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About this tool
Compare IndiGo airport excess baggage charges against prepaid baggage slabs and see which option costs less.
The IndiGo Excess Baggage Cost Estimator works out what extra kilograms cost on an IndiGo booking by pricing the same overweight two ways: per kilogram at the check-in counter, and as a prepaid excess baggage slab bought before travel. It applies the two rounding rules that decide the answer — the counter rounds a part kilogram up to the next whole kilogram, and prepaid excess is only sold in fixed blocks per passenger, so a 7 kg overweight forces you to buy a 10 kg block. Both rates are editable, so you can drop in the figures shown on your own booking page.
Open IndiGo Excess Baggage Cost Estimator on AltFTool — it loads instantly in your browser.
Set 'Free checked allowance on your ticket', 'Passengers on the booking', 'Total checked baggage weight (kg)' and 'Heaviest single bag (kg)'.
Type the figures from your booking page into 'Counter rate (INR per kg)' and 'Prepaid rate (INR per kg)', and tick the pooled-allowance box if you travel together.
Compare 'Pay at the counter' against 'Prepay total', check 'Unused prepaid weight' and the 3, 5, 10, 15, 20 and 30 kg slab ladder, then press 'Copy result'.
Shows the block you are forced to buy and how many kilos of it go unused.
Names the cheaper option instead of assuming prepaying always wins.
Warns when one bag is too heavy to be accepted however much you pay.
Domestic excess is billed per kilogram at the check-in counter, and the published rate has sat in the ₹500–₹550 per kilogram range in recent fare sheets. Buying the same weight in advance as a prepaid excess baggage slab is cheaper per kilogram, which is why this tool prices both. Rates change with the fare sheet, so check the current figure on the booking page and type it in.
A regular domestic economy ticket carries 15 kg of checked baggage per passenger, plus one 7 kg cabin bag and one 3 kg personal item. Hand-baggage-only fares carry no free checked allowance at all, and international sectors are typically 20 kg to 30 kg depending on the route, so read the allowance printed on your own ticket rather than assuming 15 kg.
Usually, but not always. The prepaid per-kilogram rate is lower, yet prepaid weight is sold in fixed blocks — 3, 5, 10, 15, 20 and 30 kg — so a small overweight can cost more to prepay than to pay for at the counter. If you are 1 kg over, one kilogram at the counter rate beats buying a 3 kg block; at 10 kg or more over, prepaying wins clearly.
No. A single piece over 32 kg is refused at check-in regardless of what you pay, because it exceeds the manual-handling limit ground staff work to. Split the contents across two bags and pay excess on the total weight instead. Paying for excess buys extra weight, never an exemption from the per-piece limit.
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