Downtown Houston skyscrapers in warm late-day light

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

  • About 688 miles
  • About 1.9 hours
  • Best months: Mar, Oct, Nov
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From Atlanta (ATL) to Houston (IAH), it is 688 miles and around 1.9 hours of flying. Recent fares from $55 give you room in the budget for Buffalo Bayou Park.

Tips for finding a lower fare

  • Start searching 6 to 10 weeks before departure for the best mix of price and choice.
  • Flexible dates matter most. Shift your trip by a day or two and compare the results.
  • Check what each carrier includes on ATL to IAH so a cheap fare does not turn into an expensive one.

Airlines on this route

Spirit, United, Delta

Things to see in Houston

  • Buffalo Bayou Park
  • Houston Zoo

Frequently asked questions

When is the cheapest time to fly from Atlanta to Houston?

Fares on ATL to IAH are often lower in Mar, Oct and Nov. Prices move with demand, so compare a few dates on the partner site before you decide.

How long is the flight from ATL to IAH?

A nonstop flight takes about 1.9 hours. Itineraries with a connection take longer, depending on the layover.

Which airlines fly from Atlanta to Houston?

Carriers we commonly see on this route include Spirit, United and Delta. Schedules and availability change, so check current options when you search.

How far ahead should I book ATL to IAH?

For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.

Is the price I see here the final price?

No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.

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