What is the cheapest month to book a flight from Belfast Intl Airport to Dublin?

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Dublin (average of £71). Flying from Belfast Intl Airport to Dublin in August is currently the most expensive (average of £94). 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 day to fly from Belfast Intl Airport to Dublin?

Travellers seeking maximum savings on their Belfast Intl Airport to Dublin flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

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

One of the essential ways to save on airfare from Belfast Intl Airport 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 10% on airfare.

What airport do you fly into for flights to Dublin from Belfast Intl?

Most people fly into Dublin (DUB) if they book a flight to Dublin from Belfast Intl. On average, Dublin has 0 inbound flights from Belfast Intl per day from 0 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Belfast Intl 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.

£53+ Cheap Flights from Belfast Intl Airport to Dublin

Cheap flight deals from Belfast Intl to Dublin

Round-trip from	£100
One-way from	£53

14/10-21/10
2 total stops
15h 50m total
Belfast to Dublin

Search Deals

15/10
1 total stop
12h 00m total
Belfast to Dublin

Search Deals

Find flight deals from Belfast Intl to Dublin

Cheapest flights from Belfast Intl to Dublin
Explore the most affordable flight options available from Belfast Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Tue 14/1007:45BFS - DUB

1 stop10h 45mMultiple Airlines

Tue 21/1006:50DUB - BFS

1 stop5h 05mMultiple Airlines

Deal found 30/8£100

Tue 21/1006:45BFS - DUB

1 stop6h 50mMultiple Airlines

Thu 30/1008:30DUB - BFS

1 stop7h 40mMultiple Airlines

Deal found 31/8£104

Wed 12/1108:50BFS - DUB

1 stop5h 05mMultiple Airlines

Wed 12/1120:00DUB - BFS

1 stop13h 20mMultiple Airlines

Deal found 30/8£105

Tue 30/912:25BFS - DUB

1 stop9h 05mMultiple Airlines

Tue 7/1014:05DUB - BFS

1 stop8h 35mMultiple Airlines

Deal found 30/8£108

Wed 22/1007:15BFS - DUB

1 stop5h 10mMultiple Airlines

Mon 27/1021:40DUB - BFS

1 stop11h 30mMultiple Airlines

Deal found 1/9£110

Thu 2/1006:35BFS - DUB

1 stop7h 15mMultiple Airlines

Mon 6/1016:00DUB - BFS

1 stop5h 05mMultiple Airlines

Deal found 30/8£113

Wed 15/1021:50BFS - DUB

1 stop12h 00mMultiple Airlines

Wed 22/1015:30DUB - BFS

1 stop4h 00mMultiple Airlines

Deal found 31/8£114

Tue 4/1105:45BFS - DUB

1 stop4h 05mMultiple Airlines

Wed 5/1106:45DUB - BFS

1 stop3h 35mMultiple Airlines

Deal found 30/8£118

Sat 11/1008:45BFS - DUB

1 stop4h 50mMultiple Airlines

Mon 13/1006:30DUB - BFS

1 stop3h 15mMultiple Airlines

Deal found 30/8£125

Sat 1/1105:45BFS - DUB

1 stop4h 05mMultiple Airlines

Sun 2/1105:30DUB - BFS

1 stop5h 30mMultiple Airlines

Deal found 31/8£126

Best flights from Belfast Intl to Dublin
Discover carefully curated flight deals from Belfast Intl to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2025.

Tue 14/1007:45BFS - DUB

1 stop10h 45mMultiple Airlines

Tue 21/1006:50DUB - BFS

1 stop5h 05mMultiple Airlines

Deal found 30/8£100

Tue 21/1006:45BFS - DUB

1 stop6h 50mMultiple Airlines

Thu 30/1008:30DUB - BFS

1 stop7h 40mMultiple Airlines

Deal found 31/8£104

Wed 12/1108:50BFS - DUB

1 stop5h 05mMultiple Airlines

Wed 12/1120:00DUB - BFS

1 stop13h 20mMultiple Airlines

Deal found 30/8£105

Tue 30/912:25BFS - DUB

1 stop9h 05mMultiple Airlines

Tue 7/1014:05DUB - BFS

1 stop8h 35mMultiple Airlines

Deal found 30/8£108

Thu 2/1006:35BFS - DUB

1 stop7h 15mMultiple Airlines

Mon 6/1016:00DUB - BFS

1 stop5h 05mMultiple Airlines

Deal found 30/8£113

Wed 15/1021:50BFS - DUB

1 stop12h 00mMultiple Airlines

Wed 22/1015:30DUB - BFS

1 stop4h 00mMultiple Airlines

Deal found 31/8£114

Tue 4/1105:45BFS - DUB

1 stop4h 05mMultiple Airlines

Wed 5/1106:45DUB - BFS

1 stop3h 35mMultiple Airlines

Deal found 30/8£118

Sat 11/1008:45BFS - DUB

1 stop4h 50mMultiple Airlines

Mon 13/1006:30DUB - BFS

1 stop3h 15mMultiple Airlines

Deal found 30/8£125

Sat 1/1105:45BFS - DUB

1 stop4h 05mMultiple Airlines

Sun 2/1105:30DUB - BFS

1 stop5h 30mMultiple Airlines

Deal found 30/8£126

One-way flights from Belfast Intl to Dublin
Search for one-way flight options from Belfast Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 1 September 2025.

Wed 15/1021:50BFS - DUB

1 stop12h 00mMultiple Airlines

Deal found 31/8£53

Sun 26/1023:05BFS - DUB

1 stop12h 00mMultiple Airlines

Deal found 31/8£55

Fri 24/1008:05BFS - DUB

1 stop16h 15mRyanair

Deal found 31/8£58

Mon 15/908:10BFS - DUB

1 stop7h 10mMultiple Airlines

Deal found 31/8£64

Wed 10/922:05BFS - DUB

1 stop16h 25mMultiple Airlines

Deal found 31/8£65

Sun 7/914:55BFS - DUB

2 stops18h 15mMultiple Airlines

Deal found 31/8£265

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 14/10

07:45-18:30

1 stop10h 45m

Dublin

Tue 21/10

06:50-11:55

1 stop5h 05m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 21/10

06:45-13:35

1 stop6h 50m

Dublin

Thu 30/10

08:30-16:10

1 stop7h 40m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 12/11

08:50-13:55

1 stop5h 05m

Dublin

Wed 12/11

20:00-09:20

1 stop13h 20m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 30/9

12:25-21:30

1 stop9h 05m

Dublin

Tue 7/10

14:05-22:40

1 stop8h 35m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 2/10

06:35-13:50

1 stop7h 15m

Dublin

Mon 6/10

16:00-21:05

1 stop5h 05m

£113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/10

21:50-09:50

1 stop12h 00m

Dublin

Wed 22/10

15:30-19:30

1 stop4h 00m

£114

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 4/11

05:45-09:50

1 stop4h 05m

Dublin

Wed 5/11

06:45-10:20

1 stop3h 35m

£118

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 11/10

08:45-13:35

1 stop4h 50m

Dublin

Mon 13/10

06:30-09:45

1 stop3h 15m

£125

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/11

05:45-09:50

1 stop4h 05m

Dublin

Sun 2/11

05:30-11:00

1 stop5h 30m

£126

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/10

21:50-09:50

1 stop12h 00m

£53

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 16 results

Best time to book a flight from Belfast Intl to Dublin

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

Related info for your journey

What airport do you fly into for flights to Dublin from Belfast Intl?
Most people fly into Dublin (DUB) if they book a flight to Dublin from Belfast Intl. On average, Dublin has 0 inbound flights from Belfast Intl per day from 0 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.
Can I find deals for flights from Belfast Intl to Dublin that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Dublin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Dublin.
Can I find deals for business class flights from Belfast Intl to Dublin?
Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl Airport to Dublin?
Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Dublin (average of £71). Flying from Belfast Intl Airport to Dublin in August is currently the most expensive (average of £94). 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

Wicklow

Athlone

Tullamore

Bray

Cavan

Drogheda

Malahide

Portmarnock

Enniscorthy

Dundalk

Mullingar

Arklow

Carlingford

Kildare

Maynooth

Swords

Castleknock

Naas

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Alternative routes for Belfast Intl to Dublin

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Belfast City to Cork flights

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Belfast City to Shannon flights

Other flights to Dublin

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dublin from Belfast Intl today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to Dublin for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Dublin from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Belfast Intl to Dublin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Belfast Intl Airport to Dublin from £53

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Dublin

Round-trip from

One-way from

Find flight deals from Belfast Intl to Dublin

Cheapest flights from Belfast Intl to DublinExplore the most affordable flight options available from Belfast Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Explore the most affordable flight options available from Belfast Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to Dublin that are best for you.

Best time to book a flight from Belfast Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Belfast Intl with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Intl?

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

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

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

What is the cheapest month to book a flight from Belfast Intl Airport to Dublin?

Travelling to a place near Dublin?

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.

Alternative routes for Belfast Intl to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

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 Belfast Intl to Dublin?

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

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

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

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Cheapest flights from Belfast Intl to Dublin
Explore the most affordable flight options available from Belfast Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.