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Cheap flights from Belfast to Dublin from £104

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Belfast to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Dublin (DUB). 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 15 April 2025.

Round-trip from

£104
12/5-19/5
  • 12/5-19/5
  • 2 total stops
  • 18h 50m total
  • Belfast to Dublin
Search Deals

Find flight deals from Belfast to Dublin

Cheapest flights from Belfast to Dublin
Explore the most affordable flight options available from Belfast to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Thu 22/506:00BFS - DUB
1 stop4h 40mMultiple Airlines
Sun 25/522:20DUB - BFS
1 stop25h 00mMultiple Airlines
Deal found 13/4£109
Mon 12/507:55BHD - DUB
1 stop24h 40mMultiple Airlines
Mon 19/518:20DUB - BHD
1 stop15h 50mMultiple Airlines
Deal found 14/4£130
Sat 17/509:50BHD - DUB
1 stop8h 05mAer Lingus
Mon 19/506:30DUB - BHD
1 stop6h 20mAer Lingus
Deal found 14/4£159
Sat 17/519:00BHD - DUB
1 stop14h 35mBritish Airways
Mon 19/520:55DUB - BHD
1 stop11h 55mBritish Airways
Deal found 14/4£204

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast to Dublin 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 15 April 2025.
Use the filters below to find and compare flights from Belfast to Dublin that are best for you.

Fly from

Belfast

Fly to

Dublin

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/5

06:00-10:40

1 stop4h 40m

Dublin

Sun 25/5

22:20-23:20

1 stop25h 00m

£109

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Mon 12/5

07:55-08:35

1 stop24h 40m

Dublin

Mon 19/5

18:20-10:10

1 stop15h 50m

£130

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 17/5

09:50-17:55

1 stop8h 05m

Dublin

Mon 19/5

06:30-12:50

1 stop6h 20m

£159

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 17/5

19:00-09:35

1 stop14h 35m

Dublin

Mon 19/5

20:55-08:50

1 stop11h 55m

£204

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 24/5

17:50-21:45

1 stop3h 55m

£139

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 24/5

08:45-13:35

1 stop4h 50m

£157

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 24/5

19:00-09:10

2 stops14h 10m

£161

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Best time to book a flight from Belfast to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Belfast 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 Belfast to Dublin

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

Find hourly flight availability from Belfast to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

One of the essential ways to save on airfare from Belfast to Dublin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 11% on airfare.

Rainfall in Dublin by month

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

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Temperature in Dublin by month

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

If weather is an important factor for your trip to Dublin, 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 Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 15 April 2025.
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Comfort

7.0

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible
Aer Lingus
7.0
Good
1,063 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Comfort

7.0

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible
British Airways
6.6
Okay
6,756 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Comfort

7.0

Food

6.4

Boarding

7.2

Entertainment

6.7

Overall

7.0

Crew

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible

Related info for your journey

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

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Belfast to Dublin. 1 airline have flights to Dublin from Belfast on a regular basis. Booking flights from Belfast to Dublin should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

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

    Flying on Aer Lingus is currently your cheapest option to Dublin, with prices starting at £159. Another option worth looking into is British Airways, starting at £204 return.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast to Dublin 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 Belfast to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Belfast to Dublin (average of £71). Flying from Belfast to Dublin in May is currently the most expensive (average of £99). 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

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Wicklow
Bray
Drogheda
Tullamore
Malahide
Portmarnock
Athlone
Carlingford
Cavan
Kildare
Mullingar
Enniscorthy
Dundalk
Arklow
Maynooth
Swords
Castleknock
Naas

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.

Top airline flying from Belfast to Dublin

Discover the top airline that operate flights from Belfast to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£61Average£124FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Dublin for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Belfast to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dublin from Belfast today and book when prices fit your budget.

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