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Cheap flights from Dublin to Belfast 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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
6 Sep — 13 Sep1
1 adult

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 1 September 2025.

Round-trip from

£95

One-way from

£46
14/11-15/11
  • 14/11-15/11
  • 2 total stops
  • 23h 55m total
  • Dublin to Belfast
Search Deals
14/11
  • 14/11
  • 1 total stop
  • 13h 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 1 September 2025.

Fri 14/1119:00DUB - BFS
1 stop13h 25mMultiple Airlines
Sat 15/1112:45BFS - DUB
1 stop10h 30mMultiple Airlines
Deal found 30/8£95
Wed 1/1006:30DUB - BFS
1 stop8h 30mMultiple Airlines
Wed 8/1015:25BFS - DUB
1 stop6h 55mMultiple Airlines
Deal found 30/8£103
Wed 22/1006:30DUB - BFS
1 stop3h 55mMultiple Airlines
Sun 26/1023:05BFS - DUB
1 stop12h 00mMultiple Airlines
Deal found 29/8£115
Sun 28/912:40DUB - BFS
1 stop9h 50mMultiple Airlines
Sun 5/1022:55BFS - DUB
1 stop10h 00mMultiple Airlines
Deal found 31/8£115
Sun 12/1006:30DUB - BFS
1 stop9h 00mMultiple Airlines
Mon 20/1008:10BFS - DUB
1 stop13h 55mMultiple Airlines
Deal found 30/8£118
Sat 25/1020:00DUB - BFS
1 stop17h 00mMultiple Airlines
Thu 30/1017:15BFS - DUB
1 stop5h 10mMultiple Airlines
Deal found 30/8£136
Sun 28/918:20DUB - BHD
1 stop13h 05mMultiple Airlines
Sun 5/1010:20BHD - DUB
1 stop6h 40mMultiple Airlines
Deal found 31/8£141
Wed 22/1015:55DUB - BHD
1 stop5h 15mMultiple Airlines
Sun 26/1006:55BHD - DUB
1 stop4h 35mMultiple Airlines
Deal found 29/8£143
Fri 14/1112:25DUB - BHD
1 stop4h 55mMultiple Airlines
Sat 15/1114:15BHD - DUB
1 stop5h 20mMultiple Airlines
Deal found 30/8£147
Sat 27/906:30DUB - BHD
1 stop6h 20mAer Lingus
Sun 5/1011:00BHD - DUB
1 stop9h 55mAer Lingus
Deal found 30/8£158
Sat 25/1014:00DUB - BHD
1 stop3h 20mMultiple Airlines
Thu 30/1010:35BHD - DUB
1 stop4h 20mMultiple Airlines
Deal found 30/8£163
Mon 1/906:40DUB - BFS
1 stop9h 15mMultiple Airlines
Wed 10/917:05BFS - DUB
1 stop3h 50mMultiple Airlines
Deal found 30/8£165

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 1 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 14/11

19:00-08:25

1 stop13h 25m

Belfast Intl

Sat 15/11

12:45-23:15

1 stop10h 30m

£95

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 1/10

06:30-15:00

1 stop8h 30m

Belfast Intl

Wed 8/10

15:25-22:20

1 stop6h 55m

£103

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 22/10

06:30-10:25

1 stop3h 55m

Belfast Intl

Sun 26/10

23:05-11:05

1 stop12h 00m

£115

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 28/9

12:40-22:30

1 stop9h 50m

Belfast Intl

Sun 5/10

22:55-08:55

1 stop10h 00m

£115

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 12/10

06:30-15:30

1 stop9h 00m

Belfast Intl

Mon 20/10

08:10-22:05

1 stop13h 55m

£118

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 25/10

20:00-13:00

1 stop17h 00m

Belfast Intl

Thu 30/10

17:15-22:25

1 stop5h 10m

£136

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 28/9

18:20-07:25

1 stop13h 05m

Belfast City

Sun 5/10

10:20-17:00

1 stop6h 40m

£141

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Wed 22/10

15:55-21:10

1 stop5h 15m

Belfast City

Sun 26/10

06:55-11:30

1 stop4h 35m

£143

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 14/11

12:25-17:20

1 stop4h 55m

Belfast City

Sat 15/11

14:15-19:35

1 stop5h 20m

£147

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

06:30-12:50

1 stop6h 20m

Belfast City

Sun 5/10

11:00-20:55

1 stop9h 55m

£158

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 24 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 1 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.

  • How long is the flight from Dublin to Belfast?

    Aer Lingus can get you from Dublin to Belfast in just under 6h 20m. Your travel time can differ by up to . Dublin and Belfast are separated by a distance of 84 mi.

  • 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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