The Ren plane ticket deal isn't so great.
Originally Posted by Ren Fine Print
Travel must be completed October 15, 2011. Voucher is transferable only prior to registering the voucher. This program is valid only between the listed cities located on the voucher or web site (
www.companionbooking.com ), within the 48 Continental United States and to select Canadian cities. Travel reservation must be by registered recipient. Registered recipient and companion must travel on the same itinerary. This companion travel voucher may not be combined with or applied to other certificates, promotions or special offers, including but not limited to; upgrades, government fares, tour/travel packages, group, convention/company meetings fares, bereavement, companion fares, senior citizen discounts, corporate agreements, student fares, child fares, travel industry discounts, internet fares, frequent flyer programs or any unpublished programs. Code share flights do not apply. All purchased tickets are non-refundable, non-endorsable and non-transferable.