Cheap Flights from Houston (IAH) to Mount Isa (ISA)

Popular airlines from George Bush Intercontinental Airport (IAH) to Mount Isa, QLD (ISA)

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA) cost?
Secure a cheap one-way flight or cheap return flight from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA)?
is the most affordable month to fly from IAH to ISA. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAH to ISA flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA)?
You'll have to take a flight with a layover if you're traveling from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IAH to ISA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA)?
To reach Mount Isa Airport (ISA) without delays, opt for a flight that leaves George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood 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 George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA) last-minute?
Holding off until just before your departure to book your flight from IAH to ISA often results in higher prices. While you may find some last-minute deals, there's no guarantee. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book an IAH to ISA flight and hotel package?
You'll typically save money by booking an IAH to ISA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Mount Isa Airport (ISA)?
If you reserved your IAH to ISA flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Mount Isa
Distance
8983 mi

Book with confidence

Book with confidence

Houston to Mount Isa Flights

The cheapest times to fly from Houston to Mount Isa

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 Houston to Mount Isa are during the month of . You can find some of the cheapest flights from Houston to Mount Isa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Mount Isa

Sunday is one of the best days to book for cheap flights from Houston to Mount Isa: 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 Houston to Mount Isa

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 Houston to Mount Isa in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Houston to Mount Isa 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 Houston to Mount Isa 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.

 

Houston to Mount Isa Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.