贴一下Spice Jet 官网客服给我的回答：
提前总结一下，国内航班每人有15KG的免费托运额，7KG的手提行李额。
国际航班，例如曼谷到印度，或者印度到曼谷，每人有20KG的免费托运额。
超出这个额度的话，每KG按照下列价格表收费，即315泰铢每KG。
SpiceJet allows free checked baggage allowance of 15 kgs per passenger for all domestic Bookings, from EX-IXJ and SXR free checked in baggage allowance is 22 kgs per passenger per flight. SpiceJet does not accept responsibility for unsuitably packed, perishable, damaged or fragile baggage or for minor damage to the exterior of baggage (e.g. scratches, stains, soling, dents) resulting from normal wear and tear or for water damage to non-waterproof baggage.
Cabin baggage of maximum 7 kg (which would include Laptop and duty free shopping bags) having maximum overall dimensions of: 115 cms. (L+W+H) on Boeing flights and 108 cms. (L+W+H) on Bombardier flights, is allowed to be carried per passenger, free of cost. Passengers with infants are allowed to carry an additional piece of hand baggage of maximum 7 kg., not exceeding the size dimensions, as mentioned hereinbefore Due to airport security regulations, no cabin baggage is allowed on flights originating from Jammu or Srinagar airports.
The free checked baggage allowance on SpiceJet international flights is as follows.


Sector
Free Bag Allowance
Excess Baggage Per KG


​Ex India to Male
20 Kgs
INR 500
Ex India to Muscat
30 Kgs
INR 525
Ex India to Bangkok
20 Kgs
INR 525
Ex India to Colombo
30 Kgs
INR 660
Ex India to Dubai
30 Kgs
INR 525
Ex India to Kabul
30 Kgs
INR 500
Ex India to Dhaka
20 Kgs
INR 175
Ex Male
20 Kgs
USD 9
Ex Colombo
30 Kgs
LKR 1560
Ex Dubai
30 Kgs
AED 60
Ex Kabul
30 Kgs
USD 9
Ex Muscat
30 Kgs
OMR 4
Ex Bangkok
20 Kgs
THB 315
Ex Dhaka
20 Kgs
BDT 215


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