$109 Cheap Delta flights Houston (IAH) to Phoenix (PHX)

View $109 flight on Sat, Aug 23, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$109 Cheap Delta flights Houston (IAH) to Phoenix (PHX)

Prices were available within the past 7 days and start at $109 for one-way flights and $211 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Oct 13 - Tue, Oct 14
IAH
Houston
PHX
Phoenix
$211 Roundtrip, found 21 hours ago
$211
Roundtrip
found 21 hours ago
Select Delta flight, departing Mon, Oct 13 from Houston to Phoenix, returning Tue, Oct 14, priced at $211 found 21 hours ago
0
Flights from Houston (IAH) to Phoenix (PHX)
Origin airport
George Bush Intercontinental
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Popular airline
Frontier Airlines
Distance
1006 mi

Frequently asked questions

How much is a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Sky Harbor Intl. Airport (PHX)?
Finding cheap one-way Delta Air Lines flights from IAH to PHX from $109 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $211 for your next getaway.**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.
What is the cheapest month to fly from IAH to PHX with Delta Air Lines?
July is one of the least expensive months to jet off to Phoenix with Delta Air Lines. You could also find great prices on return and one-way tickets in August.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Sky Harbor Intl. Airport (PHX) with Delta Air Lines?
For cheap Delta Air Lines fares from George Bush Intercontinental Airport (IAH) to Sky Harbor Intl. Airport (PHX), start searching one to three months before your planned departure. Securing 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 affect the overall cost. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.
Does Delta Air Lines fly nonstop from George Bush Intercontinental Airport (IAH) to Sky Harbor Intl. Airport (PHX)?
Fill in your dates, click search and use the "Nonstop" filter on Expedia to browse any direct flights from IAH to PHX with Delta Air Lines or other carriers.
What is the earliest Delta Air Lines flight from IAH to PHX?
To find the earliest departure from IAH to PHX with Delta Air Lines, filter your results by "Early Morning" and "Morning." Booking an early flight usually means cancellations are less likely.**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.
What airports does Delta Air Lines fly into in Phoenix?
Jump on a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Phoenix, and you'll most likely land at Sky Harbor Intl. Airport (PHX). This is the airline's main hub here.
Why fly with Delta Air Lines from IAH to PHX?
Taking off from IAH to PHX with Delta Air Lines means enjoying plenty of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Sky Harbor Intl. Airport (PHX)?
Depending on your ticket type, a fee is typically charged if you cancel or change your booking more than 24 hours after confirmation. To secure flexible plane tickets, select our "Changes included" and "No cancel fee" boxes when searching for flights. To learn more about canceling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.