$37 Cheap Flights from Atlanta (ATL) to Houston (IAH)

View $37 flight on Tue, May 13, 2025Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to George Bush Intercontinental Airport (IAH)

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Find available prices by choosing your travel dates.

Cheap Flights from Atlanta to Houston (ATL-IAH)

Prices were available within the past 7 days and start at $37 for one-way flights and $74 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 7 - Sat, May 10
ATL
Atlanta
IAH
Houston
$74 Roundtrip, just found
$74
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 7 from Atlanta to Houston, returning Sat, May 10, priced at $74 just found
Frontier Airlines
Sat, May 17 - Sat, Aug 9
ATL
Atlanta
IAH
Houston
$75 Roundtrip, found 9 hours ago
$75
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from Atlanta to Houston, returning Sat, Aug 9, priced at $75 found 9 hours ago
Spirit Airlines
Mon, Jun 9 - Sat, Jun 21
ATL
Atlanta
IAH
Houston
$78 Roundtrip, found 1 day ago
$78
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Jun 9 from Atlanta to Houston, returning Sat, Jun 21, priced at $78 found 1 day ago
Frontier Airlines
Wed, May 7 - Wed, May 14
ATL
Atlanta
IAH
Houston
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 7 from Atlanta to Houston, returning Wed, May 14, priced at $82 just found
Spirit Airlines
Wed, May 14 - Sun, May 18
ATL
Atlanta
IAH
Houston
$84 Roundtrip, found 1 hour ago
$84
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, May 14 from Atlanta to Houston, returning Sun, May 18, priced at $84 found 1 hour ago
Spirit Airlines
Sat, May 17 - Sat, Aug 9
ATL
Atlanta
IAH
Houston
$84 Roundtrip, found 9 hours ago
$84
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Sat, May 17 from Atlanta to Houston, returning Sat, Aug 9, priced at $84 found 9 hours ago
Frontier Airlines
Wed, May 7 - Wed, May 14
ATL
Atlanta
IAH
Houston
$85 Roundtrip, just found
$85
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 7 from Atlanta to Houston, returning Wed, May 14, priced at $85 just found
Delta
Sat, Aug 30 - Sun, Aug 31
ATL
Atlanta
IAH
Houston
$161 Roundtrip, found 1 hour ago
$161
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 30 from Atlanta to Houston, returning Sun, Aug 31, priced at $161 found 1 hour ago
United
Tue, Jul 1 - Fri, Jul 4
ATL
Atlanta
IAH
Houston
$161 Roundtrip, found 14 hours ago
$161
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Jul 1 from Atlanta to Houston, returning Fri, Jul 4, priced at $161 found 14 hours ago
American Airlines
Sun, May 25 - Tue, May 27
ATL
Atlanta
IAH
Houston
$189 Roundtrip, just found
$189
Roundtrip
just found
Select American Airlines flight, departing Sun, May 25 from Atlanta to Houston, returning Tue, May 27, priced at $189 just found
Flights from Atlanta (ATL) to Houston (IAH)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$68
Distance
687 mi

Atlanta to Houston Flights

The cheapest times to fly from Atlanta to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Atlanta to Houston are during the month of May. You can find some of the cheapest flights from Atlanta to Houston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Atlanta to Houston

Sunday is one of the best days to book for cheap flights from Atlanta to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Atlanta to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Atlanta to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $37 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Atlanta to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Atlanta to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH) cost?
You’ll find affordable return tickets from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH) starting from $79. Book a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving ATL on May 18 2025 and touching down at IAH. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from ATL to IAH?
The cheapest flights from ATL to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
You can pick from 4 carriers that operate direct flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH). Including:

  • Delta Air Lines
  • United Airlines
  • Spirit Airlines

What is the cheapest airline that flies from ATL to IAH?
With fares starting at $40 for a one-way flight from ATL to IAH, Spirit Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ATL on June 11 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
Every day, an average of 11 direct flights operate from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH). Select the departure time that fits your schedule best.
What are the most popular departure times for flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
More people fly between ATL and IAH at 7 AM than at any other point in the day. Rather go when it’s quieter? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from ATL to IAH?
Jet off on a Monday if you’re searching for the best selection of flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
Hartsfield-Jackson Atlanta Intl. Airport (ATL)’s earliest flight to George Bush Intercontinental Airport (IAH) is at approximately 6:06AM UTC-5. With a total journey time of 2h 28m, you’ll land at around 7:34AM UTC-6.
How long does it take to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
It takes around 2 hours and 24 minutes to travel the 690 mi from ATL to IAH.
What airline has the least delays from ATL to IAH?
Delta Air Lines has the best track record for on-time direct flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH), with an on-time rating of 80%. Use the Expedia App to check your journey status before you jet off and get immediate updates about any trip changes.
What is the best time to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
To reach George Bush Intercontinental Airport (IAH) without delays, book a flight that leaves from Hartsfield-Jackson Atlanta Intl. Airport (ATL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Houston from Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
You’ll land at George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) when traveling to Houston on a direct flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL).
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from ATL to IAH are typically more expensive. For the cheapest rates, start looking for flights early. That being said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book an ATL to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATL to IAH flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to George Bush Intercontinental Airport (IAH)?
If you booked your ATL to IAH flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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