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Every business flight you take has GST buried in the fare — 5% on economy, 12% on premium cabins. If you're GST-registered, that tax is claimable as input credit, which on a season of wedding-industry travel adds up to real money. But the credit exists only if the airline issues a proper tax invoice with your GSTIN on it — and airlines only do that if you feed them the GSTIN at the right moment. Miss the window, and the credit is usually gone.
Here's the full workflow.
The rates and what's claimable
| Cabin | GST on base fare | ITC for registered businesses |
|---|---|---|
| Economy | 5% | Claimable (airline's ITC-restricted rate doesn't restrict your credit) |
| Premium economy/Business | 12% | Claimable |
Conditions for your claim, same as any input tax credit: the travel is for business, you hold a valid tax invoice bearing your GSTIN, and the airline reports it in their GSTR-1 so it lands in your GSTR-2B. Personal trips don't qualify — and mixing them in is the kind of pattern that unravels in scrutiny.
Note the place-of-supply mechanics: for passenger transport, place of supply (B2B) is the registered recipient's location, so the invoice generally shows IGST or CGST+SGST depending on the airline's registration and your state — the airline's systems handle this once your GSTIN is in the booking.
The critical step: GSTIN at booking time
Airlines generate the tax invoice from booking data. The workflow that works:
- Book with your business GSTIN entered in the "GST details" section — every Indian airline's website and most OTAs (MakeMyTrip, Cleartrip, Yatra) have this field at checkout. Corporate name must match your registration.
- If you forgot: airlines allow adding/editing GST details for a limited window — typically until check-in or a set number of days post-booking. After ticket usage, most airlines refuse changes, and the invoice stays a B2C document. Set a personal rule: GSTIN goes in at booking, always.
- Booking through agents/OTAs: insist the airline invoice carries your GSTIN, not the agent's. The agent's service-fee invoice is a separate, smaller credit. (How agency billing splits.)
Downloading the invoice, airline by airline
Airlines don't email tax invoices reliably — you fetch them:
- IndiGo: goindigo.in → "View/Manage Booking" → GST Invoice (available post-departure; also a dedicated "GST Invoice" retrieval page using PNR + email)
- Air India: airindia.com → GST Invoice section under Manage Booking; invoices generally available within days after travel
- Akasa, SpiceJet, Vistara-merged AI: same pattern — Manage Booking → GST invoice with PNR
- OTAs: the airline invoice sits in your trip details; the OTA's own convenience-fee invoice is separate
Make it a monthly ritual: pull invoices for the month's flights, file them with your purchase invoices, reconcile against GSTR-2B at filing time. Invoices not appearing in 2B → the GSTIN wasn't captured, or was captured wrong; fix the habit, the past credit is typically unrecoverable.
Wedding-vendor specifics
Travel-heavy professionals — destination-wedding photographers, makeup artists flying with brides' families, planners doing site visits — leak the most ITC here, for a fixable reason: bookings are often made by the client or in a rush from a phone. Practical fixes:
- Keep your GSTIN as a saved traveller detail in airline accounts and OTA profiles
- When clients book your travel, the GST credit is theirs (if they're registered) or nobody's — factor that into whether you bill travel at cost or build it into your package
- Billing travel onward to clients? It goes on your invoice as part of your service value (18% GST on your service), while you claim the 5% on the ticket — you don't "pass through" the airline invoice
- Hotels on business trips have their own ITC rules — credit for hotel CGST/SGST is only usable if you're registered in the hotel's state, which travelling vendors usually aren't. Flights are the reliably claimable piece; hotel GST is location-locked
The system that captures it all
The pattern behind every leaked credit: unstructured records. A registered freelancer who logs every business expense — flights, equipment, subscriptions — in one place, with invoices attached, claims what they're entitled to and survives scrutiny calmly. BrightDesk includes expense tracking with categories and booking-level linkage (so you know what that Udaipur wedding actually cost against what you billed), alongside the GST-compliant invoicing for your own outward side. The full expense discipline is in our expense tracking guide.