Lounge Frog guide
Thai Airways International Boeing 777-300ER seat map
Thai Airways' 777-300ER 77B seats 348: 42 in Royal Silk Class and 306 in Economy (3-3-3).
Cabins at a glance
Business
Royal Silk Class
42seats · 2-4-2
Lie-flat bed · rows 11–22
Best pick: row 11, seat BRoyal Silk window-side seat set nearer the aisle, in the front cabin.
Economy
Economy Class
306seats · 3-3-3
Standard seat · rows 31–72
Best pick: row 40, seat AExit row at the front of the middle Economy section.
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
Royal Silk Class
2-4-2 · Lie-flat bed
Economy Class
3-3-3 · Standard seat
Back of aircraft
Seat map updated October 2026. Rows and seats are as Thai Airways International'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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Best and worst seats
Best seats
- Row 11, seat B · Royal Silk Class
Royal Silk window-side seat set nearer the aisle, in the front cabin.
- Row 12, seat A · Royal Silk Class
Royal Silk seat right against the window.
- Row 19, seat D · Royal Silk Class
Royal Silk centre pair seat in the smaller rear section.
- Row 40, seat A · Economy Class
Exit row at the front of the middle Economy section.
Trade-offs
- Row 11, seats E, F and J · Royal Silk Class
Bulkhead row, so nobody reclines into you
- Row 18, seats E and F · Royal Silk Class
Bulkhead row, so nobody reclines into you
- Row 31, seats A, B, C, D, E, F, H, J and K · Economy Class
Bulkhead row, so nobody reclines into you
- Row 38, seat J · Economy Class
One of only two seats in rows 38-39, beside the lavatories.
- Row 40, seats B, C, H, J and K · Economy Class
Bulkhead row, so nobody reclines into you
- Rows 41 and 61, seats D, E and F · Economy Class
Bulkhead row, so nobody reclines into you
- Row 60, seats A, B, C, H, J and K · Economy Class
Bulkhead row, so nobody reclines into you
Seats to avoid
- Row 37, seats A, B, C, D and F · Economy Class
Next to a lavatory, with queues, noise and flushing
- Row 37, seat E · Economy Class
Directly in front of the mid-cabin lavatories.
- Row 39, seats J and K · Economy Class
Next to a lavatory, with queues, noise and flushing
- Row 53, seats D, E and F · Economy Class
Next to a galley, with light and noise during service
- Row 72, seats D and F · Economy Class
Next to a lavatory, with queues, noise and flushing
- Row 72, seat E · Economy Class
Last row, in front of the rear lavatory.
Quick answers
How many seats does Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy) have?
Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy) has 348 seats: 42 in Royal Silk Class and 306 in Economy Class.
What are the best Economy seats on Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy)?
On Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy), the best Economy seats are row 40, seat A (exit row at the front of the middle Economy section.).
Which seats should I avoid on Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy)?
On Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy), avoid row 37, seats A, B, C, D and F (next to a lavatory, with queues, noise and flushing), row 37, seat E (directly in front of the mid-cabin lavatories.) and row 39, seats J and K (next to a lavatory, with queues, noise and flushing).
What is Royal Silk Class like on Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy)?
Royal Silk Class on Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy) has 42 seats, rows 11 to 22, in a 2-4-2 layout (lie-flat bed). The pick: row 11, seat B (royal Silk window-side seat set nearer the aisle, in the front cabin.).
How much legroom is there in Economy on Thai Airways International's Boeing 777-300ER (42 Royal Silk · 306 Economy)?
Thai Airways International doesn't publish the Economy seat pitch for this layout; the exit rows and bulkheads have the most legroom.
Read on
- Thai Airways International Airbus A320-200 (12 Royal Silk · 144 Economy) seat map
- Thai Airways International Airbus A321neo (16 Royal Silk · 159 Economy) seat map
- Thai Airways International Airbus A330-300 (31 Royal Silk · 48 Premium Economy · 185 Economy) seat map
- Thai Airways International Airbus A330-300 (31 Royal Silk · 263 Economy) seat map
- Thai Airways International Airbus A350-900 (32 Royal Silk · 289 Economy) seat map
- Thai Airways International Airbus A350-900 (33 Royal Silk · 301 Economy) seat map
- Thai Airways International Airbus A350-900 (33 Royal Silk · 301 Economy) seat map
- Thai Airways International Boeing 777-200ER (30 Royal Silk · 262 Economy) seat map
- Thai Airways International Boeing 777-300ER (8 Royal First · 40 Royal Silk · 255 Economy) seat map · compare side by side
- Thai Airways International Boeing 787-8 (22 Royal Silk · 234 Economy) seat map
- Thai Airways International Boeing 787-9 (30 Royal Silk · 268 Economy) seat map
- Thai Airways International Boeing 787-9 (30 Royal Silk · 262 Economy) seat map
- Every Thai Airways International seat map
- Thai Airways International: ratings, hubs, lounges and fleet
- Thai Airways International's own Boeing 777-300ER 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.
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