Contact us

KLM Service Centre
For questions about a reservation you made at our website or to change or cancel an online reservation. Also for questions about online check-in or for contacting us in the event of technical problems at our website.
Telephone number:
1-866-434-0320
Opening hours:
7 days a week 08:00 am - 07.30 pm (EST)
Note:
Outside these opening hours, you can contact Delta/KLM reservations at 1-800-618-0104.