The cheapest times to fly from ADL to IAH are

  • January 22nd to April 1st
  • April 23rd to May 13th (except the week of April 30th)
  • July 30th to September 16th
  • October 8th to November 25th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ADL to IAH is mid to late August. Prices can be as high as $2730 for Thursday flights during early January, or as low as $700 for Friday flights around mid to late August.


When to Fly to Houston

Flying from Adelaide (ADL) to Houston, TX (IAH) will usually cost between $808 to $1952 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $995. Due to high demand the most expensive time to fly is early January, with an average price of $2321. Planning your trip to low-cost times can easily save you $1325 on economy flights and even more on first-class flights. Generally, any price below $1209 can be considered a good price for a round-trip ADL to IAH flight.

See below for a graph of average weekly prices for the ADL to IAH route. All prices are for round-trip tickets in USD.

ADL to IAH Flight Prices

Compared to other flights, the ADL to IAH flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Adelaide. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Friday is usually the cheapest day to fly to IAH, and Monday the cheapest day to fly back into ADL. Thursdays are the most expensive days to fly to Houston, and Wednesdays are the most expensive days to return to Adelaide. Selecting flights on the least expensive days could save you up to $185 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $1134. Return trip prices are from the IAH to ADL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ADL to IAH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 45 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ADL to IAH while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 140 miles (225 km) away from IAH
  • Usually 11.17% less expensive than IAH
  • 2-layover flights available

See ADL to AUS flights


Flight Hacking ADL to IAH

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ADL to IAH — but Champion Traveler does!

Hack #1: Sydney (ADL > SYD > IAH)

  • Price for both tickets: $1086
  • Average savings: $123 (10.17%)

See ADL to MEL flights

Hack #2: Melbourne (ADL > MEL > IAH)

  • Price for both tickets: $1093
  • Average savings: $116 (9.59%)

See ADL to SYD flights

Hack #3: Los Angeles, CA (ADL > LAX > IAH)

  • Price for both tickets: $1096
  • Average savings: $113 (9.35%)

See ADL to LAX flights


Flight Questions Answered

Still have questions about flying from ADL to IAH? We’ve got answers.

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Air Canada, Air France, Air New Zealand, Alaska, American, ANA, Bangkok Airways, Cathay Pacific, China Southern, Delta, Emirates, EVA Air, Qantas, Qatar Airways, Singapore Airlines, Turkish Airlines, United, Virgin Australia, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Adelaide International Airport?

The distance between the two airports is roughly 9313 miles or 14988 kilometers.

How long does it take to fly from ADL to IAH?

The real-world flight time for a nonstop ADL to IAH flight is about 17 hour 45 minutes.

How many flights go between Adelaide and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 45 available flights from ADL to IAH.


Airport Location Info


Departing Airport

Origination code ADL
Origination airport name Adelaide International Airport
City Adelaide
Country Australia
Latitude -34.9
Longitude 138.5

Return Airport

Destination code IAH
Destination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.