Hilton is running a complimentary night offer for its luxury brands – LXR, Waldorf Astoria and Conrad. You can check the details and book here.

The promotions is advertised for “Fourth Night Free”:

• Book between 4 and 7 nights at participating hotels
• Enjoy 25% off the Best Flexible Rate
• Use the promo page to book, or enter promo code PBBOG1

Here are some nightly rate examples:

• Waldorf Astoria Edinburgh – £264
• Waldorf Astoria Berlin – €321
• Conrad London St James – £326
• Conrad Istanbul Bosphorus – €245
• Conrad Algarve – €245

Remember to check the cancellation policy when you book.