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin to Belfast 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

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

When you search for this flight from Dublin to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Dublin to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Dublin to Belfast with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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