$137 Cheap Delta flights Greenville (GSP) to Houston (IAH)

Landing cheap one-way Delta Air Lines flights from GSP to IAH from $137 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $229 for your next break.**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.

Delta Air Lines flights to Houston are generally more affordable in the quieter months of November and February. Whether you’re in search of a round-trip or one-way ticket, you could find a better deal then.

To find cheap Delta Air Lines fares from Greenville-Spartanburg Intl. Airport (GSP) to George Bush Intercontinental Airport (IAH), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**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.

Simply enter your dates, hit search and tick the “Nonstop” filter on Expedia to browse any direct flights from GSP to IAH with Delta Air Lines or other airlines.

Browse Delta Air Lines’s earliest flights from GSP to IAH by selecting the “Morning” and “Early Morning” filters. Not only will you get to where you’re going 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.

Jump on a Delta Air Lines flight from Greenville-Spartanburg Intl. Airport (GSP) to Houston, and you’re most likely to come in to George Bush Intercontinental Airport (IAH). This is the airline’s primary hub in this city.

Delta Air Lines makes flying from GSP to IAH enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Delta SkyMiles. Remember to join 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 booking, but your airline may charge a fee after that time. For further details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without additional charges, check the “No cancel fee” or “Changes included” filter when organizing your next trip.