Lounge 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).
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
Business Class
1-2-1 · Lie-flat bed
Premium Economy Class
2-4-2 · Recliner
Economy Class
3-3-3 · Standard seat
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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<script async src="https://www.loungefrog.com/embed.js"></script>Cabins
| Cabin | Seats | Rows | Layout | Seat |
|---|---|---|---|---|
Business Class | 42 | 11–22 | 1-2-1 | Lie-flat bed |
Premium Economy Class | 24 | 31–33 | 2-4-2 | Recliner |
Economy Class | 187 | 41–62 | 3-3-3 | Standard 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
- Singapore Airlines Airbus A350-900 (Medium haul, 40 Business · 263 Economy) seat map · compare side by side
- Singapore Airlines Airbus A350-900 (Ultra long range, 67 Business · 94 Premium Economy) seat map · compare side by side
- Singapore Airlines Airbus A380-800 (Version 1, 6 Suites · 78 Business · 44 Premium Economy · 343 Economy) seat map
- Singapore Airlines Airbus A380-800 (Version 2, 6 Suites · 78 Business · 44 Premium Economy · 343 Economy) seat map
- Singapore Airlines Boeing 737 MAX 8 (10 Business · 144 Economy) seat map
- Singapore Airlines Boeing 777-300ER (4 First · 48 Business · 28 Premium Economy · 184 Economy) seat map
- Singapore Airlines Boeing 787-10 (36 Business · 301 Economy) seat map
- Every Singapore Airlines seat map
- Singapore Airlines: ratings, hubs, lounges and fleet
- Singapore Airlines's own Airbus A350-900 page
Lounge 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.