In terms of precipitation, rainfall in Belfast 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 when rainfall is around 50.0 mm.

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

The most popular route from Ireland to Belfast is Dublin - Belfast Intl. You may also consider Dublin - Belfast City 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 as you normally would.

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

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

How can I find direct flights from Ireland to Belfast?

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

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

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

£35+ Cheap Flights from Ireland to Belfast

Cheap flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ireland to Belfast
Explore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Wed 30/912:00 -

1 stop10h 30m

Wed 7/1008:30 -

1 stop9h 20m

Deal found 16/8£68

Thu 10/907:30 -

1 stop7h 50m

Thu 17/912:45 -

1 stop5h 25m

Deal found 17/8£69

Wed 9/909:55 -

1 stop5h 20m

Wed 16/915:40 -

1 stop8h 15m

Deal found 17/8£70

Tue 1/920:30 -

1 stop11h 35m

Tue 15/908:50 -

1 stop12h 30m

Deal found 17/8£70

Tue 22/922:25 -

1 stop8h 40m

Tue 29/907:35 -

1 stop14h 10m

Deal found 19/8£72

Wed 2/908:50 -

1 stop6h 25m

Fri 11/919:55 -

1 stop13h 35m

Deal found 17/8£73

Tue 15/920:15 -

1 stop10h 50m

Tue 22/907:35 -

1 stop8h 50m

Deal found 18/8£73

Sat 5/911:00 -

1 stop10h 15m

Wed 9/907:30 -

1 stop8h 30m

Deal found 19/8£74

Thu 17/907:30 -

1 stop7h 50m

Thu 24/912:45 -

1 stop5h 25m

Deal found 20/8£75

Mon 5/1022:05 -

1 stop14h 10m

Wed 14/1015:40 -

1 stop7h 45m

Deal found 16/8£76

Wed 30/916:00 -

1 stop7h 20m

Wed 7/1008:30 -

1 stop7h 05m

Deal found 16/8£77

Tue 8/906:05 -

1 stop3h 55m

Thu 10/912:45 -

1 stop11h 10m

Deal found 19/8£77

Best flights from Ireland to Belfast
Discover carefully curated flight deals from Ireland to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Wed 30/912:00 -

1 stop10h 30m

Wed 7/1008:30 -

1 stop9h 20m

Deal found 16/8£68

Tue 29/920:15 -

1 stop10h 50m

Tue 6/1007:35 -

1 stop8h 50m

Deal found 15/8£68

Fri 18/907:30 -

1 stop12h 00m

Fri 25/917:05 -

1 stop6h 54m

Deal found 19/8£69

Mon 28/920:30 -

1 stop12h 20m

Sun 4/1020:10 -

1 stop15h 55m

Deal found 15/8£164

Thu 10/921:30 -

1 stop11h 00m

Thu 17/912:45 -

1 stop10h 40m

Deal found 16/8£69

Wed 30/909:55 -

1 stop5h 20m

Wed 7/1008:30 -

1 stop5h 10m

Deal found 16/8£70

Wed 2/908:50 -

1 stop6h 25m

Fri 11/919:55 -

1 stop13h 35m

Deal found 17/8£73

Tue 22/922:25 -

1 stop8h 40m

Tue 29/907:35 -

1 stop14h 10m

Deal found 18/8£73

Sat 5/911:00 -

1 stop10h 15m

Wed 9/907:30 -

1 stop8h 30m

Deal found 19/8£74

Sat 3/1006:30 -

1 stop7h 45m

Mon 12/1018:50 -

1 stop13h 00m

Deal found 19/8£74

Thu 10/910:20 -

1 stop5h 00m

Sat 12/916:55 -

1 stop6h 10m

Deal found 18/8£74

Mon 28/920:30 -

1 stop11h 05m

Mon 5/1006:30 -

1 stop9h 50m

Deal found 17/8£164

Mon 28/922:05 -

1 stop14h 10m

Mon 5/1021:55 -

1 stop10h 35m

Deal found 17/8£75

Tue 13/1020:25 -

1 stop12h 35m

Sat 17/1019:05 -

1 stop14h 35m

Deal found 15/8£164

Tue 13/1020:25 -

1 stop12h 35m

Wed 14/1011:35 -

1 stop7h 55m

Deal found 16/8£164

Thu 1/1008:15 -

1 stop14h 05m

Thu 8/1022:45 -

1 stop9h 35m

Deal found 17/8£78

Sat 3/1008:00 -

1 stop13h 15m

Sat 10/1021:40 -

1 stop10h 50m

Deal found 16/8£81

Thu 17/917:40 -

1 stop4h 40m

Mon 21/908:40 -

1 stop5h 55m

Deal found 19/8£83

Wed 21/1008:50 -

1 stop6h 25m

Thu 22/1014:50 -

1 stop5h 40m

Deal found 17/8£86

Sun 4/1021:40 -

1 stop11h 10m

Sun 11/1019:35 -

1 stop12h 15m

Deal found 20/8£86

Fri 16/1008:45 -

1 stop10h 45m

Sat 17/1021:40 -

1 stop10h 50m

Deal found 17/8£86

Sat 19/908:00 -

1 stop13h 15m

Sat 26/921:40 -

1 stop10h 50m

Deal found 20/8£86

Fri 2/1020:20 -

1 stop14h 25m

Fri 9/1007:35 -

1 stop12h 20m

Deal found 18/8£89

Sun 13/921:40 -

1 stop11h 10m

Sun 20/922:00 -

1 stop13h 35m

Deal found 16/8£90

Thu 15/1007:40 -

1 stop6h 50m

Thu 22/1015:00 -

1 stop7h 40m

Deal found 20/8£91

Thu 17/906:10 -

1 stop5h 30m

Thu 24/915:25 -

1 stop7h 35m

Deal found 18/8£91

Wed 30/916:00 -

2 stops16h 50m

Wed 7/1008:30 -

1 stop7h 05m

Deal found 16/8£92

Tue 1/907:30 -

1 stop8h 00m

Wed 2/914:35 -

1 stop6h 00m

Deal found 20/8£541

Thu 15/1007:40 -

1 stop6h 50m

Wed 21/1018:20 -

1 stop5h 15m

Deal found 20/8£92

Wed 16/906:20 -

1 stop11h 30m

Wed 23/918:20 -

1 stop5h 15m

Deal found 19/8£93

Find flight deals from Ireland to Belfast

Round-trip from	£68
One-way from	£35

30/9-7/10
2 total stops
19h 50m total
Ireland to Belfast

Search Deals

19/9
1 total stop
11h 50m total
Ireland to Belfast

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Wed 30/9

12:00-22:30

1 stop10h 30m

Belfast Intl

Wed 7/10

08:30-17:50

1 stop9h 20m

£68

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Tue 29/9

20:15-07:05

1 stop10h 50m

Belfast Intl

Tue 6/10

07:35-16:25

1 stop8h 50m

£68

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Fri 18/9

07:30-19:30

1 stop12h 00m

Belfast Intl

Fri 25/9

17:05-23:59

1 stop6h 54m

£69

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Thu 10/9

21:30-08:30

1 stop11h 00m

Belfast Intl

Thu 17/9

12:45-23:25

1 stop10h 40m

£69

Fastest return journey

CorkBelfast

ORK Cork - BFS Belfast Intl

ORKBFS

Cork

Wed 30/9

09:55-15:15

1 stop5h 20m

Belfast Intl

Wed 7/10

08:30-13:40

1 stop5h 10m

£70

ShannonBelfast

SNN Shannon - BFS Belfast Intl

SNNBFS

Shannon

Wed 2/9

08:50-15:15

1 stop6h 25m

Belfast Intl

Fri 11/9

19:55-09:30

1 stop13h 35m

£73

CorkBelfast

ORK Cork - BFS Belfast Intl

ORKBFS

Cork

Tue 22/9

22:25-07:05

1 stop8h 40m

Belfast Intl

Tue 29/9

07:35-21:45

1 stop14h 10m

£73

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Sat 5/9

11:00-21:15

1 stop10h 15m

Belfast Intl

Wed 9/9

07:30-16:00

1 stop8h 30m

£74

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Sat 3/10

06:30-14:15

1 stop7h 45m

Belfast Intl

Mon 12/10

18:50-07:50

1 stop13h 00m

£74

DublinBelfast

DUB Dublin - BFS Belfast Intl

DUBBFS

Dublin

Thu 10/9

10:20-15:20

1 stop5h 00m

Belfast Intl

Sat 12/9

16:55-23:05

1 stop6h 10m

£74

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ireland to Belfast

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

DUB-BFS

DUB-BHD

SNN-BFS

SNN-BHD

ORK-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

IE0-BF1

DUB-BFS

DUB-BHD

SNN-BFS

SNN-BHD

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Northern Ireland

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Ireland to Belfast

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Shannon to Belfast City flights

Dublin to Derry flights

East Midlands to Belfast Intl flights

Leeds to Belfast City flights

Heathrow to Derry flights

Bergamo to Belfast Intl flights

Amsterdam to Belfast City flights

Amsterdam to Belfast Intl flights

Reus to Belfast Intl flights

Bruxelles-National to Belfast Intl flights

Inverness to Belfast Intl flights

Cardiff to Belfast Intl flights

Alicante to Belfast Intl flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Ireland to Belfast 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?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Belfast flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Ireland to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ireland to Belfast from £35

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Belfast

Cheapest flights from Ireland to BelfastExplore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Ireland to BelfastDiscover carefully curated flight deals from Ireland to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Ireland to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Ireland to BelfastDiscover last-minute flight deals from Ireland to Belfast. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Belfast. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Ireland to BelfastSearch for one-way flight options from Ireland to Belfast. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Ireland to Belfast. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Find flight deals from Ireland to Belfast

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

Best time to book a flight from Ireland to Belfast

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

Cheapflights Insights

Related info for your journey

What are the most popular routes from Ireland to Belfast?

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

How can I find direct flights from Ireland to Belfast?

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

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

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

Complete your trip

Complete your trip to Belfast 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 by cabin class

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

Ireland and Belfast flights

Browse other Ireland and Belfast flight options. Last updated on 21 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ireland to Belfast flights

Consider these flights travelling from Ireland to Belfast.

Fly with Cheapflights

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

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Ireland to Belfast
Explore the most affordable flight options available from Ireland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Ireland to Belfast
Discover carefully curated flight deals from Ireland to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Ireland to Belfast
Discover last-minute flight deals from Ireland to Belfast. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Ireland to Belfast
Search for one-way flight options from Ireland to Belfast. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.