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Seats Frog guide

Singapore Airlines Airbus A350-900 seat map

Singapore Airlines' long-haul A350-900 seats 253: 42 in Business (1-2-1), 24 in Premium Economy (2-4-2) and 187 in Economy (3-3-3).

Long haul, 42 Business · 24 Premium Economy · 187 Economy✓ Checked against Singapore Airlines's seat map · October 2026
Singapore Airlines Airbus A350-900
Singapore Airlines Airbus A350-900. Photo: Bernard Spragg, CC0

Cabins at a glance

  • Business

    Business Class

    42seats · 1-2-1

    Lie-flat bed · rows 11–22

    Best pick: row 14, seat ABusiness window seat in the middle of the forward section, away from the galleys and lavatories at both ends.

  • Premium Economy

    Premium Economy Class

    24seats · 2-4-2

    Recliner · rows 31–33

    Best pick: row 31, seat APremium Economy window pair at the front of the cabin, marked Extra Legroom.

  • Economy

    Economy Class

    187seats · 3-3-3

    Standard seat · rows 41–62

    Best pick: row 47, seat BExtra Legroom seat directly behind the exit, with no seat fitted at 47A.

Seat map

Green seats are good, amber are a trade-off, red are best avoided. Hover over or tap a seat to see why.

Front of aircraft

Galley

Business Class

1-2-1 · Lie-flat bed

11
Bulkhead
12
14
15
16
17
Lav
18
Galley
Galley
19
Bulkhead
20
21
22

Premium Economy Class

2-4-2 · Recliner

31
Bulkhead
32
33

Economy Class

3-3-3 · Standard seat

41
Bulkhead
42
43
44
45
46
Lav
Lavatory
Lavatory
Lavatory
47
Exit
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Galley
Lavatory
Galley
62
Galley
Galley

Back of aircraft

Seat map updated October 2026. Rows and seats are as Singapore Airlines's own seat map shows them. Airlines change layouts and swap aircraft, so check the seat map in your booking too.

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Cabins

CabinSeatsRowsLayoutSeat
Business Class
4211–221-2-1Lie-flat bed
Premium Economy Class
2431–332-4-2Recliner
Economy Class
18741–623-3-3Standard seat

Best and worst seats

Best seats

  • Row 14, seat A · Business Class

    Business window seat in the middle of the forward section, away from the galleys and lavatories at both ends.

  • Row 31, seat A · Premium Economy Class

    Premium Economy window pair at the front of the cabin, marked Extra Legroom.

  • Row 47, seat B · Economy Class

    Extra Legroom seat directly behind the exit, with no seat fitted at 47A.

  • Row 48, seat A · Economy Class

    Extra Legroom window seat; there is no seat in front of it at 47A.

  • Row 48, seat K · Economy Class

    Marked Extra Legroom Seat

Trade-offs

  • Rows 11 and 19, seats A, D, F and K · Business Class

    Bulkhead row, so nobody reclines into you

  • Row 18, seat D · Business Class

    Next to a galley, with light and noise during service

  • Row 31, seats C, D, E, F, G, H and K · Premium Economy Class

    Bulkhead row, so nobody reclines into you

  • Row 41, seats A, B, C, D, E, G, H, J and K · Economy Class

    Bulkhead row, so nobody reclines into you

  • Row 47, seats C, D, E, G, H and J · Economy Class

    Bulkhead row, so nobody reclines into you

Seats to avoid

  • Row 17, seats A and K · Business Class

    Next to a lavatory, with queues, noise and flushing

  • Row 18, seat F · Business Class

    Next to a galley, with light and noise during service

  • Row 46, seat A · Economy Class

    Last row of the forward Economy section, directly in front of the lavatories.

  • Row 46, seats B, C, H, J and K · Economy Class

    Next to a lavatory, with queues, noise and flushing

  • Row 61, seats A, B and C · Economy Class

    Next to a lavatory, with queues, noise and flushing

  • Row 61, seats H, J and K · Economy Class

    Next to a galley, with light and noise during service

  • Row 62, seat D · Economy Class

    Last-row centre seat with a galley directly behind.

  • Row 62, seats E and G · Economy Class

    Next to a galley, with light and noise during service

Quick answers

How many seats does Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy) have?

Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy) has 253 seats: 42 in Business Class, 24 in Premium Economy Class and 187 in Economy Class.

What are the best Economy seats on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy)?

On Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy), the best Economy seats are row 47, seat B (extra Legroom seat directly behind the exit, with no seat fitted at 47A.), row 48, seat A (extra Legroom window seat; there is no seat in front of it at 47A.) and row 48, seat K (marked Extra Legroom Seat).

Which seats should I avoid on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy)?

On Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy), avoid row 17, seats A and K (next to a lavatory, with queues, noise and flushing), row 18, seat F (next to a galley, with light and noise during service) and row 46, seat A (last row of the forward Economy section, directly in front of the lavatories.).

What is Business Class like on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy)?

Business Class on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy) has 42 seats, rows 11 to 22, in a 1-2-1 layout (lie-flat bed). The pick: row 14, seat A (business window seat in the middle of the forward section, away from the galleys and lavatories at both ends.).

What is Premium Economy Class like on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy)?

Premium Economy Class on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy) has 24 seats, rows 31 to 33, in a 2-4-2 layout (recliner). The pick: row 31, seat A (premium Economy window pair at the front of the cabin, marked Extra Legroom.).

How much legroom is there in Economy on Singapore Airlines's Airbus A350-900 (Long haul, 42 Business · 24 Premium Economy · 187 Economy)?

Singapore Airlines doesn't publish the Economy seat pitch for this layout; the exit rows and bulkheads have the most legroom.

Read on

Seats Frog compiles seat maps from what airlines publish about their cabins and rates the seats with the same rules on every aircraft. Spotted a wrong row? Tell us and we'll correct it.