Find flights
When to book
FAQs

Cheap flights from Dublin to Belfast from £42

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
11 Mar — 18 Mar1
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 9 February 2026.

Thu 5/316:30
DUB
-
BFS
1 stop6h 20m
Multiple Airlines
Mon 9/322:20
BFS
-
DUB
1 stop9h 30m
Multiple Airlines
Deal found 6/2£73
Wed 25/306:45
DUB
-
BFS
1 stop3h 35m
Multiple Airlines
Wed 1/407:30
BFS
-
DUB
1 stop7h 20m
Multiple Airlines
Deal found 8/2£79
Sat 28/218:45
DUB
-
BFS
1 stop14h 05m
Multiple Airlines
Mon 2/318:50
BFS
-
DUB
1 stop13h 00m
Multiple Airlines
Deal found 6/2£83
Fri 6/315:00
DUB
-
BFS
1 stop5h 25m
Multiple Airlines
Fri 13/321:05
BFS
-
DUB
1 stop10h 10m
Multiple Airlines
Deal found 6/2£88
Tue 24/306:10
DUB
-
BFS
1 stop7h 00m
Multiple Airlines
Tue 31/307:00
BFS
-
DUB
1 stop3h 25m
Multiple Airlines
Deal found 7/2£89
Mon 9/318:45
DUB
-
BFS
1 stop14h 20m
Multiple Airlines
Mon 16/307:00
BFS
-
DUB
1 stop10h 05m
Multiple Airlines
Deal found 8/2£90
Mon 9/222:55
DUB
-
BFS
1 stop10h 00m
Multiple Airlines
Mon 16/207:50
BFS
-
DUB
1 stop12h 40m
Multiple Airlines
Deal found 8/2£104
Tue 10/313:05
DUB
-
BHD
1 stop3h 40m
Multiple Airlines
Tue 17/317:20
BHD
-
DUB
1 stop6h 20m
Multiple Airlines
Deal found 8/2£104
Sat 28/205:55
DUB
-
BFS
1 stop3h 05m
Multiple Airlines
Sat 28/223:10
BFS
-
DUB
1 stop8h 40m
Multiple Airlines
Deal found 6/2£108
Sat 28/205:45
DUB
-
BHD
1 stop7h 05m
Multiple Airlines
Sat 28/217:55
BHD
-
DUB
1 stop4h 00m
Multiple Airlines
Deal found 6/2£120
Sat 28/205:45
DUB
-
BHD
1 stop7h 30m
Multiple Airlines
Mon 2/317:05
BHD
-
DUB
1 stop7h 45m
Multiple Airlines
Deal found 6/2£123
Mon 9/319:30
DUB
-
BHD
1 stop13h 25m
Multiple Airlines
Mon 16/310:15
BHD
-
DUB
1 stop11h 45m
Multiple Airlines
Deal found 8/2£126

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 9 February 2026.

Round-trip from

£73

One-way from

£42
5/3-9/3
  • 5/3-9/3
  • 2 total stops
  • 15h 50m total
  • Dublin to Belfast
Search Deals
4/4
  • 4/4
  • 1 total stop
  • 3h 40m 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 9 February 2026.
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

Thu 5/3

16:30-22:50

1 stop6h 20m

Belfast Intl

Mon 9/3

07:50-12:50

1 stop5h 00m

£78

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 25/3

06:45-10:20

1 stop3h 35m

Belfast Intl

Wed 1/4

07:30-14:50

1 stop7h 20m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 28/2

18:45-08:50

1 stop14h 05m

Belfast Intl

Mon 2/3

18:50-07:50

1 stop13h 00m

£83

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 6/3

15:00-20:25

1 stop5h 25m

Belfast Intl

Fri 13/3

21:05-07:15

1 stop10h 10m

£88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 24/3

06:10-13:10

1 stop7h 00m

Belfast Intl

Tue 31/3

07:00-10:25

1 stop3h 25m

£89

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 9/3

18:45-09:05

1 stop14h 20m

Belfast Intl

Mon 16/3

07:00-17:05

1 stop10h 05m

£90

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Tue 10/3

13:05-16:45

1 stop3h 40m

Belfast City

Tue 17/3

17:20-23:40

1 stop6h 20m

£104

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 28/2

05:55-09:00

1 stop3h 05m

Belfast Intl

Sat 28/2

23:10-07:50

1 stop8h 40m

£108

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 28/2

05:45-12:50

1 stop7h 05m

Belfast City

Sat 28/2

17:55-21:55

1 stop4h 00m

£120

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 28/2

05:45-13:15

1 stop7h 30m

Belfast City

Mon 2/3

17:05-00:50

1 stop7h 45m

£123

Flights are sorted by cheapest return flights first.

Deals found on 7/2

Showing 1-10 of 30 results
1
2
3

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.