KLM Royal Dutch Airlines is an international airline based in the Netherlands and part of the Air France-KLM Group. Travelers may need customer service for a reservation, flight change, cancellation, refund, disrupted flight, delayed baggage, accessibility request, Flying Blue account, compensation claim, or post-travel complaint.
For KLM customer service in the United States, call 1-800-618-0104. KLM currently advertises 24/7 customer service for direct bookings and also provides issue-specific online support through its Customer Contact Centre, My Trip, refund tools, baggage tools, and claims system.
- U.S. Customer Service and Reservations: 1-800-618-0104
- Customer Service: KLM advertises 24/7 support through its direct customer-service channels
- Flying Blue U.S. Support: 1-800-375-8723, 24/7
- Manage a Booking: KLM My Trip
- Refunds and Compensation: KLM Refund and Compensation
- Customer Contact Centre: Contact KLM
- KLM Headquarters: Amsterdamseweg 55, 1182 GP Amstelveen, The Netherlands
- Official Website: KLM.com
How to Contact KLM Customer Service
U.S. travelers can call KLM at 1-800-618-0104 for reservations and many general travel questions. KLM also routes travelers to online self-service options based on the exact issue.
For an existing booking, start with My Trip whenever possible. You may be able to change a flight, add baggage, select or change a seat, update travel details, or review the current itinerary without waiting for an agent.
If the problem involves a completed trip, refund, compensation request, baggage claim, or formal complaint, use the appropriate claim or refund route rather than repeatedly calling reservations.
What to Have Ready Before Contacting KLM
- Your six-character KLM or Air France booking code
- Passenger name exactly as shown on the ticket
- Ticket number when available
- Flight number and travel date
- Departure and destination airports
- Flying Blue number for loyalty-program issues
- Baggage PIR or file-reference number for delayed luggage
- Claim or complaint number for an existing case
- Receipts for eligible disruption or baggage expenses
- Screenshots of error messages or schedule changes
- The specific resolution you are requesting
Do not post your booking code, ticket number, passport information, Flying Blue number, baggage file reference, or payment information publicly.
KLM Flight Changes and Cancellations
Many KLM flight changes can be handled through My Trip. Available changes depend on the ticket conditions, route, travel class, availability, and whether KLM or another seller issued the ticket.
If you want to cancel a flight, check the fare conditions before requesting a refund. KLM says the amount returned can depend on the route, travel class, ticket type, and whether the cancellation is voluntary or results from a flight disruption.
Customers who booked through a travel agent or another third party may need to contact that company first for changes or refunds because the agency controls the ticket.
KLM Refunds
KLM provides an online system for requesting eligible cash refunds. The system checks the unused portion of the trip and the applicable ticket conditions.
For flights to and from the United States, KLM currently states that it submits approved refunds to the relevant bank or card company within:
- Credit-card purchases: 7 business days
- Debit card, cash, or check purchases: 20 calendar days
Your bank or card issuer may take additional time to post the credit after KLM submits it.
For flights whose origin and destination are outside the United States, KLM currently advises that ordinary refund processing generally takes approximately two to four weeks.
KLM 24-Hour Refund for U.S. Travel
KLM’s U.S. Customer Commitment states that customers traveling to or from the United States who book through KLM’s U.S. website can request a refund within 24 hours after booking, together with qualifying paid options purchased at that time.
Use the current KLM refund system and review the exact booking conditions before cancelling.
Cancelled or Delayed KLM Flights
If KLM cancels, significantly changes, or delays a flight, first review My Trip and the current flight-disruption information. KLM may automatically rebook affected travelers when possible.
Depending on the circumstances and itinerary, travelers may have options involving:
- Rebooking
- A cash refund
- Reimbursement of qualifying expenses
- Compensation under applicable passenger-rights rules
- Meals or accommodations in qualifying disruptions
Eligibility is fact-specific. European passenger-rights rules can apply to certain KLM itineraries, while U.S. Department of Transportation refund requirements apply to qualifying flights to and from the United States.
Save boarding passes, receipts, cancellation notices, rebooking messages, hotel bills, meal receipts, and transportation receipts until any claim is resolved.
KLM Delayed or Missing Baggage
If your checked bag does not arrive, report it as soon as possible. The best option is to report delayed baggage at the airport baggage desk before leaving the airport.
In most locations, KLM also allows online reporting. KLM’s current delayed-baggage FAQ advises travelers to complete the online report within 48 hours after arrival when that option is available.
After the report is created, you will receive a Property Irregularity Report, commonly called a PIR, with a file-reference number. Keep that number because it is used to track the baggage.
KLM states that most delayed bags are located within three days. Starting 24 hours after the report, customers can check baggage status using the last name and file-reference number.
If a KLM Bag Is Still Missing After 21 Days
If KLM has not located the bag within 21 days, contact the KLM Customer Contact Centre to discuss the next steps and any applicable baggage claim.
Do not discard baggage tags, boarding passes, receipts, or the PIR while the claim remains open.
Reimbursement for Essential Purchases
If your checked baggage is delayed while you are away from home, KLM says reasonable and necessary replacement purchases may qualify for reimbursement. Examples can include essential toiletries and basic replacement clothing.
Keep every receipt. KLM currently says a request for reimbursement of reasonable delayed-baggage expenses should be submitted within 21 days after the baggage is returned to you.
Damaged KLM Baggage
Report visible baggage damage at the airport whenever possible. If you discover damage only after leaving the airport, KLM currently allows up to seven days from the date you received the baggage to submit a damage compensation request.
Photograph the baggage, damaged area, baggage tag, and any damaged contents before repairing or disposing of anything that may be relevant to the claim.
Using an AirTag With Delayed KLM Baggage
KLM allows travelers with an Apple AirTag or compatible Find My network device inside a delayed bag to share a secure location link to help with baggage recovery.
If the tracking device shows your bag at an airport, do not go to the airport solely because of the tracker location. KLM advises waiting until you receive confirmation that the bag is available for pickup or scheduled for delivery because customs and baggage-processing procedures may still be underway.
Lost Items on a KLM Flight
A personal item left onboard is different from checked baggage that failed to arrive. The correct lost-property process depends on the operating airline and arrival airport.
If something is missing from the contents of checked baggage, KLM advises contacting it within seven days after arrival.
Use the official KLM Lost Items guidance to determine the correct process.
KLM Accessibility and Special Assistance
KLM provides assistance for passengers with reduced mobility, wheelchairs, service animals, medical needs, and other qualifying travel requirements.
For wheelchair assistance, request help through My Trip or contact KLM at least 48 hours before departure. Other special-assistance requests can be submitted through KLM Cares.
Use the official KLM Assistance and Health section for current requirements.
Passengers traveling to or from the United States also have protections under the Air Carrier Access Act. KLM states that Complaint Resolution Officials are available at covered airports to address disability-related air-travel issues.
KLM Flying Blue Customer Service
Flying Blue is the loyalty program shared by KLM and Air France. For Flying Blue account problems in the United States, call 1-800-375-8723. Current Flying Blue support is listed as available 24/7 in English and French.
Flying Blue support can help with issues involving:
- Missing Miles or XP
- Account access
- Profile information
- Reward tickets
- Mileage upgrades
- Membership questions
Flying Blue currently says missing Miles and XP from eligible flights can generally be claimed if they have not appeared after two weeks, with qualifying flight claims accepted for up to six months after the flight.
KLM Customer Complaints and Claims
For a post-travel complaint, reimbursement request, or service claim, use KLM’s official claim system. Signing in can make it easier to associate the request with your existing booking and Flying Blue account.
If you already submitted a claim, use your existing request number rather than repeatedly opening new cases. KLM provides an online claim-tracking system for eligible requests.
Under KLM’s current U.S. Customer Commitment, written customer complaints are acknowledged within 30 days and receive a substantive response within 60 days.
KLM also publishes the following U.S. Customer Relations mailing address:
KLM Customer Relations
P.O. Box 20980
Department 980
Atlanta, GA 30320-2980
This is a customer-relations mailing address and is different from KLM’s corporate headquarters in the Netherlands.
Escalating a U.S. Air Travel Complaint
- Contact KLM first. Give the airline an opportunity to resolve the booking, refund, baggage, accessibility, or service issue.
- Keep your case number. Save the date, response, booking information, and supporting documents.
- Use the correct claim route. Refund, baggage, expense, and post-travel claims have different online processes.
- Follow up on the existing case. Avoid unnecessary duplicate submissions.
- For unresolved U.S. air-travel issues, consider the U.S. Department of Transportation complaint process.
The U.S. Department of Transportation recommends first giving the airline an opportunity to resolve the problem. Its Office of Aviation Consumer Protection accepts complaints involving airline service, refunds, baggage, disability issues, and other covered consumer matters.
KLM Scam and Phishing Warnings
Do not provide passwords, payment-card security codes, one-time authentication codes, passport scans, or remote access to your computer or phone to an unverified support agent.
KLM asks customers who receive suspicious emails impersonating the airline to send the original email as an attachment to abuse.domains@klm.com.
KLM Corporate Headquarters
KLM Royal Dutch Airlines currently lists:
Headquarters mailing address:
KLM Royal Dutch Airlines
P.O. Box 7700
1117 ZL Schiphol
The Netherlands
Visiting address:
Amsterdamseweg 55
1182 GP Amstelveen
The Netherlands
KLM is part of the Air France-KLM Group. Routine reservations, refunds, baggage problems, and customer complaints should be handled through KLM’s customer-service and claim routes rather than corporate headquarters.
KLM Customer Service Reviews on CustomerServiceNumbers.com
CustomerServiceNumbers.com currently has no published KLM customer reviews. Because there are zero reviews, there is not yet enough CSN feedback to identify meaningful positive or negative customer-service trends involving reservations, delays, refunds, baggage, accessibility, Flying Blue, or claims.
If you have personally contacted KLM about a booking, cancellation, refund, delayed flight, baggage problem, Flying Blue issue, accessibility request, or post-travel complaint, you can leave a factual review below describing what happened and whether the issue was resolved.
Related Airline Customer Service Pages
KLM Customer Service Frequently Asked Questions
What is the KLM customer service phone number in the United States?
Call KLM at 1-800-618-0104 for U.S. reservations and customer-service assistance.
Is KLM customer service available 24 hours?
KLM currently advertises 24/7 customer service for travelers booking directly with the airline. Use the official Contact KLM page for the currently available phone, messaging, or online support channels.
How do I request a KLM refund?
Use KLM’s online refund system. Check your ticket conditions carefully before submitting the request because KLM says the applicable flights in the booking will be cancelled once the refund request is made.
How long does a KLM refund take in the U.S.?
For flights to and from the United States, KLM currently says approved refunds are submitted within seven business days for credit-card purchases and 20 calendar days for debit-card, check, or cash purchases. Your bank may require additional posting time.
How do I report missing KLM baggage?
Report the bag at the airport baggage desk before leaving whenever possible. In most locations, online reporting is also available, and KLM’s current FAQ recommends completing that report within 48 hours after arrival.
How do I track a delayed KLM bag?
Use the PIR or baggage file-reference number and the passenger’s last name in KLM’s baggage tracking system.
What is the Flying Blue customer service number?
U.S. Flying Blue members can call 1-800-375-8723. Current Flying Blue customer service is listed as available 24/7 in English and French.
How do I request wheelchair assistance from KLM?
Request wheelchair assistance through My Trip or contact KLM at least 48 hours before departure whenever possible.
Where is KLM headquartered?
KLM’s visiting address is Amsterdamseweg 55, 1182 GP Amstelveen, The Netherlands. Its headquarters mailing address is P.O. Box 7700, 1117 ZL Schiphol, The Netherlands.
Where can I mail a U.S. KLM complaint?
KLM’s current U.S. Customer Commitment lists KLM Customer Relations, P.O. Box 20980, Department 980, Atlanta, GA 30320-2980.
Can CustomerServiceNumbers.com change my KLM flight?
No. CustomerServiceNumbers.com is an independent consumer-information and review website. We cannot access KLM reservations, change flights, process refunds, track baggage, award Flying Blue Miles, approve compensation, or resolve claims.
Why Trust CustomerServiceNumbers.com?
CustomerServiceNumbers.com has helped consumers locate customer-service information and share service experiences since 2004. We organize official contact routes, complaint guidance, and public customer reviews independently from the companies listed.
Airline schedules, phone support channels, refund rules, baggage procedures, compensation rights, accessibility requirements, and loyalty-program policies can change. Confirm important travel and account information directly with KLM before taking action.
Share Your KLM Customer Service Experience
Have you contacted KLM about a reservation, flight change, cancellation, refund, delay, missed connection, baggage problem, accessibility request, Flying Blue account, compensation claim, or complaint? Leave a review below describing the general issue, which support route you used, and whether it was resolved.
Customer Service Numbers Disclaimer
CustomerServiceNumbers.com is an independent consumer information and review website. It is not owned by, operated by, sponsored by, or affiliated with KLM Royal Dutch Airlines, Koninklijke Luchtvaart Maatschappij N.V., Air France-KLM, Flying Blue, or the U.S. Department of Transportation. We cannot access reservations, change or cancel flights, process refunds, track baggage, issue compensation, change Flying Blue accounts, arrange special assistance, or decide complaints. Always verify important booking, refund, baggage, accessibility, and passenger-rights information directly with KLM and the appropriate official authority.