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Cheap flights from Houston to Adelaide from $2,148

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Adelaide departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Houston to Adelaide

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
16:45 - 19:25IAH  Houston George Bush Intcntl-ADL Adelaide
35h 10m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
06:10 - 15:37ADL  Adelaide-IAH Houston George Bush Intcntl
24h 57m2 stops Brisbane Vancouver Intl
$2,148Air Canada
Mon, 5 Oct - Mon, 19 Oct
Air Canada Logo
16:45 - 12:10IAH  Houston George Bush Intcntl-ADL Adelaide
27h 55m2 stops Vancouver Intl Brisbane
Air Canada Logo
06:10 - 18:42ADL  Adelaide-IAH Houston George Bush Intcntl
28h 02m2 stops Brisbane Vancouver Intl
$2,151Air Canada
Mon, 5 Oct - Wed, 14 Oct
Air Canada Logo
16:45 - 19:25IAH  Houston George Bush Intcntl-ADL Adelaide
35h 10m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
06:00 - 11:07ADL  Adelaide-IAH Houston George Bush Intcntl
44h 37m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$2,165Air Canada
Mon, 5 Oct - Wed, 14 Oct
Air Canada Logo
07:20 - 13:55IAH  Houston George Bush Intcntl-ADL Adelaide
39h 05m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
20:00 - 18:42ADL  Adelaide-IAH Houston George Bush Intcntl
38h 12m2 stops Sydney Kingsford Smith Vancouver Intl
$2,167Air Canada
Tue, 6 Oct - Tue, 20 Oct
Air Canada Logo
16:45 - 12:10IAH  Houston George Bush Intcntl-ADL Adelaide
27h 55m2 stops Vancouver Intl Brisbane
Air Canada Logo
06:00 - 21:52ADL  Adelaide-IAH Houston George Bush Intcntl
31h 22m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$2,170Air Canada
Mon, 5 Oct - Wed, 14 Oct
Air Canada Logo
07:20 - 18:25IAH  Houston George Bush Intcntl-ADL Adelaide
43h 35m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
06:00 - 21:52ADL  Adelaide-IAH Houston George Bush Intcntl
31h 22m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$2,178Air Canada
Tue, 6 Oct - Tue, 20 Oct
Multiple Airlines Logo
18:10 - 13:55IAH  Houston George Bush Intcntl-ADL Adelaide
27h 15m2 stops Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
18:50 - 14:38ADL  Adelaide-IAH Houston George Bush Intcntl
36h 18m2 stops Brisbane Vancouver Intl
$2,179Multiple Airlines
Fri, 13 Nov - Sun, 29 Nov
Multiple Airlines Logo
12:00 - 13:55IAH  Houston George Bush Intcntl-ADL Adelaide
33h 25m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
18:50 - 14:38ADL  Adelaide-IAH Houston George Bush Intcntl
36h 18m2 stops Brisbane Vancouver Intl
$2,192Multiple Airlines
Fri, 13 Nov - Sun, 29 Nov
Air New Zealand Logo
20:55 - 10:55IAH  Houston George Bush Intcntl-ADL Adelaide
22h 30m1 stop Auckland Intl
Air New Zealand Logo
06:05 - 14:15ADL  Adelaide-IAH Houston George Bush Intcntl
24h 40m2 stops Melbourne Los Angeles Los Angeles
$2,242Air New Zealand
Fri, 30 Oct - Sun, 6 Dec
Air New Zealand Logo
12:18 - 10:55IAH  Houston George Bush Intcntl-ADL Adelaide
30h 07m2 stops Los Angeles Los Angeles Auckland Intl
Air New Zealand Logo
12:05 - 14:15ADL  Adelaide-IAH Houston George Bush Intcntl
18h 40m1 stop Auckland Intl
$2,243Air New Zealand
Fri, 13 Nov - Sun, 29 Nov

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Air Canada flights from Houston to Adelaide

Our best Air Canada deals on Houston to Adelaide flight tickets
Air Canada
5 Oct
IAH16:45Houston George Bush Intcntl
35h 10m
2 stops
ADL19:25Adelaide
19 Oct
ADL06:10Adelaide
24h 57m
2 stops
IAH15:37Houston George Bush Intcntl
$2,148
Air Canada
5 Oct
IAH16:45Houston George Bush Intcntl
27h 55m
2 stops
ADL12:10Adelaide
14 Oct
ADL06:10Adelaide
28h 02m
2 stops
IAH18:42Houston George Bush Intcntl
$2,151
Air Canada
5 Oct
IAH16:45Houston George Bush Intcntl
35h 10m
2 stops
ADL19:25Adelaide
14 Oct
ADL06:00Adelaide
44h 37m
3 stops
IAH11:07Houston George Bush Intcntl
$2,165

Air New Zealand flights from Houston to Adelaide

Our best Air New Zealand deals on Houston to Adelaide flight tickets
Air New Zealand
30 Oct
IAH20:55Houston George Bush Intcntl
22h 30m
1 stop
ADL10:55Adelaide
6 Dec
ADL06:05Adelaide
24h 40m
2 stops
IAH14:15Houston George Bush Intcntl
$2,242
Air New Zealand
13 Nov
IAH12:18Houston George Bush Intcntl
30h 07m
2 stops
ADL10:55Adelaide
29 Nov
ADL12:05Adelaide
18h 40m
1 stop
IAH14:15Houston George Bush Intcntl
$2,243
Air New Zealand
13 Nov
IAH12:18Houston George Bush Intcntl
30h 07m
2 stops
ADL10:55Adelaide
29 Nov
ADL12:05Adelaide
18h 40m
1 stop
IAH14:15Houston George Bush Intcntl
$2,244

momondo Fare Finder

 
Customise 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, momondo users made 78,305 searches. Data last updated 9 August 2026.
Use the filters below to find and compare flights from Houston to Adelaide that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Mon 5/10

16:45-19:25

2 stops35h 10m

Adelaide

Mon 19/10

06:10-15:37

2 stops24h 57m

$2,148

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Mon 5/10

16:45-12:10

2 stops27h 55m

Adelaide

Wed 14/10

06:10-18:42

2 stops28h 02m

$2,151

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Mon 5/10

16:45-19:25

2 stops35h 10m

Adelaide

Wed 14/10

06:00-11:07

3 stops44h 37m

$2,165

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Tue 6/10

07:20-13:55

3 stops39h 05m

Adelaide

Tue 20/10

20:00-18:42

2 stops38h 12m

$2,167

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Mon 5/10

16:45-12:10

2 stops27h 55m

Adelaide

Wed 14/10

06:00-21:52

3 stops31h 22m

$2,170

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Tue 6/10

07:20-18:25

3 stops43h 35m

Adelaide

Tue 20/10

06:00-21:52

3 stops31h 22m

$2,178

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Fri 13/11

18:10-13:55

2 stops27h 15m

Adelaide

Sun 29/11

18:50-14:38

2 stops36h 18m

$2,179

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Fri 13/11

12:00-13:55

3 stops33h 25m

Adelaide

Sun 29/11

18:50-14:38

2 stops36h 18m

$2,192
Fastest return journey

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Fri 30/10

20:55-10:55

1 stop22h 30m

Adelaide

Sun 6/12

06:05-14:15

2 stops24h 40m

$2,242

HoustonAdelaide

IAH Houston George Bush Intcntl - ADL Adelaide

IAHADL

Houston George Bush Intcntl

Fri 13/11

12:18-10:55

2 stops30h 07m

Adelaide

Sun 29/11

12:05-14:15

1 stop18h 40m

$2,243

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Houston to Adelaide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Adelaide

Fastest flight time

22h 30m

Direct flights

None
The fastest flight from Houston to Adelaide takes 22h 30m
There are no direct flights from Houston to Adelaide. There are no popular flight routes from Houston to Adelaide.
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Frequently asked questions about flying from Houston to Adelaide

  • How far is Houston to Adelaide by plane?

    There are 14962.7 km between Houston and Adelaide. Typically, this will take 22h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Houston to Adelaide Airport?

    Prices for flights from Houston to Adelaide Airport refresh daily.

  • How old do you have to be to fly from Houston to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Houston to Adelaide

  • How do I get Price Alerts for flights from Houston to Adelaide?

    Price Alerts will notify you by email when the price for flights to Adelaide from Houston decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Houston to Adelaide with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg
Stirling

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Adelaide?

Finding the right flight to Adelaide from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Adelaide quick and easy, saving you time and money.

Can I find flights from Houston to Adelaide with flexible booking policies on momondo?

Yes. All flights to Adelaide from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Adelaide?

Once you have performed a search for Houston to Adelaide flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Adelaide right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Adelaide flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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