$150 Cheap Delta flights Houston (IAH) to Allentown (ABE)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines return flights from $237 from IAH to ABE. Affordable one-way tickets from $150 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to get away to Allentown with Delta Air Lines. You could also find great prices on one-way and round-trip fares in March.

Look for affordable Delta Air Lines flights from George Bush Intercontinental Airport (IAH) to Lehigh Valley Intl. Airport (ABE) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct trip from IAH to ABE with Delta Air Lines or another airline, select the “Nonstop” filter when browsing for flights.

Find Delta Air Lines’s earliest flights from IAH to ABE by selecting the “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Lehigh Valley Intl. Airport (ABE) is the main Allentown hub for Delta Air Lines flights from George Bush Intercontinental Airport (IAH).

Delta Air Lines makes traveling from IAH to ABE more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Delta SkyMiles. Make sure you sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making your booking, but your airline may charge a fee after that. For further information about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without being charged, apply the “Changes included” and “No cancel fee” filters when planning your next getaway.