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Cheap flights from Dublin to Belfast from £43

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

£92

One-way from

£43
31/10-7/11
  • 31/10-7/11
  • 2 total stops
  • 22h 40m total
  • Dublin to Belfast
Search Deals
14/10
  • 14/10
  • 1 total stop
  • 5h 55m total
  • Dublin to Belfast
Search Deals

Find flight deals from Dublin to Belfast

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 September 2025.

Fri 31/1018:45DUB - BFS
1 stop14h 05mMultiple Airlines
Fri 7/1114:30BFS - DUB
1 stop8h 35mMultiple Airlines
Deal found 16/9£92
Thu 30/1008:30DUB - BFS
1 stop7h 40mMultiple Airlines
Thu 6/1116:35BFS - DUB
1 stop5h 00mMultiple Airlines
Deal found 15/9£97
Tue 14/1016:20DUB - BFS
1 stop6h 10mMultiple Airlines
Tue 21/1005:55BFS - DUB
1 stop10h 00mMultiple Airlines
Deal found 16/9£99
Thu 16/1013:05DUB - BFS
1 stop8h 55mMultiple Airlines
Sun 19/1023:30BFS - DUB
1 stop10h 05mMultiple Airlines
Deal found 16/9£102
Mon 13/1006:30DUB - BFS
1 stop4h 00mMultiple Airlines
Mon 20/1016:20BFS - DUB
1 stop8h 20mMultiple Airlines
Deal found 15/9£103
Sat 8/1116:55DUB - BFS
1 stop13h 50mRyanair
Sun 16/1122:45BFS - DUB
1 stop12h 50mRyanair
Deal found 17/9£106
Sat 8/1116:55DUB - BFS
1 stop13h 50mRyanair
Sat 15/1106:00BFS - DUB
1 stop10h 30mRyanair
Deal found 16/9£107
Sat 8/1118:00DUB - BFS
1 stop12h 45mMultiple Airlines
Sat 15/1112:45BFS - DUB
1 stop3h 45mMultiple Airlines
Deal found 15/9£109
Fri 19/922:15DUB - BFS
1 stop9h 40mMultiple Airlines
Mon 22/923:45BFS - DUB
1 stop12h 25mMultiple Airlines
Deal found 16/9£117
Tue 14/1005:45DUB - BHD
1 stop8h 00mMultiple Airlines
Tue 21/1010:40BHD - DUB
1 stop6h 15mMultiple Airlines
Deal found 16/9£117
Tue 30/906:50DUB - BHD
1 stop3h 20mMultiple Airlines
Tue 7/1010:40BHD - DUB
1 stop6h 35mMultiple Airlines
Deal found 16/9£119
Mon 13/1006:30DUB - BHD
1 stop9h 55mMultiple Airlines
Mon 20/1009:05BHD - DUB
1 stop3h 40mMultiple Airlines
Deal found 15/9£124

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 September 2025.
Use the filters below to find and compare flights from Dublin to Belfast that are best for you.

Fly from

Dublin

Fly to

Belfast

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 31/10

18:45-08:50

1 stop14h 05m

Belfast Intl

Fri 7/11

14:30-23:05

1 stop8h 35m

£92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 30/10

08:30-16:10

1 stop7h 40m

Belfast Intl

Thu 6/11

16:35-21:35

1 stop5h 00m

£97

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/10

16:20-22:30

1 stop6h 10m

Belfast Intl

Tue 21/10

05:55-15:55

1 stop10h 00m

£99

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 16/10

13:05-22:00

1 stop8h 55m

Belfast Intl

Sun 19/10

23:30-09:35

1 stop10h 05m

£102

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 13/10

06:30-10:30

1 stop4h 00m

Belfast Intl

Mon 20/10

16:20-00:40

1 stop8h 20m

£103

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

16:55-06:45

1 stop13h 50m

Belfast Intl

Sun 16/11

22:45-11:35

1 stop12h 50m

£106

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 8/11

16:55-06:45

1 stop13h 50m

Belfast Intl

Sat 15/11

06:00-16:30

1 stop10h 30m

£107

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 14/10

05:45-13:45

1 stop8h 00m

Belfast City

Tue 21/10

10:40-16:55

1 stop6h 15m

£117

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 30/9

06:50-10:10

1 stop3h 20m

Belfast City

Tue 7/10

10:40-17:15

1 stop6h 35m

£119

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 13/10

06:30-16:25

1 stop9h 55m

Belfast City

Mon 20/10

09:05-12:45

1 stop3h 40m

£124

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 36 results
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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

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

Find hourly flight availability from Dublin to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

When flying from Dublin to Belfast, 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. 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.

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

    Currently, January is the cheapest month in which you can book a flight from Dublin to Belfast (average of £67). Flying from Dublin to Belfast 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

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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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