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Cheap flights Cardiff to Belfast

1 passenger, economy

Cheap flights Cardiff to Belfast

Compare prices, duration and stops

Aer Lingus
EI 3621 Best price
11:00
Cardiff (CWL)
Tue, 15 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Tue, 15 sep
49 £
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Wed, 16 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Wed, 16 sep
50 £
EA 3621
11:00
Cardiff (CWL)
Wed, 16 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Wed, 16 sep
54 £
Aer Lingus
EI 3621 🔥 Hot deal
11:00
Cardiff (CWL)
Thu, 17 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Thu, 17 sep
62 £
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Fri, 18 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Fri, 18 sep
82 £
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
68 £
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
75 £
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
67 £
EA 3621
11:00
Cardiff (CWL)
Tue, 29 sep
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Tue, 29 sep
65 £
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
57 £
EA 3621
11:00
Cardiff (CWL)
Sat, 3 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Sat, 3 oct
54 £
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
60 £
Aer Lingus
EI 3621
11:00
Cardiff (CWL)
Sun, 4 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Sun, 4 oct
51 £
EA 3621
11:00
Cardiff (CWL)
Wed, 7 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Wed, 7 oct
58 £
EA 3621
11:00
Cardiff (CWL)
Fri, 9 oct
1h 20min
Direct
12:20
Belfast, George Best Belfast City Airport (BHD)
Fri, 9 oct
119 £
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
72 £

Low price calendar

September 2026
Price chart (September 2026)
min: 49 £ · max: 82 £
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Good deal
49 £
16
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50 £
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66 £
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82 £
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68 £
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75 £
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Cheap flights Cardiff to Belfast

Aer Lingus
Aer Lingus
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£49
East Horizon Airlines
Tue, Wed, Fri, Sat
Price from
£58

Popular destinations from Cardiff

All →
CWL
Cardiff — Dublin
United Kingdom → Ireland
DUB
from
£30
CWL
Cardiff — Newquay
United Kingdom → United Kingdom
NQY
from
£47
CWL
Cardiff — Belfast
United Kingdom → United Kingdom
BHD
from
£49
CWL
Cardiff — Leeds
United Kingdom → United Kingdom
LBA
from
£49
CWL
Cardiff — Newcastle
United Kingdom → United Kingdom
NCL
from
£51
CWL
Cardiff — Nottingham
United Kingdom → United Kingdom
NQT
from
£60
CWL
Cardiff — Nottingham
United Kingdom → United Kingdom
EMA
from
£60
CWL
Cardiff — London
United Kingdom → United Kingdom
LON
from
£76

Popular destinations to Belfast

All →
MAN
Manchester — Belfast
United Kingdom → United Kingdom
BFS
from
£11
EDI
Edinburgh — Belfast
United Kingdom → United Kingdom
BFS
from
£11
LON
London — Belfast
United Kingdom → United Kingdom
BFS
from
£12
GLA
Glasgow — Belfast
United Kingdom → United Kingdom
BFS
from
£14
LPL
Liverpool — Belfast
United Kingdom → United Kingdom
BFS
from
£16
BHX
Birmingham — Belfast
United Kingdom → United Kingdom
BFS
from
£17
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
£29

Cheap flights Cardiff to Belfast

Interesting facts about the route

Flight time

1h 20min

Distance

395 km

Average price

£61

Most frequent flight

EI 3621

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United Kingdom

All plans

ukimobile

3 GB

data

30

days

£8

Buy

ukimobile

5 GB

data

30

days

£10

Buy

ukimobile

5 GB

data

30

days

£12

Buy

ukimobile

10 GB

data

30

days

£14

Buy

ukimobile

10 GB

data

30

days

£20

Buy

Frequently Asked Questions

The average ticket price Cardiff Belfast is £61. The cheapest ticket costs £49, operated by Aer Lingus, flight 3621, departing Cardiff on 15 September at 11:00, arriving Belfast on 15 September at 12:20.
The average flight time is 1 hour 20 minutes. The fastest flight takes 1 hour 20 minutes, flight 3621 operated by Aer Lingus, departing Cardiff on 15 September at 11:00, arriving Belfast on 15 September at 12:20.
Flights on the Cardiff - Belfast route are operated by the following airlines: East Horizon Airlines, Aer Lingus.
The distance from Cardiff to Belfast is 395 km.