Find flights
When to book
Airlines
FAQs

Cheap flights from Singapore to Houston George Bush Intcntl Airport from S$ 645

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 9-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAH
30 Mar — 6 Apr1
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 Wednesday

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 25 March 2025.

Round-trip from

S$ 1,172

One-way from

S$ 645

Popular in

August

Cheapest in

October

Average price

S$ 1,379
United Airlines
  • United Airlines
  • 22-4-26-4
  • 2 total stops
  • 53h 54m total
  • Singapore to Houston
Search Deals
9-6
  • 9-6
  • 2 total stops
  • 28h 25m total
  • Singapore to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (S$ 209 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 60 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 25 March 2025.

Tue 22-409:00SIN - IAH
1 stop20h 59mUnited Airlines
Sat 26-420:30IAH - SIN
1 stop32h 55mUnited Airlines
Deal found 25-3S$ 1,172
Mon 21-401:00SIN - IAH
2 stops43h 50mMultiple Airlines
Tue 29-410:10IAH - SIN
1 stop25h 35mMultiple Airlines
Deal found 25-3S$ 1,462
Tue 6-500:30SIN - IAH
1 stop20h 45mZIPAIR
Wed 14-510:15IAH - SIN
1 stop23h 45mZIPAIR
Deal found 24-3S$ 1,518
Tue 22-409:10SIN - IAH
2 stops47h 00mAir Canada
Sat 26-416:30IAH - SIN
2 stops29h 45mAir Canada
Deal found 24-3S$ 1,525
Mon 24-300:05SIN - IAH
2 stops33h 12mSWISS
Fri 9-520:10IAH - SIN
2 stops31h 55mSWISS
Deal found 24-3S$ 1,682
Mon 21-401:40SIN - IAH
1 stop28h 10mEmirates
Tue 29-419:55IAH - SIN
1 stop30h 05mEmirates
Deal found 25-3S$ 1,775
Tue 22-415:10SIN - IAH
2 stops38h 58mEVA Air
Fri 25-401:00IAH - SIN
1 stop23h 50mEVA Air
Deal found 25-3S$ 1,803
Mon 21-401:10SIN - IAH
2 stops35h 10mDelta
Tue 29-406:10IAH - SIN
2 stops33h 50mDelta
Deal found 25-3S$ 2,007
Mon 21-401:55SIN - IAH
2 stops30h 21mJapan Airlines
Sat 26-406:00IAH - SIN
2 stops35h 10mJapan Airlines
Deal found 24-3S$ 2,053
Mon 21-403:10SIN - IAH
1 stop25h 40mQatar Airways
Sat 26-418:10IAH - SIN
2 stops28h 15mQatar Airways
Deal found 25-3S$ 2,128
Mon 8-923:55SIN - IAH
2 stops35h 46mLufthansa
Tue 16-918:50IAH - SIN
2 stops32h 35mLufthansa
Deal found 24-3S$ 5,162
Mon 26-522:10SIN - IAH
1 stop23h 35mANA
Mon 30-611:35IAH - SIN
1 stop30h 05mANA
Deal found 25-3S$ 6,633

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 25 March 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

Tue 22-4

09:00-16:59

1 stop20h 59m

Houston George Bush Intcntl

Sat 26-4

20:30-18:25

1 stop32h 55m

S$ 1,172

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 21-4

01:00-07:50

2 stops43h 50m

Houston George Bush Intcntl

Tue 29-4

10:10-00:45

1 stop25h 35m

S$ 1,462

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 6-5

00:30-08:15

1 stop20h 45m

Houston George Bush Intcntl

Wed 14-5

10:15-23:00

1 stop23h 45m

S$ 1,518

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 22-4

09:10-19:10

2 stops47h 00m

Houston George Bush Intcntl

Sat 26-4

16:30-11:15

2 stops29h 45m

S$ 1,525

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 21-4

01:40-16:50

1 stop28h 10m

Houston George Bush Intcntl

Tue 29-4

19:55-15:00

1 stop30h 05m

S$ 1,775

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Tue 22-4

15:10-17:08

2 stops38h 58m

Houston George Bush Intcntl

Fri 25-4

01:00-13:50

1 stop23h 50m

S$ 1,803

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 21-4

01:10-23:20

2 stops35h 10m

Houston George Bush Intcntl

Tue 29-4

06:10-05:00

2 stops33h 50m

S$ 2,007

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 21-4

01:55-19:16

2 stops30h 21m

Houston George Bush Intcntl

Sat 26-4

06:00-06:10

2 stops35h 10m

S$ 2,053

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 21-4

03:10-15:50

1 stop25h 40m

Houston George Bush Intcntl

Sat 26-4

18:10-11:25

2 stops28h 15m

S$ 2,128

SingaporeHouston

SIN - IAH

SINIAH

Singapore Changi

Mon 8-9

23:55-22:41

2 stops35h 46m

Houston George Bush Intcntl

Wed 17-9

16:55-16:25

2 stops34h 30m

S$ 5,162

Flights are sorted by cheapest return flights first.

Deals found on 24-3

Showing 1-10 of 23 results
1
2
3

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 21 March 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 25 March 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 43% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Singapore to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly return from Singapore to George Bush Intcntl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Singapore to Houston George Bush Intcntl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 25 March 2025.
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
EVA Air
8.4
Very Good
1,171 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Japan Airlines
8.3
Very Good
1,440 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
ANA
8.3
Very Good
826 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Singapore Airlines
8.1
Very Good
1,284 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.
Emirates
8.0
Very Good
3,190 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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$ 1,172. Other airlines that can offer you cheap pricing are ZIPAIR, from S$ 1,518, and Air Canada, from S$ 1,525. United Airlines is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Singapore to Houston George Bush Intcntl Airport one-way?

    To fly one-way, consider booking your trip with ZIPAIR, which is currently one of the cheapest options available, starting at S$ 676. United Airlines flights start at S$ 708 while deals on Air Canada start at S$ 823 one-way.

  • 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

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 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 25 March 2025.
United Airlines 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestS$ 1,066AverageS$ 1,682FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
United AirlinesCheapestS$ 1,174AverageS$ 1,382FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EVA AirCheapestS$ 1,458AverageS$ 1,746FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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?

Cheapflights helps you search for flights from Singapore to George Bush Intcntl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

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.