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Cheap flights from Singapore to Houston George Bush Intcntl Airport from £514

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
17 May — 24 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 17 April 2026.

Thu 16/407:30
SIN
-
IAH
2 stops41h 17m
Delta
Thu 23/405:24
IAH
-
SIN
2 stops34h 36m
Delta
Deal found 15/4£799
Sun 26/419:00
SIN
-
IAH
2 stops47h 16m
Multiple Airlines
Fri 1/519:50
IAH
-
SIN
1 stop24h 30m
Multiple Airlines
Deal found 15/4£858
Tue 1/920:35
SIN
-
IAH
1 stop23h 00m
United Airlines
Thu 3/914:45
IAH
-
SIN
1 stop26h 30m
United Airlines
Deal found 13/4£888
Wed 9/901:55
SIN
-
IAH
2 stops30h 47m
Japan Airlines
Mon 14/907:00
IAH
-
SIN
2 stops28h 20m
Japan Airlines
Deal found 13/4£906
Thu 10/908:45
SIN
-
IAH
2 stops26h 16m
United Airlines
Mon 14/922:09
IAH
-
SIN
1 stop31h 26m
United Airlines
Deal found 12/4£908
Sun 26/419:00
SIN
-
IAH
2 stops47h 16m
Qatar Airways
Fri 1/519:50
IAH
-
SIN
2 stops49h 25m
Qatar Airways
Deal found 15/4£921

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 17 April 2026.

Round-trip from

£888

One-way from

£514

Popular in

April

Cheapest in

January

Average price

£1,556
United Airlines
  • United Airlines
  • 10/9-14/9
  • 2 total stops
  • 47h 03m total
  • Singapore to Houston
Search Deals
Delta
  • Delta
  • 18/5
  • 2 total stops
  • 38h 54m total
  • Singapore to Houston
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£49 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 17 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
Fastest return journey

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 1/9

08:45-20:33

1 stop24h 48m

Houston George Bush Intcntl

Thu 3/9

07:20-18:35

1 stop22h 15m

£890

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 13/7

03:15-23:59

2 stops33h 44m

Houston George Bush Intcntl

Fri 24/7

18:15-08:50

1 stop25h 35m

£928

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 1/9

21:50-13:15

2 stops28h 25m

Houston George Bush Intcntl

Thu 3/9

07:00-00:20

2 stops28h 20m

£954

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 13/5

20:35-10:51

1 stop27h 16m

Houston George Bush Intcntl

Wed 20/5

20:30-18:35

2 stops33h 05m

£1,042

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Fri 15/5

19:40-06:23

2 stops47h 43m

Houston George Bush Intcntl

Fri 22/5

20:20-00:10

2 stops38h 50m

£1,058

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 13/5

01:40-16:50

1 stop28h 10m

Houston George Bush Intcntl

Thu 21/5

19:35-15:00

1 stop30h 25m

£1,066

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sun 10/5

19:40-05:16

2 stops46h 36m

Houston George Bush Intcntl

Fri 22/5

19:50-18:15

2 stops33h 25m

£1,069

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 21/5

00:50-16:50

1 stop29h 00m

Houston George Bush Intcntl

Thu 11/6

19:35-08:35

1 stop24h 00m

£1,080
Cheapest one-way

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 18/5

22:00-23:54

2 stops38h 54m

£514

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 1/6

22:00-22:17

2 stops37h 17m

£542

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 18 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 £469). Flying from Singapore to Houston George Bush Intcntl Airport in April is currently the most expensive (average of £1,556). 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.

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 31h 31m. 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 £469). Flying from Singapore to Houston George Bush Intcntl Airport in April is currently the most expensive (average of £1,556). 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

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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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