In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl Airport, 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 Ireland to Belfast Intl Airport?

The most popular route from Ireland to Belfast Intl Airport is Dublin - Belfast Intl. You may also consider Cork - Belfast Intl or Shannon - Belfast Intl.

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

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

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

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

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

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

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

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

£34+ Cheap Flights from Ireland to Belfast Intl Airport

Cheap flight deals from Ireland to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ireland to Belfast Intl
Explore the most affordable flight options available from Ireland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Sat 9/518:00

DUB

BFS

1 stop5h 20m

Multiple Airlines

Sat 16/511:10

BFS

DUB

1 stop8h 10m

Multiple Airlines

Deal found 25/3£69

Wed 6/509:55

ORK

BFS

1 stop5h 20m

Multiple Airlines

Wed 13/515:40

BFS

ORK

1 stop8h 15m

Multiple Airlines

Deal found 22/3£69

Thu 7/523:50

DUB

BFS

1 stop8h 40m

Multiple Airlines

Thu 14/512:45

BFS

DUB

1 stop7h 45m

Multiple Airlines

Deal found 24/3£69

Tue 21/422:00

DUB

BFS

1 stop13h 35m

Multiple Airlines

Tue 28/416:40

BFS

DUB

1 stop4h 40m

Multiple Airlines

Deal found 24/3£70

Mon 27/419:55

DUB

BFS

1 stop12h 10m

Multiple Airlines

Wed 6/507:30

BFS

DUB

1 stop7h 20m

Multiple Airlines

Deal found 23/3£71

Thu 7/514:15

ORK

BFS

1 stop6h 45m

Multiple Airlines

Thu 14/512:45

BFS

ORK

1 stop4h 10m

Multiple Airlines

Deal found 25/3£72

Wed 6/510:05

DUB

BFS

1 stop5h 10m

Multiple Airlines

Wed 13/515:40

BFS

DUB

1 stop5h 05m

Multiple Airlines

Deal found 22/3£72

Sat 18/414:35

ORK

BFS

1 stop8h 45m

Multiple Airlines

Fri 24/419:55

BFS

ORK

1 stop12h 30m

Multiple Airlines

Deal found 25/3£72

Fri 8/520:20

ORK

BFS

1 stop12h 45m

Multiple Airlines

Fri 15/509:40

BFS

ORK

1 stop10h 15m

Multiple Airlines

Deal found 24/3£73

Mon 20/410:10

DUB

BFS

1 stop11h 45m

Multiple Airlines

Mon 27/418:50

BFS

DUB

1 stop5h 15m

Multiple Airlines

Deal found 23/3£74

Mon 11/520:35

DUB

BFS

1 stop13h 25m

Multiple Airlines

Tue 19/507:35

BFS

DUB

1 stop12h 15m

Multiple Airlines

Deal found 25/3£75

Tue 5/506:30

DUB

BFS

1 stop5h 45m

Multiple Airlines

Tue 12/516:40

BFS

DUB

1 stop6h 40m

Multiple Airlines

Deal found 21/3£75

Best flights from Ireland to Belfast Intl
Discover carefully curated flight deals from Ireland to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Sat 9/518:00

DUB

BFS

1 stop5h 20m

Multiple Airlines

Sat 16/511:10

BFS

DUB

1 stop12h 10m

Multiple Airlines

Deal found 25/3£69

Sun 10/506:30

DUB

BFS

1 stop5h 25m

Multiple Airlines

Sun 17/519:35

BFS

DUB

1 stop12h 15m

Multiple Airlines

Deal found 26/3£70

Mon 27/419:55

DUB

BFS

1 stop12h 10m

Multiple Airlines

Wed 6/507:30

BFS

DUB

1 stop7h 20m

Multiple Airlines

Deal found 23/3£71

Thu 7/514:15

ORK

BFS

1 stop6h 45m

Multiple Airlines

Thu 14/512:45

BFS

ORK

1 stop4h 10m

Multiple Airlines

Deal found 25/3£72

Fri 8/520:20

ORK

BFS

1 stop12h 45m

Multiple Airlines

Fri 15/509:40

BFS

ORK

1 stop10h 15m

Multiple Airlines

Deal found 24/3£73

Tue 5/506:30

DUB

BFS

1 stop5h 45m

Multiple Airlines

Tue 12/516:40

BFS

DUB

1 stop6h 40m

Multiple Airlines

Deal found 21/3£75

Sat 2/523:00

SNN

BFS

1 stop12h 55m

Multiple Airlines

Sat 9/511:10

BFS

SNN

1 stop11h 25m

Multiple Airlines

Deal found 26/3£79

Thu 7/517:40

KIR

BFS

1 stop4h 40m

Multiple Airlines

Thu 14/509:15

BFS

KIR

1 stop7h 40m

Multiple Airlines

Deal found 23/3£83

Fri 8/514:10

KIR

BFS

1 stop5h 20m

Multiple Airlines

Fri 15/508:55

BFS

KIR

1 stop4h 50m

Multiple Airlines

Deal found 24/3£85

Sat 18/416:15

DUB

BFS

1 stop7h 05m

Multiple Airlines

Sat 25/420:15

BFS

DUB

1 stop13h 35m

Multiple Airlines

Deal found 21/3£85

Mon 27/419:55

DUB

BFS

1 stop12h 10m

Multiple Airlines

Sun 3/522:10

BFS

DUB

1 stop11h 25m

Multiple Airlines

Deal found 25/3£86

Mon 11/522:05

DUB

BFS

1 stop14h 10m

Multiple Airlines

Sun 17/519:35

BFS

DUB

1 stop12h 15m

Multiple Airlines

Deal found 22/3£87

Fri 8/517:00

SNN

BFS

1 stop6h 00m

Multiple Airlines

Fri 15/507:35

BFS

SNN

1 stop12h 50m

Multiple Airlines

Deal found 24/3£89

Wed 22/414:50

ORK

BFS

1 stop8h 30m

Multiple Airlines

Wed 29/409:55

BFS

ORK

2 stops21h 35m

Multiple Airlines

Deal found 25/3£91

Wed 6/515:20

ORK

BFS

1 stop4h 30m

Multiple Airlines

Wed 13/515:40

BFS

ORK

1 stop8h 15m

Multiple Airlines

Deal found 21/3£91

Mon 20/414:35

ORK

BFS

1 stop6h 55m

Multiple Airlines

Mon 27/418:50

BFS

ORK

1 stop26h 10m

Multiple Airlines

Deal found 23/3£93

Thu 7/523:50

DUB

BFS

1 stop8h 40m

Multiple Airlines

Thu 14/512:45

BFS

DUB

1 stop7h 45m

Multiple Airlines

Deal found 22/3£95

Sun 19/419:05

SNN

BFS

1 stop13h 10m

Multiple Airlines

Sun 26/407:10

BFS

SNN

1 stop15h 05m

Multiple Airlines

Deal found 23/3£96

Fri 8/513:30

DUB

BFS

1 stop6h 00m

Multiple Airlines

Fri 15/508:55

BFS

DUB

1 stop15h 04m

Multiple Airlines

Deal found 23/3£97

Mon 27/413:35

ORK

BFS

1 stop4h 50m

Multiple Airlines

Sun 3/507:00

BFS

ORK

1 stop9h 55m

Multiple Airlines

Deal found 24/3£101

Mon 20/408:10

SNN

BFS

1 stop13h 20m

Multiple Airlines

Sun 26/410:00

BFS

SNN

2 stops12h 15m

Multiple Airlines

Deal found 22/3£119

Find flight deals from Ireland to Belfast Intl

Round-trip from	£69
One-way from	£34

6/5-13/5
2 total stops
13h 35m total
Ireland to Belfast

Search Deals

23/4
1 total stop
12h 00m total
Ireland to Belfast

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 9/5

18:00-23:20

1 stop5h 20m

Belfast Intl

Sat 16/5

11:10-23:20

1 stop12h 10m

£69

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 10/5

06:30-11:55

1 stop5h 25m

Belfast Intl

Sun 17/5

19:35-07:50

1 stop12h 15m

£70

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/4

19:55-08:05

1 stop12h 10m

Belfast Intl

Wed 6/5

07:30-14:50

1 stop7h 20m

£71

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 7/5

14:15-21:00

1 stop6h 45m

Belfast Intl

Thu 14/5

12:45-16:55

1 stop4h 10m

£72

CorkBelfast

ORK - BFS

ORKBFS

Cork

Fri 8/5

20:20-09:05

1 stop12h 45m

Belfast Intl

Fri 15/5

09:40-19:55

1 stop10h 15m

£73

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 5/5

06:30-12:15

1 stop5h 45m

Belfast Intl

Tue 12/5

16:40-23:20

1 stop6h 40m

£75

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Sat 2/5

23:00-11:55

1 stop12h 55m

Belfast Intl

Sat 9/5

11:10-22:35

1 stop11h 25m

£79

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Thu 7/5

17:40-22:20

1 stop4h 40m

Belfast Intl

Thu 14/5

09:15-16:55

1 stop7h 40m

£83

Fastest return journey

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Fri 8/5

14:10-19:30

1 stop5h 20m

Belfast Intl

Fri 15/5

08:55-13:45

1 stop4h 50m

£85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 18/4

16:15-23:20

1 stop7h 05m

Belfast Intl

Sat 25/4

20:15-09:50

1 stop13h 35m

£85

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 34 resultsSorted by cheapest first

Best time to book a flight from Ireland to Belfast Intl

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

DUB-BFS

ORK-BFS

SNN-BFS

KIR-BFS

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 Ireland to Belfast Intl Airport

IE0-BFS

DUB-BFS

ORK-BFS

SNN-BFS

KIR-BFS

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 Ireland to Belfast Intl Airport?
The most popular route from Ireland to Belfast Intl Airport is Dublin - Belfast Intl. You may also consider Cork - Belfast Intl or Shannon - Belfast Intl.
Can I find deals for flights from Ireland to Belfast Intl that include hotel bookings?
Yes. In addition to deals on Ireland to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Belfast Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Belfast Intl.
Can I find deals for business class flights from Ireland to Belfast Intl?
Yes. Cheapflights offers flight deals from Ireland to Belfast Intl 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

Armagh

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Ballymena

Cookstown

Dungannon

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Alternative routes for Ireland to Belfast Intl

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Manchester to Belfast City flights

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Dublin to Belfast Intl flights

Bristol to Belfast Intl flights

Birmingham to Belfast City flights

Charles de Gaulle to Belfast City flights

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East Midlands to Belfast City flights

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Frederic Chopin to Belfast Intl flights

Frankfurt to Belfast Intl flights

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Krakow to Belfast Intl flights

Lyon to Belfast Intl flights

Shannon to Belfast Intl flights

Newcastle upon Tyne to Belfast City flights

Amsterdam to Belfast City flights

Vienna to Belfast City flights

Shannon to Belfast City flights

Fly with Cheapflights

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Cheapflights helps you search for flights from Ireland to Belfast Intl 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 Ireland to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Belfast Intl.

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

Yes, we can. To see specific flights from Ireland to Belfast Intl 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 Ireland to Belfast Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Ireland today and book when prices fit your budget.

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Cheap flights from Ireland to Belfast Intl Airport from £34

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Belfast Intl

Cheapest flights from Ireland to Belfast IntlExplore the most affordable flight options available from Ireland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Explore the most affordable flight options available from Ireland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Best flights from Ireland to Belfast IntlDiscover carefully curated flight deals from Ireland to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Discover carefully curated flight deals from Ireland to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Last-minute flights from Ireland to Belfast IntlDiscover last-minute flight deals from Ireland to Belfast Intl. Data last updated 26 March 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Belfast Intl. Data last updated 26 March 2026 and is based on user searches.

One-way flights from Ireland to Belfast IntlSearch for one-way flight options from Ireland to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 26 March 2026.

Search for one-way flight options from Ireland to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 26 March 2026.

Find flight deals from Ireland to Belfast Intl

Keep the following information in mind while searching for Ireland to Belfast Intl flight deals. Data was last updated 26 March 2026.

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Ireland to Belfast Intl

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

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Ireland to Belfast Intl. 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 Ireland to Belfast Intl Airport?

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

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

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

Travelling to a place near Belfast Intl Airport?

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 Ireland to Belfast Intl

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

Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 March 2026.

Complete your trip

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

Direct flights to Northern Ireland

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

Search flights from Ireland to Belfast Intl by cabin class

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

Ireland and Belfast Intl flights

Browse other Ireland and Belfast Intl flight options. Last updated on 26 March 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ireland to Belfast Intl flights

Consider these flights travelling from Ireland to Belfast Intl.

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

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Ireland to Belfast Intl
Explore the most affordable flight options available from Ireland to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Best flights from Ireland to Belfast Intl
Discover carefully curated flight deals from Ireland to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Last-minute flights from Ireland to Belfast Intl
Discover last-minute flight deals from Ireland to Belfast Intl. Data last updated 26 March 2026 and is based on user searches.

One-way flights from Ireland to Belfast Intl
Search for one-way flight options from Ireland to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 26 March 2026.