Seats Frog guide

Finnair Airbus A330-300 (265 seats) vs Aer Lingus Airbus A330-300 (A330-305, 307 seats)

Finnair Airbus A330-300 (265 seats) has 265 seats and Aer Lingus Airbus A330-300 (A330-305, 307 seats) has 307. Only the first has Premium Economy.

Cabins side by side

Cabin	Seats	Rows	Layout	Seat	Pitch	Width
Finnair · 265 seatsBusiness Class	26	1–7	1-2-1	Lie-flat bed	—	—
Finnair · 265 seatsPremium Economy	21	21–23	2-3-2	Recliner	38 in	18.1 in
Finnair · 265 seatsEconomy Class	218	31–67	2-4-2	Recliner	30 in	17.7 in
Aer Lingus · A330-305, 307 seatsBusiness	30	1–5	2-2-2	—	—	—
Aer Lingus · A330-305, 307 seatsEconomy	277	9–44	2-4-2	Recliner	—	—

265 seats: 9 good, 18 mixed, 39 to avoid

Row 1, seat D (Business Class): front-row Business seat in the middle pair, away from the aisle traffic of the later rows.
Row 2, seat A (Business Class): business window seat with its own aisle access, at the front of the cabin.
Row 21, seat A (Premium Economy): front row of Premium Economy with Extra leg room.
Row 31, seat A (Economy Class): first Economy row with Extra leg room.

Row 7, seat A (Business Class): next to a lavatory, with queues, noise and flushing
Row 42, seat D (Economy Class): backs onto the mid-cabin lavatories: recline is likely limited.
Row 42, seats E, G and H (Economy Class): next to a lavatory, with queues, noise and flushing
Row 43, seat A (Economy Class): last row of the front Economy cabin, against the lavatory.

307 seats: 18 good, 28 mixed, 11 to avoid

Rows 1–5, seats D and G (Business): one of the centre pair, each with its own aisle: good for two travelling together, with nobody to step over.
Rows 9 and 30, seats A, C, H and K (Economy): exit row by the door, sold as an Extra Legroom seat: open floor in front, but people pass on their way to the lavatories and galley. No children under 14 or people with reduced mobility.

Row 28, seats D, E, F and G (Economy): backs onto the lavatories or galley Aer Lingus draws behind this row: recline is likely limited, and the queue forms beside you.
Rows 42–44, seat E (Economy): middle of the three centre seats where the cabin narrows: a neighbour on each side and no aisle of your own.
Row 44, seats A, C, H and K (Economy): last row of the cabin, with lavatories or a galley drawn right behind it: recline is likely limited and there is traffic and noise.