How to book hotels in Istanbul cheaper than on Booking.com?

A reliable method: find the hotel's contact info on Google Maps and message or call directly — the rate is almost always lower than on booking platforms.

Some Istanbul hotels refuse to issue a second key card for a group — it's hotel policy. If your group splits up during the day, you'll need to leave the card at reception.

Same trick: check the hotel on Booking.com, then find it on Google Maps and contact them directly — you can often book with pay-on-arrival and get a lower price than through the platform.

Payment lifehack: link an old Mastercard or Visa (just enter a valid expiry date) — it usually works. For the booking itself: find the hotel on Booking.com, then look it up on Google Maps and contact them directly via the listed phone number — they'll often confirm the booking with no issues and at a lower price since they skip the platform's commission.