With Memorial Day just a few weeks away, many travelers are already looking ahead to the summer. And as the warmer months approach, the Transportation Security Administration is offering a limited-time PreCheck discount aimed at younger travelers. Beginning Friday through May 31st, travelers between 18 and 30 years old can receive an automatic $20 discount, lowering the price to anywhere between $56.75 and $65 for a five-year membership, with prices depending on the enrollment provider.