IAH - SYD

$884 Find Cheap Flights from Houston George Bush Airport to Sydney – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,500
Typical prices: $1,783-$2,635
Multiple Airlines
Wed 14/2Fri 2/3
IAH - SYD • 1 stop
Cheapest direct flights
$2,391
Typical prices: $2,102-$2,988
United Airlines
Thu 8/3Thu 22/3
IAH - SYD • Direct
Direct flights
You can fly direct with United Airlines. Average duration is 17h 35m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 8 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg $1,884 (return)
Shortest trip • 20h 27m (one-way)
Insights
Insights
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We hope you enjoy your trip to Sydney!
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Flight Deals

Cheap Flights from George Bush Intcntl to Sydney (IAH-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from George Bush Intcntl to Sydney

Sun, 14 Feb - Tue, 2 Mar
Multiple Airlines Logo
10:00 - 06:25IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
27h 25m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 20:19SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
23h 19m2 stops Nadi Los Angeles
$1,500Multiple Airlines
21 hours ago
Tue, 9 Feb - Tue, 23 Feb
Air Canada Logo
09:30 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
31h 05m2 stops Calgary Vancouver Intl
Air Canada Logo
11:20 - 14:38SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 18m1 stop Vancouver Intl
$1,543Air Canada
3+ days ago
Tue, 23 Feb - Tue, 9 Mar
Air Canada Logo
18:10 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
11:20 - 14:37SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 17m1 stop Vancouver Intl
$1,543Air Canada
3+ days ago
Tue, 9 Feb - Tue, 23 Feb
Air Canada Logo
09:30 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
31h 05m2 stops Calgary Vancouver Intl
Air Canada Logo
11:20 - 18:49SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
48h 29m2 stops Vancouver Intl Calgary
$1,543Air Canada
3+ days ago
Tue, 23 Feb - Tue, 9 Mar
Air Canada Logo
09:30 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
31h 05m2 stops Calgary Vancouver Intl
Air Canada Logo
11:20 - 18:09SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
47h 49m2 stops Vancouver Intl Calgary
$1,543Air Canada
3+ days ago
Tue, 9 Feb - Tue, 23 Feb
Air Canada Logo
18:10 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
11:20 - 14:38SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 18m1 stop Vancouver Intl
$1,543Air Canada
3+ days ago
Tue, 23 Feb - Tue, 9 Mar
Air Canada Logo
18:10 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
11:20 - 18:09SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
47h 49m2 stops Vancouver Intl Calgary
$1,543Air Canada
3+ days ago
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
12:22 - 06:25IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
25h 03m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 12:02SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
39h 02m2 stops Nadi Los Angeles
$1,560Multiple Airlines
3+ days ago
Tue, 2 Feb - Thu, 18 Feb
Multiple Airlines Logo
09:00 - 06:25IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
28h 25m1 stop Los Angeles
Multiple Airlines Logo
14:00 - 20:19SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
23h 19m2 stops Nadi Los Angeles
$1,564Multiple Airlines
21 hours ago
Wed, 17 Feb - Sun, 28 Feb
Multiple Airlines Logo
10:00 - 06:25IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
27h 25m1 stop Los Angeles
Multiple Airlines Logo
14:55 - 20:19SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
22h 24m2 stops Nadi Los Angeles
$1,586Multiple Airlines
2 days ago
Booking Insights

Price, demand, and travel trends for Houston George Bush Intcntl Airport to Sydney flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Sydney?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Sydney. It's 5% cheaper than the average day, while Saturday is the most expensive, with prices 13% higher.

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

•May is the cheapest month to fly from Houston George Bush Intcntl Airport to Sydney at $1,634 return.
•December ($2,827) and January ($2,503) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Houston George Bush Intcntl Airport to Sydney the cheapest?

Flights from Houston George Bush Intcntl Airport to Sydney are cheapest 8 weeks before departure. Booking in this window typically costs about 28% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Houston George Bush Intcntl Airport to Sydney flights

Low season

May

Cheapest flight

$884
Beat the crowds with an average 56% drop in travellers.
The most popular month to fly with an average 95% increase in travellers.
One-way flight from Houston George Bush Intcntl Airport to Sydney

When to book flights from George Bush Intcntl to Sydney

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Houston George Bush Intcntl Airport to Sydney flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Houston George Bush Intcntl Airport to Sydney?

    These are the earliest and latest flight times available from Houston George Bush Intcntl Airport to Sydney:

    • Earliest: departs at 20:25 and lands at 14:00
    • Latest: departs at 21:25 and lands at 15:00.

    The flight takes about 17h 35m.

  • Which cabin classes can I book on flights from Houston George Bush Intcntl Airport to Sydney?

    Only Economy class is available on flights from Houston George Bush Intcntl Airport to Sydney.

  • How long is a flight from Houston George Bush Intcntl Airport to Sydney?

    A direct flight from Houston George Bush Intcntl Airport to Sydney takes 17h 35m, covering 22,251 km.

  • Do I need a passport to fly from Houston George Bush Intcntl Airport to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Houston George Bush Intcntl Airport to Sydney flight?

    Return flights from Houston George Bush Intcntl Airport to Sydney range from $1,783 to $2,635, with an average of $2,198 over the past 12 months. Anything below $1,783 counts as a good deal.

  • How expensive are last-minute Houston George Bush Intcntl Airport to Sydney flights?

    Last-minute fares on this route (booked within two weeks of departure) run 14% above the $2,198 route average. Book 8 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Houston George Bush Intcntl Airport to Sydney?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average $1,884 return via Los Angeles (LAX), compared with $2,404 for direct.

  • Which aircraft model is used most often on flights from Houston George Bush Intcntl Airport to Sydney?

    The Boeing 787-9 Dreamliner family is used most often on this route, operated mainly by United Airlines and Qatar Airways. Other aircraft seen on the route include Airbus A321-100/200 variants.

  • How are flight departures from Houston George Bush Intcntl Airport to Sydney spread across the day?

    Evening is the busiest departure period on Houston George Bush Intcntl Airport to Sydney flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Night flights for 0%.

  • How are flight prices from Houston George Bush Intcntl Airport to Sydney looking right now?

    One-way fares from Houston George Bush Intcntl Airport to Sydney are currently higher than usual. Average one-way flight prices are about $1,602, which is 32% above the typical average for this route.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $58 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

  • Which airports can I use when flying from Houston George Bush Intcntl Airport to Sydney?

    Flights from Houston George Bush Intcntl Airport to Sydney usually depart from Houston George Bush Intcntl (IAH) and arrive at Sydney Kingsford Smith (SYD).

  • Which airports do connecting flights from Houston George Bush Intcntl Airport to Sydney pass through?

    One-stop flights from Houston George Bush Intcntl Airport to Sydney most commonly connect through:

    • Auckland Intl (AKL) – 41% of one-stop connections
    • Los Angeles (LAX) – 37% of one-stop connections
    • Vancouver Intl (YVR) – 17% of one-stop connections
    • Dallas/Fort Worth (DFW) – 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Sydney?

    Yes. Flexible dates can save you up to 16% on flights from Houston George Bush Intcntl Airport to Sydney. Monday is the cheapest departure day at $2,103 return on average, while Saturday is the most expensive at $2,493, a difference of $391.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Houston George Bush Intcntl Airport to Sydney?

    Only United Airlines operates flights between Houston George Bush Intcntl Airport and Sydney.

  • How much time can I save by choosing a different stopover airport from Houston George Bush Intcntl Airport to Sydney?

    Flying via Auckland Intl (AKL) gives the shortest average 1-stop total travel time of 20h 27m, compared to 20h 43m via Dallas/Fort Worth (DFW) and 21h 21m via Los Angeles (LAX).

  • What is the time difference between Houston George Bush Intcntl Airport and Sydney?

    Sydney is 16 hours ahead of Houston George Bush Intcntl Airport (Eastern Australia Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Star Casino, and Capitol Theatre. These are among the most viewed places in Sydney on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Houston George Bush Intcntl Airport to Sydney flights?

    Among airlines operating Houston George Bush Intcntl Airport to Sydney flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Houston George Bush Intcntl Airport to Sydney flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy class
    • Lufthansa: a cabin bag and a checked bag in Business Class
    • Virgin Australia: a cabin bag and a checked bag in Business Class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • Are pets allowed when traveling from Houston George Bush Airport to Sydney?

    The transportation of pets is permitted by a variety of airlines when traveling from Houston George Bush Airport to Sydney, including United Airlines, Qantas Airways, American Airlines, and Air New Zealand. Depending on the size and weight of the animal, they will allow both cats and dogs as carry-on or checked luggage.

  • Are there any airport hotels at Houston George Bush Intercontinental Airport (IAH)?

    Hotels are available near IAH's airport. These hotels are useful for travelers who have either late or early flights or who just want to be close to the airport for convenience's sake. They include the Hyatt Regency Houston Intercontinental Airport, the Houston Airport Marriott at George Bush Intercontinental, and the Sheraton North Houston at George Bush Intercontinental, all of which are situated close to the airport.

  • How do I get from Sydney Airport (SYD) to where I need to go?

    At Sydney Airport, you may find taxis as well as ride-sharing services like Uber and Ola. If you want to drive yourself, Sydney Airport features a large number of car rental agencies situated in the terminals' arrivals area. Bus services to several locations across the city are also available from Sydney Airport. The Sydney Buses Route 400, which runs between the airport and Bondi Junction, is the bus service that is most well-known.

  • Can I upgrade to a higher class on a flight from Houston George Bush Airport (IAH) to Sydney (SYD)?

    Yes. On flights from Houston to Sydney, United Airlines gives you the option to enhance your class of service. You can choose from a number of upgrade options, including paying with cash, miles, or a mix of both. Depending on availability, you can upgrade from Economy to Premium Economy or Business Class via United Airlines' "MileagePlus Upgrade Awards" program.

Your guide to booking Houston George Bush Intcntl Airport to Sydney flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Saturday. On this route, Monday flights average $2,103, about $391 less than Saturday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 28% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Sydney trip for May. Fares historically average $1,634 return in that month – typically $1,193 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest stopover option averages $1,884 return on this route – about $520 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
  • Air Canada, United, American Airlines, Air New Zealand, or Qantas Airways all accept reservations from passengers with impairments on all flights, including one from Houston George Bush Airport (IAH) to Sydney (SYD). They offer a variety of services, such as wheelchair assistance, accessible seats, and staff who have been trained to help passengers with disabilities. For those who need assistance, they also provide priority boarding.
  • Scheduling your flights with United Airlines, whose hub is located at Houston George Bush Intercontinental Airport (IAH), offers a variety of perks when flying to Sydney. Being more likely to get a ticket that matches your itinerary thanks to the numerous daily flights to Sydney is a significant advantage.
  • Airlines including Qantas Airways, Air New Zealand, United Airlines, and American Airlines provide flights from Houston George Bush Airport (IAH) to Sydney (SYD) for families flying with children. These airlines offer a variety of family-friendly amenities like kid-friendly meals, special kiddie entertainment, and on-board activity kits. Additionally, they provide priority boarding for families with young kids.
  • On flights from Houston George Bush Airport to Sydney, the cities with the most layovers are Dallas/Fort Worth at Dallas/Fort Worth International Airport (DFW) for American Airlines, Dubai (DXB) for Emirates, and Los Angeles (LAX) for Qantas or United Airlines. If you go with Air New Zealand, you will have a layover in Auckland (AKL) before continuing on to Sydney.
  • If you happen to have a lot of luggage when flying from Houston George Bush International Airport to Sydney, it is beneficial to choose an airline with more lenient carry-on baggage rules. Emirates offers a liberal carry-on allowance. A single carry-on bag and one personal item, such as a handbag or laptop bag, are permitted per passenger. The carry-on bag's maximum weight restriction is normally 17 lbs.

Prefer to fly direct from Houston George Bush Intcntl to Sydney Kingsford Smith?

 
Find which airlines fly direct from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport, which days they fly and book direct flights.

Direct departures

Houston George Bush Intcntl to Sydney Kingsford Smith

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Sydney Kingsford Smith to Houston George Bush Intcntl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from George Bush Intcntl to Sydney

Complete your trip to Sydney with a hotel stay or car hire