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$440+ Cheap flights from George Bush Intcntl (IAH) to Singapore (SIN)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SIN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Singapore Changi are usually found in April or January, booked 6 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from George Bush Intcntl to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Singapore (SIN). 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 September 17, 2025.

Round-trip from

$839
(Mytrip)

One-way from

$440
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,120
From Houston George Bush Intcntl to Singapore Changi
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One-way flight from Houston George Bush Intcntl to Singapore Changi
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Highest demand for flights based on searches. 12% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from George Bush Intcntl to Singapore

Cheapest flights from George Bush Intcntl to Singapore
Explore the most affordable flight options available from George Bush Intcntl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:44 amIAH - SIN
2 stops27h 36mMultiple Airlines
Wed 10/222:35 pmSIN - IAH
2 stops27h 45mMultiple Airlines
Deal found 9/15$839
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:44 amIAH - SIN
2 stops27h 56mMultiple Airlines
Wed 11/52:10 pmSIN - IAH
2 stops30h 10mMultiple Airlines
Deal found 9/16$881
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:00 pmIAH - SIN
1 stop46h 45mTurkish Airlines
Thu 10/2310:15 amSIN - IAH
1 stop45h 50mTurkish Airlines
Deal found 9/15$895
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:00 pmIAH - SIN
1 stop46h 45mTurkish Airlines
Wed 10/2211:10 pmSIN - IAH
1 stop32h 55mTurkish Airlines
Deal found 9/15$926
This Vliegwinkel deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
Tue 10/710:15 amSIN - IAH
1 stop45h 50mTurkish Airlines
Deal found 9/16$930
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:00 amIAH - SIN
2 stops26h 20mAmerican Airlines
Tue 10/78:05 amSIN - IAH
2 stops23h 58mAmerican Airlines
Deal found 9/14$951
This CrystalTravel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:25 pmIAH - SIN
1 stop32h 20mQatar Airways
Sun 9/283:10 amSIN - IAH
1 stop25h 40mQatar Airways
Deal found 9/15$952

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Singapore 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Singapore that are best for you.

Fly from

George Bush Intcntl

Fly to

Singapore

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 2/1

2:55 pm-5:35 pm

1 stop36h 40m

Singapore Changi

Thu 2/19

10:25 am-7:10 pm

1 stop46h 45m

$1,017

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

5:25 am-8:15 pm

1 stop24h 50m

Singapore Changi

Wed 1/28

10:20 pm-6:29 am

1 stop22h 09m

$1,018

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

4:28 pm-8:00 am

1 stop25h 32m

Singapore Changi

Thu 1/29

10:10 am-5:15 pm

1 stop21h 05m

$1,018

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/27

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

Wed 2/18

10:20 pm-10:49 am

1 stop26h 29m

$1,019

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/29

3:22 pm-8:00 am

1 stop26h 38m

Singapore Changi

Mon 2/16

10:20 pm-10:49 am

1 stop26h 29m

$1,019

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 1/28

5:25 am-8:15 pm

1 stop24h 50m

Singapore Changi

Wed 2/18

10:20 pm-6:32 am

1 stop22h 12m

$1,019

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/27

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

Thu 2/19

10:10 am-12:56 am

1 stop28h 46m

$1,019

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 1/26

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

Thu 2/19

10:20 pm-5:46 am

1 stop21h 26m

$1,019

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 11/24

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

Mon 12/8

10:20 pm-5:47 am

1 stop21h 27m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 11/11

4:20 pm-8:00 am

2 stops25h 40m

Singapore Changi

Thu 11/20

10:10 am-5:09 pm

1 stop20h 59m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

Best time to book a flight from George Bush Intcntl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from George Bush Intcntl with our price prediction graph.
Estimated round-trip 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 Houston George Bush Intcntl Airport to Singapore

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Singapore. Price data was last updated on September 12, 2025.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $994). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,665). 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.

What is the cheapest time of day to fly from IAH to SIN?

Find hourly flight availability from George Bush Intcntl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Singapore at noon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated September 17, 2025.
See what other customers who have flown with EVA Air, Singapore Airlines, and Qatar Airways from Houston George Bush Intcntl Airport to Singapore 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
1,237 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,237 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,367 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Qatar Airways
7.4
Good
3,622 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
United Airlines
7.4
Good
8,926 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Air Canada
7.1
Good
10,000 reviews
EVA Air
8.4
Very good
1,237 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Singapore. 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 into for flights to Singapore from Houston George Bush Intcntl?

    Singapore Changi (SIN), located 10.5 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Singapore. 6 airlines have flights to Changi from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Singapore Changi should not be difficult; the airport handles an average of 0 inbound flights from Houston George Bush Intcntl per day.

  • How long is the flight from Houston George Bush Intcntl Airport to Singapore?

    A quick flight from Houston George Bush Intcntl Airport to Singapore can take about 24h 50m. Turkish Airlines provides one of the quickest options available for as low as $1,018. There are 9917 mi between Houston George Bush Intcntl Airport and Singapore. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Air Canada ($852), Turkish Airlines ($868), and Singapore Airlines ($911) offers the cheapest pricing from Houston George Bush Intcntl Airport to Singapore. Air Canada is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • Where are the most common layover locations when flying from Houston George Bush Intcntl Airport to Singapore?

    Of the flights from Houston George Bush Intcntl Airport to Singapore that have layovers, most of them stop in San Francisco.

  • What are some popular things to do or see while on a layover in San Francisco?

    Most San Francisco visitors opt to spend their time experiencing Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be visited by traveling about 13.0 mi, 11.6 mi, and 11.1 mi respectively from San Francisco. Those landing in San Francisco looking to spend some time exploring during their layover can rent a car for about $56 per day.

  • Where are the least popular layover locations for Houston George Bush Intcntl Airport to Singapore flights?

    Of the flights from Houston George Bush Intcntl Airport to Singapore that have layovers, the fewest flights stop in Manchester.

  • Can I find deals for flights from George Bush Intcntl to Singapore that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Singapore.

  • Can I find deals for business class flights from George Bush Intcntl to Singapore?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Singapore 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 Houston George Bush Intcntl Airport to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $994). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,665). 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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Alternative routes for George Bush Intcntl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Singapore flights

Top 6 airlines flying from George Bush Intcntl to Singapore

Discover the top 6 airlines that operate flights from George Bush Intcntl to Singapore. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$852Average$1,173FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$868Average$941FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$911Average$1,116FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$973Average$1,218FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$1,080Average$1,697FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,156Average$1,306FlexibilityNo cancel feeOn-time68%

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