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Cheap flights from Houston George Bush Intcntl Airport to Adelaide from $1,754

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ADL
2 Nov — 9 Nov1
1 adult
1 adult, Economy

Cheap flight deals from George Bush Intcntl to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 October 2025.

Round-trip from

$1,626

Popular in

March

Cheapest in

May

Average price

$1,839
Air Canada
  • Air Canada
  • 7/3-13/3
  • 4 total stops
  • 62h 19m total
  • Houston to Adelaide
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($1,169 potential increase over avg. return price).
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Cheapest flight prices on average. 13% potential price decrease ($398 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from George Bush Intcntl to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to Adelaide
Explore the most affordable flight options available from George Bush Intcntl to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 October 2025.

Wed 5/1120:05IAH - ADL
2 stops31h 35mAir New Zealand
Mon 24/1111:55ADL - IAH
1 stop18h 40mAir New Zealand
Deal found 30/9$1,754
Sun 26/1021:05IAH - ADL
1 stop22h 20mAir New Zealand
Mon 5/111:55ADL - IAH
2 stops23h 29mAir New Zealand
Deal found 1/10$2,911
Wed 5/1118:28IAH - ADL
3 stops44h 07mMultiple Airlines
Mon 24/1111:40ADL - IAH
3 stops46h 45mMultiple Airlines
Deal found 30/9$2,941
Wed 5/1117:25IAH - ADL
2 stops32h 15mAir Canada
Mon 24/1106:00ADL - IAH
3 stops32h 14mAir Canada
Deal found 1/10$3,002

Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 3 October 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Adelaide that are best for you.

Fly from

George Bush Intcntl

Fly to

Adelaide

Route

Depart

Return

Price

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Wed 5/11

20:05-20:10

2 stops31h 35m

Adelaide

Mon 24/11

11:55-14:05

1 stop18h 40m

$1,754

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 26/10

21:05-10:55

1 stop22h 20m

Adelaide

Mon 5/1

11:55-18:54

2 stops23h 29m

$2,911

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Wed 5/11

18:28-07:05

3 stops44h 07m

Adelaide

Mon 24/11

11:40-17:55

3 stops46h 45m

$2,941

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Best time to book a flight from George Bush Intcntl to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from George Bush Intcntl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Houston George Bush Intcntl?

    Most people fly into Adelaide (ADL) if they book a flight to Adelaide from Houston George Bush Intcntl. On average, Adelaide has 0 inbound flights from Houston George Bush Intcntl per day from 0 airlines. Adelaide is conveniently located just 6.6 km from Adelaide’s city centre.

  • How long is the flight from Houston George Bush Intcntl Airport to Adelaide?

    Airlines like Air New Zealand fly from Houston George Bush Intcntl Airport to Adelaide in about 31h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Houston George Bush Intcntl Airport to Adelaide is about 14981 km.

  • Can I find deals for flights from George Bush Intcntl to Adelaide that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Adelaide.

  • Can I find deals for business class flights from George Bush Intcntl to Adelaide?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Adelaide (average of $168). Flying from Houston George Bush Intcntl Airport to Adelaide in October is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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