GST Refund on Cancelled Flight Tickets: GSTAT Lets Airlines Claim It Back — What It Means for Passengers

Your flight gets cancelled. The airline refunds your full fare, GST included. But the airline had already paid that GST to the government — and by the time it tried to adjust the amount, the window for issuing a credit note had closed. Is that money simply lost? The Goods and Services Tax Appellate Tribunal (GSTAT) has now said no.

In an order dated 16 October 2026, the GSTAT’s Ernakulam bench allowed eight refund claims worth ₹45,92,528 filed by Singapore Airlines, and directed the tax department to process them within two weeks along with applicable interest. The ruling matters well beyond one airline: it settles how GST on cancelled tickets is treated, and it tells every passenger what to check in their own refund. If you want the wider picture of how refunds work after the recent overhaul, read our guide to the GST refund process changes that took effect in 2026.

What actually happened

Between October 2019 and March 2021 — the Covid-19 period — Singapore Airlines cancelled a large number of flights and refunded passengers the entire ticket fare, including the GST component. The airline had already collected that GST from passengers and paid it to the government.

Normally, an airline in this situation issues a credit note and adjusts the GST against its future output tax liability. That is the route under Section 34 of the CGST Act, 2017. Here is the catch: the airline could not adjust the credit notes because there was insufficient output tax liability to absorb them, and the statutory time limit for adjustment had expired. So it filed refund claims instead — eight of them, totalling ₹45,92,528.

The department rejected the claims. Its argument was that the airline had not adequately demonstrated that the GST component had actually been refunded to the passengers. The Joint Commissioner (Appeals) upheld the rejection, and the airline went to the Tribunal.

What the Tribunal decided

The GSTAT set aside the rejection order and allowed the claims. Three points in the order are worth knowing:

• The refund reached the passengers. The Tribunal found “sufficient evidence” that the refunds had reached the respective passengers directly — so there was no passing on of the incidence of tax, and no unjust enrichment. This is the test that decides most refund disputes.
• The procedure was correct. The Tribunal noted the airline had followed the route in Circular No. 137/07/2020-GST, dated 13 April 2020, which covers refund of GST on cancelled air tickets. The Joint Commissioner (Appeals) had not applied the circular “in letter and spirit”.
• The time limit does not kill the claim. Even though the window for adjusting output tax liability had expired, the airline was entitled to a refund of GST already paid, because it had refunded the full amount — fare plus tax — to customers and could prove it with documents.

The Tribunal also rejected the department’s objection about input tax credit reversal, noting that the transactions were predominantly business-to-consumer supplies — ordinary passengers, not businesses claiming ITC.

What this means for passengers

Be clear about one thing first: this ruling does not give you, the passenger, a second payment from the government. The Tribunal’s order is about the airline recovering GST from the government after it has already refunded you in full. You do not get paid twice.

But the ruling is still useful for you, because it confirms what a proper cancellation refund looks like:

• Your refund should include GST. When an airline cancels a flight, the full fare — base fare plus GST — comes back to you. If your refund statement shows only the base fare, ask for the tax component too.
• Keep the refund proof. The airline won because it could show, passenger by passenger, that the money reached the customer. Your refund confirmation email and bank credit are the same kind of evidence — keep them until the matter is closed.
• Credit notes have a clock. If you are a business traveller who claimed ITC on a ticket that was later cancelled, the credit note must be adjusted in time. Miss the window and you are in the same position Singapore Airlines was — filing a refund claim instead of a simple adjustment.

What this means for businesses that book travel

If your company buys tickets and claims input tax credit, a cancellation creates a small compliance chore that is easy to get wrong:

• Reverse the ITC if you claimed it. A cancelled ticket means no supply happened. If you already claimed ITC on the invoice, reverse it when the credit note arrives — do not leave it sitting in your books.
• Match the credit note to the invoice. The credit note should reference the original invoice and the GSTIN. A mismatch here is exactly the kind of thing that shows up later in a GSTR-2B reconciliation — see our guide to ITC missing from GSTR-2B for the seven usual reasons and fixes.
• Watch the two-year refund clock. Refund claims under Section 54 of the CGST Act must be filed within two years of the relevant date. The Tribunal’s sympathy for a genuine claimant does not extend the limitation period — file early.

A worked example

Take a Delhi–Singapore return ticket priced at ₹28,000, of which ₹1,272 is GST (5% on the economy fare). The airline cancels the flight and refunds you ₹28,000 in full. Under the Tribunal’s reasoning, the airline can claim back the ₹1,272 it paid to the government — but only because it can prove the ₹28,000 reached you. Had it refunded only ₹26,728 and kept the GST, the claim would fail on unjust enrichment. Scale that across thousands of cancelled tickets and you get the ₹45.92 lakh in this case; the principle is the same at any size.

Does this change anything for refunds generally?

Yes, in a small but real way. The 57th GST Council’s refund reforms — including the 90% provisional refund now on a statutory footing — are making refunds faster across the board, and we covered the bigger inverted-duty refund formula that changed on 1 November 2026. This ruling adds a judicial push in the same direction: a genuine refund, properly documented, should not be defeated by a procedural time limit. That said, do not read it as a free pass — the airline won because its documentation was complete. A claimant with patchy records would lose on the same facts. And if you ever receive a demand instead of a refund, our GST notice survival guide walks through the reply routine step by step.

One practical check before you travel: if a fare looks odd, work out the GST on any fare on the GST calculator so you know exactly how much of your ticket price is tax — and therefore how much should come back if the flight is cancelled.

FAQs

Can I claim a GST refund directly from the government for a cancelled flight?
No. The refund claim belongs to the airline, which paid the GST to the government. Your claim is against the airline for a full refund of fare plus GST. The Tribunal’s order only lets the airline recover what it already returned to you.

What if the airline refunded only the base fare and kept the GST?
Ask for the GST component in writing, citing the fare breakup on your ticket. If the airline refuses, you can raise it with the airline’s nodal officer and then with the consumer forum — the GST on a cancelled supply is not the airline’s to keep.

Does the ruling apply to domestic flights too?
Yes. The principle — full refund to the passenger, documented, then a refund claim by the supplier — applies to any cancelled air ticket, domestic or international. The case happened to involve international flights, but nothing in the reasoning turns on that.

How long does the department have to pay?
In this case the Tribunal directed processing within two weeks, with interest from the date of the original refund applications until actual payment. Interest on delayed refunds is the norm, not a favour.

I claimed ITC on a cancelled business ticket. What now?
Reverse the ITC when the credit note is issued, and make sure the credit note is reflected in your GSTR-2B reconciliation. If the credit note cannot be adjusted in time, a refund claim under Section 54 is the fallback — but file it within the two-year limit.

Sources

GSTAT, Ernakulam Bench, order dated 16 October 2026 in Singapore Airlines Ltd v. Commissioner of CGST & Central Excise, Kochi — eight refund claims totalling ₹45,92,528 for October 2019 to March 2021, refund directed within two weeks with interest, as reported by The Economic Times on 25 October 2026 and News18 on 26 October 2026. Circular No. 137/07/2020-GST, dated 13 April 2020 (CBIC), on refund of GST on cancelled air tickets. Sections 34 (credit notes) and 54 (refunds) of the CGST Act, 2017. For the full GST guidance hub, see the complete GST guide hub on TaxGST.in.