Customer Service Number
US flight information and assistance
1-800-618-0104General airline assistance. The airline or ticket seller determines whether a booking can be changed, cancelled or refunded; this is not a dedicated refund hotline.
Toll-free in the listed region. Mobile airtime or international charges may apply.
Thistle Crossing Contact Guide is an independent directory, not KLM Royal Dutch Airlines’s customer service team. The numbers above belong to the company, not this directory.
KLM’s recorded US telephone is labelled for flight information and assistance. Its contact hub, booking-management guidance and cash-refund information provide separate paths for different questions.
Check the country and department next to a number. A reservations line may not handle baggage claims, bank cards or a travel agency’s ticket.
Open the airline’s own contact page to see its current chat, forms and country-specific options. An email form or social profile is not necessarily monitored for urgent travel.
See KLM Royal Dutch Airlines contact optionsFIND THE RIGHT ROUTE
Ask about a different flight, a ticket exchange or a change to an existing booking. Fare differences and ticket rules may apply.
Manage your bookingCheck your ticket conditions before cancelling. If a travel agency issued your ticket, contact the seller about the next step.
Open the airline’s cancellation helpThe airline or ticket seller decides eligibility. A cancelled flight or booking does not always result in a cash refund.
Open official refund guidanceUse the airline’s own online route. No separate refund phone is listed here.Calls go directly to the listed airline. This guide cannot change tickets, submit refunds or access your booking.
Use the department label to find the right team. Check the region and source before making a call or opening an online service.
General airline assistance. The airline or ticket seller determines whether a booking can be changed, cancelled or refunded; this is not a dedicated refund hotline.
Source · Checked 2026-09-20Thistle Crossing Contact Guide is independent and is not affiliated with KLM Royal Dutch Airlines. We cannot access accounts, make reservations or resolve company support cases.
For a flight booking, start with the ticket seller or the airline’s reservations route. For a missing bag, use the baggage contact and keep the baggage-tag reference handy. Submit private booking details only through the provider’s official service.
