Transferring dates

I have just been told in work my holidays are being changed. I was wondering if it would cost too much to transfer my holiday from August to July on the Thomson tui Discovery. Does anyone have any experience of this? Any information would be valued.

Thank you

It's £50 per person last time I changed .

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And you may have to pay any increases in the cruise since you booked, suggest you do a dummy booking for the new date before you ask.

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