One reference pass per travel vertical. The traveller always sees the same card; only the travel details and the partner shown under “Brought to you by” change.
Flight — KLM
DutyBoost DutyCredit
DB-ML4K2X-9F7
Airport of departure
AMS — Amsterdam
Airport of arrival
LHR — London
Status
Active
Valid until
31 Dec 2026
Brought to you by
KLM
Your Flight Travel Partner
Cruise — Costa Cruises
DutyBoost DutyCredit
DB-CR4T7M-2K9
Port of departure
GEN — Genoa
Port of arrival
BCN — Barcelona
Status
Active
Valid until
31 Dec 2026
Brought to you by
Costa Cruises
Your Cruise Travel Partner
Train — NS
DutyBoost DutyCredit
DB-TR8N4S-6P2
Station of departure
Amsterdam Centraal
Station of arrival
Rotterdam Centraal
Status
Active
Valid until
31 Dec 2026
Brought to you by
NS
Your Train Travel Partner
Coach — BlaBlaCar
DutyBoost DutyCredit
DB-CCH5B7-3M1
Station of departure
Amsterdam Sloterdijk
Station of arrival
Paris Bercy
Status
Active
Valid until
31 Dec 2026
Brought to you by
BlaBlaCar
Your Coach Travel Partner
Car rental — Enterprise Rent-A-Car
DutyBoost DutyCredit
DB-CAR9X2-4T8
Pick-up
AMS — Amsterdam
Return
AMS — Amsterdam
Status
Active
Valid until
31 Dec 2026
Brought to you by
Enterprise Rent-A-Car
Your Car Rental Travel Partner
Accommodation — Barceló
DutyBoost DutyCredit
DB-HTL3B8-7Q5
Stay
Barcelona city centre
Status
Active
Valid until
31 Dec 2026
Brought to you by
Barceló
Your Accommodation Travel Partner
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