Best Allentown (PA) Hotels With 18+ Check-In (Updated December 2025)

Welcome to Allentown, the captivating third-largest city of Pennsylvania! Nestled within the Lehigh Valley, Allentown offers a unique blend of rich history, vibrant arts scene, and an array of outdoor adventures awaiting young, spirited explorers. With its roots dating back to the American Revolutionary War, this city is a treasure trove of historical landmarks. But, Allentown is not all about the past. It's a city that pulses with youthful energy. Whether you're an art enthusiast wanting to explore the Allentown Art Museum, a foodie ready to dive into diverse cuisine, or an adrenaline junkie looking for the next thrill at Dorney Park & Wildwater Kingdom, Allentown has something for everyone! Get ready to create unforgettable memories in Pennsylvania's gem, Allentown.

Below is a list of hotels and motels in Allentown that allow reservations for guests under 21, including those aged 18, 19, and 20. From cheap options to more adult-focused accommodations, there's a variety of places to rent that fit your needs and preferences!

Please note that hotel policies regarding the minimum check-in age in Allentown can change at any time. While we aim to keep our information updated, we recommend confirming the minimum age requirement with the hotel or motel before making a reservation.