$698 Cheap Flights from Adelaide (ADL) to Houston (IAH)

View $698 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines from Adelaide, SA Airport (ADL) to George Bush Intercontinental Airport (IAH)

Cheap Flights from Adelaide to Houston (ADL-IAH)

Prices were available within the past 7 days and start at $698 for one-way flights and $1,264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,264 Roundtrip, found 4 days ago
$1,264
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,264 found 4 days ago
Qantas Airways
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,279 Roundtrip, found 4 days ago
$1,279
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,279 found 4 days ago
Virgin Australia
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,298 Roundtrip, found 4 days ago
$1,298
Roundtrip
found 4 days ago
Select Virgin Australia flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,298 found 4 days ago
Qantas Airways
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,313 Roundtrip, found 4 days ago
$1,313
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,313 found 4 days ago
Air Canada
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,330 Roundtrip, found 4 days ago
$1,330
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,330 found 4 days ago
United
Mon, Jan 19 - Mon, Feb 9
ADL
Adelaide
IAH
Houston
$1,343 Roundtrip, found 21 hours ago
$1,343
Roundtrip
found 21 hours ago
Select United flight, departing Mon, Jan 19 from Adelaide to Houston, returning Mon, Feb 9, priced at $1,343 found 21 hours ago
Qantas Airways
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,345 Roundtrip, found 4 days ago
$1,345
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,345 found 4 days ago
Virgin Australia
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,364 Roundtrip, found 4 days ago
$1,364
Roundtrip
found 4 days ago
Select Virgin Australia flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,364 found 4 days ago
United
Mon, Jan 19 - Sun, Feb 8
ADL
Adelaide
IAH
Houston
$1,366 Roundtrip, found 21 hours ago
$1,366
Roundtrip
found 21 hours ago
Select United flight, departing Mon, Jan 19 from Adelaide to Houston, returning Sun, Feb 8, priced at $1,366 found 21 hours ago
American Airlines
Wed, Mar 4 - Wed, Mar 25
ADL
Adelaide
IAH
Houston
$1,706 Roundtrip, found 4 days ago
$1,706
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Mar 4 from Adelaide to Houston, returning Wed, Mar 25, priced at $1,706 found 4 days ago

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH) cost?
Grab a cheap one-way flight from $698 or cheap return flight from $1,264 from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH)?
Flying in March can help you save, as it's the cheapest month for flights between ADL and IAH. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ADL to IAH flight.
How many flights per day from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH)?
You'll have to catch a flight with a layover if you're traveling from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ADL to IAH?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH)?
To touch down at George Bush Intercontinental Airport (IAH) on time, opt for a flight that leaves Adelaide Airport (ADL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your ticket from ADL to IAH shortly before your trip is generally more expensive. But if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book an ADL to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking an ADL to IAH flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to George Bush Intercontinental Airport (IAH)?
Usually, it's possible to cancel or reschedule your ADL to IAH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Adelaide
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Cathay Pacific, Emirates, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,263
Distance
9314 mi

Book with confidence

Book with confidence

Adelaide to Houston Flights

The cheapest times to fly from Adelaide to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Adelaide to Houston are during the month of March. You can find some of the cheapest flights from Adelaide to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Adelaide to Houston

Sunday is one of the best days to book for cheap flights from Adelaide to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Adelaide to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Adelaide to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $698 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Adelaide to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Adelaide to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Adelaide to Houston Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.