One of the best things about Lawton's annual International Festival is all the different food! Festival-goers can try the different foods this weekend during the annual International Festival. This year will be the 46th annual International Festival. READ MORE: Local High School Student Wins Festival Poster Competition with Vibrant DesignLawton's annual International Festival is free and open to the public. Lawton's annual International Festival is free and open to the public, plus the festival also offers free parking.