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

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Ireland (average of £71). Flying from Belfast Intl Airport to Ireland in August is currently the most expensive (average of £93). 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.

In terms of precipitation, rainfall in Ireland 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 Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, 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 are the most popular routes from Belfast Intl Airport to Ireland?

While some choose either Belfast Intl - Cork or Belfast Intl - Shannon, Belfast Intl - Dublin is the most popular route from Belfast Intl Airport to Ireland.

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

When flying from Belfast Intl Airport to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Belfast Intl to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£50+ Cheap Flights from Belfast Intl Airport to Ireland

Cheap flight deals from Belfast Intl to Ireland

Round-trip from	£94
One-way from	£50

2/10-6/10
2 total stops
30h 05m total
Belfast to Ireland

Search Deals

16/9
1 total stop
7h 30m total
Belfast to Ireland

Search Deals

Find flight deals from Belfast Intl to Ireland

Cheapest flights from Belfast Intl to Ireland
Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Thu 2/1007:00BFS - DUB

1 stop14h 15mMultiple Airlines

Mon 6/1006:30DUB - BFS

1 stop15h 50mMultiple Airlines

Deal found 19/8£94

Wed 10/908:10BFS - DUB

1 stop7h 10mMultiple Airlines

Mon 15/914:25DUB - BFS

1 stop7h 25mMultiple Airlines

Deal found 17/8£100

Wed 1/1007:25BFS - DUB

1 stop8h 45mMultiple Airlines

Wed 8/1015:15DUB - BFS

1 stop6h 15mMultiple Airlines

Deal found 17/8£100

Mon 15/907:15BFS - DUB

1 stop8h 05mMultiple Airlines

Mon 22/915:40DUB - BFS

1 stop6h 10mMultiple Airlines

Deal found 18/8£101

Thu 2/1010:30BFS - ORK

1 stop3h 55mMultiple Airlines

Thu 9/1011:30ORK - BFS

1 stop4h 00mMultiple Airlines

Deal found 18/8£103

Fri 26/907:35BFS - SNN

1 stop7h 35mMultiple Airlines

Mon 29/916:05SNN - BFS

1 stop6h 15mMultiple Airlines

Deal found 19/8£103

Fri 19/916:40BFS - DUB

1 stop8h 15mMultiple Airlines

Sun 21/906:20DUB - BFS

1 stop4h 40mMultiple Airlines

Deal found 18/8£104

Fri 3/1021:40BFS - DUB

1 stop10h 15mMultiple Airlines

Fri 10/1006:30DUB - BFS

1 stop11h 45mMultiple Airlines

Deal found 19/8£109

Wed 1/1020:30BFS - ORK

1 stop12h 35mMultiple Airlines

Wed 8/1021:30ORK - BFS

1 stop10h 10mMultiple Airlines

Deal found 17/8£109

Sun 14/922:55BFS - DUB

1 stop10h 00mMultiple Airlines

Sun 21/920:20DUB - BFS

1 stop11h 50mMultiple Airlines

Deal found 17/8£114

Mon 6/1023:45BFS - ORK

1 stop9h 15mMultiple Airlines

Mon 13/1015:35ORK - BFS

1 stop5h 55mMultiple Airlines

Deal found 18/8£117

Sun 26/1023:05BFS - DUB

1 stop8h 55mMultiple Airlines

Tue 4/1118:25DUB - BFS

1 stop15h 55mMultiple Airlines

Deal found 19/8£118

Best flights from Belfast Intl to Ireland
Discover carefully curated flight deals from Belfast Intl to Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 August 2025.

Thu 2/1007:00BFS - DUB

1 stop14h 15mMultiple Airlines

Mon 6/1006:30DUB - BFS

1 stop15h 50mMultiple Airlines

Deal found 19/8£94

Sat 27/908:35BFS - ORK

1 stop13h 50mRyanair

Sat 4/1022:50ORK - BFS

1 stop8h 00mRyanair

Deal found 17/8£120

Wed 10/908:10BFS - DUB

1 stop7h 10mMultiple Airlines

Mon 15/914:25DUB - BFS

1 stop7h 25mMultiple Airlines

Deal found 17/8£100

Wed 1/1007:25BFS - DUB

1 stop8h 45mMultiple Airlines

Wed 8/1015:15DUB - BFS

1 stop6h 15mMultiple Airlines

Deal found 17/8£100

Mon 15/907:15BFS - DUB

1 stop8h 05mMultiple Airlines

Mon 22/915:40DUB - BFS

1 stop6h 10mMultiple Airlines

Deal found 18/8£101

Thu 2/1006:00BFS - ORK

1 stop14h 30mRyanair

Thu 9/1020:55ORK - BFS

1 stop13h 05mRyanair

Deal found 18/8£129

Thu 2/1010:30BFS - ORK

1 stop3h 55mMultiple Airlines

Thu 9/1011:30ORK - BFS

1 stop4h 00mMultiple Airlines

Deal found 18/8£103

Fri 26/907:35BFS - SNN

1 stop7h 35mMultiple Airlines

Mon 29/916:05SNN - BFS

1 stop6h 15mMultiple Airlines

Deal found 19/8£103

Fri 19/916:40BFS - DUB

1 stop8h 15mMultiple Airlines

Sun 21/906:20DUB - BFS

1 stop4h 40mMultiple Airlines

Deal found 18/8£104

Thu 2/1016:00BFS - DUB

1 stop4h 55mMultiple Airlines

Thu 9/1007:40DUB - BFS

1 stop7h 50mMultiple Airlines

Deal found 18/8£106

Fri 3/1021:40BFS - DUB

1 stop10h 15mMultiple Airlines

Fri 10/1006:30DUB - BFS

1 stop11h 45mMultiple Airlines

Deal found 19/8£109

Wed 1/1020:30BFS - ORK

1 stop12h 35mMultiple Airlines

Wed 8/1021:30ORK - BFS

1 stop10h 10mMultiple Airlines

Deal found 17/8£109

Last-minute flights from Belfast Intl to Ireland
Discover last-minute flight deals from Belfast Intl to Ireland. Data last updated 19 August 2025 and is based on user searches.

Wed 20/821:10BFS - ORK

1 stop11h 55mMultiple Airlines

Wed 27/821:30ORK - BFS

1 stop10h 10mMultiple Airlines

Deal found 19/8£245

Sun 24/806:45BFS - DUB

1 stop4h 10mMultiple Airlines

Mon 25/807:10DUB - BFS

1 stop15h 50mMultiple Airlines

Deal found 17/8£228

Fri 29/808:35BFS - ORK

1 stop22h 30mMultiple Airlines

Thu 4/911:50ORK - BFS

1 stop10h 25mMultiple Airlines

Deal found 18/8£163

Thu 4/908:10BFS - DUB

1 stop12h 45mMultiple Airlines

Sun 7/907:45DUB - BFS

1 stop24h 05mMultiple Airlines

Deal found 19/8£126

Wed 10/908:10BFS - DUB

1 stop7h 10mMultiple Airlines

Mon 15/914:25DUB - BFS

1 stop7h 25mMultiple Airlines

Deal found 17/8£100

Wed 10/913:55BFS - ORK

1 stop3h 05mMultiple Airlines

Sun 14/922:10ORK - BFS

1 stop9h 40mMultiple Airlines

Deal found 18/8£126

Sun 14/922:55BFS - DUB

1 stop10h 00mMultiple Airlines

Sun 21/920:20DUB - BFS

1 stop11h 50mMultiple Airlines

Deal found 17/8£114

Mon 15/907:15BFS - DUB

1 stop8h 05mMultiple Airlines

Mon 22/915:40DUB - BFS

1 stop6h 10mMultiple Airlines

Deal found 18/8£101

Fri 19/916:40BFS - DUB

1 stop8h 15mMultiple Airlines

Sun 21/906:20DUB - BFS

1 stop4h 40mMultiple Airlines

Deal found 18/8£104

Mon 22/922:45BFS - SNN

1 stop13h 50mMultiple Airlines

Mon 29/916:55SNN - BFS

1 stop6h 15mMultiple Airlines

Deal found 17/8£193

Fri 26/907:35BFS - SNN

1 stop7h 35mMultiple Airlines

Mon 29/916:05SNN - BFS

1 stop6h 15mMultiple Airlines

Deal found 19/8£103

Sat 27/919:35BFS - ORK

1 stop4h 40mMultiple Airlines

Sat 4/1022:50ORK - BFS

1 stop8h 00mMultiple Airlines

Deal found 17/8£120

One-way flights from Belfast Intl to Ireland
Search for one-way flight options from Belfast Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated 19 August 2025.

Tue 16/916:40BFS - SNN

1 stop7h 30mMultiple Airlines

Deal found 19/8£50

Mon 8/922:45BFS - DUB

1 stop11h 15mMultiple Airlines

Deal found 18/8£52

Tue 16/912:25BFS - DUB

1 stop4h 50mMultiple Airlines

Deal found 17/8£52

Mon 13/1022:45BFS - DUB

1 stop11h 15mMultiple Airlines

Deal found 17/8£54

Wed 1/1020:30BFS - ORK

1 stop12h 35mMultiple Airlines

Deal found 17/8£54

Fri 26/917:05BFS - ORK

1 stop3h 50mMultiple Airlines

Deal found 18/8£55

Thu 28/808:15BFS - DUB

1 stop6h 35mMultiple Airlines

Deal found 18/8£62

Fri 29/808:35BFS - DUB

1 stop16h 20mMultiple Airlines

Deal found 18/8£68

Sun 15/218:15BFS - DUB

1 stop26h 20mMultiple Airlines

Deal found 18/8£81

Sun 24/822:55BFS - DUB

1 stop25h 45mMultiple Airlines

Deal found 19/8£104

Sat 30/805:45BFS - ORK

2 stops9h 20mMultiple Airlines

Deal found 17/8£115

Sun 31/822:10BFS - SNN

1 stop13h 10mMultiple Airlines

Deal found 18/8£228

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 2/10

07:00-21:15

1 stop14h 15m

Dublin

Mon 6/10

06:30-22:20

1 stop15h 50m

£94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/9

08:10-15:20

1 stop7h 10m

Dublin

Mon 15/9

14:25-21:50

1 stop7h 25m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/10

07:25-16:10

1 stop8h 45m

Dublin

Wed 8/10

15:15-21:30

1 stop6h 15m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 15/9

07:15-15:20

1 stop8h 05m

Dublin

Mon 22/9

15:40-21:50

1 stop6h 10m

£101

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 2/10

10:30-14:25

1 stop3h 55m

Cork

Thu 9/10

11:30-15:30

1 stop4h 00m

£103

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Fri 26/9

07:35-15:10

1 stop7h 35m

Shannon

Mon 29/9

16:05-22:20

1 stop6h 15m

£103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 19/9

16:40-00:55

1 stop8h 15m

Dublin

Sun 21/9

06:20-11:00

1 stop4h 40m

£104

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 2/10

16:00-20:55

1 stop4h 55m

Dublin

Thu 9/10

07:40-15:30

1 stop7h 50m

£106

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 3/10

21:40-07:55

1 stop10h 15m

Dublin

Fri 10/10

06:30-18:15

1 stop11h 45m

£109

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Wed 1/10

20:30-09:05

1 stop12h 35m

Cork

Wed 8/10

21:30-07:40

1 stop10h 10m

£109

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 29 results

Best time to book a flight from Belfast Intl to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Ireland

No data available for this route at this time. Please check back soon.

Related info for your journey

What are the most popular routes from Belfast Intl Airport to Ireland?
While some choose either Belfast Intl - Cork or Belfast Intl - Shannon, Belfast Intl - Dublin is the most popular route from Belfast Intl Airport to Ireland.
Can I find deals for flights from Belfast Intl to Ireland that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Ireland.
Can I find deals for business class flights from Belfast Intl to Ireland?
Yes. Cheapflights offers flight deals from Belfast Intl to Ireland 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 Ireland?
Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Ireland (average of £71). Flying from Belfast Intl Airport to Ireland in August is currently the most expensive (average of £93). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Belfast Intl to Ireland

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

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 Ireland from Belfast Intl today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Ireland from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Ireland 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 Ireland become cheaper?

Yes! Start tracking prices for Belfast Intl to Ireland 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 Ireland from £50

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Ireland

Keep the following information in mind while searching for Belfast Intl to Ireland flight deals. Data was last updated 19 August 2025.

Round-trip from

One-way from

Find flight deals from Belfast Intl to Ireland

Cheapest flights from Belfast Intl to IrelandExplore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Ireland

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

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Ireland

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most popular routes from Belfast Intl Airport to Ireland?

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

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

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

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

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 Ireland

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 Ireland?

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

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

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

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Cheapest flights from Belfast Intl to Ireland
Explore the most affordable flight options available from Belfast Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.