Find flights
When to book
Airlines
FAQs

Cheap flights from Dublin to Belfast from £66

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BHD
26 Mar — 2 Apr1
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 21 March 2025.

Round-trip from

£92

One-way from

£66
7/5-9/5
  • 7/5-9/5
  • 2 total stops
  • 42h 15m total
  • Dublin to Belfast
Search Deals
26/7
  • 26/7
  • 1 total stop
  • 24h 25m 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 21 March 2025.

Wed 7/513:50DUB - BFS
1 stop25h 40mMultiple Airlines
Fri 9/507:35BFS - DUB
1 stop16h 35mMultiple Airlines
Deal found 21/3£92
Mon 5/507:25DUB - BFS
1 stop4h 45mRyanair
Mon 12/512:35BFS - DUB
1 stop7h 25mRyanair
Deal found 21/3£111
Mon 12/512:45DUB - BHD
1 stop21h 25mMultiple Airlines
Mon 19/509:50BHD - DUB
1 stop24h 25mMultiple Airlines
Deal found 20/3£123
Thu 17/406:40DUB - BHD
1 stop6h 00mAer Lingus
Thu 24/410:20BHD - DUB
1 stop4h 25mAer Lingus
Deal found 20/3£137
Sun 12/1020:25DUB - BHD
1 stop12h 40mBritish Airways
Tue 14/1020:20BHD - DUB
1 stop11h 20mBritish Airways
Deal found 21/3£170
Fri 16/512:20DUB - BHD
1 stop23h 10mLoganair
Sat 24/512:00BHD - DUB
1 stop23h 45mLoganair
Deal found 21/3£323

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 21 March 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

Wed 7/5

13:50-15:30

1 stop25h 40m

Belfast Intl

Fri 9/5

07:35-00:10

1 stop16h 35m

£92

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 5/5

07:25-12:10

1 stop4h 45m

Belfast Intl

Mon 12/5

12:35-20:00

1 stop7h 25m

£111

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 12/5

12:45-10:10

1 stop21h 25m

Belfast City

Mon 19/5

09:50-10:15

1 stop24h 25m

£123

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Thu 17/4

06:40-12:40

1 stop6h 00m

Belfast City

Thu 24/4

10:20-14:45

1 stop4h 25m

£137

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 12/5

20:55-08:50

1 stop11h 55m

Belfast City

Mon 19/5

19:30-07:45

1 stop12h 15m

£179

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Fri 16/5

12:20-11:30

1 stop23h 10m

Belfast City

Sat 24/5

12:00-11:45

1 stop23h 45m

£323

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 26/7

22:05-22:30

1 stop24h 25m

£66

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 26/7

21:10-16:05

1 stop18h 55m

£69

Flights are sorted by cheapest return flights first.

Deals found on 20/3

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

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 21 March 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.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 21 March 2025.
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Boarding

7.2

Comfort

7.0

Crew

7.9

Overall

7.0

Entertainment

6.7

Food

6.4

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.0
Good
1,063 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Boarding

7.2

Comfort

7.0

Crew

7.9

Overall

7.0

Entertainment

6.7

Food

6.4

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Ryanair
6.8
Okay
5,000 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Boarding

7.2

Comfort

7.0

Crew

7.9

Overall

7.0

Entertainment

6.7

Food

6.4

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
British Airways
6.6
Okay
6,711 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Boarding

7.2

Comfort

7.0

Crew

7.9

Overall

7.0

Entertainment

6.7

Food

6.4

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

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.

  • What are the cheapest airlines flying from Dublin to Belfast round-trip?

    Our cheapest airline available from Dublin to Belfast is Ryanair. Our recent data shows that you can find tickets from as low as £111 on this airline. Additional options worth looking into are Aer Lingus and British Airways, starting at £137 and £179 round-trip.

  • 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

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.