$164 Cheap Delta flights Tucson (TUS) to Houston (IAH)

Landing cheap one-way Delta Air Lines flights from TUS to IAH from $164 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $327 for your next exciting adventure.**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 tend to be more affordable in the low-season months of November and February. Whether you need a one-way or round-trip ticket, you could find a better deal then.

Start searching one to three months ahead of your travel date to get cheap fares on Delta Air Lines flights from Tucson Intl. Airport (TUS) to George Bush Intercontinental Airport (IAH). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*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.

Fill in your dates, click search and use the “Nonstop” filter on Expedia to browse any direct flights from TUS to IAH with Delta Air Lines or another carrier.

Browse Delta Air Lines’s earliest flights from TUS to IAH by selecting our “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.

Delta Air Lines flights from Tucson Intl. Airport (TUS) to Houston arrive at George Bush Intercontinental Airport (IAH). This is the main entry point here.

Delta Air Lines makes flying from TUS to IAH enjoyable with a rewarding loyalty program and an excellent in-flight experience. You also have the chance to earn points with Delta SkyMiles. Don’t forget to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after it’s been confirmed. To secure plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when searching for flights. For additional information on modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”