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$997+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ADL
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:25 pm
IAH
-
ADL
2 stops34h 30m
Multiple Airlines
Sat 5/96:55 pm
ADL
-
IAH
2 stops35h 19m
Multiple Airlines
Deal found 1/21$997
This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:15 pm
IAH
-
ADL
3 stops53h 10m
Air Canada
Sat 5/96:55 pm
ADL
-
IAH
2 stops35h 19m
Air Canada
Deal found 1/21$1,053
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:25 pm
IAH
-
ADL
2 stops36h 35m
Multiple Airlines
Tue 2/246:00 am
ADL
-
IAH
2 stops26h 54m
Multiple Airlines
Deal found 1/20$1,125
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:25 pm
IAH
-
ADL
2 stops36h 35m
Air Canada
Tue 2/246:00 am
ADL
-
IAH
3 stops32h 14m
Air Canada
Deal found 1/20$1,138
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:25 pm
IAH
-
ADL
2 stops33h 15m
Air Canada
Sat 3/216:55 pm
ADL
-
IAH
2 stops36h 59m
Air Canada
Deal found 1/21$1,292
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Mon 1/269:33 pm
IAH
-
ADL
3 stops46h 12m
Multiple Airlines
Tue 2/37:45 pm
ADL
-
IAH
3 stops44h 44m
Multiple Airlines
Deal found 1/20$1,341
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/178:25 pm
IAH
-
ADL
1 stop22h 00m
United Airlines
Tue 2/246:00 am
ADL
-
IAH
1 stop20h 55m
United Airlines
Deal found 1/20$1,430
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/268:05 pm
IAH
-
ADL
1 stop22h 20m
Air New Zealand
Tue 2/36:05 am
ADL
-
IAH
2 stops25h 39m
Air New Zealand
Deal found 1/20$1,627
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/174:21 pm
HOU
-
ADL
2 stops28h 54m
American Airlines
Tue 2/246:25 am
ADL
-
HOU
2 stops29h 55m
American Airlines
Deal found 1/20$1,950
This Cathay Pacific deal was found by Cheapflights users on 1/21. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:21 pm
HOU
-
ADL
3 stops46h 14m
Multiple Airlines
Sat 3/147:00 pm
ADL
-
HOU
3 stops44h 28m
Multiple Airlines
Deal found 1/21$2,320
This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:19 pm
HOU
-
ADL
2 stops26h 36m
Qantas Airways
Sat 5/97:50 am
ADL
-
HOU
2 stops26h 31m
Qantas Airways
Deal found 1/21$2,468
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:21 pm
HOU
-
ADL
2 stops28h 09m
Qantas Airways
Sat 3/145:10 pm
ADL
-
HOU
2 stops58h 08m
Qantas Airways
Deal found 1/21$2,819

Find 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 January 21, 2026.

Round-trip from

$1,053
(Expedia)
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 January 21, 2026.
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

Wed 4/8

6:15 pm-1:55 pm

3 stops53h 10m

Adelaide

Sat 5/9

6:55 pm-3:44 pm

2 stops35h 19m

$1,053

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 2/17

5:25 pm-10:30 pm

2 stops36h 35m

Adelaide

Tue 2/24

6:00 am-4:24 pm

2 stops26h 54m

$1,125

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 2/17

5:25 pm-10:30 pm

2 stops36h 35m

Adelaide

Tue 2/24

6:00 am-9:44 pm

3 stops32h 14m

$1,138

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 3/17

5:25 pm-1:55 pm

2 stops29h 00m

Adelaide

Sat 3/21

6:55 pm-4:24 pm

2 stops36h 59m

$1,292

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 2/17

8:25 pm-10:55 am

1 stop22h 00m

Adelaide

Tue 2/24

6:00 am-10:25 am

1 stop20h 55m

$1,430

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Tue 2/17

4:21 pm-1:45 pm

2 stops28h 54m

Adelaide

Tue 2/24

6:25 am-7:50 pm

2 stops29h 55m

$1,950

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Sat 3/7

4:21 pm-7:05 am

3 stops46h 14m

Adelaide

Sat 3/14

7:00 pm-11:58 pm

3 stops44h 28m

$2,320

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 3/17

7:50 pm-11:00 am

2 stops23h 40m

Adelaide

Sat 3/21

11:35 am-11:25 am

1 stop39h 20m

$2,379

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Wed 4/8

4:19 pm-9:25 am

2 stops26h 36m

Adelaide

Sat 5/9

7:50 am-7:51 pm

2 stops26h 31m

$2,468

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Sat 3/7

4:21 pm-1:00 pm

2 stops28h 09m

Adelaide

Sat 3/14

5:10 pm-11:48 am

2 stops58h 08m

$2,819

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 21 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 26h 36m. Fly via Air Canada, American Airlines, or Qantas Airways to get the fastest option. Airlines will cover a distance of 9304 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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