Cheap flights from Houston to Adelaide from $1,609
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.
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 29 August 2025.
Round-trip from | $1,634 |
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Find flight deals from Houston to Adelaide
Cheapest flights from Houston to AdelaideExplore 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 29 August 2025.
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 29 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Houston to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
HoustonAdelaide
IAH - ADL
IAHADL
Houston George Bush Intcntl
Tue 18/11
14:20-10:55
2 stops28h 05m
Adelaide
Thu 4/12
11:55-14:05
1 stop18h 40m
HoustonAdelaide
IAH - ADL
IAHADL
Houston George Bush Intcntl
Wed 5/11
16:20-10:55
2 stops26h 05m
Adelaide
Mon 24/11
11:55-23:58
2 stops28h 33m
HoustonAdelaide
IAH - ADL
IAHADL
Houston George Bush Intcntl
Sun 26/10
21:05-10:55
1 stop22h 20m
Adelaide
Mon 5/1
07:50-14:22
2 stops23h 02m
HoustonAdelaide
IAH - ADL
IAHADL
Houston George Bush Intcntl
Sun 26/10
21:05-10:55
1 stop22h 20m
Adelaide
Sun 4/1
18:30-14:22
2 stops36h 22m
HoustonAdelaide
HOU - ADL
HOUADL
Houston Hobby
Sat 11/10
18:39-12:35
2 stops26h 26m
Adelaide
Sat 18/10
13:35-22:14
2 stops24h 09m
HoustonAdelaide
HOU - ADL
HOUADL
Houston Hobby
Sun 12/10
16:41-09:25
2 stops25h 14m
Adelaide
Sun 19/10
06:00-17:41
2 stops27h 11m
HoustonAdelaide
HOU - ADL
HOUADL
Houston Hobby
Mon 22/9
16:28-09:25
2 stops26h 27m
Adelaide
Tue 30/9
06:00-15:55
2 stops24h 25m
HoustonAdelaide
HOU - ADL
HOUADL
Houston Hobby
Mon 22/9
18:44-10:20
2 stops25h 06m
Adelaide
Tue 30/9
06:30-15:55
3 stops23h 55m
HoustonAdelaide
HOU - ADL
HOUADL
Houston Hobby
Sun 26/10
16:41-09:25
2 stops25h 14m
Adelaide
Sun 4/1
19:00-11:39
2 stops33h 09m
HoustonAdelaide
HOU - ADL
HOUADL
Houston Hobby
Sun 26/10
16:41-09:25
2 stops25h 14m
Adelaide
Mon 5/1
16:10-11:27
2 stops35h 47m
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.
Cheapflights Insights
Everything you need to know about your flight from Houston to Adelaide
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.
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Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.
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How does Cheapflights help users find flights from Houston to Adelaide?
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Why should you use Cheapflights to find cheap flight tickets from Houston to Adelaide?
Millions of users choose and trust Cheapflights to book the best flight deals from Houston to Adelaide for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Houston to Adelaide with no change fees?
Need flexible booking options for your flight to Adelaide from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Houston to Adelaide become cheaper?
Yes! Start tracking prices for Houston to Adelaide flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.