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.

£42+ 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.

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Best

Last-minute

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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 4 October 2026.

Thu 12/1117:20 -

1 stop6h 05m

Mon 16/1106:15 -

1 stop5h 30m

Deal found 3/10£76

Fri 13/1108:25 -

1 stop9h 45m

Mon 16/1122:00 -

1 stop9h 55m

Deal found 29/9£82

Sat 17/1014:45 -

1 stop5h 50m

Mon 19/1015:40 -

1 stop5h 50m

Deal found 3/10£82

Sat 14/1115:25 -

1 stop6h 20m

Sat 21/1113:35 -

1 stop5h 00m

Deal found 30/9£83

Sat 31/1023:00 -

1 stop9h 25m

Sat 7/1121:30 -

1 stop9h 55m

Deal found 3/10£91

Fri 13/1117:25 -

1 stop6h 00m

Fri 20/1116:30 -

1 stop3h 20m

Deal found 29/9£92

Find flight deals from Belfast Intl to Dublin

Round-trip from	£76
One-way from	£42

5/11-9/11
2 total stops
12h 15m total
Belfast to Dublin

Search Deals

14/11-31/12
1 total stop
6h 20m 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

Sat 14/11

15:25-21:45

1 stop6h 20m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£42

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 10/10

08:45-20:35

1 stop11h 50m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

Fastest return journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 26/12

20:35-00:05

1 stop3h 30m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 23/12

21:25-08:35

1 stop11h 10m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 12/11

14:40-20:25

1 stop5h 45m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 3/3

10:40-18:20

1 stop7h 40m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£70

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 12/11

17:20-23:25

1 stop6h 05m

Dublin

Mon 16/11

06:15-11:45

1 stop5h 30m

£76

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Thu 5/11

09:25-16:10

1 stop6h 45m

Dublin

Mon 9/11

06:15-11:45

1 stop5h 30m

£76

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Tue 17/11

20:55-07:00

1 stop10h 05m

Dublin

Tue 24/11

07:25-19:10

1 stop11h 45m

£78

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Mon 16/11

06:05-17:25

1 stop11h 20m

Dublin

Mon 23/11

08:20-20:35

1 stop12h 15m

£81

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 11 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 £42

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/11. 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 4 October 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 4 October 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 4 October 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 4 October 2026.

Last-minute flights from Belfast Intl to DublinDiscover last-minute flight deals from Belfast Intl to Dublin. Data last updated 4 October 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Dublin. Data last updated 4 October 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 4 October 2026.

Search for one-way flight options from Belfast Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 4 October 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

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

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 4 October 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 4 October 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 4 October 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 4 October 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 4 October 2026.

Last-minute flights from Belfast Intl to Dublin
Discover last-minute flight deals from Belfast Intl to Dublin. Data last updated 4 October 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 4 October 2026.