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$145+ Cheap flights from Houston George Bush Intcntl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAH — SYD
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

What to know about flights from George Bush Intcntl

Discover essential information about flights departing from George Bush Intcntl, including flight schedules, destinations, airlines operating at the George Bush Intcntl airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 23 February 2026.

Good round-trip deal

$369 or less

Good one-way deal

$164 or less
Price to beat on a round-trip flight from Houston George Bush Intcntl.
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Price to beat on a one-way flight from Houston George Bush Intcntl.
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Find flights from George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl
Explore the most affordable flight options available from George Bush Intcntl. Find the lowest fares based on data from user searches, with prices last updated on 23 February 2026.

Mon 23/317:25
IAH
-
BNE
1 stop23h 20m
Singapore Airlines
Tue 21/410:00
BNE
-
IAH
1 stop21h 24m
Singapore Airlines
Deal found 19/2$1,274
Mon 23/309:35
IAH
-
BNE
2 stops31h 10m
Multiple Airlines
Wed 22/410:00
BNE
-
IAH
2 stops24h 10m
Multiple Airlines
Deal found 19/2$1,306
Sun 26/417:25
IAH
-
BNE
1 stop22h 40m
Air Canada
Thu 7/510:00
BNE
-
IAH
1 stop20h 44m
Air Canada
Deal found 22/2$1,308
Mon 23/317:25
IAH
-
BNE
1 stop23h 20m
Air Canada
Thu 23/410:00
BNE
-
IAH
1 stop21h 24m
Air Canada
Deal found 19/2$1,309
Fri 3/411:50
IAH
-
BNE
2 stops28h 15m
Air Canada
Mon 20/410:00
BNE
-
IAH
1 stop21h 24m
Air Canada
Deal found 23/2$1,315
Tue 24/317:25
IAH
-
BNE
1 stop23h 20m
Multiple Airlines
Fri 24/410:00
BNE
-
IAH
1 stop23h 51m
Multiple Airlines
Deal found 19/2$1,328
Mon 23/316:04
IAH
-
SYD
2 stops28h 31m
Multiple Airlines
Mon 30/306:00
SYD
-
IAH
2 stops33h 54m
Multiple Airlines
Deal found 23/2$1,371
Tue 16/616:35
IAH
-
BNE
2 stops23h 30m
Asiana Airlines
Thu 2/720:45
BNE
-
IAH
2 stops53h 05m
Asiana Airlines
Deal found 22/2$1,373
Sat 21/317:25
IAH
-
BNE
1 stop23h 20m
Multiple Airlines
Fri 24/410:00
BNE
-
IAH
1 stop23h 51m
Multiple Airlines
Deal found 19/2$1,380
Thu 14/509:33
IAH
-
SYD
2 stops45h 37m
Multiple Airlines
Thu 28/506:00
SYD
-
IAH
2 stops38h 40m
Multiple Airlines
Deal found 20/2$1,388
Mon 10/821:55
IAH
-
SYD
1 stop19h 50m
Air New Zealand
Mon 14/911:55
SYD
-
IAH
1 stop19h 30m
Air New Zealand
Deal found 20/2$1,398
Mon 6/721:55
IAH
-
SYD
1 stop19h 50m
Air New Zealand
Wed 15/711:55
SYD
-
IAH
1 stop19h 30m
Air New Zealand
Deal found 19/2$1,422

Find flights from George Bush Intcntl within your budget

 
Find flights departing from George Bush Intcntl that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 February 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 6/7

21:55-16:45

2 stops27h 50m

Sydney Kingsford Smith

Wed 15/7

11:55-23:18

2 stops26h 23m

$1,462

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 29/6

21:55-10:45

1 stop21h 50m

Coolangatta Gold Coast

Wed 29/7

11:55-16:25

1 stop19h 30m

$1,491

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 22/8

21:35-08:45

2 stops44h 10m

Sydney Kingsford Smith

Sat 19/9

19:20-00:24

2 stops44h 04m

$1,505

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 16/8

08:20-08:45

2 stops33h 25m

Sydney Kingsford Smith

Sat 29/8

09:55-16:25

1 stop21h 30m

$1,512

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 4/6

21:55-11:05

1 stop22h 10m

Brisbane

Fri 12/6

09:35-16:25

1 stop21h 50m

$1,546

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Wed 13/5

21:55-10:45

1 stop21h 50m

Coolangatta Gold Coast

Thu 21/5

11:55-16:25

1 stop19h 30m

$1,548

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 1/4

20:55-21:35

1 stop32h 40m

Melbourne

Wed 15/4

18:55-16:25

1 stop36h 30m

$1,560

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Fri 15/5

21:55-10:55

1 stop22h 00m

Melbourne

Fri 29/5

12:10-20:49

2 stops23h 39m

$1,563

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 4/6

10:00-07:05

2 stops54h 05m

Brisbane

Fri 12/6

10:00-15:44

1 stop20h 44m

$1,577

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Fri 15/5

12:00-11:05

3 stops32h 05m

Melbourne

Fri 29/5

06:00-15:44

2 stops24h 44m

$1,717

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 56 results
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Best time to book a flight from George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly from George Bush Intcntl with our price prediction graph.
Estimated return 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.

Travel insights for flights from George Bush Intcntl

Get recent, data-driven insights about flights from George Bush Intcntl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Sydney. Price data was last updated on 20 February 2026.

The best time to book flights from Houston George Bush Intcntl Airport is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport?

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport (average of $326). Flying from Houston George Bush Intcntl Airport in February will prove the most costly (average of $1,253). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Houston George Bush Intcntl Airport?

Houston George Bush Intcntl Airport offers frequent flights to New York (632 flights per day), Chicago (598 flights per day) and Dallas (342 flights per day).

Rome
Rome
From $1,278
Philadelphia
Philadelphia
From $134
Guadalajara Miguel Hidal
Guadalajara Miguel Hidal
From $369
Detroit
Detroit
From $195

What is the cheapest place to fly to from Houston George Bush Intcntl Airport?

The cheapest city to fly to from Houston George Bush Intcntl Airport is New York, with prices starting at $85. Explore other affordable destinations below.

New York
New York
From $85
Philadelphia
Philadelphia
From $134
Raleigh-Durham
Raleigh-Durham
From $164
Detroit
Detroit
From $195

Browse thousands of different options on Cheapflights for your next trip

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Alternate flight departure points to George Bush Intcntl

Consider leaving from one of these other departure points that are located a short distance from George Bush Intcntl. Flight origins were last updated on 23 February 2026.
Flights from Dallas/Fort Worth
Flights from Austin
Flights from Killeen
Flights from Love Field
Flights from Hobby
Flights from Midland
Flights from College Station
Flights from El Paso
Flights from San Antonio
Flights from Lubbock

Related info for your journey

Access useful and relevant information related to your journey from George Bush Intcntl. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 February 2026.

  • What are the most popular destinations to fly to from Houston George Bush Intcntl Airport?

    For the current month, the most popular flights from Houston George Bush Intcntl Airport are Atlanta, Mumbai, Cancún. Mumbai, Cancún, Atlanta are the most popular locations from Houston George Bush Intcntl Airport year round.

  • What is the cheapest flight from Houston George Bush Intcntl Airport to anywhere?

    Users have flown out of Houston George Bush Intcntl Airport for as low as $85 to New York LaGuardia Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $720 to fly from Houston George Bush Intcntl Airport.

  • What is the cheapest premium economy flight from Houston George Bush Intcntl Airport?

    Options for some of the cheapest premium economy flights from Houston George Bush Intcntl Airport we have found on Cheapflights are as follows:
    Fly from Houston George Bush Intcntl to Baltimore starting at $1,020
    Fly from Houston George Bush Intcntl to London Heathrow Airport starting at $2,918
    Fly from Houston George Bush Intcntl to Frankfurt am Main Airport starting at $3,608

  • What is the cheapest month to fly from Houston George Bush Intcntl Airport?

    Currently, the cheapest month for flights from Houston George Bush Intcntl Airport is May. The most expensive month for flights is February. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from George Bush Intcntl?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from George Bush Intcntl today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl?

    Cheapflights helps you find that perfect flight from George Bush Intcntl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from George Bush Intcntl with no change fees?

    Yes, we can. To see specific flights from George Bush Intcntl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

  • Can Cheapflights notify me if prices for flights from George Bush Intcntl become cheaper?

    Yes, Cheapflights offers price alerts on flights from George Bush Intcntl so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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How does Cheapflights help users find flights from George Bush Intcntl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from George Bush Intcntl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl?

Cheapflights helps you find that perfect flight from George Bush Intcntl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from George Bush Intcntl with no change fees?

Yes, we can. To see specific flights from George Bush Intcntl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from George Bush Intcntl become cheaper?

Yes, Cheapflights offers price alerts on flights from George Bush Intcntl so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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