Where tickets are exchanged for a higher priced ticket, customers will need to pay the difference. Child tickets Will not incur an exchange fee.

Where tickets were purchased before an exchange fee of $55 per person, per individual journey will apply to tickets in Standard and an exchange fee of $60 per person, per individual journey will apply to tickets in Standard Premier. Where tickets are exchanged less than 7 days before the departure time of each individual journey an exchange fee will be incurred as follows: Adult tickets Where tickets are purchased on or after an exchange fee of $40 per person, per individual journey will apply to tickets in both Standard and Standard Premier. Customers may exchange tickets in Standard and Standard Premier without paying an exchange fee if tickets are exchanged 7 days or more before the departure time of their individual journey. Train + Hotel † Savings based on Train + Hotel package bookings on when compared at the time of booking to the price of the same standalone train and standalone hotel booked separately on Flexible tickets **Tickets are exchangeable before departure. Availability is limited for travel on Fridays and weekends. All seat numbers correct as of for travel between and inclusive. There are 6,500 seats available from London to Brussels and Lille, and 13,500 seats available from Brussels and Lille to London.

There are 9,500 seats available from London to Paris, and 9,500 seats available from Paris to London. Tickets between London and Paris/Lille/Brussels *From $52 per person one way based on a mandatory return trip in Standard Class, valid between London St Pancras International and Paris Gare du Nord, between London St Pancras International and Brussel-Midi, and between London St Pancras International and Lille Europe.

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