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Flights Cardiff – Belfast, Aer Lingus

1 passenger, economy

Flight schedule Cardiff – Belfast, Aer Lingus

Compare prices, duration and stops

Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Mon, 21 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Mon, 21 sep
£69
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Thu, 24 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Thu, 24 sep
£76
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Sat, 26 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Sat, 26 sep
£68
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Tue, 29 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Tue, 29 sep
£69
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Thu, 1 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Thu, 1 oct
£61
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Sat, 3 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Sat, 3 oct
£55
Aer Lingus
EI 3621 Best price
11:00
Cardiff (CWL)
Sun, 4 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Sun, 4 oct
£52
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Fri, 16 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Fri, 16 oct
£73

Low price calendar

September 2026
Price chart (September 2026)
min: £68 · max: £76
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Popular Aer Lingus flights Cardiff – Belfast

All →
Flight Departure days Price from
EI3621 MonTueThuFriSatSun £52

Popular destinations from Cardiff

All →
CWL
Cardiff — Dublin
United Kingdom → Ireland
DUB
from
£30
CWL
Cardiff — Leeds
United Kingdom → United Kingdom
LBA
from
£46
CWL
Cardiff — Newquay
United Kingdom → United Kingdom
NQY
from
£48
CWL
Cardiff — Belfast
United Kingdom → United Kingdom
BHD
from
£50
CWL
Cardiff — Newcastle
United Kingdom → United Kingdom
NCL
from
£52
CWL
Cardiff — Nottingham
United Kingdom → United Kingdom
NQT
from
£59
CWL
Cardiff — Nottingham
United Kingdom → United Kingdom
EMA
from
£59
CWL
Cardiff — London
United Kingdom → United Kingdom
LON
from
£77

Popular destinations to Belfast

All →
MAN
Manchester — Belfast
United Kingdom → United Kingdom
BFS
from
£11
EDI
Edinburgh — Belfast
United Kingdom → United Kingdom
BFS
from
£12
LON
London — Belfast
United Kingdom → United Kingdom
BFS
from
£13
GLA
Glasgow — Belfast
United Kingdom → United Kingdom
BFS
from
£15
LPL
Liverpool — Belfast
United Kingdom → United Kingdom
BFS
from
£16
BHX
Birmingham — Belfast
United Kingdom → United Kingdom
BFS
from
£18
KRK
Krakow — Belfast
Poland → United Kingdom
BFS
from
£20
BRS
Bristol — Belfast
United Kingdom → United Kingdom
BFS
from
£21
PMI
Palma — Belfast
Spain → United Kingdom
BFS
from
£30

Flight statistics Cardiff – Belfast, Aer Lingus

We gathered interesting facts about the flight for you

Cheapest flight

EI 3621

£52

Fastest flight

EI 3621

1h 20min

Average time

1h 20min

Distance

8 225 km

Passenger reviews

No reviews for this route yet

Other airlines Cardiff – Belfast

East Horizon Airlines
Tue, Wed, Fri, Sat
Price from
£63
Ryanair
Ryanair
Wed, Fri
Price from
£70

Internet abroad

eSIM · United Kingdom

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3 GB

data

30

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5 GB

data

30

days

£10

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ukimobile

5 GB

data

30

days

£12

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ukimobile

10 GB

data

30

days

£15

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10 GB

data

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Frequently Asked Questions

The cheapest Aer Lingus ticket Cardiff – Belfast costs £52, flight EI3621, departing at 11:00.
The fastest Aer Lingus flight Cardiff – Belfast takes 1h 20min, flight EI3621, departing at 11:00.
The earliest Aer Lingus flight Cardiff – Belfast(EI3621)departs at 11:00.