Cheap Flights from Houston to Adelaide

Compare Houston to Adelaide flight deals

Find the cheapest month or even day of the year to fly to Adelaide

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Flight deals from Houston to Adelaide

Looking for a cheap last-minute deal or the best return flight from Houston to Adelaide Airport? If you want to travel next month, return fares start from $3,581. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Adelaide

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Adelaide flights are currently cheapest in November.

Houston to Adelaide: Alternative routes

Compare routes from Houston to Adelaide below. You may find an airport to fly into that's cheaper, faster, or easier than Adelaide.

Houston to Adelaide: Flight information

The things to know before you go.
Cheapest flight found$3,044
Cheapest month to flyNovember

Finding cheap flights from Houston to Adelaide: Frequently asked questions

The best price we found for a return flight from Houston to Adelaide is $3,044. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston to Adelaide. But we found flights with one stop from $3,044.
As of April 2026, there are no flights flying from Houston to Adelaide.
The cheapest month to fly from Houston to Adelaide is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Adelaide Airport on Thursday, 19 November 2026.
No airlines currently offer direct flights between Houston and Adelaide Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Adelaide but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Adelaide is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Adelaide is United .

Travelling from Houston to Adelaide Airport (ADL): What you need to know

  • The timezone in Adelaide is UTC+10:30, which is 16 hours 30 minutes ahead of Houston. Adelaide Airport is located in Adelaide.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your flight from Houston to ADL.

  • July is a busy month for travelling. If you're taking off then or around a major holiday like Christmas or Thanksgiving, get there even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • Stopovers are the ideal opportunity to take a break from travelling and possibly even tour another city. When searching for cheap flights from Houston to ADL leaving from Houston George Bush Intercontinental Airport (IAH), deselect the 'Direct flights only' box to get ideas for where to visit along the way. Popular options include:

    • Sydney Kingsford Smith International Airport (SYD)

    • Doha Hamad International Airport (DOH)

    • Auckland Airport (AKL)

  • IAH is about 40 kilometres from central Houston. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 30 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 1 hour 10 minutes.

  • Want an easy start to your journey? Stay near Houston George Bush Intercontinental Airport. Whether you're catching an early flight from Houston to Adelaide Airport or want to avoid feeling rushed, these hotels are the answer:

  • Of the departures from Houston George Bush Intercontinental Airport, 79% land on schedule at their destination.

  • You'll find IAH at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

About Adelaide Airport (ADL)

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Houston to Adelaide Airport. Book one of these accommodation options near ADL instead:

  • Booking your ride around one week ahead of your Houston to Adelaide Airport flight can help you get a cheaper deal.

Getting from Adelaide Airport (ADL) to central Adelaide

  • Adelaide Airport is around 6 kilometres from the centre of Adelaide. It takes around 20 minutes or so to get to the city by car.

  • When travelling on public transport, expect a journey time of about 35 minutes.

How to find the cheapest flights from Houston to Adelaide Airport (ADL)

  • Currently, $1,974 is the best price we've found for a one-way ticket from Houston to Adelaide Airport. The cheapest price for a return flight is $3,044. Keep in mind fares can change due to availability at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from Houston to ADL. Airlines adjust prices based on demand, so the closer you get to departure, the more you'll likely spend on your ticket.

  • The 'Whole month' search tool shows you the cheapest Houston to Adelaide Airport tickets across the month. It's an easy way to find a bargain if your plans aren't set in stone.

  • Finding a cheap plane ticket from Houston to ADL is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Find a cheap flight from Houston to Adelaide Airport by using the search filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Houston to Adelaide Airport (ADL)

  • It's time to decide when to book your flight from Houston to Adelaide Airport (ADL). November is the busiest month to visit Adelaide. If you like things a bit more low-key, think about going in December.

  • Lock in a Houston to ADL plane ticket departing in January if you want to visit the city during its warmest month. Expect temperatures in Adelaide to range from 15ºC to 30ºC.

  • Search for cheap tickets from Houston to Adelaide Airport in July if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 7ºC and 14ºC.

More about Adelaide

  • Start your Adelaide trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Houston to Adelaide Airport, explore our range of hotels including:

  • Every great journey has to include some sightseeing. St Peter's Cathedral, Adelaide Oval and Penfolds Winery are must-do's during your Adelaide adventure.

Explore more of Australia

  • You've visited Adelaide, now it's time to explore more of Australia. Journey about 241 kilometres west to Port Lincoln to tick off its top attractions. From Lincoln National Park to Winter Hill Lookout and Port Lincoln Railway Museum, you'll have a full itinerary ahead.

  • If you're interested in discovering another great destination in Australia, consider Port Pirie, about 209 kilometres north of Adelaide. Port Pirie Military Museum, Port Pirie National Trust Museum and Port Pirie Regional Tourism and Arts Centre are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.