Referral discounts are not combinable with Friends & Family or Group Tour discounts. In order to qualify for this program, the referrer must have traveled with Go Ahead Tours in the past. Referrer will receive a credit towards a future tour in the amount of $100, which will be applied to their account once the referred traveler has booked his/her first GAT tour. Offer is not valid retroactively and is available for new reservations only.