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Cheap flights from Singapore to Houston George Bush Intcntl Airport from £517

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
22 May — 29 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 April 2026.

Sun 24/501:25
SIN
-
IAH
2 stops47h 24m
Delta
Thu 30/712:17
IAH
-
SIN
2 stops65h 58m
Delta
Deal found 18/4£801
Sun 24/522:00
SIN
-
IAH
2 stops38h 55m
Delta
Mon 27/707:35
IAH
-
SIN
2 stops46h 40m
Delta
Deal found 18/4£883
Thu 28/501:25
SIN
-
IAH
2 stops35h 30m
Delta
Tue 28/707:10
IAH
-
SIN
2 stops32h 50m
Delta
Deal found 18/4£889
Mon 28/920:35
SIN
-
IAH
1 stop34h 54m
United Airlines
Wed 30/906:25
IAH
-
SIN
1 stop23h 10m
United Airlines
Deal found 21/4£892
Tue 26/520:35
SIN
-
IAH
1 stop27h 20m
United Airlines
Mon 27/707:20
IAH
-
SIN
1 stop22h 15m
United Airlines
Deal found 18/4£892
Thu 29/1022:20
SIN
-
IAH
1 stop21h 08m
United Airlines
Mon 2/1105:05
IAH
-
SIN
1 stop25h 10m
United Airlines
Deal found 19/4£893
Tue 26/520:35
SIN
-
IAH
1 stop27h 20m
United Airlines
Sun 2/805:22
IAH
-
SIN
1 stop24h 13m
United Airlines
Deal found 18/4£899
Wed 27/508:45
SIN
-
IAH
2 stops28h 14m
United Airlines
Tue 4/815:30
IAH
-
SIN
1 stop25h 45m
United Airlines
Deal found 18/4£912
Sat 19/922:00
SIN
-
IAH
2 stops36h 38m
Delta
Sat 26/917:50
IAH
-
SIN
2 stops46h 10m
Delta
Deal found 19/4£922

Find 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 22 April 2026.

Round-trip from

£801

One-way from

£517

Popular in

April

Cheapest in

January

Average price

£1,018
Delta
  • Delta
  • 24/5-2/8
  • 4 total stops
  • 96h 02m total
  • Singapore to Houston
Search Deals
Delta
  • Delta
  • 20/5
  • 2 total stops
  • 25h 30m total
  • Singapore to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 22 April 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 28/9

08:45-06:02

1 stop34h 17m

Houston George Bush Intcntl

Wed 30/9

07:20-18:35

1 stop22h 15m

£892

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 26/5

20:35-10:55

1 stop27h 20m

Houston George Bush Intcntl

Fri 7/8

07:20-18:35

1 stop22h 15m

£944

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 4/5

20:35-15:22

2 stops31h 47m

Houston George Bush Intcntl

Tue 7/7

22:09-18:35

1 stop31h 26m

£1,044

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 9/5

01:40-16:50

1 stop28h 10m

Houston George Bush Intcntl

Tue 9/6

19:35-14:05

1 stop29h 30m

£1,067

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 25/5

01:40-16:50

1 stop28h 10m

Houston George Bush Intcntl

Sun 31/5

19:35-08:35

1 stop24h 00m

£1,068

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 13/5

21:00-16:50

1 stop32h 50m

Houston George Bush Intcntl

Tue 9/6

19:35-15:00

1 stop30h 25m

£1,069

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 15/5

21:00-16:50

1 stop32h 50m

Houston George Bush Intcntl

Mon 8/6

19:35-15:00

1 stop30h 25m

£1,083

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 21/5

01:40-16:50

1 stop28h 10m

Houston George Bush Intcntl

Thu 11/6

19:35-08:35

1 stop24h 00m

£1,083

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 16/6

00:50-16:50

1 stop29h 00m

Houston George Bush Intcntl

Sat 4/7

19:35-14:05

1 stop29h 30m

£1,085

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 7/5

10:35-16:50

1 stop43h 15m

Houston George Bush Intcntl

Fri 12/6

19:35-08:35

1 stop24h 00m

£1,085

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 19 resultsSorted by cheapest first
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 £471). Flying from Singapore to Houston George Bush Intcntl Airport in April is currently the most expensive (average of £1,018). 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 Delta, United Airlines, and Japan Airlines fly from Singapore to Houston George Bush Intcntl Airport in about 27h 34m. The time it takes to get you to your destination can typically vary by up to 11h 21m. Singapore and Houston George Bush Intcntl Airport are separated by a distance of 9917 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £471). Flying from Singapore to Houston George Bush Intcntl Airport in April is currently the most expensive (average of £1,018). 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.

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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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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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