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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Dublin as you normally would.

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.

£39+ Cheap Flights from Belfast Intl Airport to Dublin

Cheap flight deals from Belfast Intl to Dublin

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 22 August 2026.

Thu 17/922:45 -

1 stop8h 30m

Thu 24/913:00 -

1 stop9h 20m

Deal found 20/8£71

Wed 16/915:40 -

1 stop4h 50m

Wed 23/906:30 -

1 stop8h 45m

Deal found 19/8£72

Tue 6/1016:40 -

1 stop4h 40m

Tue 13/1007:55 -

1 stop23h 10m

Deal found 22/8£73

Tue 15/907:35 -

1 stop6h 30m

Tue 22/920:15 -

1 stop10h 50m

Deal found 18/8£75

Fri 25/919:55 -

1 stop4h 15m

Sun 27/923:10 -

1 stop9h 05m

Deal found 19/8£76

Thu 3/912:45 -

1 stop10h 40m

Thu 10/921:30 -

1 stop11h 00m

Deal found 19/8£78

Tue 1/907:35 -

1 stop6h 30m

Mon 7/920:35 -

1 stop13h 25m

Deal found 17/8£78

Thu 1/1020:40 -

1 stop11h 15m

Mon 5/1020:35 -

1 stop13h 25m

Deal found 18/8£79

Mon 5/1018:50 -

1 stop12h 30m

Mon 12/1006:20 -

1 stop12h 05m

Deal found 21/8£81

Fri 18/919:20 -

1 stop5h 40m

Fri 25/912:35 -

1 stop6h 55m

Deal found 21/8£82

Find flight deals from Belfast Intl to Dublin

Round-trip from	£71
One-way from	£39

17/9-24/9
2 total stops
17h 50m total
Belfast to Dublin

Search Deals

30/9
1 total stop
5h 50m total
Belfast to Dublin

Search Deals

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

Cheapest return flight

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Fri 25/9

17:05-21:10

1 stop4h 05m

Dublin

Sun 27/9

23:10-08:15

1 stop9h 05m

£71

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 16/9

15:40-20:30

1 stop4h 50m

Dublin

Wed 23/9

06:30-15:15

1 stop8h 45m

£72

Fastest return journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 6/10

16:40-21:20

1 stop4h 40m

Dublin

Tue 13/10

11:30-16:15

1 stop4h 45m

£77

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 3/9

12:45-23:25

1 stop10h 40m

Dublin

Thu 10/9

21:30-08:30

1 stop11h 00m

£78

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 19/9

20:15-07:55

1 stop11h 40m

Dublin

Sat 26/9

06:55-21:15

1 stop14h 20m

£78

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 1/9

07:35-14:05

1 stop6h 30m

Dublin

Mon 7/9

20:35-10:00

1 stop13h 25m

£78

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 1/10

14:50-23:20

1 stop8h 30m

Dublin

Mon 5/10

06:30-12:20

1 stop5h 50m

£79

Cheapest one-way

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 30/9

15:40-21:30

1 stop5h 50m

£39

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 15/9

07:35-14:05

1 stop6h 30m

£44

Fastest single journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 3/10

15:20-19:05

1 stop3h 45m

£48

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 14 resultsSorted by cheapest first

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.

BFS-DUB

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.

See more FAQs

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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 £39

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 30/9. 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

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 22 August 2026.

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 22 August 2026.

Best flights from Belfast Intl to DublinDiscover 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 22 August 2026.

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 22 August 2026.

Last-minute flights from Belfast Intl to DublinDiscover last-minute flight deals from Belfast Intl to Dublin. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Dublin. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Belfast Intl to DublinSearch for one-way flight options from Belfast Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Belfast Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Find flight deals from Belfast Intl to Dublin

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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

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?

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

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Complete your trip

Complete your trip to Dublin by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Ireland

Book a non-stop flight to one of these other cities located in Ireland.

Other flights to Dublin

Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 August 2026.

Search flights from Belfast Intl to Dublin by cabin class

Find flights from Belfast Intl to Dublin, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast Intl and Dublin flights

Browse other Belfast Intl and Dublin flight options. Last updated on 22 August 2026.

Other flights from Belfast Intl

Browse through other flights departing from Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 22 August 2026.

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Check out other popular destinations found by fellow travellers in 2026

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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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Travel Smart

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 22 August 2026.

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 22 August 2026.

Last-minute flights from Belfast Intl to Dublin
Discover last-minute flight deals from Belfast Intl to Dublin. Data last updated 22 August 2026 and is based on user searches.

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 22 August 2026.