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Cheap flights from Singapore to Houston George Bush Intcntl Airport from £440

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 September 2025.

Round-trip from

£705

One-way from

£440

Popular in

January

Cheapest in

March

Average price

£806
United Airlines
  • United Airlines
  • 17/12-20/1
  • 2 total stops
  • 44h 22m total
  • Singapore to Houston
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ZIPAIR
  • ZIPAIR
  • 2/10
  • 1 total stop
  • 20h 45m total
  • Singapore to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 September 2025.

Tue 16/1222:20SIN - IAH
1 stop22h 08mUnited Airlines
Thu 22/105:25IAH - SIN
1 stop24h 50mUnited Airlines
Deal found 15/9£705
Sat 1/1122:20SIN - IAH
1 stop20h 26mUnited Airlines
Sun 2/1107:20IAH - SIN
1 stop22h 55mUnited Airlines
Deal found 16/9£707
Thu 23/1020:40SIN - IAH
1 stop29h 25mUnited Airlines
Mon 17/1105:15IAH - SIN
1 stop25h 00mUnited Airlines
Deal found 17/9£708
Sun 26/1010:10SIN - IAH
1 stop21h 45mUnited Airlines
Tue 4/1117:02IAH - SIN
1 stop24h 58mUnited Airlines
Deal found 16/9£711
Wed 29/1022:20SIN - IAH
1 stop20h 26mUnited Airlines
Mon 3/1111:00IAH - SIN
2 stops31h 00mUnited Airlines
Deal found 16/9£777
Sat 27/901:10SIN - IAH
2 stops35h 11mDelta
Sun 19/1007:05IAH - SIN
2 stops32h 55mDelta
Deal found 15/9£796
Fri 31/1010:10SIN - IAH
1 stop21h 45mUnited Airlines
Fri 31/1021:52IAH - SIN
1 stop33h 23mUnited Airlines
Deal found 16/9£807
Mon 15/1210:10SIN - IAH
2 stops27h 49mUnited Airlines
Sun 11/105:25IAH - SIN
1 stop24h 50mUnited Airlines
Deal found 16/9£843
Sat 1/1110:10SIN - IAH
1 stop21h 45mUnited Airlines
Sat 1/1121:52IAH - SIN
1 stop33h 23mUnited Airlines
Deal found 16/9£853
Mon 15/1201:35SIN - IAH
2 stops34h 04mDelta
Thu 22/118:25IAH - SIN
2 stops39h 45mDelta
Deal found 15/9£888
Mon 15/1203:15SIN - IAH
1 stop26h 00mQatar Airways
Wed 21/117:45IAH - SIN
1 stop31h 10mQatar Airways
Deal found 15/9£953
Mon 15/1203:15SIN - IAH
1 stop26h 00mQatar Airways
Tue 20/117:45IAH - SIN
2 stops29h 10mQatar Airways
Deal found 15/9£1,005

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 September 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

Wed 17/12

22:20-05:47

1 stop21h 27m

Houston George Bush Intcntl

Tue 20/1

07:20-20:15

1 stop22h 55m

£705

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 18/12

10:10-20:48

1 stop24h 38m

Houston George Bush Intcntl

Wed 21/1

07:20-20:15

1 stop22h 55m

£705

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 1/11

22:20-14:05

1 stop28h 45m

Houston George Bush Intcntl

Sat 8/11

17:02-08:00

1 stop24h 58m

£707

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 31/10

22:20-05:46

1 stop20h 26m

Houston George Bush Intcntl

Wed 5/11

17:02-08:00

1 stop24h 58m

£711

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 15/12

10:10-20:31

1 stop24h 21m

Houston George Bush Intcntl

Sun 18/1

16:28-08:00

1 stop25h 32m

£711

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 28/10

22:20-05:46

1 stop20h 26m

Houston George Bush Intcntl

Sun 2/11

07:20-20:15

1 stop22h 55m

£711

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 31/10

10:10-18:55

1 stop21h 45m

Houston George Bush Intcntl

Tue 4/11

15:23-08:00

1 stop26h 37m

£711

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 15/12

22:20-06:28

1 stop22h 08m

Houston George Bush Intcntl

Sun 11/1

15:22-08:00

1 stop26h 38m

£711

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 31/10

10:10-18:55

1 stop21h 45m

Houston George Bush Intcntl

Mon 3/11

18:50-08:00

1 stop23h 10m

£711

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 11/10

08:45-18:56

1 stop23h 11m

Houston George Bush Intcntl

Sun 19/10

10:16-06:15

1 stop30h 59m

£711

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 22 results
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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 12 September 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 September 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.

  • How long is the flight from Singapore to Houston George Bush Intcntl Airport?

    Airlines like United Airlines fly from Singapore to Houston George Bush Intcntl Airport in about 28h 45m. The time it takes to get you to your destination can typically vary by up to . Singapore and Houston George Bush Intcntl Airport are separated by a distance of 9917 mi.

  • 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
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.

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

Of course! You can now track prices for flights from Singapore to George Bush Intcntl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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