Under the seat
No box published
A handbag is counted within the single-piece allowance.
TG Cabin allowance · October 2026
Two slots, two sets of numbers. The under-seat box travels free of charge on most fares; the locker is where the fare starts to matter.
Under the seat
No box published
A handbag is counted within the single-piece allowance.
Overhead locker
56 × 45 × 25 cm
One piece at 7 kg in a frame that is wide on length and strict on weight.
Ceiling: 7 kg
The under-seat fit
Thai Airways publishes no under-seat box, or no bag here clears it. The locker list below is the useful one.
The locker fit
40 × 30 × 20 cm · under-seat class · 5 / 5
Clears 5 of 18under-seat frames
$59.55
40 × 30 × 20 cm · under-seat class · 4.7 / 5
Clears 5 of 18under-seat frames
$79.13
40 × 30 × 20 cm · under-seat class · 4.7 / 5
Clears 5 of 18under-seat frames
$80.60
40 × 30 × 20 cm · under-seat class · 4.6 / 5
Clears 5 of 18under-seat frames
$53.47
40 × 30 × 20 cm · under-seat class · 4.6 / 5
Clears 5 of 18under-seat frames
$63.10
40 × 25 × 20 cm · under-seat class · 4.7 / 5
Clears 6 of 18under-seat frames
$70.58
40 × 25 × 20 cm · under-seat class · 4.6 / 5
Clears 6 of 18under-seat frames
$68.10
45 × 36 × 20 cm · under-seat class · 4.7 / 5
Clears 0 of 18under-seat frames
$100.34
45 × 36 × 20 cm · under-seat class · 4.7 / 5
Clears 0 of 18under-seat frames
$61.95
46 × 36 × 20 cm · locker class · 5 / 5
Clears 15 of 18locker frames
$117.79
56 × 36 × 23 cm · locker class · 4.7 / 5
Clears 9 of 18locker frames
$62.33
55 × 40 × 20 cm · locker class · 4.6 / 5
Clears 4 of 18locker frames
$70.08