
$1,059 Cheap United flights from Houston to Adelaide (IAH to ADL)
Find The Best Day To Fly from Houston to Adelaide
Amazing United IAH to ADL Flight Deals
The cheapest flights to Adelaide found within the past 7 days were round trip and $1,059 one way. Prices and availability subject to change. Additional terms may apply.
Discover our best United flight from Houston IAH to Adelaide ADL
To find the best deals on flights to Houston from Adelaide with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Houston IAH to Adelaide ADL with United
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way United flights from Houston IAH to Adelaide ADL
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Houston to Adelaide costs from $1,059. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Adelaide ADL from Houston IAH with United
To find a cheap United flight from Houston IAH to Adelaide ADL, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on United flights from Houston IAH to Adelaide ADL
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover.
Find nonstop flights from Houston IAH to Adelaide ADL with United
If you’re keen to be on Adelaide soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from Houston IAH to Adelaide ADL
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Adelaide ADL from Houston IAH with United on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ORD | USA | O'Hare Intl. | 227 |
| DEN | USA | Denver Intl. | 226 |
| IAH | USA | George Bush Intercontinental | 136 |
| IAD | USA | Washington Dulles Intl. | 100 |
| SFO | USA | San Francisco Intl. | 64 |
| LAX | USA | Los Angeles Intl. | 23 |
| EWR | USA | Liberty Intl. | 20 |
| FRA | DEU | Frankfurt Intl. | 19 |
| NRT | JPN | Narita Intl. | 19 |
| PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to Adelaide

Atura Adelaide Airport
Easy check-in and check-out and connected to the airport so very handy for morning flight. 500 metre walk to public bus that you can take to city or beach for less than $5 dollars each way.
Reviewed on Jan 27, 2026

Stamford Grand Adelaide
Excellent stay, front desk was always helpful, room service prompt, and the same day dry cleaning service was extremely convenient. The views are stunning in the ocean view suites, and the location is so central to all amenities, shopping and attractions.
Reviewed on Jan 23, 2026

Hotel Grand Chancellor Adelaide
Location was great , cost was reasonable, clean and bed was comfortable, obliging staff
Reviewed on Jan 24, 2026