http://www.monarch.co.uk/faq/flights/eu-regulation-261-2004/your-rights
00443330030105
http://www.monarch.co.uk/faq/flights/contact-us/email-us
Customer Relations Department Monarch Airlines Prospect House Prospect Way London Luton Airport Luton Bedfordshire LU2 9NU ENGLAND
https://www.monarch.airlineluggageclaims.com/
UK: tel 0333 003 0105 Mon-Fri 09:00-13:30
http://www.monarch.co.uk/contact-us/flights