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Cheap flights from Belfast to Dublin from £63

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DUB
16 Feb — 23 Feb1
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 11 February 2025.

Round-trip from

£113

One-way from

£63

Popular in

January

Cheapest in

November

Average price

£165
2/7-9/7
  • 2/7-9/7
  • 2 total stops
  • 13h 40m total
  • Belfast to Dublin
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7/3
  • 7/3
  • 1 total stop
  • 7h 50m total
  • Belfast to Dublin
Search Deals
Highest demand for flights based on searches. 39% potential increase in price (£133 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease (£39 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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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 11 February 2025.

Wed 2/707:15BFS - DUB
1 stop5h 10mMultiple Airlines
Wed 9/706:30DUB - BFS
1 stop8h 30mMultiple Airlines
Deal found 10/2£113
Sat 1/306:00BFS - DUB
1 stop6h 05mRyanair
Mon 3/317:45DUB - BFS
1 stop4h 15mRyanair
Deal found 10/2£136
Sat 1/309:50BHD - DUB
1 stop10h 40mAer Lingus
Mon 3/306:40DUB - BHD
1 stop6h 10mAer Lingus
Deal found 10/2£148
Sat 1/317:20BHD - DUB
1 stop4h 45mKLM
Mon 3/308:50DUB - BHD
1 stop12h 10mKLM
Deal found 10/2£226
Sat 1/315:05BHD - DUB
2 stops24h 35mBritish Airways
Mon 3/313:00DUB - BHD
1 stop7h 15mBritish Airways
Deal found 10/2£249
Tue 11/206:40BHD - DUB
1 stop4h 30mMultiple Airlines
Wed 12/209:20DUB - BHD
1 stop7h 05mMultiple Airlines
Deal found 10/2£271

Find flights from Belfast to Dublin within your budget

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 11 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 2/7

07:15-12:25

1 stop5h 10m

Dublin

Wed 9/7

06:30-15:00

1 stop8h 30m

£113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/3

06:00-12:05

1 stop6h 05m

Dublin

Mon 3/3

17:45-22:00

1 stop4h 15m

£136

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 1/3

09:50-20:30

1 stop10h 40m

Dublin

Mon 3/3

06:40-12:50

1 stop6h 10m

£148

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 1/3

17:20-22:05

1 stop4h 45m

Dublin

Mon 3/3

08:50-21:00

1 stop12h 10m

£226

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 1/3

15:05-15:40

2 stops24h 35m

Dublin

Mon 3/3

13:00-20:15

1 stop7h 15m

£249

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 1/3

09:50-20:30

1 stop10h 40m

Dublin

Mon 3/3

09:20-18:25

2 stops9h 05m

£509

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 7/3

07:15-15:05

1 stop7h 50m

£63

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Fri 7/3

20:15-07:50

1 stop11h 35m

£78

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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.

Travel insights for flights from Belfast to Dublin

Get recent, data-driven insights about flights from Belfast to Dublin including ideal travel times, pricing trends, and more.

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 June is currently the most expensive (average of £104). 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.

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 11 February 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 11 February 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.1
Good
1,073 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,771 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Ryanair
6.1
Okay
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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. 2 airlines 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 Ryanair is currently your cheapest option to Dublin, with prices starting at £136. Additional return tickets that might be worth considering are offered by Aer Lingus and KLM, with the lowest prices starting at £148 and £226, respectively. These flights start at 47% lower than the current average price 3 months from now.

  • 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 June is currently the most expensive (average of £104). 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
Bray
Wicklow
Drogheda
Tullamore
Athlone
Carlingford
Malahide
Swords
Mullingar
Enniscorthy
Dundalk
Arklow
Cavan
Kildare
Castleknock
Naas
Portmarnock

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Belfast to Dublin

Discover the top 2 airlines 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 11 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£65Average£121FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£138Average£175FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Belfast to Dublin via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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