1) Validity (when you can book + when you can travel)
Booking window (Offer Period): Dec 1, 2025 from 00:01 to 23:59 IST (one day only).
Travel window: Jan 7, 2026 to Jun 30, 2026.
2) Who gets it + where to book
Only for IndiGo BluChip Members.
Must book via goindigo.in or IndiGo app.
Must apply promo code: IBCDAY.
Works only on select domestic & select international sectors (not all routes).
3) Flight fare discounts (main ticket)
A) Non-stop / direct flights (tier-based)
Economy fares (Saver, Flexi plus, Super 6E):
Blu 3: 10%
Blu 2: 15%
Blu 1: 18%
Business fares (Stretch, Stretch+):
Blu 3: 8%
Blu 2: 12%
Blu 1: 15%
B) Connecting flights (route-based, not tier-based)
Domestic connecting: 10%
International connecting: 5%
4) Add-on (ancillary) discounts (pre-book only)
Discounts up to 30% for:
Seat Select
Excess Baggage
Fast Forward
…and only if pre-booked.
Tier-based add-on discount:
Blu 3: 10%
Blu 2: 20%
Blu 1: 30%
Note: Add-on discounts vary by sector/schedule/journey type, and they say no extra “anniversary discount” beyond what’s stated.
5) What’s included / excluded
Included:
IndiGo-operated flights: non-stop, connecting, multi-city
One-way and round-trip
The listed economy + business fare families
Excluded:
Codeshare flights
Group bookings
Any other promo/offer (can’t be clubbed)
6) Important conditions / restrictions
Limited inventory: discount seats can sell out; IndiGo decides availability.
Non-transferable and not redeemable for cash.
They describe it as non-refundable / non-exchangeable, but also say you can change itinerary by paying change fee + fare difference (so: changes possible, but you pay).
Normal conditions of carriage + govt rules (visa/health etc.) apply; denial of boarding due to non-compliance is on the passenger.