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Cheap flights from Singapore to Houston George Bush Intcntl Airport from £445

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
23 Aug — 30 Aug1
1 adult

Cheap flight deals from Singapore to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 August 2025.

Round-trip from

£709

One-way from

£445

Popular in

January

Cheapest in

October

Average price

£796
United Airlines
  • United Airlines
  • 30/9-7/10
  • 2 total stops
  • 53h 55m total
  • Singapore to Houston
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United Airlines
  • United Airlines
  • 24/8
  • 1 total stop
  • 39h 08m total
  • Singapore to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Singapore to George Bush Intcntl

Cheapest flights from Singapore to George Bush Intcntl
Explore the most affordable flight options available from Singapore to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2025.

Tue 16/920:40SIN - IAH
1 stop22h 51mUnited Airlines
Tue 23/907:25IAH - SIN
1 stop22h 00mUnited Airlines
Deal found 16/8£709
Tue 26/820:40SIN - IAH
1 stop29h 23mUnited Airlines
Mon 1/905:40IAH - SIN
1 stop23h 45mUnited Airlines
Deal found 18/8£710
Tue 19/820:40SIN - IAH
1 stop27h 13mUnited Airlines
Wed 3/907:25IAH - SIN
1 stop22h 00mUnited Airlines
Deal found 16/8£716
Wed 1/1008:45SIN - IAH
2 stops24h 25mUnited Airlines
Wed 8/1005:38IAH - SIN
1 stop23h 47mUnited Airlines
Deal found 17/8£781
Tue 2/1200:40SIN - IAH
2 stops29h 32mPhilippine Airlines
Mon 9/219:35IAH - SIN
2 stops38h 05mPhilippine Airlines
Deal found 17/8£948
Tue 9/1201:30SIN - IAH
2 stops36h 00mDelta
Wed 31/1207:08IAH - SIN
2 stops27h 02mDelta
Deal found 16/8£1,143
Mon 8/1201:30SIN - IAH
2 stops36h 00mDelta
Tue 30/1207:08IAH - SIN
2 stops27h 02mDelta
Deal found 17/8£1,144
Thu 18/1201:25SIN - IAH
2 stops36h 10mMultiple Airlines
Fri 2/106:25IAH - SIN
2 stops47h 45mMultiple Airlines
Deal found 16/8£1,285
Mon 18/800:20SIN - IAH
2 stops32h 26mMultiple Airlines
Wed 3/907:00IAH - SIN
2 stops27h 20mMultiple Airlines
Deal found 16/8£1,406
Mon 8/1202:30SIN - IAH
2 stops51h 15mEmirates
Tue 30/1219:10IAH - SIN
1 stop23h 20mEmirates
Deal found 17/8£1,412
Mon 18/803:10SIN - IAH
2 stops33h 49mQatar Airways
Wed 3/918:25IAH - SIN
1 stop25h 35mQatar Airways
Deal found 16/8£1,564
Thu 9/1020:00SIN - IAH
2 stops36h 22mPhilippine Airlines
Sun 19/1020:10IAH - SIN
2 stops28h 10mPhilippine Airlines
Deal found 17/8£3,385

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 August 2025.
Use the filters below to find and compare flights from Singapore to Houston George Bush Intcntl Airport that are best for you.

Fly from

Singapore

Fly to

George Bush Intcntl

Route

Depart

Return

Price

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 30/9

20:40-13:05

1 stop29h 25m

Houston George Bush Intcntl

Tue 7/10

16:45-06:15

1 stop24h 30m

£709

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 16/9

20:40-06:31

1 stop22h 51m

Houston George Bush Intcntl

Tue 23/9

07:25-18:25

1 stop22h 00m

£709

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 1/10

08:45-20:41

1 stop24h 56m

Houston George Bush Intcntl

Wed 8/10

18:05-06:15

1 stop23h 10m

£710

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 3/12

22:20-15:02

1 stop30h 42m

Houston George Bush Intcntl

Mon 9/2

18:25-08:00

1 stop23h 35m

£710

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 2/12

00:40-16:12

2 stops29h 32m

Houston George Bush Intcntl

Mon 9/2

19:35-23:40

2 stops38h 05m

£948

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 9/12

01:30-23:30

2 stops36h 00m

Houston George Bush Intcntl

Wed 31/12

07:08-00:10

2 stops27h 02m

£1,143

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 8/12

01:30-23:30

2 stops36h 00m

Houston George Bush Intcntl

Tue 30/12

07:08-00:10

2 stops27h 02m

£1,144

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 18/12

01:25-23:35

2 stops36h 10m

Houston George Bush Intcntl

Fri 2/1

06:25-20:10

2 stops47h 45m

£1,285

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 8/12

02:30-15:45

2 stops51h 15m

Houston George Bush Intcntl

Tue 30/12

19:10-08:30

1 stop23h 20m

£1,412

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 10/12

22:20-06:28

1 stop22h 08m

£445

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 20 results
1
2

Best time to book a flight from Singapore to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Singapore 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.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Houston George Bush Intcntl Airport

How far ahead should I book a flight from Singapore to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a return flight from Singapore to George Bush Intcntl. Price data was last updated on 8 August 2025.

The best time to book flights from Singapore to Houston George Bush Intcntl Airport is 90 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 Singapore to Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from Singapore to Houston George Bush Intcntl Airport (average of £680). Flying from Singapore to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SIN to IAH?

Find hourly flight availability from Singapore to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 August 2025.

When flying from Singapore to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Singapore to Houston George Bush Intcntl Airport?

Related info for your journey

Find useful and relevant information for your journey from Singapore to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Singapore to Houston George Bush Intcntl?

    Most people fly from Singapore Changi (SIN) if they book a flight from Singapore to Houston George Bush Intcntl. On average, Changi has 0 outbound flights to Houston George Bush Intcntl per day from 0 airlines. Singapore Changi is conveniently located just 10.5 mi from Singapore’s city center.

  • Can I find deals for flights from Singapore to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Singapore to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to George Bush Intcntl.

  • Can I find deals for business class flights from Singapore to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Singapore to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, February is the cheapest month in which you can book a flight from Singapore to Houston George Bush Intcntl Airport (average of £680). Flying from Singapore to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Livingston
The Woodlands

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

Need flexible booking options for your flight to George Bush Intcntl from Singapore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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