# Hotel booking engine development > A hotel booking engine lets guests book rooms directly on the hotel website: live availability and rates, room and package selection, add-ons, promo codes, secure payment and instant confirmation, synced with the channel manager and property management system. Infikey builds custom booking engines for hotels and groups. Typical builds cost USD 15,000–40,000. A booking engine on your own website that converts lookers into guests and keeps the OTA commission in your pocket. - **Budget:** USD 15k–40k (INR 12–32 lakh) - **Sync:** Channel manager, PMS, Google Hotel Ads - **Payments:** Cards, UPI, wallets, pay at hotel, deposits ## Booking engine features | Area | Features | |---|---| | Search | Date picker with lowest-rate calendar, guests and rooms, multi-property search for groups | | Rates | Rate plans, length-of-stay and early-bird rules, member rates, corporate codes | | Upsell | Packages, breakfast, transfers, spa, late checkout, room upgrades | | Payment | Full prepay, deposit or pay at hotel, multi-currency, tokenised cards | | Policies | Cancellation rules by rate plan, automatic refunds where allowed | | Guest | Booking management, modify or cancel, pre-arrival forms, loyalty profile | | Marketing | Promo codes, abandoned booking emails, GA4 and ads conversion tracking | ## Why custom instead of a plug-in widget - **Conversion**: a booking flow that matches your website and brand, without sending guests to a slow third-party page. - **Packages and experiences** that generic widgets struggle with, such as wedding blocks, dive packages or wellness retreats. - **Group features**: one engine for several properties, with shared loyalty and reporting. - **No per-booking fees** to a widget provider. If your needs are standard and you run one property, a booking engine bundled with your channel manager may be enough. Our [custom software vs off-the-shelf guide](https://infikeytechnologies.com/compare/custom-software-vs-off-the-shelf) helps you decide. ## Cost | Scope | Budget (USD) | Budget (INR) | |---|---|---| | Single-property engine with channel manager sync | 15,000–25,000 | 12–20 lakh | | Multi-property engine with packages and loyalty | 25,000–40,000 | 20–32 lakh | | Add guest app with mobile check-in | +20,000–35,000 | +16–28 lakh | These are planning ranges, not quotes. Pair it with a fast hotel website; the [website cost calculator](https://infikeytechnologies.com/tools/website-cost-calculator) gives a quick estimate. ## Project blueprint: Direct booking engine for a boutique resort group Based on the requirements we hear most often from buyers like this. A group of boutique resorts gets most bookings through online travel agencies and pays high commission on each. Its website sends guests to a slow third-party booking page, and packages such as wellness stays cannot be sold online. What we would build: - Booking flow inside the resort website with live rates and availability - Packages and add-ons such as transfers, spa and meal plans - Member rates and promo codes for repeat guests - Channel manager sync to prevent overbooking - Abandoned booking emails and conversion tracking for ads How success is measured: - Share of bookings made direct - Commission saved per month - Booking engine conversion rate - Add-on revenue per booking ## Frequently asked questions ### How do we avoid overbooking? The engine reads and writes availability through your channel manager or PMS in real time, so a room sold on any channel disappears from all others. ### Can we offer a lower price than OTAs? Check your OTA contracts for rate parity terms. Many hotels instead offer member-only rates, free breakfast or flexible cancellation on direct bookings, which the engine supports. ### Will it work with Google Hotel Ads? Yes. We connect your rates to Google through a supported integration partner so guests can book directly from Google search and Maps. ## Related guides - [Travel and hospitality software development company](https://infikeytechnologies.com/industries/travel-hospitality): Infikey Technologies builds travel and hospitality software: hotel booking engines and guest apps, B2C and B2B travel booking portals, tour... - [Property listing portal development](https://infikeytechnologies.com/industries/real-estate/property-listing-portal): A property listing portal lets agents, developers and owners list properties and buyers or tenants search, compare and enquire. 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