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$449+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SIN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 October, 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 June 12, 2025.

Round-trip from

$1,120
(Cheapflightsfares)

One-way from

$449
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,473
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. 10% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:00 amIAH - SIN
2 stops31h 40mANA
Mon 9/810:10 pmSIN - IAH
1 stop23h 35mANA
Deal found 6/11$1,120
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 amIAH - SIN
2 stops29h 20mJapan Airlines
Mon 9/81:55 amSIN - IAH
2 stops27h 26mJapan Airlines
Deal found 6/11$1,121
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/223:37 pmIAH - SIN
1 stop25h 38mUnited Airlines
Tue 7/298:40 pmSIN - IAH
1 stop22h 50mUnited Airlines
Deal found 6/10$1,125
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 11/195:00 amIAH - SIN
2 stops29h 50mAmerican Airlines
Tue 11/252:20 amSIN - IAH
2 stops28h 46mAmerican Airlines
Deal found 6/10$1,126
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:25 pmIAH - SIN
1 stop25h 30mAir Canada
Sat 11/2910:00 amSIN - IAH
2 stops37h 11mAir Canada
Deal found 6/10$1,139
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Sun 7/279:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
Mon 8/2511:10 pmSIN - IAH
1 stop32h 55mTurkish Airlines
Deal found 6/9$1,143
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/106:14 amIAH - SIN
3 stops35h 51mMultiple Airlines
Thu 7/179:10 amSIN - IAH
3 stops33h 45mMultiple Airlines
Deal found 6/10$1,156
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:10 pmIAH - SIN
1 stop25h 50mQatar Airways
Fri 11/75:25 pmSIN - IAH
2 stops36h 05mQatar Airways
Deal found 6/12$1,165
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:35 amIAH - SIN
1 stop23h 15mEVA Air
Sun 8/313:10 pmSIN - IAH
1 stop20h 40mEVA Air
Deal found 6/12$1,166
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:33 amIAH - SIN
2 stops27h 07mDelta
Mon 7/217:30 amSIN - IAH
2 stops43h 20mDelta
Deal found 6/12$1,177
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/39:00 pmIAH - SIN
2 stops31h 45mIndiGo
Sun 7/67:45 pmSIN - IAH
2 stops36h 20mIndiGo
Deal found 6/10$1,340
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Wed 6/1810:15 amIAH - SIN
1 stop23h 45mZIPAIR
Tue 6/2412:30 amSIN - IAH
1 stop20h 45mZIPAIR
Deal found 6/11$1,350

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 June 12, 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

Wed 8/27

10:00 am-6:40 am

2 stops31h 40m

Singapore Changi

Mon 9/8

10:10 pm-8:45 am

1 stop23h 35m

$1,120

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

6:00 am-12:20 am

2 stops29h 20m

Singapore Changi

Mon 9/8

1:55 am-4:21 pm

2 stops27h 26m

$1,121

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 7/22

5:00 am-6:25 pm

2 stops24h 25m

Singapore Changi

Tue 7/29

8:40 pm-6:30 am

1 stop22h 50m

$1,125

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 7/27

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Mon 8/25

11:10 pm-7:05 pm

1 stop32h 55m

$1,143

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 8/1

7:20 am-6:40 am

2 stops34h 20m

Singapore Changi

Sun 8/10

9:10 am-1:11 pm

2 stops41h 01m

$1,150

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 7/27

5:00 am-12:20 am

2 stops30h 20m

Singapore Changi

Thu 8/21

1:55 am-5:38 pm

2 stops28h 43m

$1,151

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 7/10

6:14 am-7:05 am

3 stops35h 51m

Singapore Changi

Thu 7/17

9:10 am-5:55 am

3 stops33h 45m

$1,156

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/23

1:35 am-1:50 pm

1 stop23h 15m

Singapore Changi

Sun 8/31

3:10 pm-10:50 pm

1 stop20h 40m

$1,166

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

6:10 pm-11:25 am

2 stops28h 15m

Singapore Changi

Sun 9/7

3:10 am-3:50 pm

1 stop25h 40m

$1,168

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/14

7:33 am-11:40 pm

2 stops27h 07m

Singapore Changi

Mon 7/21

7:30 am-1:50 pm

2 stops43h 20m

$1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 22 results
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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 June 9, 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $1,011). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,684). 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 June 12, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Singapore at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with EVA Air, Japan Airlines and ANA from Houston to Singapore to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

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
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

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
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

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
Delta
8.0
Very good
7,950 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

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
ZIPAIR
7.5
Good
48 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

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. 7 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.

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

    According to our current data, ANA ($1,120), Japan Airlines ($1,121), and United Airlines ($1,125) offers the cheapest pricing from Houston George Bush Intcntl Airport to Singapore. ANA is priced at 9% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $489 on ZIPAIR. Other airlines that offer cheap prices include IndiGo from $496 and Air Canada from $518 one-way.

  • 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $1,011). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,684). 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

Browse thousands of different options on Cheapflights for your next trip

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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 7 airlines flying from George Bush Intcntl to Singapore

Discover the top 7 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$851Average$942FlexibilityNo cancel feeOn-time77%
Japan AirlinesCheapest$863Average$1,224FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$885Average$1,232FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$897Average$1,078FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$934Average$1,211FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,115Average$1,568FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,174Average$1,306FlexibilityNo cancel feeOn-time68%

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