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Cheap flights from Singapore to Houston George Bush Intcntl Airport from S$ 627

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 29-9. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from Singapore Changi to Houston George Bush Intcntl are usually found in October or March, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 15 August 2025.

Round-trip from

S$ 962

One-way from

S$ 627

Popular in

January

Cheapest in

October

Average price

S$ 1,383
26-9-4-10
  • 26-9-4-10
  • 4 total stops
  • 68h 20m total
  • Singapore to Houston
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29-9
  • 29-9
  • 2 total stops
  • 35h 06m total
  • Singapore to Houston
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Highest demand for flights based on searches. 5% potential increase in price (S$ 116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 21 potential savings vs. average return price).
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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 15 August 2025.

Fri 26-900:20SIN - IAH
2 stops41h 10mMultiple Airlines
Sat 4-1007:10IAH - SIN
2 stops27h 10mMultiple Airlines
Deal found 13-8S$ 962
Sat 27-909:10SIN - IAH
2 stops26h 04mAir Canada
Sat 4-1018:16IAH - SIN
2 stops47h 49mAir Canada
Deal found 13-8S$ 1,167
Tue 30-909:10SIN - IAH
2 stops47h 32mAir Canada
Tue 4-1114:33IAH - SIN
2 stops50h 27mAir Canada
Deal found 13-8S$ 1,186
Thu 30-1008:50SIN - IAH
1 stop20h 34mAir Canada
Tue 25-1111:50IAH - SIN
2 stops29h 10mAir Canada
Deal found 12-8S$ 1,195
Wed 27-820:40SIN - IAH
1 stop22h 51mUnited Airlines
Sat 30-805:40IAH - SIN
1 stop23h 45mUnited Airlines
Deal found 13-8S$ 1,231
Sun 24-808:45SIN - IAH
1 stop34h 46mUnited Airlines
Sun 7-915:37IAH - SIN
1 stop25h 38mUnited Airlines
Deal found 14-8S$ 1,235
Sat 15-1110:10SIN - IAH
1 stop20h 59mUnited Airlines
Fri 28-1118:50IAH - SIN
1 stop23h 10mUnited Airlines
Deal found 14-8S$ 1,238
Tue 19-820:40SIN - IAH
1 stop22h 51mUnited Airlines
Wed 3-905:40IAH - SIN
1 stop23h 45mUnited Airlines
Deal found 13-8S$ 1,241
Wed 29-1001:30SIN - IAH
2 stops46h 24mDelta
Tue 25-1113:15IAH - SIN
2 stops44h 55mDelta
Deal found 12-8S$ 1,272
Sat 15-1108:50SIN - IAH
1 stop21h 34mAir Canada
Fri 28-1117:25IAH - SIN
1 stop23h 35mAir Canada
Deal found 14-8S$ 1,313
Tue 26-800:30SIN - IAH
1 stop21h 00mZIPAIR
Sat 30-810:30IAH - SIN
1 stop23h 30mZIPAIR
Deal found 13-8S$ 1,319

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 200,618 searches. Data last updated 15 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

Fri 26-9

00:20-04:30

2 stops41h 10m

Houston George Bush Intcntl

Sat 4-10

07:10-23:20

2 stops27h 10m

S$ 962

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 27-9

09:10-22:14

2 stops26h 04m

Houston George Bush Intcntl

Sat 4-10

18:16-07:05

2 stops47h 49m

S$ 1,167

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 30-9

09:10-18:42

1 stop22h 32m

Houston George Bush Intcntl

Tue 4-11

14:33-07:00

2 stops50h 27m

S$ 1,186

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 30-10

08:50-16:24

1 stop20h 34m

Houston George Bush Intcntl

Tue 25-11

11:50-07:00

2 stops29h 10m

S$ 1,195

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Wed 27-8

20:40-06:31

1 stop22h 51m

Houston George Bush Intcntl

Sat 30-8

05:40-18:25

1 stop23h 45m

S$ 1,231

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 27-9

20:40-05:46

1 stop22h 06m

Houston George Bush Intcntl

Sat 4-10

07:20-06:15

1 stop33h 55m

S$ 1,231

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Thu 30-10

22:20-15:02

1 stop29h 42m

Houston George Bush Intcntl

Tue 25-11

18:50-08:00

1 stop23h 10m

S$ 1,231

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 30-9

20:40-14:59

1 stop31h 19m

Houston George Bush Intcntl

Tue 4-11

07:20-20:15

1 stop22h 55m

S$ 1,231

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Sat 15-11

10:10-17:09

1 stop20h 59m

Houston George Bush Intcntl

Fri 28-11

18:50-08:00

1 stop23h 10m

S$ 1,238

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 29-9

00:20-22:26

2 stops35h 06m

S$ 627

Flights are sorted by cheapest return flights first.

Deals found on 13-8

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

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 price you pay for your flight from Singapore to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 15 August 2025.

It’s typically best to fly out from Singapore to Houston George Bush Intcntl Airport in the morning. Doing so could potentially save you 44% on the flight price compared to flying in the evening, which is usually more expensive.

What’s the top stopover airport for flights from Singapore to Houston George Bush Intcntl Airport?

Share of one-stop return flights from Singapore to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

San Francisco (SFO) – chosen by Cheapflights users on 37% of one-stop itineraries from Singapore to Houston George Bush Intcntl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Singapore to Houston George Bush Intcntl Airport?

Average return fare for one-stop flights from Singapore to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Istanbul (IST) is the most affordable one-stop option, with an average return flight price of S$ 1,361.

What’s the fastest stopover option from Singapore to Houston George Bush Intcntl Airport?

Shortest average travel time for one-stop one-way flights from Singapore to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) have the shortest average one-way travel time for one-stop routes: 19h 32m.

Which airport typically offers the quickest stopover for flights from Singapore to Houston George Bush Intcntl Airport?

Average stopover duration for one-stop one-way flights from Singapore to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Manchester (MAN) offer the fastest connection on this route, with an average stopover time of 1h 24m.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated 15 August 2025.
See what other customers who have flown with EVA Air, ANA, andUnited Airlines from Singapore to Houston George Bush Intcntl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,233 reviews
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
ANA
8.4
Very Good
933 reviews
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,915 reviews
EVA Air
8.4
Very Good
1,233 reviews
Check prices

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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?

    For a flight from Singapore to Houston George Bush Intcntl, you will be flying from Changi. Singapore Changi (SIN) is just 16.9 km from the centre of the city. Changi is the only Singapore airport and it handles 0 outbound flights to Houston George Bush Intcntl per day. 3 airlines have flights to Houston George Bush Intcntl from Singapore Changi on a regular basis.

  • What are the cheapest airlines flying from Singapore to Houston George Bush Intcntl Airport round-trip?

    Cheapflights users have booked flights from Singapore to Houston George Bush Intcntl Airport round-trip from S$ 1,052. Other airlines that can offer you cheap pricing are ANA, from S$ 1,247, and EVA Air, from S$ 1,397. United Airlines is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • 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.

See more FAQs

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Fly from Singapore to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from Singapore to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 15 August 2025.
United Airlines flights from Singapore Changi to Houston George Bush Intcntl
ANA flights from Singapore Changi to Houston George Bush Intcntl
EVA Air flights from Singapore Changi to Houston George Bush Intcntl

Top 3 airlines flying from Singapore to George Bush Intcntl

Discover the top 3 airlines that operate flights from Singapore to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 1,052AverageS$ 1,313FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapestS$ 1,247AverageS$ 1,441FlexibilityNo cancel feeOn-time80%
Search ANA flights
EVA AirCheapestS$ 1,397AverageS$ 1,673FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Singapore to George Bush Intcntl?

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to George Bush Intcntl.

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

Certainly. Search results for flights to George Bush Intcntl from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Singapore to George Bush Intcntl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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