Find flights
When to book
FAQs

Cheap flights from Singapore to Houston George Bush Intcntl Airport from £434

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
9 Feb — 16 Feb1
1 adult
1 adult, Economy, 0 bags

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 10 January 2026.

Round-trip from

£698

One-way from

£434

Popular in

April

Cheapest in

January

Average price

£757
United Airlines
  • United Airlines
  • 20/3-21/3
  • 2 total stops
  • 67h 35m total
  • Singapore to Houston
Search Deals
United Airlines
  • United Airlines
  • 8/6
  • 1 total stop
  • 29h 20m total
  • Singapore to Houston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£14 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 January 2026
Search Deals

Find flight deals from Singapore to George Bush Intcntl

Enter your travel dates to find the best prices.

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 10 January 2026.

Fri 20/322:20SIN - IAH
1 stop33h 50mUnited Airlines
Sat 21/321:30IAH - SIN
1 stop33h 45mUnited Airlines
Deal found 8/1£698
Sun 29/320:40SIN - IAH
1 stop22h 48mUnited Airlines
Thu 2/405:00IAH - SIN
1 stop24h 35mUnited Airlines
Deal found 9/1£700
Fri 6/322:20SIN - IAH
1 stop28h 53mUnited Airlines
Tue 24/315:16IAH - SIN
1 stop26h 44mUnited Airlines
Deal found 8/1£701
Sun 15/310:10SIN - IAH
1 stop37h 45mUnited Airlines
Thu 26/305:05IAH - SIN
1 stop26h 10mUnited Airlines
Deal found 8/1£702
Sun 11/110:10SIN - IAH
1 stop21h 05mUnited Airlines
Sat 24/121:32IAH - SIN
1 stop32h 43mUnited Airlines
Deal found 9/1£709
Fri 20/322:20SIN - IAH
1 stop25h 35mUnited Airlines
Sat 28/305:05IAH - SIN
1 stop24h 30mUnited Airlines
Deal found 8/1£709
Fri 6/310:40SIN - IAH
2 stops39h 41mDelta
Tue 24/318:53IAH - SIN
2 stops40h 17mDelta
Deal found 8/1£727
Tue 17/310:40SIN - IAH
2 stops23h 56mDelta
Mon 23/315:18IAH - SIN
2 stops43h 52mDelta
Deal found 8/1£728
Mon 30/309:00SIN - IAH
2 stops23h 10mUnited Airlines
Thu 2/407:17IAH - SIN
1 stop22h 18mUnited Airlines
Deal found 9/1£780
Mon 16/322:20SIN - IAH
2 stops25h 18mUnited Airlines
Fri 27/321:30IAH - SIN
1 stop32h 05mUnited Airlines
Deal found 8/1£783
Tue 7/711:05SIN - IAH
2 stops32h 05mUnited Airlines
Thu 30/705:05IAH - SIN
1 stop24h 30mUnited Airlines
Deal found 8/1£791

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 10 January 2026.
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

Sun 29/3

20:40-06:28

1 stop22h 48m

Houston George Bush Intcntl

Thu 2/4

05:00-18:35

1 stop24h 35m

£700

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 30/3

09:00-22:52

1 stop26h 52m

Houston George Bush Intcntl

Thu 2/4

07:17-18:35

1 stop22h 18m

£700

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 6/3

22:20-13:13

1 stop28h 53m

Houston George Bush Intcntl

Tue 24/3

15:16-07:00

1 stop26h 44m

£701

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sun 15/3

22:20-05:46

1 stop20h 26m

Houston George Bush Intcntl

Sun 22/3

14:25-07:00

1 stop27h 35m

£702

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sun 15/3

22:20-13:13

1 stop27h 53m

Houston George Bush Intcntl

Fri 27/3

21:30-18:35

1 stop32h 05m

£702

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 20/3

22:20-05:46

1 stop20h 26m

Houston George Bush Intcntl

Mon 23/3

10:12-07:00

1 stop31h 48m

£702

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 20/3

10:10-22:58

1 stop25h 48m

Houston George Bush Intcntl

Fri 27/3

21:30-18:35

1 stop32h 05m

£702

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 19/3

10:10-19:10

1 stop22h 00m

Houston George Bush Intcntl

Mon 23/3

07:20-20:15

1 stop23h 55m

£702

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 18/3

22:20-06:32

1 stop21h 12m

Houston George Bush Intcntl

Mon 23/3

07:20-20:15

1 stop23h 55m

£702

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 21/3

10:10-05:46

1 stop32h 36m

Houston George Bush Intcntl

Fri 27/3

21:30-18:35

1 stop32h 05m

£702

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 18 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

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

Currently, January is the cheapest month in which you can book a flight from Singapore to Houston George Bush Intcntl Airport (average of £466). Flying from Singapore to Houston George Bush Intcntl Airport in May is currently the most expensive (average of £764). 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.

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 22h 48m. 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, January is the cheapest month in which you can book a flight from Singapore to Houston George Bush Intcntl Airport (average of £466). Flying from Singapore to Houston George Bush Intcntl Airport in May is currently the most expensive (average of £764). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to 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 to George Bush Intcntl from Singapore today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Singapore to George Bush Intcntl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.