KAYAK INTRODUCES AI MODE: CONVERSATIONAL TRAVEL SEARCH, JUST IN TIME FOR HOLIDAY PLANNING

Natural language search, powered by ChatGPT, hits the KAYAK homepage

BOSTON, Oct. 15, 2025 /PRNewswire/ -- KAYAK, the world's leading travel search engine, today launched AI Mode, a natural-language search experience that combines KAYAK's data with ChatGPT to deliver smarter, contextual results, right from the home page. KAYAK is the first major travel site to let users plan complete trips by typing questions directly into a search box.

"We launched KAYAK.ai in April for our software engineers to test cutting-edge AI capabilities. AI Mode is the first feature to graduate to our main site," said Steve Hafner, KAYAK CEO. "Travelers aren't limited to preset entry fields anymore. Just tell us what you're looking for in plain language, and we'll answer the same way."

How to Use AI Mode

• Click the "AI Mode" icon on KAYAK from your desktop or mobile browser to get started.
• Type travel-related questions the way you'd say them to another person.
• Get real-time results as KAYAK compares the latest information and prices from hundreds of travel providers.
• Discover, compare, and book flights, hotels and cars—all in one place.

Travel Demand Heats Up for the Holidays
The debut of KAYAK AI Mode comes at the perfect moment for holiday travel planning, as KAYAK data shows that mid-October through early November is the prime window for scoring the best holiday travel deals.

"Holiday flight prices are trending below last year, but, with search demand up 10% vs. 2024, travelers shouldn't wait to book," said Kate Williams, KAYAK Travel Trends Expert & CCO. "This year's sweet spots may surprise you — November 24 is the cheapest day to fly for Thanksgiving at $415 on average, and Christmas Eve offers the best deals ahead of Christmas for both domestic and international trips. With AI Mode, travelers can quickly surface insights like these and plan smarter without the stress.*"

Prompt your Way to Holiday Savings with KAYAK
To help the AI-curious, KAYAK suggests these festive, holiday-themed prompts to reveal instantly actionable trip ideas - whether it's a snow-globe-worthy village or a New Year's Eve bash. Try one in AI Mode or come up with your own to see where it takes you:

• NYC hotels within a half mile of Rockefeller Center for one night, Dec. 23rd
• Cheapest Caribbean destinations for a 7-day trip
• Rent a car from ORD with room for 6 people + lots of Christmas presents and payment at pickup
• Flights from BOS to London for 2 adults, 2 kids, and a baby, Dec. 20 - Dec. 27
• How much would Kevin McCallister'sNew York experience cost?
• I want to party for NYE - where should I go?
• You're in a Hallmark movie. Find me a quintessential winter village for under $600 for flight and hotel.

For tips on writing the best travel prompts, visit KAYAK's blog.

AI Mode is now available in English on KAYAK via desktop and mobile browsers in the US, with more languages and countries rolling out later this month. Additional platforms will follow soon, including voice entry.

About KAYAK
KAYAK, part of Booking Holdings (NASDAQ: BKNG), is the world's leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car and vacation package. Trusted by millions of travelers, the KAYAK app makes travel planning seamless on iOS and Android, and we also support business travelers with our corporate travel solution, KAYAK for Business.

*Methodology
Based on flight searches made on KAYAK in the period between 3.1.2025 and 8.31.2025 for flights with departure between 11.21.2025 and 1.7.2026 from any US airport. They were compared to searches made in the period between 3.1.2024 and 8.31.2024 with the travel period between 11.22.2024 and 1.8.2025. All prices are average prices for round-trip, economy tickets. Prices may vary and savings cannot be guaranteed. Percentages for changes in searches are approximate.

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SOURCE KAYAK