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$990+ Cheap flights from Houston to Adelaide (ADL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ADL
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Houston to Adelaide

Cheapest flights from Houston to Adelaide
Explore the most affordable flight options available from Houston to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:25 pmIAH - ADL
1 stop22h 00mUnited Airlines
Wed 12/312:55 pmADL - IAH
1 stop23h 34mUnited Airlines
Deal found 11/25$1,871
This Mytrip deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:08 amIAH - ADL
3 stops35h 02mMultiple Airlines
Wed 12/314:25 pmADL - IAH
3 stops43h 59mMultiple Airlines
Deal found 11/25$2,307
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:59 pmIAH - ADL
2 stops48h 11mMultiple Airlines
Mon 12/298:45 amADL - IAH
1 stop21h 50mMultiple Airlines
Deal found 11/24$2,333
This United Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:45 pmIAH - ADL
1 stop22h 15mUnited Airlines
Mon 12/292:55 pmADL - IAH
1 stop23h 34mUnited Airlines
Deal found 11/24$2,360
This American Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:17 pmHOU - ADL
2 stops26h 08mAmerican Airlines
Mon 12/297:50 amADL - HOU
2 stops28h 24mAmerican Airlines
Deal found 11/24$2,682

Cheap flight deals from Houston to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 November 26, 2025.

Round-trip from

$990
(Air Canada)
From Houston to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Houston to Adelaide that are best for you.

Fly from

Houston

Fly to

Adelaide

Route

Depart

Return

Price

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 5/3

6:10 pm-6:10 pm

2 stops33h 30m

Adelaide

Mon 5/18

6:50 pm-7:02 pm

2 stops38h 42m

$990

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sat 3/7

4:25 pm-9:30 am

1 stop24h 35m

Adelaide

Mon 3/23

1:55 pm-12:56 am

1 stop26h 31m

$1,185

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Mon 3/9

7:42 pm-3:45 pm

2 stops28h 33m

Adelaide

Fri 3/20

6:00 am-7:11 pm

2 stops28h 41m

$1,250

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 5/3

6:05 pm-10:55 am

2 stops26h 20m

Adelaide

Mon 5/18

11:55 am-4:25 pm

1 stop19h 00m

$1,354

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 3/8

9:30 pm-10:55 am

1 stop21h 55m

Adelaide

Fri 3/20

9:30 am-11:25 am

1 stop41h 25m

$1,449

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sat 3/7

8:25 pm-10:55 am

1 stop22h 00m

Adelaide

Tue 3/24

6:00 am-11:25 am

1 stop20h 55m

$1,474

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sat 3/7

8:25 pm-10:55 am

1 stop22h 00m

Adelaide

Fri 3/20

9:30 am-11:25 am

1 stop41h 25m

$1,474

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Sun 5/3

8:27 pm-9:25 am

3 stops46h 28m

Adelaide

Mon 5/18

7:00 pm-11:41 pm

3 stops43h 11m

$1,983

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 2/17

6:44 pm-5:45 pm

2 stops30h 31m

Adelaide

Fri 2/20

11:55 am-2:05 pm

1 stop18h 40m

$2,026

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Fri 2/27

8:05 pm-10:55 am

1 stop22h 20m

Adelaide

Tue 3/3

6:00 am-3:06 pm

2 stops25h 36m

$2,027

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 16 results
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Best time to book a flight from Houston to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Houston with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Houston to Adelaide
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    If you book a flight to Adelaide from Houston, you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 4.1 mi from the center of Adelaide. There are 0 flights from Houston to Adelaide per day from 0 different airlines.

  • How long is the flight from Houston to Adelaide?

    There are many flights that can get you from Houston to Adelaide in 24h 35m. Fly via Air Canada, United Airlines, or Qantas Airways to get the fastest option. Airlines will cover a distance of 9309 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Houston to Adelaide that include hotel bookings?

    Yes. In addition to deals on Houston to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Adelaide?

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

  • Can I find deals for business class flights from Houston to Adelaide?

    Yes. Cheapflights offers flight deals from Houston 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.

See more FAQs

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