Watch A Christmas Detour for Free: How to Stream the Movie Online at 123Movies. . A bubbly bride-to-be’s Christmas plans take an unexpected turn when her holiday flight to New York is detoured and she encounters a cynical bar manager who has lost his faith in love. As she scrambles to make it back east for Christmas—and plan her upcoming wedding—she begins wondering if she’s marrying the right man, and learns a surprising lesson about love.