HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Adelaide

$1,495+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ADL
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Adelaide with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sat 9/129:30 pm
IAH
-
ADL
2 stops49h 45m
United Airlines
Mon 9/217:15 am
ADL
-
IAH
2 stops24h 11m
United Airlines
Deal found 7/25$1,495
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:19 pm
IAH
-
ADL
2 stops35h 11m
Qantas Airways
Sun 11/296:00 am
ADL
-
IAH
2 stops25h 16m
Qantas Airways
Deal found 7/24$1,518
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 11/138:25 pm
IAH
-
ADL
1 stop25h 00m
United Airlines
Sun 11/297:55 pm
ADL
-
IAH
1 stop28h 35m
United Airlines
Deal found 7/26$1,543
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Mon 10/54:45 pm
IAH
-
ADL
2 stops29h 40m
Multiple Airlines
Wed 10/146:10 am
ADL
-
IAH
2 stops24h 57m
Multiple Airlines
Deal found 7/27$1,550
This Orbitz deal was found by Cheapflights users on 7/27. 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.
Mon 10/54:45 pm
IAH
-
ADL
2 stops35h 10m
Air Canada
Wed 10/146:00 am
ADL
-
IAH
3 stops44h 37m
Air Canada
Deal found 7/27$1,568
This oojo deal was found by Cheapflights users on 7/26. 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.
Fri 11/1312:16 pm
IAH
-
ADL
2 stops30h 09m
Air New Zealand
Sun 11/297:10 pm
ADL
-
IAH
2 stops41h 42m
Air New Zealand
Deal found 7/26$1,571
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 10/319:25 pm
IAH
-
ADL
1 stop22h 00m
United Airlines
Wed 11/47:55 pm
ADL
-
IAH
1 stop28h 35m
United Airlines
Deal found 7/26$1,593
This lastminute.com deal was found by Cheapflights users on 7/26. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:55 pm
HOU
-
ADL
2 stops31h 55m
Singapore Airlines
Wed 9/169:10 am
ADL
-
HOU
2 stops39h 50m
Singapore Airlines
Deal found 7/26$2,370
This BusinessClass deal was found by Cheapflights users on 7/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:32 am
HOU
-
ADL
2 stops31h 58m
Multiple Airlines
Mon 9/141:25 pm
ADL
-
HOU
2 stops40h 48m
Multiple Airlines
Deal found 7/24$2,470
This KAYAK deal was found by Cheapflights users on 7/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:19 pm
HOU
-
ADL
2 stops26h 16m
Qantas Airways
Fri 9/251:25 pm
ADL
-
HOU
2 stops40h 48m
Qantas Airways
Deal found 7/27$2,539
This Qantas Airways deal was found by Cheapflights users on 7/26. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:34 pm
HOU
-
ADL
2 stops26h 01m
Multiple Airlines
Wed 9/166:00 am
ADL
-
HOU
3 stops24h 13m
Multiple Airlines
Deal found 7/26$2,585
This lol.travel deal was found by Cheapflights users on 7/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:18 pm
HOU
-
ADL
2 stops26h 37m
Qantas Airways
Mon 9/216:00 am
ADL
-
HOU
2 stops24h 13m
Qantas Airways
Deal found 7/25$2,638

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 July 28, 2026.

Round-trip from

$1,495
(United Airlines)
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 July 28, 2026.
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

Cheapest round-trip

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Fri 11/13

8:25 pm-1:55 pm

1 stop25h 00m

Adelaide

Sun 11/29

7:55 pm-8:00 am

1 stop28h 35m

$1,543

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Mon 10/5

4:45 pm-1:55 pm

2 stops29h 40m

Adelaide

Wed 10/14

6:10 am-3:37 pm

2 stops24h 57m

$1,550

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Mon 10/5

4:45 pm-7:25 pm

2 stops35h 10m

Adelaide

Wed 10/14

6:00 am-8:50 am

3 stops42h 20m

$1,568

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Fri 11/13

7:55 pm-10:55 am

1 stop22h 30m

Adelaide

Sun 11/29

7:10 pm-8:22 pm

2 stops41h 42m

$1,573

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sat 10/31

9:25 pm-10:55 am

1 stop22h 00m

Adelaide

Wed 11/4

7:55 pm-8:00 am

1 stop28h 35m

$1,593

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Wed 9/9

5:55 pm-4:20 pm

2 stops31h 55m

Adelaide

Wed 9/16

9:10 am-10:30 am

2 stops39h 50m

$2,370

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Mon 9/7

9:32 am-8:00 am

2 stops31h 58m

Adelaide

Mon 9/14

1:25 pm-3:43 pm

2 stops40h 48m

$2,470

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Mon 9/14

6:19 pm-11:05 am

2 stops26h 16m

Adelaide

Fri 9/25

1:25 pm-3:43 pm

2 stops40h 48m

$2,539
Quickest round-trip

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Wed 9/9

6:34 pm-11:05 am

2 stops26h 01m

Adelaide

Wed 9/16

6:00 am-3:43 pm

3 stops24h 13m

$2,585

HoustonAdelaide

HOU - ADL

HOUADL

Houston Hobby

Sat 9/12

4:18 pm-9:25 am

2 stops26h 37m

Adelaide

Mon 9/21

6:00 am-3:43 pm

2 stops24h 13m

$2,638

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first

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 31h 55m. Fly via United Airlines, Qantas Airways, or Singapore Airlines 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.